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8050
SERVICE HANDBOOK
FIELD SERVICE
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Konica 8050 Field Service Ver.1.0 Jul. 2003 CONTENTS
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CONTENTS
SAFETY AND IMPORTANT WARNING ITEMS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-1
IMPORTANT NOTICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-1
DESCRIPTION ITEMS FOR DANGER, WARNING AND CAUTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-1
SAFETY WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-2
SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-10
IMPORTANT INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-10
SAFETY CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-11
INDICATION OF WARNING ON THE MACHINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-13
I ADJUSTMENT
1. HOW TO USE THE ADJUSTMENT SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.1 Composition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
2. ADJUSTMENTS WHEN REPLACING PARTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
3. LIST OF ADJUSTMENT ITEMS FOR 8050 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
4. MODE CHANGE MENU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
4.1 Setting method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
5. CHECKING BY THE P FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
5.1 Checking method of theP function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
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7. 36 MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-48
7.1 Setting method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-48
7.2 Process adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-48
7.2.1 High voltage adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-49
7.2.2 Drum peculiarity adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-49
7.2.3 Sensor output check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-55
7.2.4 Exclusive paper setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-55
7.2.5 Recall standard data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-56
7.3 Image adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-57
7.3.1 Magnification adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-57
7.3.2 Timing adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-63
7.3.3 RADF adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-71
7.3.4 Centring adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-73
7.3.5 Non-image area erase check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-75
7.3.6 Recall standard data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-76
7.4 Image quality adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-77
7.4.1 Scanner gamma adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-77
7.4.2 Printer gamma adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-78
7.4.3 Sharpness adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-83
7.4.4 Contrast adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-84
7.4.5 Image judge adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-84
7.4.6 ACS adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-86
7.4.7 Density adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-87
7 4 8 T dj t t 1 89
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9.3 Pick-up movement amount adjustment (by-pass) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-132
9.4 Paper feed tray /1 to /3 mis-centering adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-133
9.5 Paper feed tray/1 to /3 sheet feed pressure adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-134
9.6 FNS adjustment of the by-pass conveyance guide plate magnet . . . . . . . . . . . . . . . . . . . . . . . 1-136
9.7 FNS adjustment of the by-pass gate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-137
9.8 FNS adjustment of the shift position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-139
9.9 FNS adjustment of the paper exit opening solenoid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-140
9.10 FNS adjustment of the position of paper exit arm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-142
9.11 FNS adjustment of the position of alignment plate/U . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-144
9.12 FNS adjustment of the position of alignment plate/L (only for FS-215) . . . . . . . . . . . . . . . . . . . 1-146
9.13 FNS adjustment of the stapling position (flat stapling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-148
9.14 FNS adjustment of the stapling position in a vertical direction . . . . . . . . . . . . . . . . . . . . . . . . . 1-150
9.15 FNS adjustment of the stapling position (flat stapling) (only for FS-215) . . . . . . . . . . . . . . . . . 1-154
9.16 FNS adjustment of the angle of the folding stopper (only for FS-215) . . . . . . . . . . . . . . . . . . . 1-156
9.17 FNS adjustment of the folding force (only for FS-215) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-158
9.18 FNS adjustment of the three-holding position (only for FS-215) . . . . . . . . . . . . . . . . . . . . . . . . 1-159
9.19 FNS adjustment of the stapler drive belt position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-160
9.20 TU adjustment of the sheet cutting parallelism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-164
9.21 LCT tray mis-centering adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-165
9.22 LCT skew adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-167
9.23 LCT paper feed roller pressure adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-169
9.24 LCT up/down plate horizontal adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-170
9.25 LCT sheet feed pressure adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-171
9 26 LCT f d h i ht ( li it) dj t t 1 172
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CONTENTS Konica 8050 Field Service Ver.1.0 Jul. 2003
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2.6.1 Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24
2.6.2 How to use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24
2.7 Precautions for use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27
2.7.1 Prior announcement to administrator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27
2.7.2 If power failure occurs during data rewriting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27
2.7.3 ISW of multiple programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27
2.7.4 If ISW fails in low power mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27
2.8 Proxy server authentication in Internet ISW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28
2.8.1 What is a proxy server? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28
2.8.2 Authentication of proxy server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28
2.8.3 Type and command list for authentication on proxy server . . . . . . . . . . . . . . . . . . . . . . . . 2-28
2.8.4 Remarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-29
3. MAIL REMOTE NOTIFICATION SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-30
3.1 What is the Mail remote notification system?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-30
3.2 Operation environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-30
3.3 Initial setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-30
3.4 How to use the Mail remote notification system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-37
3.5 Disabling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-45
III SERVICE
1. SERVICE SCHEDULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
1.1 Service schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
1 2 M i t it 3 3
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VI DIAGRAMS
1. PARTS LAYOUT DRAWING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11.1 8050 parts layout drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
1.2 DF-319 parts layout drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-22
1.3 LT-211 parts layout drawing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-23
1.4 FS-115/FS-215 parts layout drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-24
1.5 TU-109 parts layout drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-27
2. CONNECTOR LAYOUT DRAWING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-29
2.1 8050 connector layout drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-292.2 DF-319 connector layout drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-38
2.3 LT-211 connector layout drawing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-39
2.4 FS-115/FS-215 connector layout drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-40
2.5 TU-109 connector layout drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-41
3. TIMING CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-42
3.1 8050 timing chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-42
3.2 DF-319 timing chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-433.3 LT-211 timing chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-50
3.4 FS-115/215 timing chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-51
3.5 TU-109 timing chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-55
4. OVERALL WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-57
4.1 DF-319 Overall Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-57
4.2 LT-211 Overall Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-59
4 3 FS 115/215 O ll Wi i Di 6 61
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CONTENTS Konica 8050 Field Service Ver.1.0 Jul. 2003
IADJUSTMEN
T
IISERVICE
TOOL
IIISERVICE
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SAFETY AND IMPORTANT WARNING ITEMS
Read carefully the Safety and Important Warning Items described below to understand them before doing ser-
vice work.
Because of possible hazards to an inexperienced person servicing this copier as well as the risk of damage to
the copier, Konica Corporation strongly recommends that all servicing be performed only by Konica-trained ser-
vice technicians.
Changes may have been made to this copier to improve its performance after this Service Handbook was
printed. Accordingly, Konica Corporation does not warrant, either explicitly or implicitly, that the information con-
tained in this Service Handbook is complete and accurate.
The user of this Service Handbook must assume all risks of personal injury and/or damage to the copier while
servicing the copier for which this Service Handbook is intended.
Therefore, this Service Handbook must be carefully read before doing service work both in the course of techni-
cal training and even after that, for performing maintenance and control of the copier properly.
Keep this Service Handbook also for future service.
In this Service Handbook, each of three expressions DANGER, WARNING, and CAUTION is
SAFETY AND IMPORTANT WARNING ITEMS
IMPORTANT NOTICE
DESCRIPTION ITEMS FOR DANGER, WARNING ANDCAUTION
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SAFETY AND IMPORTANT WARNING ITEMS
1. MODIFICATIONS NOT AUTHORIZED BY KONICA
Konica copiers are renowned for their high reliability. This reliability is achieved through high-quality design and a solid
service network.
Copier design is a highly complicated and delicate process where numerous mechanical, physical, and electrical aspects
have to be taken into consideration, with the aim of arriving at proper tolerances and safety factors. For this reason, unau-
thorized modifications involve a high risk of degradation in performance and safety. Such modifications are therefore
strictly prohibited. the points listed below are not exhaustive, but they illustrate the reasoning behind this policy.
SAFETY WARNINGS
DANGER : PROHIBITED ACTIONS
Using any cables or power cord not specified by Konica.
Using any fuse or thermostat not specified by Konica. Safety will not be
assured, leading to a risk of fire and injury.
Disabling fuse functions or bridging fuse terminals with wire, metal clips, sol-
der or similar object.
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SAFETY AND IMPORTANT WARNING ITEMS
2. CHECKPOINTS WHEN PERFORMING ON-SITE SERVICE
Konica copiers are extensively tested before shipping, to ensure that all applicable safety standards are met, in order to pro-
tect the customer and customer engineer (hereafter called the CE) from the risk of injury. However, in daily use, any electri-
cal equipment may be subject to parts wear and eventual failure. In order to maintain safety and reliability, the CE must
perform regular safety checks.
2.1 Power Supply
WARNING: Wall Outlet
Check that mains voltage is as specified. Plug the power cord into the dedi-
cated wall outlet with a capacity greater than the maximum power consump-
tion.
If excessive current flows in the wall outlet, fire may result.
If two or more power cords can be plugged into the wall outlet, the total load
must not exceed the rating of the wall outlet.
If excessive current flows in the wall outlet, fire may result.
WARNING: Power Plug and Cord
M k th d i l d i th ll tl t l
kw
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SAFETY AND IMPORTANT WARNING ITEMS
Do not bundle or tie the power cord.
Overheating may occur there, leading to a risk of fire.
Check whether dust is collected around the power plug and wall outlet.
Using the power plug and wall outlet without removing dust may result infire.
Do not insert the power plug into the wall outlet with a wet hand.
The risk of electric shock exists.
When unplugging the power cord, grasp the plug, not the cable.
The cable may be broken, leading to a risk of fire and electric shock.
WARNING: Wiring
Never use multi-plug adapters to plug multiple power cords in the same out-
WARNING: Power Plug and Cord
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SAFETY AND IMPORTANT WARNING ITEMS
2.2. Installation Requirements
Pay attention to the point to which the ground lead is connected.Connecting the ground lead to an improper point such as the points listed
below results in a risk of explosion and electric shock:
a. Gas pipe (A risk of explosion or fire exists.)
b. Lightning rod (A risk of electric shock or fire exists.)
c. Telephone line ground (A risk of electric shock or fire exists in the case
of lightning.)
d. Water pipe or faucet (It may include a plastic portion.)
WARNING: Prohibited Installation Place
Do not place the copier near flammable materials such as curtains or volatile
materials that may catch fire.
A risk of fire exists.
Do not place the copier in a place exposed to water such as rain water.
A risk of fire and electric shock exists.
WARNING: Nonoperational Handling
( )
WARNING: Ground Lead
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SAFETY AND IMPORTANT WARNING ITEMS
The copier generates ozone gas during operation, but it is not sufficient to beharmful to the human body.
If a bad smell of ozone is present in the following cases, ventilate the
room.
a. When the copier is used in a poorly ventilated room
b. When taking a lot of copies
c. When using multiple copiers at the same time
CAUTION: Vibration
When installing the copier, read the Installation Guide thoroughly. Be sure to
install the copier in a level and sturdy place.
Constant vibration will cause problems.
Be sure to lock the caster stoppers.
In the case of an earthquake and so on, the copier may slide, leading to a
injury.
CAUTION: Inspection before Servicing
Before conducting an inspection, read all relevant documentation (service
handbook, technical notices, etc.) and proceed with the inspection following
CAUTION: Ventilation
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SAFETY AND IMPORTANT WARNING ITEMS
Take every care when servicing with the external cover detached.
High-voltage exists around the drum unit. A risk of electric shock exists.
WARNING: Safety Checkpoints
Check the exterior and frame for edges, burrs, and other damages.
The user or CE may be injured.
Do not allow any metal parts such as clips, staples, and screws to fall into the
copier.
They can short internal circuits and cause electric shock or fire.
Check wiring for squeezing and any other damage.
Current can leak, leading to a risk of electric shock or fire.
When disconnecting connectors, grasp the connector, not the cable.
(Specifically, connectors of the AC line and high-voltage parts)
Current can leak, leading to a risk of electric shock or fire.
Carefully remove all toner remnants and dust from electrical parts and elec-
DANGER: Work Performed with the Copier Powered
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SAFETY AND IMPORTANT WARNING ITEMS
WARNING: Safety Checkpoints
After replacing a part to which AC voltage is applied (e.g., optical lamp and
fixing lamp), be sure to check the installation state.
A risk of fire exists.
Check the interlock switch and actuator for loosening and check whether the
interlock functions properly.
If the interlock does not function, you may receive an electric shock or beinjured when you insert your hand in the copier (e.g., for clearing paper
jam).
Make sure the wiring cannot come into contact with sharp edges, burrs, or
other pointed parts.
Current can leak, leading to a risk of electric shock or fire.
Make sure that all screws, components, wiring, connectors, etc. that were
removed for safety check and maintenance have been reinstalled in the orig-
inal location. (Pay special attention to forgotten connectors, pinched cables,
forgotten screws, etc.)
A risk of copier trouble, electric shock, and fire exists.
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SAFETY AND IMPORTANT WARNING ITEMS
3. MEASURES TO TAKE IN CASE OF AN ACCIDENT
DANGER : HANDLING OF SERVICE MATERIALS
Unplug the power cord from the wall outlet.
Drum cleaner (isopropyl alcohol) and roller cleaner (acetone-based) are
highly flammable and must be handled with care. A risk of fire exists.
Do not replace the cover or turn the copier ON before any solvent remnants
on the cleaned parts have fully evaporated.
A risk of fire exists.
Use only a small amount of cleaner at a time and take care not to spill any
liquid. If this happens, immediately wipe it off.
A risk of fire exists.
When using any solvent, ventilate the room well.
Breathing large quantities of organic solvents can lead to discomfort.
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SAFETY AND IMPORTANT WARNING ITEMS
The Center for Devices and Radiological Health (CDRH) of the U.S. Food and Drug Administration implemented
regulations for laser products manufactured since August 1, 1976. Compliance is mandatory for products mar-
keted in the United States.
This copier is certified as a Class 1 laser product under the U.S.
Department of Health and Human Services (DHHS) Radiation Performance Standard according to the Radiation
Control for Health and Safety Act of 1968. Since radiation emitted inside this copier is completely confined within
protective housings and external covers, the laser beam cannot escape during any phase of normal user opera-
tion.
SAFETY INFORMATION
IMPORTANT INFORMATION
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SAFETY AND IMPORTANT WARNING ITEMS
This machine is provided with the following safety circuits to prevent machine faults from resulting in serious accidents.
Overall protection circuit
Fixing upper lamp /1 (L2), Fixing upper lamp /2 (L3), Fixing lower lamp (L4) overheating prevention circuit
These safety circuits are described below to provide the service engineer with a renewed awareness of them in order to pre-
vent servicing errors that may impair their functions.
1. Overall protection circuit
1.1 Protection by circuit breaker /1 (CBR1) and circuit breaker /2 (CBR2)
CBR1 and CBR2 interrupt the AC line instantaneously when an excessive current flows due to a short in the AC
line.
CAUTION:
The CBR1 and CBR2 functions must not be deactivated under any circumstances.
SAFETY CIRCUITS
NF
CBR1
CBR2
8050sf001
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SAFETY AND IMPORTANT WARNING ITEMS
2. Fixing upper lamp /1 (L2), Fixing upper lamp /2 (L3), Fixing lower lamp (L4) overheating
prevention circuit
2.1 Protection by software
The output voltage from fixing temperature sensor /1 (TH1) and fixing temperature sensor /2 (TH2) is read by the
CPU. If this voltage is abnormal, L2, L3, and L4 are turned OFF by opening main relay (RL1).
CAUTION:
The clearance between the fixing upper roller and TH1 and the clearance between the fixing
lower roller and TH2 must not be changed. When replacing them, make sure to comply with
the specified clearances.
The RL1 function must not be deactivated under any circumstances.
2.2 Protection by the hardware circuit
Control
section
AC driver
section
TS1
PRCB ACDB
TS2
L2
L3
L4
RL1RL1
TH1
TH3
TH2
TH4
FHCB
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SAFETY AND IMPORTANT WARNING ITEMS
Caution labels shown below are attached in some areas on/in the machine.
When accessing these areas for maintenance, repair, or adjustment, special care should be taken to avoid burns and electric
shock.
INDICATION OF WARNING ON THE MACHINE
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SAFETY AND IMPORTANT WARNING ITEMS
CAUTION
8050sf007e
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SAFETY AND IMPORTANT WARNING ITEMS
CAUTION
8050sf008e
Unplug the machine before removing platen glass.
Debrancher le copieur avant de retirer la vitre d'exposition.
Desenchufe la maquina antes de quitar el vidrio.
Desconecte a unidade da tomada antes de remover o vidro de exposicao.
PS
~
You may be burned or injured if you touch any area that you are advised by any caution label to keep your-
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Konica 8050 Field Service Ver.1.0 Jul. 2003 HOW TO USE THE ADJUSTMENT SECTION
IADJUSTME
NT
I ADJUSTMENT
1. HOW TO USE THEADJUSTMENT SECTION
1.1 Composition
This part "Adjustment" describes items to be
adjusted and their method of adjustment that arerequired by this machine and gives detailed expla-
nations.
A. Checking before starting work
When conducting claims in the field, it is necessary
to check in advance the following:
1. Are the power source and voltage secured in
accordance with the specifications?
2. Is the power source properly grounded?
3. Is any equipment that consumes repeatedly a
lot of electricity connected to the same power
source? (e.g.: Electric noise sources such as
off. So, be sure to unplug the power cord from
the power outlet. Also, when operating the
machine with the power supplied, be careful ofthe scan of the exposure unit and be sure not to
get caught by the gear.
2. The fixing section may be very hot. Be careful
not to get burnt when handling it.
3. The developing unit is strongly magnetized. Be
careful not to bring a watch and instrument near
to the unit.4. Be careful not to damage the drum with a tool.
5. Be careful not to touch IC directly with bare
hands.
2. ADJUSTMENTS WHEN
REPLACING PARTS
Adjustments and setting are required when there
occurs a claim for poor image qulaity. However,
these adjustments (including checking) and setting
are also required when a part is replaced with a new
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LIST OF ADJUSTMENT ITEMS FOR 8050 Konica 8050 Field Service Ver.1.0 Jul. 2003
IADJUSTME
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3. LIST OF ADJUSTMENT ITEMS FOR 8050
This table shows the list of adjustment items when replacing a part. Items are numbered in " " by the pri-ority if there is any.
Adjustment items
Replacement parts
Mode
Drumcartridge(drum)/Y,
M,
C,
K
PM count PM counter resetting 25
PM cycle set
Parts counter Count of special parts 1st transfer roller /Y, M, C, K
Fixing cleaning unit
Developer /Y, M, C, K
Decurler rollerISW
Board change mode
Process adjustment Drum peculiarity adjustment Blade setting mode 36
LD bias adjustment
Automatic gamma adjustment (0) 4
Automatic developer charge
L detection initial auto. adjustment
Initial drum rotation 1
Image adjustment Magnification adjustment Printer vertical mag. adjustment
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Developer*1
Transferbe
lt
Beltcleanin
gblade
1sttransfer
roller/Y,
M,
C,
K
Imagecorrectionunit
Chargingcorona/Y,
M,
C,
K
Fixingroller/U,
L
Fixingcleaningunit
Decurlerro
ller
Writeunit/K
Writeunit/Y,
M,
C
Dust-proof
glass/Y,
M,
C,
K
CCDunit
Eachscann
ermirror
Exposurelamp(L1)
Originalgla
ss
Overallcon
trolboard(OACB)
Printercontrolboard(PRCB)
Imageproc
essingboard(IPB)
Operationb
oard/1(OB1)
Memorybo
ard(MB)*2
Registrationroller
RADFcontrolboard(DFCB)
FNScontro
lboard(FNSCB)
Staplerunit
1
1 1 1
2 2 2 1
1
1 2
3 6 2 3 7 7 4 3 1 1
1
2
1
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MODE CHANGE MENU Konica 8050 Field Service Ver.1.0 Jul. 2003
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4. MODE CHANGE MENU
4.1 Setting method
From this screen, the following modes can be
selected without turning off/on the power.
"1 Basic screen"
"2 36 mode"
"3 25 mode"
"4 Key operator mode""5 47 mode"
A. Procedure
5. CHECKING BYTHE P FUNCTION
The P function is a function that allows you to con-
firm the following various numeric values by using
the P button.
[1] Total counter
[2] Full color counter
[3] Mono color counter[4] Monochrome counter
[5] Copier counter
[6] Printer counter
5.1 Checking method of theP function
A. Procedure
1. Turn ON the reset switch (SW1) and the main
switch (SW2).
2. Press the P button and wait until "Enter 4-digit
password to change mode" appears.
3. Input 9272 as the password and press the
START button. (The password is fixed and
cannot be changed.) "Mode changing menu
screen" is displayed.
1. Turn ON the reset switch (SW1) and the main
switch (SW2).
2. Press the P button.
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Konica 8050 Field Service Ver.1.0 Jul. 2003 25 MODE
IADJUSTME
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6. 25 MODE
6.1 List of adjustment items for25 mode
Adjustment item menu Remarks
1. Software SW setting See the "List of software DIPSW".
2. Paper size setting LCT paper size setting
3. PM count 1. Count reset
2. Change setting
4. Data collection 1. Total count of each paper setting
2. Copy count of each paper size
3. Print count of each paper size
4. RADF count
5. Page fill of each section
6. JAM data of time series
7. JAM count
8. Count of each copy mode
9. SC count
10. JAM count of each section
11. SC count of each section
5. Parts counter 1. Count of special parts
2. Count of each parts
6. Password setting 1. Key operator password 4 digits
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6.2 Setting method
This machine is provided with the 25 mode as anadjustment method. This mode is used when the
memory board (MB) is rewritten or various settings
are made.
A. Procedure
6.3 Setting software DIPSW
A. Setting methodThe software DIPSW is set on "Software SW setting
screen."
Note:
Please note that DIPSW bits are written into
the memory board (MB) each time a change is
made.
B. Meaning of the values displayed on the
screen
1. Turn OFF the main switch (SW2) with the reset
switch (SW1) left ON.
2. While pressing the numeric keys 2 and 5 at the
same time, turn on the SW2. the "25 mode
menu screen" appears.
At this point, the machine enters the 25 mode
with normal copy operations unavailable.
3. Press the item keys on the liquid crystal dis-
play (LCD). A setting screen corresponding to
each item appears.
4. Confirm the input data on the setting screen of
each item.[1] DIPSW number
8050fs1026e[2][1] [3] [4]
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Konica 8050 Field Service Ver.1.0 Jul. 2003 25 MODE
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List of software DIPSW
Note: Be sure not to change bits with no particular
reference made of the function.
DIPSW No. Bit Functions 0 1 Default values
Japan Inch Metric
DIPSW1 0 1 1 1
1 0 0 0
2 Print stop method after toner
supply or waste toner full dis-
play
*1 *1 1 1 1
3 *1 *1 0 0 0
4 Prohibition of printing when
the PM count is reached
Not prohibited Prohibited 0 0 0
5 Print number setting until
printing is prohibited after PM
is displayed
*2 *2 0 0 0
6 *2 *2 0 0 0
7 *2 *2 0 0 0
DIPSW2 0 Hard disk connection Disconnected Connected 0 0 0
1 0 0 0
2 0 0 0
3 0 0 0
4 Control of the LT paper feed
assist fan
*3 *3 0 0 0
5 *3 *3 0 0 0
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DIPSW4 0 0 0 01 0 0 0
2 0 1 0
3 0 0 1
4 Recovery from removal of the
key counter
Disabled Enabled 0 1 0
5 APS when change magnifica-
tion
Enabled Disabled 0 1 0
6 Change of fixed magnifica-
tions setting in key operator
mode
Enabled Disabled 1 0 0
7 Large size paper counting
method (Other than PM
counter)
Count as 1 Count as 2 0 0 0
DIPSW5 0 0 0 01 0 0 0
2 0 0 0
3 0 0 0
4 0 0 0
5 Change of the size of the
large size paper
B4, 8.5 x 14 or
larger
A3, 11 x 17 or
larger
0 0 0
DIPSW No. Bit Functions 0 1 Default values
Japan Inch Metric
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DIPSW8 0 0 0 01 0 0 0
2 0 0 0
3 0 0 0
4 0 0 0
5 0 0 0
6 Large size paper PM counting
method
Count as 1 Count as 2 0 0 0
7 0 0 0
DIPSW9 0 Operation when the key
counter is removed (copier)
Same as
the stop button
Immediate stop
jam
0 0 0
1 Operation when the key
counter is removed (IP)
Ignored Same as
DIPSW9-0
0 0 0
2 Message switchover *5 *5 0 0 0
3 *5 *5 0 0 04 Copy quantity limit selection *6 *6 0 0 0
5 *6 *6 0 0 0
6 *6 *6 0 0 0
7 *6 *6 0 0 0
DIPSW10 0 Page memory reservation at
power on
No reservation 94MB (177MB
when MU-412
0 0 0
DIPSW No. Bit Functions 0 1 Default values
Japan Inch Metric
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DIPSW12 0 0 0 01 Adjustment of the image qual-
ity in the key operator mode
Disabled Enabled 0 0 0
2 0 0 0
3 0 0 0
4 0 0 0
5 0 0 0
6 Black text screen with overlayfunction
*7 Screen *7 Nonscreen 0 0 0
7 0 0 0
DIPSW13 0 Size detection switchover 1 A5, A4R 5.5 x 8.5, 8.5x11R 0 1 0
1 Size detection switchover 2 A6R Post card 1 0 0
2 Size detection switchover 3 8.5 x 14 F4 0 0 1
3 Size detection switchover 4 *8 *8 0 0 0
4 *8 *8 0 1 05 F4 size setting *9 *9 0 0 0
6 *9 *9 0 0 0
7 0 0 0
DIPSW14 0 Size detection switchover 5
(main body)
B4, 11 x 17 / B5,
8.5 x 11 / B5R
8K / 16K / 16KR 0 0 0
1 0 0 0
DIPSW No. Bit Functions 0 1 Default values
Japan Inch Metric
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DIPSW16 0 0 0 01 Recognizing the copy reser-
vation function/coin vendor
Copy reservation
function enabled
Coin vendor disabled
Copy reservation
function prohibited
Coin vendor enabled
0 0 0
2 Coin vendor type Parallel
communication
Serial
communication
0 0 0
3 Counting of the key counter in
the printer mode (IP)
Not counted Counted 0 0 0
4 Display of the total count start
date (P function)
Displayed Not displayed 0 0 0
5 0 0 0
6 0 0 0
7 NIC selection for E-Mail
KRDS
IP NIC Copier NIC 0 0 0
DIPSW17 0 Summer time setting *11 *11 0 0 01 *11 *11 1 1 1
2 *11 *11 1 1 1
3 *11 *11 0 0 0
4 Density selection at scanning
the tabed paper
*12 *12 0 0 0
5 *12 *12 0 0 0
6 *12 *12 0 0 0
DIPSW No. Bit Functions 0 1 Default values
Japan Inch Metric
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DIPSW20 0 Group stapling mode Disabled Enabled 0 0 01 Image scanning area with
shift function
*15 Normal * 15 Original priority 0 0 0
2 Selection of the stamped
page number
Based on
original
Based on
transfer paper
0 0 0
3 Keyboard layout ABC layout QWERTY layout 0 0 0
4 0 0 0
5 0 0 06 0 0 0
7 0 0 0
DIPSW21 0 0 0 0
1 LCT size setting in the key
operator mode
Disabled Enabled 1 1 1
2 Display of the original count Displayed Not displayed 0 0 0
3 0 0 04 0 0 0
5 0 0 0
6 Selection of the index paper
with APS
Disabled Enabled 0 0 0
7 0 0 0
DIPSW22 0 IP address setting Disabled Enabled 1 1 1
DIPSW No. Bit Functions 0 1 Default values
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DIPSW23 0 0 0 01 Output when EKC (ECM)
user ID is unmatched (IP)
Enabled (counted
as the other user)
Disabled (regis-
tered in JOB list)
0 0 0
2 Precision of the color registration
automatic correction (periodical correction)
*17 Normal *17 Fine 0 0 0
3 Control of the color registration automatic
correction (periodical correction)
*18 Enabled *18 Disabled 0 0 0
4 Main scan correction of the colorregistration automatic correction
(periodic correction)
*19 Enabled *19 Disabled 0 0 0
5 IP gamma correction *20 Enabled *20 Disabled 0 0 0
6 Job memory registration of the spe-
cial paper setting on the by-pass tray
Disabled Enabled 0 0 0
7 0 0 0
DIPSW24 0 0 0 01 Vs/Vp switch control *21 Disabled *21 Enabled 0 0 0
2 Image stabilization control
timing
*22 *22 0 0 0
3 *22 *22 1 1 1
4 0 0 0
5 0 0 0
6 0 0 0
DIPSW No. Bit Functions 0 1 Default values
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DIPSW27 0 0 0 01 0 0 0
2 0 0 0
3 0 0 0
4 0 0 0
5 0 0 0
6 0 0 0
7 0 0 0DIPSW28 0 0 0 0
1 0 0 0
2 Toner refresh mode (at job end) *24 Disabled *24 Enabled 0 0 0
3 Toner refresh mode (periodical) *24 Disabled *24 Enabled 0 0 0
4 Printer gamma offset adjust-
ment
*25 Only high
light
*25 Whole area 0 0 0
5 PK punch mode restriction Enabled Disabled 0 0 06 0 0 0
7 Toner refresh mode switchover *26 Y,M,C,K *26 M,C 1 1 1
DIPSW29 0 0 0 0
1 0 0 0
2 0 0 0
3 Include of proof copy to the Not included Included 0 0 0
DIPSW No. Bit Functions 0 1 Default values
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*1 Print stop method after toner supply or waste
toner full display
*2 Print number setting until printing is prohibited
after PM is displayed
*5 Message switchover
*6 Copy quantity limit selection
Mode 1-3 1-2Stops after ejecting
paper in the machine
0 0
Stops at a break
between copy set
0 1
Stops at the end of the
current job
1 0
Does not stop 1 1
Mode 1-7 1-6 1-5
1,000 prints 0 0 0
2,000 prints 0 0 13,000 prints 0 1 0
4,000 prints 1 1 0
5,000 prints 0 0 1
1,000 prints 1 0 1
1,000 prints 0 1 1
1,000 prints 1 1 1
Mode 9-3 9-2
Please insert keycounter
0 0
Please insert copy card 0 1
Please insert coin 1 0
Please insert key
counter
1 1
Mode 9-7 9-6 9-5 9-4
No limit 0 0 0 0
1 sheet 0 0 0 1
3 sheets 0 0 1 0
5 sheets 0 0 1 1
9 sheets 0 1 0 010 sheets 0 1 0 1
20 sheets 0 1 1 0
30 sheets 0 1 1 1
50 sheets 1 0 0 0
99 sheets 1 0 0 1
No limit 1 0 1 0
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*9 F4 size setting
*10 FNS alarm stop method
This setting is used to determine when to stop
if a FNS full alarm is detected.
Functions detected are;
Lower limit of the FNS tray, the number of the
FNS trays, FNS booklet tray, PK punch
scraps, TU scraps and TU stacker
*12 Density selection when scanning the tabed
paper
*13 Fixing temperature selection
Temperature up: Decrease a insufficient
fixing or fixing winding
jamTemperature down: Decrease paper exit curl-
ing or waving
Mode 13-6 13-5
8 x 13 0 08.25 x 13 0 1
8.125 x 13.25 1 0
8.5 x 13 1 1
Mode 15-4 15-3
Stops immediately afterdetection
0 0
Stops at a break
between copy set after
detection
0 1
Does not stop while in
printing
1 0
Mode 17-6 17-5 17-480 0 0 0
40 (most lighter) 0 0 1
60 0 1 0
100 0 1 1
120 1 0 0
160 1 0 1
200 1 1 0255 (most darker) 1 1 1
Mode 19-3 19-2 19-1
Upper roller, lower roller:
-30C
0 0 0
Upper roller, lower roller: 0 0 1
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*15 Image scanning area with shift function
Normal: Compare the original size and the
transfer paper size and the smaller
one is to be the image area.
Original priority:
Original size is to be the image
area.
*16 Number of punch holes
*17 Precision of the color registration automatic
correction (periodical correction)
"Fine" is used when the precision of the color
*19 Main scan correction of the color registration
auto correction (periodical correction)
The color registration corrections, in the main
scanning direction that are periodically per-
formed can be omitted. This is used tempo-
rarily when there is a registration error along
the main scan as a result of a trouble around
the transfer belt unit, or when separating
faulty points.
*20 IP gamma correction
In order to separate difective items when
there is poor images sent from IP. The gammacorrection can be omitted. The gamma correc-
tion table is stored in the IP.
Mode 20-1
Normal 0
Original priority 1
Mode 22-2 22-1
2 holes (for Japan) 0 0
3 holes (for inch area) 0 1
4 holes (for metric area) 1 0 1 1
Mode 23-4Enabled 0
Disabled 1
Mode 23-5
Enabled 0
Disabled 1
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*22 Image stabilization control timing
Correction made:
Correction is performed by sus-
pending print at specified print.
No correction made:
Correction is omitted temporarily to
reduce down time when the
machine cannot be used with SC
due to the malfunction of the drum
potential sensor or gamma sensor.
No correction while in printing:
Correction that is performed by
suspending print at every specified
print is performed after the print job
to reduce down time.
*24 Toner refresh mode (at Job end)
Toner refresh mode (periodical)
When printing coverage is low (5% or less of
each color), rough image, white spot or toner
spillage tend to occur due to toner deteriora-
tion.
The effective measure against these are as
follows.
Toner refresh mode in key operator mode
It is performed by a user's decision when a
problem occurs.
Amount of toner equivalent of 8-sheet A3
solid is developed for all Y, M, C, K.
(It needs to change setting by DIPSW 28-
7)
DIPSW 28-2
For the colors of which print coverage of
the previous job is 5% or less (convert into
A4), solid toner of the difference amount
from the 5% is developed to consume
toner.
PIPSW 28-3
Check the average print coverage for each
Mode 24-3 24-2
Correction made 0 0Correction not made 0 1
No correction while in
printing
1 0
1 1
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*25 Printer gamma offset adjustment
Change the area in which the printer gamma
offset of the 36 mode can be adjusted.
0: High light area only
1: Possible in whole area
*26 Toner refresh mode switchover
Switch over the toner refresh mode function in
the key operator mode.
0: Amount of toner equivalent of 8 sheets A3
solid is developed for all Y, M, C and K to
consume toner.
This setting is effective for rough
image, white spot and toner spillage.
This setting is not so effective for
white line (paper feeding direction).
1: Amount of toner equivalent of 10 sheets
A3 half-tone is developed for M and C to
consume toner.
Thi tti i ff ti f hit li
Mode 28-4
High light area only 0
Possible in whole area 1
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6.4 Paper size setting
Conduct this setting when changing the paper size
of the LCT.
The paper size is available in the standard size,
non-standard size and wide paper.
6.4.1 Standard size setting
A. Procedure
6.4.3 Wide paper setting
A. Procedure
1. Enter the 25 mode.
2. "25 mode menu screen"
Press the [2. Paper size setting] key.
3. "Paper size setting screen"
Press the [Standard size] key.
4. Press the arrow key to select the paper size.
5. Press the [OK] key to return to "25 Mode menu screen."
To invalidate the setting that you have
changed, press the [Cancel ] key and return to
"25 mode menu screen."
1. Enter the 25 mode.
2. "25 mode menu screen"
Press the [2. Paper size setting] key.
3. "Paper size setting screen"
Press the [Wide paper] key.
4. Press the arrow keys and select the standard
size of the wide paper.
5. Press the [Enter size] key.
6. Press the main scan direction key and enter
the paper size using the arrow keys or numeric
keys.
7. Press the sub-scan direction key and enter the
paper size using the arrow keys or numeric
keys.
8. Press the [OK] key to return to "25 Mode menu
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6.5 PM count setting
Reset the PM count after implementation of the PM
and set and/or change the PM cycle.
The selection of the PM cycle is available in the
total count and the distance in operation of the
developing unit /K. In default, the total count is set.
6.5.1 Count reset
A. Procedure
6.5.2 Change setting
A. Procedure
1. Enter the 25 mode.
2. "25 mode menu screen"
Press the [3. PM count] key.
3. "PM count/cycle screen"
Press the [Count reset] key.
4. "PM count reset confirmation screen"
Press the [YES] key when resetting the PM
count. The PM count is reset and the starting
date of the PM count is automatically entered.
When the [NO] key is pressed the PM count is
1. Enter the 25 mode.
2. "25 mode menu screen"
Press the [3. PM count] key.
3. "PM count/cycle screen"
Press the [Page] or [Distance] key.
4. Enter a cycle value through the numeric keys.
Only the upper three digits can be entered.
5. Press the [OK] key to return to "25 Mode menu
screen."
To invalidate the setting that you have
changed, press the [CANCEL] key and returnto "25 mode menu screen."
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6.6 Data collection
It is possible to confirm various data held in the
machine. It is also possible to confirm collected data
by the KRDS, list output and the mail remote notifi-
cation system.
A. Data that can be confirmed
1. Total count of each paper size
2. Copy count of each paper size
3. Print count of each paper size
4. RADF count
5. Page fill of each section
6. JAM data of time series
7. JAM count
8. Count of each copy mode
Count of each copy mode (1)
Count of each copy mode (2)
9. SC count
10. JAM count of each section
11. SC count of each section
Note:
Wh tti DIPSW30 1 t 1 6 t 11 b
B. Data collection confirmation method
(1) Procedure
Note:
The [Count reset] key is shown in the individ-
ual data confirmation screen of the [10. JAM
count of each section] and the [11. SC count
1. Enter the 25 mode.
2. "25 mode menu screen"
Press the [4. Data collection] key.
3. "Data collection menu screen"
Press the key of a data collection item that you
want to confirm.
To select any succeeding key to the key 11,
press the arrow key.
4. "Individual data confirmation screen"
Press the arrow key to scroll the screen.
5. Press the [PREVIOUS SCREEN] key to return
to "25 mode menu screen."
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C. Details of the data collection
(1) Data collection No. 1 to 3: Total, copy and
printer counts of each paper size
Maximum count: 99,999,999
1 count is made for paper of All types regardless
of the paper size.
All sheets of paper that do not come under the
size of No. 1 to No. 9 are counted as special.
However, SEL and LEF are counted as the same
size.
The non-standard and the wide paper are
NO KRDS parameter
(B1, B6, B8, BD, BE, BF)
For Remark
Japan Inch Metric
1 00 A2 17 x 22 A2 Not used
2 01 A3 11 x 17 A3
3 02 B4 8.5 x 14 B4 (8K)
4 03 A4 8.5 x 11 A4
5 04 B5 5.5 x 8.5 B5 (16K)6 05 A5 A5
7 06 B6 F4
8 07 8.5 x 14
9 08 8.5 x 11 A4
10 09 Special Special Special
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(2) Data collection No. 4: RADF count
Maximum count: 99,999,999
(3) Data collection No. 5: Page fill of each sec-
tion
It is possible to confirm the average pixel ratio of
5,000 print sheets of the latest 30 data for each of Y,
M C and K
NO KRDS parameter (F0) Item Remark
1 00 No. of originals fed in ADF mode2 01 No. of originals fed in RADF mode
3 02 No. of originals fed in RDH mode Not used
4 03 No. of originals fed in RRDH mode
5 04 No. of originals fed in LDH mode
6 05 No. of originals fed in CFF mode
7 06 No. of 1 sided SDF original fed
8 07 No. of mix originals fed in ADF mode9 08 No. of mix originals fed in RADF mode
10 09 No. of originals fed in 2 in 1 mode Not used
11 0A No. of 1 sided z-folded original fed
12 0B No. of 2 sided z-folded original fed
13 0C No. of 2 sided SDF original fed Not used
14 0D
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(5) Data collection No. 7: Jam count / No. 10.
JAM count of each section
NO KRDSParameter
(J0)
Jam code is shown onthe LCD display when
DIPSW11-7 is set to 1
Section
1 00 J10-01 By-pass
2 01 J10-02
3 02 J10-03
4 03 J11-01 Tray 1
5 04 J12-01 Tray 2
6 05 J13-01 Tray 3
7 06 J14-01 LCT
8 07 J17-01 Paper
feed9 08 J17-02
10 09 J17-03
11 0A J17-04
12 0B J17-05
13 0C J17-06
14 0D J17-07
15 0E J17-08
16 0F J17-09
17 10 J31-02 Reversed
paper exit18 11 J32-08
19 12 J32 04
33 20 J72-16 FNS
34 21 J72-17
35 22 J72-18
36 23 J72-19
37 24 J72-20
38 25 J72-21
39 26 J72-22
40 27 J72-23
41 28 J72-24
42 29 J72-25
43 2A J72-26
44 2B J72-28
45 2C J72-29
46 2D J72-30
47 2E J72-32 TU
48 2F J72-33
49 30 J72-34
50 31 J72-35 PI
51 32 J72-38 Not used
52 33 J72-39
53 34 J72-40
NO KRDS
Parameter
(J0)
Jam code is shown on
the LCD display when
DIPSW11-7 is set to 1
Section
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Maximum count: 99,999,999
75 4A J61-01 DF
76 4B J61-02
77 4C J61-03
78 4D J62-01
79 4E J62-02
80 4F J62-03
81 50 J62-04
82 51 J62-05
83 52 J62-06
84 53 J62-07
85 54 J17-10 LCT
86 55 Not used
87 56
88 57
89 58
90 59
NO KRDS
Parameter
(J0)
Jam code is shown on
the LCD display when
DIPSW11-7 is set to 1
Section
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(6) Data collection No. 8-1: Count of each copy mode (1)
NO KRDS
Parameter
(F1)
Item Count conditions
1 00 1-1 mode
2 01 1-2 mode
3 02 2-1 mode
4 03 2-2 mode
5 04 ADF 1-1 mode
6 05 ADF 1-2 mode
7 06 Mixed original mode
8 07 Tab original mode
9 08 Z-folded original mode
10 09 LEF: Portrait/SEF: Landscape(Reg.)
11 0A LEF: Landscape/SEF: Portrait(Reg.)
12 0B LEF: Portrait/SEF: Landscape(Rev.)
13 0C LEF: Landscape/SEF: Portrait(Rev.)
14 0D Enhance Mode: text/photo
15 0E Enhance Mode: Text
16 0F Enhance Mode: Photo
17 10 Enhance Mode: Map
18 11 Non STD size
19 12 1 oblique staple(Upper left)
20 13 1 bli t l (U i ht)
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44 2B Preset magnification E1
45 2C Preset magnification R4
46 2D Preset magnification R3
47 2E Preset magnification R2
48 2F Preset magnification R1
49 30 User lens mode 1
50 31 User lens mode 2
51 32 User lens mode 3
52 33 Zoom
53 34 Vertical/Hrizontal zoom
54 35 Maximum zoom
55 36 Minimum zoom
56 37 APS
57 38 AMS
58 39 AE (AES)
59 3A User density level 1 (Not used)
60 3B User density level 2 (Not used)
61 3C Interrupted copy
62 3D Auto image rotaion cancellation
63 3E Sheet insertion
64 3F Chapter control
NO KRDS
Parameter
(F1)
Item Count conditions
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88 57 Numbering
89 58 Set quantity 1
90 59 Set quantity 2-5
91 5A Set quantity 6-10
92 5B Set quantity 11 or more
93 5C Time while power remote 1 is ON Accumulation of time during which the
overall control board is powered
94 5D Time while power remote 2 is ON Accumulation of time during which the
remote power 1 is on (in minutes)
95 5E Time while power remote 3 is ON Accumulation of time during which the
remote power 2 is on (in minutes)
96 5F Time while power remote 4 is ON Accumulation of time during which the
built-in controller operates (in minutes)
97 60 Time during Low Power mode Accumulation of time in the low power
mode (1 count for each minute)
98 61 Time during warm up time Accumulation of warm-up time (in min-
utes)
99 62 Time during front door open Accumulation of time during which the front
door is open (in minutes)
100 63 Ope. Time in 1side straight exit Accumulation of time from the start of
print to the end of print (in minutes)101 64 Ope Time in 1side reverse exit
NO KRDS
Parameter
(F1)
Item Count conditions
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122 79 N of distortion adjust error (Not used)
123 7A N of ADF distortion data error (Not used)
124 7B Compression memory overflow
125 7C Page memory overflow (scan)
126 7D Page memory overflow (print)
127 7E FNS alarm (tray/trimming)
128 7F FNS alarm (staple)
129 80
130 81 N ofADF special error4 occurred (Not used)
131 82 Store for HDD (Sync. With Copying)
(Not used)
132 83 Store for HDD (SRVmode ScanHDD)
(Not used)
133 84 Store for PC (SRVmode Scan PC)
(Not used)
134 85 Store for PC (SRVmode HDD PC)
(Not used)
135 86 Recall from HDD (SRVmode HDD) (Not used)
136 87 Recall from PC (SRVmode PC) (Not used)
137 88 Image edit count by SRV
138 89 Wide paper count (A3W) or (11 x 17R)
NO KRDS
Parameter
(F1)
Item Count conditions
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(7) Data collection No. 8-2: Count of each copy mode (2)
NO KRDS
Parameter
(F1)
Item Count conditions
1 00 ACS
2 01 Full color
3 02 Monochrome
4 03 Mono color (Y)
5 04 Mono color (M)
6 05 Mono color (C)
7 06 Mono color (R)
8 07 Mono color (G)
9 08 Mono color (B)
10 09 DF thick paper
11 0A DF thin paper
12 0B Original type: Printed paper
13 0C Original type: Photo paper
14 0D Original type: Copied paper
15 0E Original type: Inkjet paper
16 0F Original type: Pencil
17 10 Original type: Newspaper
18 11 Screen : Line screen/Smooth tone
19 12 Screen : Line screen/High resolution
20 13 S D t /S th t
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44 2B Paper Type: Exclusive paper B
45 2C Paper Type: Exclusive paper C
46 2D Paper Type: Exclusive paper D
47 2E Paper Weight: 1
48 2F Paper Weight: 2
49 30 Paper Weight: 3
50 31 Paper Weight: 4
51 32 Paper Weight: 5
52 33 Paper Weight: 6
53 34 Multi page enlargement
54 35 Main Tray: Face up
55 36 N of no toner stop occurred (Y)
56 37 N of no toner stop occurred (M)
57 38 N of no toner stop occurred (C)
58 39 N of no toner stop occurred (K)
59 3A N of toner recovery box is full
60 3B N of color regist. auto. adj. Counts 1 per every correction operation
61 3C N of auto stability control Counts 1 per every correction operation
62 3D
63 3E
64 3F
NO KRDS
Parameter
(F1)
Item Count conditions
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(8) Data collection No. 9: SC occurrence count/
No. 11: Sectional SC occurrence count
NO KRDS
Parameter
(E0)
SC code Section
1 00 SC10-10 Communication
abnormality
2 01 SC13-01 Paper feed motor
abnormality3 02 SC13-02
4 03 SC18-01 Paper feed tray
abnormality5 04 SC18-02
6 05 SC18-03
7 06 SC18-04
8 07 SC18-50 LT abnormality
9 08 SC18-51
10 09 SC18-60
11 0A SC18-61
12 0B SC18-70
13 0C SC18-71
14 0D SC20-10 Communication
abnormality15 0E SC20-11
16 0F SC20-12
17 10 SC21-01 PCL abnormality
18 11 SC21-02
36 23 SC28-01 High voltageabnormality37 24 SC28-02
38 25 SC28-03
39 26 SC28-04
40 27 SC29-01
41 28 SC29-02
42 29 SC29-03
43 2A SC29-04
44 2B SC29-06 Process
abnormality45 2C SC29-07
46 2D SC29-08
47 2E SC29-09
48 2F SC29-10
49 30 SC29-11
50 31 SC29-12
51 32 SC29-13
52 33 SC29-14
53 34 SC29-15
54 35 SC29-16
55 36 SC29-17
56 37 SC29-18
NO KRDS
Parameter
(E0)
SC code Section
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75 4A SC34-01 High fixingtemperature
abnormality76 4B SC34-02
77 4C SC34-03
78 4D SC34-04
79 4E SC34-05
80 4F SC34-06
81 50 SC34-07
82 51 SC34-08
83 52 SC35-01 Low fixing
temperature
abnormality84 53 SC35-02
85 54 SC35-03
86 55 SC35-04
87 56 SC35-05
88 57 SC35-06
89 58 SC36-02 Fixing sensorabnormality90 59 SC36-04
91 5A SC36-05
92 5B SC36-06
93 5C SC36-07
94 5D SC36-08
95 5E SC36-09
NO KRDS
Parameter
(E0)
SC code Section
115 72 SC45-01 Color registrationabnormality116 73 SC45-03
117 74 SC45-07
118 75 SC45-08
119 76 SC45-09
120 77 SC45-10
121 78 SC45-11
122 79 SC45-12
123 7A SC45-20
124 7B SC46-01 Image
processing
abnormality125 7C SC46-02
126 7D SC46-03
127 7E SC46-05
128 7F SC46-06
129 80 SC46-07
130 81 SC46-08
131 82 SC46-09
132 83 SC46-11
133 84 SC46-12
134 85 SC46-13
135 86 SC46-14
NO KRDS
Parameter
(E0)
SC code Section
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159 9E SC46-80 Imageprocessing
abnormality160 9F SC46-81
161 A0 SC46-82
162 A1 SC46-83
163 A2 SC46-90
164 A3 SC46-91
165 A4 SC46-98
166 A5 SC46-99
167 A6 SC49-00 Communication
abnormality168 A7 SC49-01
169 A8 SC49-02
170 A9 SC50-01
171 AA SC50-02
172 AB SC50-03
173 AC SC50-04
174 AD SC50-05
175 AE SC50-10
176 AF SC50-11
177 B0 SC52-01 Fan abnormality
178 B1 SC52-02
179 B2 SC52-03
NO KRDS
Parameter
(E0)
SC code Section
197 C4 SC77-02 FNS abnormality198 C5 SC77-03
199 C6 SC77-04
200 C7 SC77-05
201 C8 SC77-06
202 C9 SC77-07
203 CA SC77-08
204 CB SC77-11
205 CC SC77-12
206 CD SC77-13
207 CE SC77-14
208 CF SC77-21
209 D0 SC77-22
210 D1 SC77-25
211 D2 SC77-26
212 D3 SC77-31 TU abnormality
213 D4 SC77-32
214 D5 SC77-33
215 D6 SC77-34
216 D7 SC77-35
217 D8 SC77-36
NO KRDS
Parameter
(E0)
SC code Section
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240 EF SC80-11 ISW abnormality241 F0 SC80-21
242 F1 SC80-30
243 F2 SC80-31
244 F3 SC80-32
245 F4 SC80-40 Main body
abnormality246 F5 SC89-01
247 F6 SC89-02
248 F7 SC89-03
249 F8 SC89-04
250 F9
251 FA
252 FB
253 FC
254 FD
255 FE
256 FF
257 G0
258 G1
259 G2
260 G3
NO KRDS
Parameter
(E0)
SC code Section
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6.7 Parts counter
The following are conducted with respect to each
replacement part: display of copy count used, reset-
ting of count, setting of limit value, and new registra-
tion of replacement parts.
The copy count by parts that need to be replaced
includes the following:
Count of special parts
Count of each parts
6.7.1 Count of special parts
When a periodically replaced part is replaced, reset
the counter of the part that has been replaced.
Display the name, part number and the copy count
of a replacement part that has been registered, and
reset the count.
A. Procedure
1. Enter the 25 mode.
2. "25 mode menu screen"
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B. Count of special parts list
NO KRDS
Parameter
(F1)
Parts name P/N
(Parts No.)
Count conditions
1 00 Toner collection box 65AA-245 *1
2 01 Ozone filter /1 (Right side) 65AA1043
3 02 Deodorant filter (Rear side) 65AA1137
4 03 Dust-proof filter /1 (Right side) 65AA1044
5 04 Dust-proof filter /2 (Rear side) 65AA-142
6 05 Charging dust proof filter 65AA-387
7 06 Drum cartridge /Y 65AA-200 *2
8 07 Drum /Y 65AA-219
9 08 Drum cleaning blade /Y 65AA2003
10 09 Lubricant applying unit /Y 65AA-202
11 0A
12 0B Drum cartridge /M 65AA-200
13 0C Drum /M 65AA-219
14 0D Drum cleaning blade /M 65AA2003
15 0E Lubricant applying unit /M 65AA-202
16 0F
17 10 Drum cartridge /C 65AA-200 *2
18 11 Drum /C 65AA-219
19 12 Drum cleaning blade /C 65AA2003
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44 2B 1st transfer roller /K 65AA2604 *1
45 2C 2nd transfer roller /U 65AA2611
46 2D Transfer belt separation claw 65AA-287
47 2E Tranfer belt cleaning unit 65AA-275
48 2F Belt cleaning brush unit 65AA-288
49 30 Toner collection sheet /1 65AA-293
50 31 Belt cleaning blade 65AA2630
51 32 2nd transfer roller /L 65AA4501
52 33 Separation discharging
unit
65AA-452
53 34 Fixing cleaning unit 65AA-573
54 35 Fixing roller /U 65AA5301
55 36 Fixing roller /L 65AA5302
56 37 Developer /Y (Page) 65AA3079 *2
57 38 Developer /Y (Page) 65AA3080
58 39 Developer /C (Page) 65AA3081
59 3A Developer /K (Page) 65AA3082 *1
60 3B Developing unit /Y 65AA-300 *2
61 3C Developing unit /M 65AA-300
62 3D Developing unit /C 65AA-300
NO KRDS
Parameter
(F1)
Parts name P/N
(Parts No.)
Count conditions
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75 4A By-pass gate solenoid 12QR-263 1 count for each A4 / B5 / 8.5 x 11 / 16K
copy exit in the staple mode
76 4B Tri-folding gate SD 12QR-263 1 count for each copy exit in the three-
folding mode
77 4C Pl conveyance clutch /U 13QN8201 1 count for each paper feed in PI upper
stand78 4D Pl feed roller /A /U 50BA-574
79 4E Pl feed roller /B /U 50BA-575
80 4F Pl reverse roller /U 13QN-443 1 count for each paper feed in PI upper
stand81 50 Pl torque limiter /U 13QN4073
82 51 Pl conveyance clutch /L 13QN8201 1 count for each paper feed in PI lower
stand83 52 Pl feed roller /A /L 50BA-574
84 53 Pl feed roller /B /L 50BA-575
85 54 Pl reverse roller /L 13QN-443
86 55 Pl torque limiter /L 13QN4073
87 56 Trimmer blade 13LHK001/002 1 count for each cutter operation
88 57 PK punching unit (2 hole) 14EA/14EF 1 count for each punch operation
89 58 PK punching unit (3 hole) 14EB
90 59 PK punching unit (4 hole) 14EE/14EG
91 5A
92 5B ADF paper feed roller 13YH4064 Original passage count in all modes
NO KRDS
Parameter
(F1)
Parts name P/N
(Parts No.)
Count conditions
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105 68 Pl regist clutch 13QN8202 1 count each time PI feeds a sheet
106 69 Punch motor 54008004 1 count for each punch operation
107 6A
108 6B Paper exit roller /A 122H4825 1 count for each FNS main tray paper exit
109 6C Intermediate conveyance
roller
13QE4531 1 count for each sheet in each of the
FNS flat stapling, stitch-and-fold, folding
and three-folding modes110 6D Stacking assist roller 20AK4210
111 6E
112 6F Fixing torque limiter 65AA5365 *1
113 70 Registration cleaning
sheet
65AA4609 1 count for each paper exit in the single
side copy mode
2 counts in the double side copy mode
114 71 Ball bearing /U 45407504 *1
115 72 Heat insulating sleeve /U 45405339
116 73 Intermediate convery. clutch /1 56AA8201 1 count for each paper exit in the single
side copy mode
1 counts in the double side copy mode
117 74 Intermediate convery. clutch /2 56AA8201
118 75 Intermediate convery. clutch /3 56AA8201
119 76 Feed/Dfeed rubber (Tray-1) 25SA4096 1 count for each paper exit of paper sup-
plied from the tray 1
120 77 Feed/Dfeed rubber (Tray-2) 25SA4096 1 count for each paper exit of paper sup-
NO KRDS
Parameter
(F1)
Parts name P/N
(Parts No.)
Count conditions
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134 85 ADU conveyance clutch /1 56AA8201 1 count for each paper exit in the double
side copy mode (no count is made in the
single side copy mode)
135 86 ADU conveyance clutch /2 56AA8201
136 87 ADU pre-registration clutch 56AA8201
137 88 Ball bearing /L 26NA5371 *1
138 89 Heat insulating sleeve /L 65AA5371
139 8A Fixing drive gear 65AA7727
140 8B Decurler roller 65AA4905 1 count for each paper exit in the single
side copy mode
2 counts in the double side copy mode
141 8C LCT paper feed roller 55VA-484 1 count for each paper exit of paper sup-
plied from the LCT142 8D LCT feed/Dfeed roller 55VA-483
143 8E LCT feed clutch 56AA8201
144 8F LCT pre-registration clutch 56AA8201
145 90 Paper feed clutch (Tray-1) 56AA8201 1 count for each paper exit of paper sup-
plied from the tray 1146 91 Pre-regist. clutch (Tray-1) 56AA8201
147 92 Paper feed clutch (Tray-2) 56AA8201 1 count for each paper exit of paper sup-
plied from the tray 2148 93 Pre-regist. clutch (Tray-2) 56AA8201
149 94 Paper feed clutch (Tray-3) 56AA8201 1 count for each paper exit of paper sup-
plied from the tray 3150 95 Pre-regist. clutch (Tray-3) 56AA8201
151 96 Paper feed clutch (By-pass) 56AA8202 1 count for each paper exit of paper sup-
NO KRDS
Parameter
(F1)
Parts name P/N
(Parts No.)
Count conditions
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6.7.2 Count of each parts
This is used when you want to control the part
counter.
Set the part name, part number and the limit value,
and display and reset the copy count.
Up to 30 data from No. 01 to No. 30 can be set. A
count is taken for each passage of paper, regard-
less of the paper size.
Reference:
When the copy count is in excess of a limit
value, an asterisk [*] is shown to the left of No.
A. Setting of each replacement part and dis-
play of the copy count
(1) Procedure
B. Resetting of each replacement part
(1) Procedure
1. Enter the 25 mode.
2. "25 mode menu screen"
Press the [5. Parts counter] key.
3. "Parts counter menu screen"
P th [2 C t f h t ] k
1. Enter the 25 mode.
2. "25 mode menu screen"
Press the [5. Parts counter] key.
3. "Parts counter menu screen"
Press the [2. Count of each parts] key.
4. "Count of each part screen"Press the arrow key to select a number you
want to set or change.
5. Press the [COUNT RESET] key.
6. "Parts count reset screen"
Press the [YES] key when resetting a part
count. This resets the part counter.
Pressing the [NO] key returns to "Count of
each part" with the part count not reset.
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C. Relationship between each data No. and
KRDS parameter
NO PARTS NAME P/N COUNT LIMIT
1 Z4:00 Z3:00 G0:00 H0:00
2 Z4:01 Z3:01 G0:01 H0:01
3 Z4:02 Z3:02 G0:02 H0:02
4 Z4:03 Z3:03 G0:03 H0:03
5 Z4:04 Z3:04 G0:04 H0:04
6 Z4:05 Z3:05 G0:05 H0:05
7 Z4:06 Z3:06 G0:06 H0:06
8 Z4:07 Z3:07 G0:07 H0:07
9 Z4:08 Z3:08 G0:08 H0:08
10 Z4:09 Z3:09 G0:09 H0:09
11 Z4:0A Z3:0A G0:0A H0:0A
12 Z4:0B Z3:0B G0:0B H0:0B
13 Z4:0C Z3:0C G0:0C H0:0C
14 Z4:0D Z3:0D G0:0D H0:0D
15 Z4:0E Z3:0E G0:0E H0:0E
16 Z4:0F Z3:0F G0:0F H0:0F
17 Z4:10 Z3:10 G0:10 H0:10
18 Z4:11 Z3:11 G0:11 H0:11
19 Z4:12 Z3:12 G0:12 H0:12
20 Z4:13 Z3:13 G0:13 H0:13
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6.8 Password setting
Set the following passwords.
Key operator password (4 digits): Password
used to enter the key operator mode.
EKC master key code (8 digits): Password
required when entering various EKC setting
modes.
Weekly timer password (4 digits): Password
required when entering various weekly timer set-
ting modes.
Note:
A password can be set only when the set-
ting for use of the weekly timer is set to
"Use" in the key operator mode.
A. Procedure
6.9 Telephone number setting
Set the customer support center telephone and FAX
numbers that are used in an emergency for a ser-
vice call and shown on the basic screen for help.
A. Procedure
1. Enter the 25 mode.
2. "25 mode menu screen"
Press the [6. Password setting] key.
3. "Password setting mode screen"
P th k f it t t t
1. Enter the 25 mode.
2. "25 mode menu screen"
Press the [7. Telephone number setting] key.
3. "Customer support TEL/FAX setting screen"
Press either of the [Service centre Telephone
number (16 digits)] and [Service centre FAX
number (16)] keys that you want to set.
4. Enter a TEL or FAX number through thenumeric keys.
5. Press the [OK] key to update the data.
To invalidate the setting that you have
changed, press the [CANCEL] key.
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6.10 M/C serial number setting
Display and set the serial numbers of the main body
and options.
A. Procedure
Note:
The serial number of the main body cannot be
6.11 Indication of ROM version
Display the ROM version of the main body and
options.
A. Procedure
6.12 KRDS setting
See the "KRDS manual."
6.13 ISW
1. Enter the 25 mode.
2. "25 mode menu screen"
Press the [8. M/C serial number setting] key.
3. "Serial number setting mode screen"
Press the key of an item you want to set and
enter a serial number through the alphanu-
meric keys.
4. Press the [OK] key to update the data.
5. To invalidate the setting that you have
changed, press the [CANCEL] key.
1. Enter the 25 mode.
2. "25 mode menu screen"
Press the [9. Indication of ROM version] key.
3. "Indication of ROM version screen"
Each ROM version is displayed.
4. Press the [PREVIOUS SCREEN] key to return
to "25 mode menu screen."
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6.14 Setting date input
Set the starting date of the total counter that is dis-
played on the LCD in the P function.
A. Procedure
6.15 Board change mode
When changing any of the following four types of
boards, be sure to set the serial number of the main
body in this setting.
OPERATION (operation board /1)
OVERALL CB (overall control board)
NVRAM (memory board)
PRINTER (printer control board)
Note:
The number of boards that can be replaced at
the same time is restricted only to two boards.
A. Procedure
1. Enter the 25 mode.
2. "25 mode menu screen"
Press the [12.Setting date input] key.
3. "Setting date input screen"
Enter an installation date through the numeric
keys.
4. Press the [OK] key to update the data.
5. To invalidate the setting that you have
changed, press the [CANCEL] key.
1. Enter the 25 mode.
2. "25 mode menu screen"
Press the [13. Board change mode] key.
3. "Bo