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BIZHUB PRO 920
Konica Minolta BIZHUB PRO 920 Service Manual
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SERVICE MANUAL
2005.08
Ver. 2.0
Field Service
Main body
PRO
920
2
Table of Contents
Table of Contents
25
Default Chapter
2
Safety and Important Warning Items
2
Safety Warnings
3
Connection to Power Supply
5
Handling of Consumables
11
Safety Information
13
Indication of Warning on the Machine
14
Composition of the Service Manual
20
Bizhub PRO
21
Revision History
24
Table of Contents
25
Outline
33
1 System Configuration
33
2 Product Specifications
35
Maintenance
39
3 Periodic Check
39
Life Value
39
Life Value of Materials
39
Schedule
40
Maintenance Item
41
Main Body
41
Replacement Parts List
58
Periodically Replacement Parts List
58
Spot Replacement Parts List
62
Maintenance Procedure of the External Section
63
Replacing the Ozone Filter /1 and /2
63
Cleaning the Dust-Proof Filter /1, /2 and /3
64
Replacing the Dust-Proof Filter /1, /2 and /3
65
Maintenance Procedure of the Write Section
67
Cleaning the Dust-Proof Glass
67
Maintenance Procedure of the Photo Conductor Section
68
Removing/Reinstalling the Photo Conductor Section
68
Cleaning/Removing the Drum Fixing Couplings
71
Replacing the Drum Temperature Sensor (TH5)
74
Cleaning the Toner Control Sensor Board (TCSB)
75
Replacing the Drum
76
Replacing the Drum Claw
78
Replacing the Drum Fixing Spring/Drum Positioning Collar
80
Maintenance Procedure of the Charge Section
81
Replacing the Charge Unit
81
Replacing the Charge Control Plate, Charge Wire, Vibration-Proof Rubber, Charge Cleaning Unit and C-Clip
82
Cleaning/Replacing the Charge Back Plate and the Erase Lamp (EL)
86
3.9 Maintenance Procedure of the Transfer/Separation Unit
87
Default Chapter
87
Maintenance Procedure of the Transfer/Separation Unit
87
Replacing the Transfer/Separation Unit
87
Periodically Replaced Parts/Cycle
88
Replacing the Transfer/Separation Wire, Transfer Cleaning Assembly, Separation Cleaning Assembly, Vibration-Proof Rubber and the C-Clip
88
Procedure
88
Replacing the Transfer Exposure Lamp (TSL)
91
1 Pull out the Toner Supply Unit Thoroughly. (See "3.7.1 Removing/Reinstalling the Photo Conductor Section.") Pull out the ADU from the Main Body
91
Cleaning the Registration Sensor (PS44).")
91
Maintenance Procedure of the Developing Unit
92
Replacing the Developing Unit and the Developing Suction Assembly
92
Replacing the Suction Filter
92
4 Reinstall the above Parts Following the Removal Steps in Reverse
92
Replacing the Developer
94
Cleaning the Developing Unit
96
Cleaning the Developing Bias Contact
97
Maintenance Procedure of the Toner Supply Section
98
Cleaning of the Toner Bottle Section
98
Replacing the Toner Supply Sleeves /1 and /2
99
Maintenance Procedure of the Cleaning and Toner Recycle Section
101
Cleaning the Cleaning/Toner Recycle Section
101
Replacing the Cleaning Blade
103
Replacing the Toner Guide Brush Assembly, Scattering Prevention Felt, Seal Plates /Fr and /Rr, and the Toner Seal Plate Assembly
107
Replacing the Cleaning Gear /A, /B and the Guide Plate Assembly
113
Maintenance Procedure of the Paper Feed Section
117
Cleaning the Paper Dust Removing Brush (Tray 1, 2, 3)
117
Replacing the Feed Roller/Pick-Up Roller (Trays 1, 2, 3)
118
Replacing the Separation Roller (Trays 1, 2, 3)
121
(Trays 1, 2, 3)
124
Replacing the Paper Feed Clutch (CL3, CL5, Cl7)/Pre-Registration Clutch (CL4, CL6, CL8)
124
Replacing the Pre-Registration Roller (Trays 1, 2, 3)
126
Replacing the Feed Input Gear
129
Maintenance Procedure of the Bypass Tray Section
131
Replacing the Feed Roller/Pick-Up Roller
131
Replacing the Separation Roller
135
Maintenance Procedure of the Vertical Conveyance Section
138
Cleaning the Paper Dust Removing Brush
138
Replacing the Vertical Conveyance Clutch /1 (CL9) and /2 (CL10)
140
Replacing the Conveyance Roller /1
142
Replacing the Vertical Conveyance Roller /2 and /3
142
Cleaning the Vertical Conveyance Sensor (Ps53)/Loop Sensor (PS54)
143
Maintenance Procedure of the ADU
144
Cleaning the Registration Sensor (PS44)
144
Replacing the Registration Clutch (CL1)
145
Removing/Reinstalling the Registration Section
147
Replacing the Registration Roller/Registration Bearing
149
Replacing the Loop Roller/Adu Exit Roller/Pre-Registration Roller/Adu Pre-Registration Bearing/Adu Pre-Registration Clutch (CL2)
150
Replacing the ADU Pre-Registration Loop Roller
154
Replacing the ADU Reverse Roller
158
Replacing the Adu Conveyance Roller /1, /2
162
Procedure
166
Replacing the Paper Reverse/Exit Roller, /2, /3
166
Periodically Replaced Parts/Cycle
166
1 Pull out the ADU from the Main Body
166
Cleaning the Registration Sensor (PS44).")
166
2 Remove the ADU Cover. (See "3.16.2 Replacing the Registration Clutch (CL1).")
166
3 Remove the JAM Indicator Board Assembly. (See "3.16.7 Replacing the ADU Reverse Roller.")
166
Replacing the Paper Reverse/Exit Entrance Roller
169
Replacing the Reverse/Exit Switching Gate
171
4 Remove 3 Connectors
174
Replacing the Sensor Actuator
174
Maintenance Procedure of the Fusing Section
181
Removing/Reinstalling the Fusing Unit
181
Opening/Closing the Fusing Unit /Up
183
Replacing the Cleaning Web
184
Replacing the Fusing Heater Lamp /1 (L2) and /2 (L3)
185
And the Fusing Gear
187
Replacing the Fusing Roller /Up, the Bearing /Up, the Heat Insulating Sleeve /Up
187
Replacing the Fusing Roller /Lw Assembly
189
Removing/Reinstalling the Fusing Heat Roller Assembly
191
Replacing the Fusing Cleaning Sheet Assembly
194
Replacing the Fusing Heater Lamp /3 (L4)
195
Replacing the Fusing Heat Roller, the Heat Roller Bearing and the Heat Insulating Sleeve /Lw
197
Replacing the Fusing Claw /Lw
198
Replacing the Fusing Claw /Up
199
Replacing the Fusing Actuator
200
Replacing the Thermistor /2 (TH2)
201
Removing/Reinstalling the Thermistor /1 (TH1)
203
Replacing the Thermistor /4 (TH4)
205
Removing/Reinstalling the Thermistor /3 (TH3)
207
Removing/Reinstalling the Thermostat /1 (TS1)
209
Removing/Reinstalling the Thermostat /2 (TS2)
211
Replacing the Web Motor (M16)
213
Cleaning the Paper Exit Roller
215
Maintenance Procedure of the Paper Exit Section
215
4 Service Tools
216
Service Material List
216
Jig List
217
Materials
219
Mail Remote Notification System
220
Major Functions
220
Operating Environments
220
Outline
220
Initial Setting
221
Mail Sending
225
Usage of the Mail Remote Notification System
225
Machine Setting Data Import/Export
227
Outline
227
5 Firmware Version up
229
Isw
229
Outline
229
Firmware Data Flow
230
Types of the Transfer Mode
230
Iswtrns
231
Specifications
231
Installation of the Iswtrns
232
Usage of the Iswtrns
234
Error List
244
Internet ISW
248
Initial Setting
248
Operating Environments
248
Outline
248
Internet ISW Using the Web Utilities
254
Internet ISW Using the Mail Remote Notification System
255
Notes for Use
256
Internet ISW Using the Operation Panel
257
Authentication of the Proxy Server in the Internet ISW
258
6 Others
260
Items Not Allowed to be Disassembled and Adjusted
260
Scanner Section
260
Writing Section
263
Developing Unit
265
Transfer/Separation Charge Unit
266
List of Parts to be Disassembled and Reassembled
268
Disassembling/Assembling Procedure
269
Removing/Reinstalling the Rear Cover
269
Removing/Reinstalling the Left Cover
270
Removing/Reinstalling the Right Cover /Lw
271
Removing/Reinstalling the Right Cover /Up
271
Removing/Reinstalling the Front Door /Rt
272
Removing/Reinstalling the Front Door /Lt
273
Removing/Reinstalling the Original Glass
274
Removing/Reinstalling the Upper Cover /Lt
275
Removing/Reinstalling the Upper Cover /Rr
275
Removing/Reinstalling the Operation Panel
276
Recovery of the Circuit Breaker (CBR)
277
Removing/Reinstalling the CCD Unit
278
Replacing the Exposure Lamp (L1)
281
Removing/Reinstalling the Exposure Unit
282
Stretching of the Scanner Wire
284
Removing/Reinstalling the Write Unit
287
Removing/Reinstalling the Toner Supply Unit
289
Removing/Reinstalling the Paper Feed Tray 1 and 2
291
Removing/Reinstalling the Paper Feed Tray 1, 2 Lift Wire
293
Removing/Reinstalling the Paper Feed Tray 3
295
Removing/Reinstalling the Paper Feed Tray 3 Lift Wire
297
Removing/Reinstalling the ADU
299
Removing/Reinstalling the Paper Exit Section
302
Setting the Rank While in Replacing the Fusing Unit
303
Adjustment/Setting
305
7 How to Use the Adjustment/Setting Section
305
Composition
305
8 Utility Menu
306
List of Utility Mode
306
9 List of Adjustment Items
308
10 Tech. Rep. Mode
310
List of Tech. Rep. Mode
310
Setting Method
313
Start and Exit Tech. Rep. Mode
313
Machine Adjustment
314
Tray Adjustment
314
Regist Line Speed Adjustment (Magnification Adjustment)
315
Printer FD-Mag (Magnification Adjustment)
317
Printer CD-Mag (Magnification Adjustment)
318
Scanner (Orig. Glass) FD-Mag (Magnification Adjustment)
319
Scanner (ADF) FD-Mag (Magnification Adjustment)
320
Printer Top Margin Adjustment (Timing Adjustment)
321
Printer Regist Loop Adjustment (Timing Adjustment)
322
Printer Pre-Regist (Timing Adjustment)
323
Lead Edge Margin Selection (Timing Adjustment)
324
Top Image (Original Glass) (Timing Adjustment)
325
Top Image (ADF) (Timing Adjustment)
326
Scanner (ADF) Regist Loop Adjustment (Timing Adjustment)
327
Printer Left Margin (Centering Adjustment)
328
Scanner (Orig. Glass) Left Image (Centering Adjustment)
329
Scanner (ADF) Left Image (Centering Adjustment)
330
Distortion Correction
331
Non Image Area Erase Check
332
ADF Density Adj. (ADF Adjustment)
333
ADF Original Size Adjustment (ADF Adjustment)
334
ADF Sensor Sensitivity Adjustment (ADF Adjustment)
335
ADF Incline Offset Adjustment (ADF Adjustment)
336
Recall Standard Data
337
Process Adjustment
338
Auto High Voltage Adjustment (High Voltage Adjustment)
338
HV Adjustment (Bias of Development DC) (High Voltage Adjustment)
338
HV Adjustment (Charge) (High Voltage Adjustment)
338
HV Adjustment (Charging Grid Voltage) (High Voltage Adjustment)
338
HV Adjustment (Separation AC) (High Voltage Adjustment)
338
HV Adjustment (Separation DC) (High Voltage Adjustment)
338
HV Adjustment (Transfer) (High Voltage Adjustment)
338
Transfer Guide Confirm (High Voltage Adjustment)
338
Blade Setting Mode (Drum Peculiarity Adjustment)
339
Auto Drum Potential Adjustment (Drum Peculiarity Adjustment)
340
Auto Maximum Density Adjustment (Drum Peculiarity Adjustment)
341
Auto Laser Diameter Adjustment (Drum Peculiarity Adjustment)
342
LD Offset Adjustment (Drum Peculiarity Adjustment)
343
Auto Gamma Adjustment (1Dot) (Drum Peculiarity Adjustment)
344
LD1 Bias Adjustment (Drum Peculiarity Adjustment)
344
LD2 Bias Adjustment (Drum Peculiarity Adjustment)
344
Cartridge Installation Mode (Drum Peculiarity Adjustment)
345
Drum Sensitivity Adjustment
345
User Specified Paper Setting
345
Recall Standard Data
346
Counter
347
PM Count
347
Counter/Data
349
Preset Parts Life Counter (Parts Life Counter)
362
Optional Parts Life Counter (Parts Life Counter)
368
Machine Status
370
I/O Check
370
Input Check Mode
370
Output Check Mode
378
Operations in the I/O Check Mode
388
List Output
390
Test Mode
392
Test Pattern Output Mode
392
Running Mode
399
Test Pattern Density Setting
399
System Input
401
Software Switch Setting
401
Serial No. Input
422
Telephone no
422
Install Date
423
Size Setting (Tray 4)
423
Firmware Version
424
CS Remote Care
425
Outline
425
Setup Procedure of the CS Remote Care
425
List of Combinations of E-Mail CS Remote Care and Mail Remote Notification System
428
Detailed Setup Procedure
429
Software SW Setting for CS Remote Care
433
Mail Address Setting
441
Modem First Call
443
Receiving the Initial Connection Mail
444
Setup Confirmation
444
Center Call from Manager
445
Maintenance Call
445
Confirm Communication Log
446
Initialization of RAM for CS Remote Care
446
Error Code List
447
Troubleshooting
448
Finisher Adjustment
449
Fold & Staple Stopper Adj. (FS-604)
449
Cover Sheet Tray Size Adjustment (PI)
450
Half Hold Stopper Adjustment (FS-604)
450
Trimming Stopper Adjustment (TU)
451
Punch Kit Vertical Position Adjustment (PK)
452
Punch Kit Horizontal Position Adjustment (PK)
453
Punch Unit Vertical Position Adjustment (ZU)
454
Punch Unit Horizontal Position Adjustment (ZU)
455
Punch Registration Loop Adjustment (ZU/PK)
456
Z-Fold Position Adjustment (ZU)
457
Letter Fold Adjustment (FS-604)
458
Positions Stapling Pitch Adjustment (FS-604)
459
Fold and Staple Pitch Adjustment (FS-604)
460
Isw
449
Administrator Setting
461
Administrator Authentication
461
Administrator Password Setting
461
CE Setting
462
CE Authentication
462
CE Password Setting
462
IP HDD Format
463
11 Mechanical Adjustment
464
Mis-Centering Adjustment of the Trays 1, 2 and 3
464
Procedure
464
Paper Feed Roller Pressure Adjustment of the Trays 1, 2 and 3
465
Procedure
465
Lift Tray Horizontal Adjustment of the Trays 1, 2 and 3
466
Procedure
466
Skew Adjustment
467
Pre-Registration Roller Skew Adjustment of the Trays 1, 2 and 3
467
ADU Rear Face Skew Adjustment
468
Separation Pressure Adjustment
469
Separation Pressure Adjustment of the Tray1, 2 and 3
469
Separation Pressure Adjustment of the Bypass Tray
470
Paper Feed Height Adjustment of the Trays 1, 2 and 3
471
Procedure
471
Pick-Up Release Amount Adjustment of the Trays 1, 2 and 3
474
Procedure
474
Troubleshooting
477
12 Jam Code
477
Jam Code List
477
13 Malfunction Code
491
Malfunction Code List
491
14 Parts Layout Drawing
537
Main Body
537
Switch/Sensor
537
Load
547
Boards and Others
558
544
576
Pk-503/Pk-504
576
Appendix
537
15 Connector Layout Drawing
581
Main Body
581
Connector in the Board
581
Connector in the Board
589
Connector in the Board
596
16 Timing Chart
597
Main Body
597
Fs-509
602
Fs-604
603
17 OVERALL WIRING DIAGRAM 17.1 Main Body
613
Main Body
623
Main Body
625
Pk-505
631
18 Paper Setting
637
Paper Type Setting According to the Paper Brand
637
Relationship between the Optimum Paper Type and the Control According to the Paper Brand (U.S.A. Paper)
638
Relationship between the Optimum Paper Type and the Control According to the Paper Brand (European Paper)
639
Conversion Table of Paper Weight
640
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Copier Guide
410 pages
User Manual
970 pages
Network Scanner Operations
178 pages
Brochure & Specs
8 pages
Shortcut Manual
18 pages
Scanner Guide
186 pages
4
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Konica Minolta BIZHUB PRO 920 Specifications
General
Brand
Konica Minolta
Model
BIZHUB PRO 920
Category
All in One Printer
Language
English
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