Kyocera TASKalfa 250ci - Engine PWB View

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2JZ/2JX/2JV/2H7-1

2-3-7

Engine PWB

Main Page

Service Manual1
Revision History3
Safety Precautions5
Symbols6
Installation Precautions7
Precautions for Maintenance8
Miscellaneous9
Contents11
Table of Contents12
Specifications15
Parts Names18
Body View18
Operation Panel View21
Machine Cross Section22
Installation Dimensions23
Installation Environment23
Installation Procedure24
Unpacking and Installation24
Moving the Machine25
Unpacking26
Removing the Protective Sheet and A3 Paper27
Removing the Eject Spacer and Silica Gel28
Removing the Tapes28
Installing the Paper Feeder (Option)28
Release of Lift Plate Stopper29
Installing the Toner Containers29
Installing the Waste Toner Box30
Loading Paper31
Install Other Optional Devices32
Release the Scanner Lever Holding the Mirror 1 and 2 Frames32
Installing the Original Platen or DP (Option)32
Connecting the Cassette Heater33
Connecting the Power Cord33
Adjusting the Image34
Performing Drum Refreshing34
Adjusting the Halftone Automatically (Maintenance Item U410)34
Output Status Report34
Setting Initial Copy Modes35
Installing the Key Counter (Option)36
Supplied Parts of Key Counter Set36
Supplied Parts of Key Counter Wire Set36
Executing a Maintenance Item45
Maintenance Mode45
Maintenance Mode Item List46
Contents of Maintenance Mode Items53
U000 Outputting an Own-Status Report53
Event Log53
Detail of Event Log54
Paper Jam Log54
Cause of Paper Jam (Hexadecimal)54
Detail of Paper Source (Hexadecimal)55
Detail of Paper Size (Hexadecimal)55
Detail of Paper Exit Location (Hexadecimal)56
Service Call Log56
Counter Log57
Unknown Toner Log57
Maintenance Log57
Service Status Page58
Engine Information59
Detail of Service Status Page60
U001 Exiting the Maintenance Mode62
U002 Setting the Factory Default Data63
U004 Setting the Service Telephone Number63
U004 Setting the Machine Number63
U019 Displaying the ROM Version64
U021 Memory Initializing65
U024 HDD Formatting65
U030 Checking the Operation of the Motors66
U031 Checking Switches and Sensors for Paper Conveying67
U032 Checking the Operation of the Clutches68
U033 Checking the Operation of the Solenoids68
U034 Adjusting the Print Start Timing69
Center Line Adjustment71
U035 Setting the Printing Area for Folio Paper72
U037 Checking the Operation of the Fan Motors72
U051 Adjusting the Deflection in the Paper73
U051 When [Set Paper Loop Amount BW] Is Selected74
U052 Setting the Fuser Motor Control75
U053 Setting the Adjustment of the Motor Speed76
U053 Setting: [Set MOTOR3] - [Set MOTOR6]77
U059 Setting Fan Mode78
U061 Checking the Operation of the Exposure Lamp79
U063 Adjusting the Shading Position79
U065 Adjusting the Scanner Magnification80
U066 Adjusting the Scanner Leading Edge Registration81
U067 Adjusting the Scanner Center Line82
U068 Adjusting the Scanning Position for Originals from the DP83
U070 Adjusting the DP Magnification84
U071 Adjusting the DP Scanning Timing85
U071 Adjustment: Trailing Edge Registration86
U072 Adjusting the DP Center Line87
U073 Checking the Scanner Operation88
U080 Setting the Economy Mode89
U081 Adjusting the Correct Exposure89
U087 Setting DP Reading Position Modification Operation90
U089 Outputting the MIP-PG Pattern90
U091 Setting the White Line Correction91
U093 Adjusting the Exposure Density Gradient92
U099 Adjusting Original Size Detection94
U100 Adjusting Main High Voltage95
U101 Setting the Voltage for the Primary Transfer97
U106 Setting the Voltage for the Secondary Transfer98
U107 Setting the Transfer Cleaning Voltage102
U108 Setting Separation Shift Bias104
U109 Checking the Drum Type105
U110 Checking the Drum Count105
U111 Checking the Drum Drive Time106
U117 Checking the Drum Number106
U118 Displaying the Drum History107
U119 Setting the Drum107
U122 Checking the Transfer Belt Unit Number107
U127 Checking the Transfer Count108
U123 Displaying the Transfer Belt Unit History108
U128 Setting Transfer High-Voltage Timing109
U130 Initial Setting for the Developing Unit109
U131 Adjusting the Toner Sensor Control Voltage110
U132 Replenishing Toner Forcibly111
U135 Checking Toner Motor Operation111
U136 Setting Toner Near End Detection112
U139 Displaying the Temperature and Humidity Outside the Machine112
U140 Displaying Developing Bias113
U147 Setting for Toner Applying Operation117
U148 Setting Drum Refresh Mode119
U155 Displaying the Toner Sensor Output120
U156 Setting the Toner Replenishment Level121
U157 Checking the Developing Drive Time122
U158 Checking the Developing Count122
U161 Setting the Fuser Control Temperature123
U163 Resetting the Fuser Problem Data123
U167 Checking/Clearing the Fuser Count123
U199 Displaying Fuser Heater Temperature124
U200 Turning All Leds on124
U201 Initializing the Touch Panel124
U202 Setting the KMAS Host Monitoring System125
U203 Operating the DP Separately125
U204 Setting the Presence or Absence of a Key Card or Key Counter125
U206 Setting the Presence or Absence of the Coin Vender126
U207 Checking the Operation Panel Keys126
U208 Setting the Paper Size for the Paper Feeder126
U220 Setting the Trial Functions127
U221 Setting the USB Host Lock Function128
U223 Operation Panel Lock128
U224 Panel Sheet Extension129
U234 Setting Punch Destination129
U237 Setting Finisher Stack Quantity130
U240 Checking the Operation of the Finisher131
U241 Checking the Operation of the Switches of the Finisher133
U243 Checking the Operation of the DP Motors135
U244 Checking the DP Switches135
U245 Checking Messages136
U246 Setting the Paper Ejection Device137
U247 Setting the Paper Feed Device141
U251 Checking/Clearing the Maintenance Count142
U250 Change the Maintenance Count Pre-Set142
U252 Setting the Destination143
U253 Switching between Double and Single Counts144
U260 Selecting the Timing for Copy Counting144
U265 Setting OEM Purchaser Code145
U276 Setting the Copy Count Mode145
U284 Setting 2 Color Copy Mode145
U285 Setting Service Status Page146
U325 Setting the Bias between Pages146
U326 Setting the Black Line Cleaning Indication147
U327 Setting the Cassette Heater ON/OFF147
U328 Side Ejection Setting148
U332 Setting the Size Conversion Factor148
U341 Specific Paper Feed Location Setting for Printing Function148
U343 Switching between Duplex/Simplex Copy Mode149
U345 Setting the Value for Maintenance Due Indication149
U402 Adjusting Margins of Image Printing150
U403 Adjusting Margins for Scanning an Original on the Contact Glass151
U404 Adjusting Margins for Scanning an Original from the DP152
U407 Adjusting the Leading Edge Registration for Memory Image Printing153
U410 Adjusting the Halftone Automatically154
U411 Adjusting the Scanner Automatically155
U411 Error Codes157
U412 Adjusting the Uneven Density158
U425 Setting the Target159
U429 Setting the Offset for the Color Balance162
U432 Setting the Center Offset for the Exposure163
U464 Setting the ID Correction Operation164
U465 Data Reference for ID Correction167
U467 Setting the Color Registration Adjustment168
U468 Checking the Color Registration Data169
U470 Setting the JPEG Compression Ratio170
U473 Adjusting Laser Power Output171
U474 Checking LSU Cleaning Operation173
U485 Setting the Image Processing Mode173
U486 Setting Color/Black and White Operation Mode174
U510 Setting the Enterprise Mode174
U901 Checking Copy Counts by Paper Feed Locations175
U902 Checking/Clearing Finisher Punch Count175
U903 Checking/Clearing the Paper Jam Counts176
U904 Checking/Clearing the Call for Service Counts176
U905 Checking Counts by Optional Devices177
U911 Checking/Clearing Copy Counts by Paper Sizes178
U906 Resetting Partial Operation Control178
U910 Clearing the Coverage Data178
U908 Checking the Total Counter Value178
U917 Setting Backup Data Reading/Writing179
U917 Error Codes180
U920 Checking the Copy Counts181
U927 Clearing the All Copy Counts and Machine Life Counts (One Time Only)181
U928 Checking Machine Life Counts181
U930 Checking/Clearing the Charger Roller Count182
U942 Setting of Deflection for Feeding from DP182
U977 Data Capture Mode183
U984 Checking the Developing Unit Number183
U989 HDD Scandisk184
U985 Displaying the Developing Unit History184
U990 Checking/Clearing the Time for the Exposure Lamp to Light185
U991 Checking the Scanner Operation Count185
Management Mode186
Common Settings187
Default Screen187
Sound187
Paper Weight187
Density188
Paper Source for Cover Paper188
Continuous Scan188
Special Paper Action188
Repeat Copying189
Ecoprint189
Auto Image Rotation189
File Name Entry189
Copy Settings190
Quick Setup Registration190
Sending Settings190
Border Erase for Back Page190
Setting of Alternative Emulation191
Printer Settings191
Printing Reports/Sending Notice191
Emulation191
Adjustment/Maintenance192
Copy Density Adjustment192
Display Brightness192
Auto Color Correction192
Setting the Color Calibration Cycle193
Gray Adjustment193
Detailed Settings193
Color Calibration194
Developer Refresh194
Laser Scanner Cleaning194
Date/Timer194
Editing Destination (Address Book/Adding One Touch Keys)195
Adding a Group195
Editing a Destination195
Editing One Touch Key195
Destination Filter Settings196
Proxy Settings196
Applications196
Internet Browser Setup196
System Settings197
Network Setup197
Prefix Length Settings197
Appletalk Setup197
Network Security198
Interface Block Setting198
Security Level (Security Level Setting)198
Starting Application Use198
Changing User Properties199
Unknown Login User Name Job199
Job Accounting199
User Login Administration199
Managing Accounts200
Managing the Copier/Printer Counts200
Each Job Accounting/Resetting the Counter200
Printing an Accounting Report200
Paper Misfeed Detection201
Paper Misfeed Indication201
Paper Misfeed Detection Conditions202
System Section203
Paper Feed Section (Problems Solving)203
Paper Conveying Section205
Fuser Section205
Duplex Section206
Optional DP206
Feed-Shift Section206
Eject Section206
Optional Finisher208
Paper Misfeeds212
Self-Diagnosis224
List of System Errors224
Partial Operation Control225
Measures against the Service Codes Detecting Fuser Problems226
Self Diagnostic Codes227
Codes C0030 - C0620227
Codes C0630 - C0870228
Codes C0880 - C1020229
Codes C1030 - C1110230
Codes C1120 - C1400231
Codes C1800 - C2101232
Codes C2102 - C2203233
Codes C2204 - C2214234
Codes C2231 - C2241235
Codes C2242 - C2262236
Codes C2263 - C2273237
Codes C2274 - C2351238
Codes C2352 - C2500239
Codes C2550 - C2810240
Codes C2950 - C3210241
Codes C3300 - C4010242
Codes C4100 - C6000243
Codes C6010 - C6120244
Codes C6130 - C6410245
Codes C7000 - C7104246
Codes C7200 - C7403247
Codes C7404 - C7800248
Codes C7901 - C7911249
Codes C7912 - C8020250
Codes C8030 - C8060251
Codes C8070 - C8140252
Codes C8170 - C8220253
Codes C8230 - C8310254
Codes C8320 - C8330255
Codes C8340 - C8360256
Codes C8440 - C8900257
Codes C8910 - C9050258
Codes F000 - F090259
Codes C9060 - C9550259
Image Formation Problems260
No Image Appears (Entirely White)261
No Image Appears (Entirely Black)261
Dirty on the Back Side262
Image Is too Light262
The Background Is Colored263
A White Line Appears Longitudinally263
A Line Appears Longitudinally263
A Line Appears Laterally264
One Side of the Copy Image Is Darker than the Other264
Dots Appear on the Image264
The Leading Edge of the Image Is Consistently Misaligned with the Original264
Offset Occurs265
The Leading Edge of the Image Is Sporadically Misaligned with the Original265
Paper Creases265
Fusing Is Poor266
Image Is out of Focus266
Image Is Partly Missing266
Colors Are Printed Offset to each Other267
Image Center Does Not Align with the Original Center267
Electric Problems268
Mechanical Problems275
Precautions for Assembly and Disassembly277
- How to Tell a Genuine Kyocera Mita Toner Container278
- Removing the Primary Paper Feed Unit279
- Removing the Forwarding Pulley279
- Detaching and Refitting the Forwarding, Paper Feed and Separation Pulleys279
- Paper Feed Section279
- Removing the Paper Feed Pulley280
- Removing the Separation Pulley280
- Detaching and Refitting the MP Unit282
- Detaching and Refitting the MP Forwarding, MP Paper Feed and MP Separation Pulleys284
- Removing the MP Separation Pulley285
- Detaching and Refitting the Exposure Lamp287
Optical Section287
- Detaching and Refitting the Scanner Wires291
- Fitting the Scanner Wires292
- Detaching and Refitting the ISU (Reference)295
- Detaching and Refitting the Laser Scanner Unit297
- Manual Color Registration Adjustment304
- If Manual Color Registration Has Failed305
- Detaching and Refitting the Image Formation Holder306
Image Formation Section306
- Detaching and Refitting the Developing Unit310
- Detaching and Refitting the Drum Unit311
- Detaching and Refitting the Charger Roller Unit312
- Detaching and Refitting the Transfer Belt Unit313
Transfer Section313
- Detaching and Refitting the Transfer Roller315
- Fuser Section: Detaching and Refitting the Fuser Unit317
- Detaching and Refitting the Left Filter, Rear Upper Filter 1/2, Right Filter, Rear Lower Filter, Front Filter and Duct Filter318
- Detaching and Refitting the Hard Disk Unit320
- Detaching and Refitting the Left Cover 1 (Paper Conveying Unit)323
Upgrading the Firmware329
Remarks on Main PWB Replacement330
Remarks on Engine PWB Replacement333
- Cassette Paper Feed Section335
- Cassette Paper Feed Section Block Diagram (40/40, 50/40 Ppm Model)336
- Cassette Paper Feed Section Block Diagram (25/25, 30/30 Ppm Model)337
- MP Tray Paper Feed Section338
- MP Tray Paper Feed Section Block Diagram339
- MP Tray Paper Feed Section Diagram (2)340
- MP Tray Paper Feed Section Block Diagram (2)340
Drum Section341
Drum Section Block Diagram342
Developing Section343
- Developing Section Block Diagram344
- Image Scanner Section345
- Optical Section Overview345
- Image Scanner Section Block Diagram346
- Laser Scanner Section347
- Laser Scanner Section Block Diagram348
- Primary Transfer Section349
Transfer/Separation Section349
- Primary Transfer Section Block Diagram350
- Secondary Transfer/Separation Section351
- Secondary Transfer /Separation Section Block Diagram351
- Fuser Section Overview352
- Fuser Section Block Diagram353
Eject/Feedshift Section354
- Eject/Feedshift Section Block Diagram355
- Duplex Section Overview356
- Duplex Section Block Diagram357
- Pwbs Layout359
Electrical Parts Layout359
- List of Correspondences of PWB Names361
- Switches and Sensors Layout362
- Motors Layout364
- Other Electrical Parts Layout366
- Power Source PWB Silk-Screen Diagram369
- Power Source PWB View370
- Power Source PWB Table371
- Engine PWB Silk-Screen Diagram374
- Engine PWB View375
- Connectors YC2 - YC6376
- Engine PWB Table376
- Connectors YC7, YC8378
- Connectors YC9 - YC10379
- Connectors YC10 - YC12380
- Connector YC13381
- Connector YC14, YC15382
- Connector YC16383
- Connector YC18384
- Connector YC19, YC20385
- Connectors YC20 - YC22386
- Connectors YC23 - YC25387
- Connectors YC25 - YC27388
- Connectors YC27 - YC28389
- Connectors YC30 - YC39390
- Main PWB Silk-Screen Diagram391
- Main PWB View392
- Main PWB Table393
- Main Front PWB View and Silk-Screen Diagram401
- Main Front PWB Table402
- Sub Front PWB View and Silk-Screen Diagram405
- Sub Front PWB Table406
- Feed PWB and Silk-Screen Diagrams409
- Feed PWB Views410
- Feed PWB Table411
- ISM PWB View and Silk-Screen Diagram416
- Main Operation PWB View and Silk-Screen Diagram419
- Main Operation PWB Table420
- Maintenance Parts List423
- Maintenance Kits (25/25, 30/30 Ppm Models)424
- Maintenance Kits (40/40, 50/40 Ppm Models)425
- Periodic Maintenance Procedures426
  - Chart of Image Adjustment Procedures429
  - Wiring Diagram No.1431
  - Wiring Diagram No.2432
  - Wiring Diagram No.3 (40/40, 50/40 Ppm Model)433
  - Wiring Diagram No.3 (25/25, 30/30 Ppm Model)434
  - Wiring Diagram No.4435
  - Wiring Diagram No.5 (40/40, 50/40 Ppm Model)436
  - Wiring Diagram No.5 (25/25, 30/30 Ppm Model)437
  - Wiring Diagram No.6438
  - Wiring Diagram No.7439
  - Wiring Diagram No.8440
  - Wiring Diagram No.9441
  - Installation Guide for Document Processor442
  - Supplied Parts443
  - Attach the Fixing Fitting444
  - Document Processor Installation Procedure444
  - Install the DP444
  - Install the Angle Control Fitting445
  - Installing the DP Relay PCB (for DP-760 Only)447
  - Installing the Gasket (for DP-760 Only)448
  - Connect the Signal Lines449
  - Fasten the Original Mat450
  - Adhere the Label (Except for 100 V Models)451
  - Document Processor Operation Check452
  - To Adjust the Document Processor in the Following Order453
  - Checking the Angle of Leading Edge454
  - Adjusting the DP455
  - Checking the Angle of Trailing Edge457
  - To Adjust the DP458
  - Adjusting the DP Magnification460
  - Checking the Magnification460
  - Adjusting the DP Leading Edge Timing462
  - Checking the Leading Edge Timing462
  - Checking the Center Line464
  - Adjusting the DP Center Line465
  - Automatic Adjustment Using the Original for Adjustment467
  - Installation Guide for Paper Feeder469
  - Paper Feeder: Supplied Parts470
  - Precaution for Unpacking470
  - Paper Feeder Installation Procedure471
  - Checking the Center Line (Paper Feeder)475
  - Adjusting the Center Line (Paper Feeder)476
  - Installation Guide for 3000 Sheets Paper Feeder477
  - Supplied Parts (3000 Sheets Paper Feeder)478
  - 3000 Sheets Paper Feeder Installation Procedure479
  - Setting the Paper Size482
  - Checking the Center Line (3000 Sheets Paper Feeder)485
  - Adjusting the Center Line (3000 Sheets Paper Feeder)486
  - Adjusting the Front Cover Position487
  - Installation Guide for Document Finisher488
  - Supplied Parts (Document Finisher)489
  - Document Finisher Installation Document490
  - Fitting and Adjusting the Guide Rail494
  - Adjusting the Height of the Document Finisher496
  - Connecting the Signal Cable498
  - Document Finisher Operation Check498
  - Installation Guide for 3000 Sheets Document Finisher499
  - Supplied Parts (3000 Sheets Document Finisher)500
  - 3000 Sheets Document Finisher Installation Procedure502
  - Precautions (3000 Sheets Document Finisher)502
  - Removing the Slider Fixing Pin503
  - Installing the Internal Tray Cover504
  - Removing the Fittings504
  - Installing the Fixing and Connecting Plates505
  - Installing the Staple Cartridge505
  - Removing the Fixing Pin505
  - Installing the Base Slider When Using Two Paper Feeders of 500 Sheets506
  - Installing the Base Slider When the Paper Feeder of 3000 Sheets Is Used508
  - Removing the Cover511
  - Installing the Assembly Base512
  - Installing the Cover513
  - Installing the Trays513
  - Installing the Sponge514
  - Installing the Document Finisher and the MFP515
  - Adjusting the Document Finisher Height516
  - Connecting the Signal Line518
  - Checking the Curl519
  - Checking the Curl if the Ejected Paper Is Tightly Curled Face-Down520
  - Checking the Curl if the Ejected Paper Is Tightly Curled Face-Up521
  - Installation Guide for Center-Folding Unit522
  - Supplied Parts (Center-Folding Unit)523
  - Center-Folding Unit Installation Procedure524
  - Removing the Cover (Center-Folding Unit)524
  - Installing the Back Cover525
  - Removing the Back Cover525
  - Removing the Reinforcing Plate525
  - Reassembling the Covers526
  - Removing the Divided Part526
  - Installing the Slider527
  - Installing the Center-Folding Unit528
  - Installing the Cover Handle Saddle528
  - Installing Covers529
  - Installing the Douser530
  - Installing the Folding Tray530
  - Reinstalling the Cover530
  - Adhering the Label531
  - Checking Staple Position531
  - Adjusting Staple Position532
  - Checking Centerfold Position (Center-Folding Unit)533
  - Adjusting Centerfold Position (Center-Folding Unit)534
  - Installation Guide for Mailbox536
  - Supplied Parts (Mailbox)537
  - Mailbox Installation Procedure538
  - Installation Guide for Hole Punch Unit543
  - Supplied Parts (Hole Punch Unit)544
  - Hole Punch Unit Installation Procedure545
  - Removing the Cover (Hole Punch Unit)545
  - Installing the Guide546
  - Installing the Hole Punch Unit546
  - Removing the Guide Plate546
  - Connecting the Connector (120V/220V/230V/240V Models Only. Except for Swedish Specification)547
  - Installing the Punch PCB547
  - Installing the Waste Hole Punch Box547
  - Installing the Cover (Hole Punch Unit)549
  - Checking the Center of the Punch Hole550
  - Centering Punch-Holes551
  - Adjusting Distance from Leading Edge to the Punch Holes553
  - Checking Distance from Leading Edge to the Punch Holes553
  - Installation Guide for Job Separator555
  - Supplied Parts (Job Separator)556
  - Job Separator Installation Procedure557
  - Remove the Left Front Cover (Job Separator)557
  - Attach the Retainer558
  - Remove the Copy Cover558
  - Attach the Copy Tray559
  - Attach the Job Separator559
  - Attaching the Upper Left Cover JS560
  - Assemble the Left Front Cover JS562
  - Attach the Left Front Cover JS563
  - Job Separator Operation Check564
  - Installation Guide for Fax System (Q)565
  - Supplied Parts (Fax System (Q))567
  - Fax System (Q) Installation Procedure568
  - Precautions (Fax System (Q))568
  - Install the FAX Circuit Board569
  - Remove the Cover (Fax System (Q))569
  - Connect the MFP to the Telephone Line570
  - Install the Ferrite Core570
  - Connect the MFP to the Separate Phone (Except for New Zealand Model)571
  - Install the Ferrite Core (Telephone Line of the Separate Phone)571
  - Attach the Alphabet Labels572
  - Seal the Terminal (for New Zealand Model)572
  - Attach the FAX Operation Section Label573
  - Attach the JATE Label (for 100 V Model Only)574
  - Attach the Approval Label (for Australian/New Zealand Model Only)575
  - Install the Dual FAX575
  - Install the FAX Circuit Board (Fax System (Q))576
  - Remove the Cover576
  - Connect the MFP to Telephone Line577
  - Install the Ferrite Core (for 110 V/230 V/New577
  - Seal the Terminal577
  - Zealand Models Only)577
  - Initialize the FAX Circuit Board578
  - Installation Guide for DT-710579
  - Installation Guide for Duct Unit582

Kyocera TASKalfa 250ci - Engine PWB View

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