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2NM/2NX/2NY/2NZ/2P0/2P6

1-5-27

10. Remove two screws.

11. Remove the top tray cover upward.

Figure 1-5-44

12. Pull the connector and FFC from control

PWB out.

13. Pull the connector and FFC out through

the apertures.

14. Remove four screws and then remove

the laser scanner unit upward.

15. Check or replace the laser scanner unit

and refit all the removed parts.

Figure 1-5-45

Screw

Top tray cover

YC15

YC16

Screw

Apertures

Connector

Control PWB

Laser

scanner unit

FFC

Service Manual1
Notation of Products in the Manual2
Revision History3
Safety Precautions5
Safety Warnings and Precautions6
Symbols6
Installation Precautions7
Precautions for Maintenance8
Miscellaneous9
Contents11
Maintenance Mode11
Specifications11
Troubleshooting11
Specifications17
Main Part Appearance21
Parts Names21
A Connector and an Inside22
Option24
Basic Model25
Operation Panel25
Hypas Model26
Machine Cross Section27
Option Composition28
Installation Environment29
Unpacking and Installation30
Install the Paper Feeder (Option)32
Precaution for Carrying the Machine32
Remove the Tapes and Spacer32
Setup of a Toner Container33
Connecting at Network36
Connecting at USB36
Connecting the Cable36
Installing the Waste Toner Box36
Loading Paper37
Before Loading Paper39
Replace the Operation Panel Sheet (Except 240V AC Model)40
Connecting the Power Code41
Setting of the Fuser Pressure Release Lever (40 Ppm Model Only)41
Installing Software42
Power on42
Clearing the Counter (Maintenance Item U927)43
Exit Maintenance Mode43
Output an Own-Status Report (Maintenance Item U000)43
Setting the Country Code (Maintenance Item U600) (with Fax Model Only)43
Installing an Accessories Option44
Installing the SD Card44
Installing the Expansion Memory45
Installing the HD-6/HD-7(SSD)46
Installing the IC Card Reader Holder (50/60 Ppm Model Only)48
Enabling IC Card Authentication51
Executing a Maintenance Item53
Maintenance Mode53
Maintenance Modes Item List54
Contents of the Maintenance Mode Items59
Event Log60
Service Status Page64
Engine Information65
Error Codes70
U001/Exit Mainte70
U002/Set Factory Def70
U004/Machine No.71
U010/Set Mainte ID72
U019/Firm Version73
U021/Init Memory74
U025/Firm Update(S)75
U034/Adj Paper Timing76
U065/Adj Scn79
U066/Table Timing81
U067/Table Center82
U068/DP Scn Start Pos83
U070/Adj DP Motor84
Adjustment: Leading Edge Registration85
U071/DP Timing85
Adjustment: Trailing Edge Registration86
U072/DP Center87
U130/Set Toner Install88
U147/Set Toner Apply89
U201/Init Touch Panel (Hypas Only)90
U203/Chk DP Ope91
Display Description92
U207/Chk Panel Key92
U222/Set IC Card Type93
U250/Mnt Cnt Pre-Set94
U251/Clr Mnt Cnt95
U252/Set Dest96
U253/Sel D/S Count97
U260/Set Count Mode97
U265/Set Model Dest98
U285/Set Svc Sts Page98
U332/Adj Calc Rate99
U339/Chk Drum Heater100
U345/Set Mnt Time Disp101
U346/Slct Sleep Mode102
U402/Adjust Margin103
U403/Scan Margin Tbl104
U404/Scan Margin DP105
U411/Auto Adj Scn106
U425/Set Target110
U520/Set TDRS113
U600/Init All Data115
U601/Init Keep Data117
U603/User Data 1118
U604/User Data 2119
U605/Clr Data119
U610/System Setting 1120
U611/System Setting 2122
U612/System Setting 3123
U620/FAX System124
U625/Set Comm125
U630/Comm Ctrl 1126
U631/Comm Ctrl 2128
U632/Comm Ctrl 3130
U633/Comm Ctrl 4131
Setting the Number of Times of DIS Signal Reception132
Setting the Reference for RTN Signal Output132
U634/Comm Ctrl 5133
U640/Comm Time 1134
Setting: T0 Time out135
Setting: T1 Time out135
U641/Comm Time 2135
Setting: T2 Time out136
Setting: Tb1 Time out136
Setting: Tb2 Time out137
Setting: Tc Time out137
Setting: Td Time out137
U650/Modem 1138
U651/Modem 2139
U660/Set Calls140
Setting: Busy Tone141
Setting: DC Loop141
Setting: PBX Setting141
U670/Output List142
U695/Custom FAX Func143
U699/Set Soft SW144
U901/Clr Paper FD Cnt147
U905/Option Cnt148
U910/Clr Coverage Dat149
U917/R/W Bkup Data150
U920/Chg Cnt152
U927/Clr Chg/Life Cnt153
U928/Life Cnt153
U969/Toner Area Code154
U995/Mem Data Indi154
Executing a Service Mode155
Service Setting156
Description of Service Mode157
Jam Lacation Indicators163
Paper Misfeed Indication163
Machine + PF (Option)164
Paper Misfeed Detection Condition164
List of JAM Code165
First Check Items171
Troubleshooting171
Paper Jam at Feeding from Cassette 1177
Paper Jam at Feeding from Cassette 2 (Paper Feerder)178
Paper Jam at Feeding from Multi Paper Feed179
Paper Jam at the Duplex Re-Feeding Part180
Electrical Parts that Could Cause Paper Jam at the Transfer , the Fuser and the Eject Parts181
Self Diagnostic Codes182
Self-Diagnostic Function182
Check the Control Software and Upgrade189
Check the Control Software and Upgrade to the Latest, if Necessary189
Confirm that the Wiring Connector Is189
Connect Right PWB and Control PWB (YC29)189
If the Wiring Is Disconnected, Shorted or Grounded, Replace the Wiring189
Replace the Control PWB and Check for Correct Operation189
Replace the Main Motor189
- Table of Contents189
- Image Formation Problems205
- Poor Image (Due to DP and Scanner Reading)206
- No Image Appears (Entirely White)207
- DP-Scanning208
- No Image Appears (Entirely Black)209
- Image Is too Light210
- The Background Is Colored212
- White Streaks Are Printed Vertically214
- Black Streaks Appear Longitudinally216
- Streaks Are Printed Horizontally218
- One Side of the Print Image Is Darker or Brighter than the Other220
- Black Dots Appear on the Image222
- Image Is Blurred223
- The Leading Edge of the Image Is Consistently Misaligned with the Original225
- Part of Image Is Missing226
- Image Is out of Focus228
- Image Center Does Not Align with the Original Center230
- Moires231
- Skewed Image232
- Abnormal Image233
- Poor Image (Image Rendering Problems: Printer Engine)234
- Uneven Density Longitudinally245
- Uneven Density Horizontally246
- Offset Occurs248
- Image Is Partly Missing249
- Poor Grayscale Reproducibility250
- Unevenly Repeating Horizontal Streaks in the Printed Objects. Spots in the Printed Objects251
- Image Is Blurred (Shifted Transferring)252
- Paper Is Wrinkled254
- Fusing Is Loose255
- Dirty Paper Edges with Toner256
- Dirty Reverse Side of Paper257
- Electric Problems258
- Mechanical Problems265
- Scan to SMB Error Codes267
- Send Error Code267
- Scan to FTP Error Codes268
- Scan to E-Mail Error Codes270
- Error Codes272
- Table of General Classification273
- U004XX Error Code Table: Interrupted Phase B276
- U006XX Error Code Table: Problems with the Unit277
- U008XX Error Code Table: Page Transmission Error277
- U009XX Error Code Table: Page Reception Error277
- U010XX Error Code Table: G3 Transmission278
- U011XX Error Code Table: G3 Reception280
- U017XX Error Code Table: V.34 Transmission281
- U018XX Error Code Table: V.34 Reception282
- U023XX Error Code Table: Relay Command Abnormal Reception282
- U044XX Error Code Table: Encrypted Transmission282
- Drum Unit283
- Precautions for Assembly and Disassembly283
- Toner283
- How to Tell a Genuine Kyocera Toner Container284
- Cassette Paper Feed Section285
- Component Formation285
- Control Block Diagram286
- Detaching and Refitting the Primary Paper Feed Unit and the Pickup Roller287
- Detaching and Refitting the Retard Roller287
- MP Tray Paper Feed Section289
- Detaching and Refitting the MP Paper Feed Pulley291
- Conveying Section294
- Image Scanner Section296
- Optical Section296
- Detaching and Refitting the Exposure Lamp298
- Detaching and Refitting the Image Scanner Unit302
- Laser Scanner Section305
- Detaching and Refitting the Laser Scanner Unit307
- Develolper Unit310
- Developer Section310
- Detaching and Refitting the Developer Unit312
- Chager Roller Unit314
- Drum Section314
- Detaching and Refitting the Drum Unit316
- Cleaning Unit317
- Transfer/Separation Section318
- Detaching and Refitting the Transfer Roller320
- Detaching and Refitting the Separation Needle Holder321
- Fuser and Eject/Feedshift Section322
- 40 Ppm Model324
- Detaching and Refitting the Fuser Uni326
- Eject Section330
- Detaching and Refitting the Eject Unit334
- Duplex Conveying Section344
- Detaching and Refitting the Duplex Conveying Unit346
- Document Processer354
- Original Feed Section354
- Detaching and Refitting DP Paper Feed Roller or DP Pickup Pulley356
- Detaching and Refitting the DP Separation Pad358
- Original Conveying Section and Switchback/Eject Section359
- Detaching and Refitting the DP Switchback Motor361
- Detaching and Refitting the DP Paper Feed Motor and the DP Conveying Motor362
- Detaching and Refitting the DP Unit364
- Covers365
- Detaching and Refitting the Inlet Cover and the Interface Slot Cover367
- Detaching and Refitting the Right Stay Cover367
- Detaching and Refitting the Left Upper Cover368
- Detaching and Refitting the Right Upper Cover368
- Detaching and Refitting the Center Stay Cover369
- Detaching and Refitting the Front Right Cover369
- Detaching and Refitting the Top Tray Cover370
- Detaching and Refitting the Rear Left Cover373
- Detaching and Refitting the Right Lower Cover373
- Detaching and Refitting the Left Lower Cover374
- Detaching and Refitting the Left Middle Cover and the Waste Toner Box Cover374
- Detaching and Refitting the Rear Cover375
- Detaching and Refitting the Main Driving Motor Unit376
- Detaching and Refitting the Paper Feed Driving Motor Unit377
- Detaching and Refitting the Language Sheets378
- Detaching and Refitting the FAX Control PWB (FAX Model Only)380
- Direction of Installing the Principal Fan Motors381
- Pwbs383
- List of Correspondences of PWB Names385
- Switches and Sensors387
- Motors390
- List of Correspondences of Motor Names391
- Upgrading the Firmware395
- Connector Position397
- Control PWB (CONPWB)397
- PWB Photograph397
- Connector Lists398
- Detaching and Refitting the PWB. (CONPWB)406
- Remarks on Control PWB Replacement409
- Connect Left PWB (CLPWB)411
- Detaching and Refitting the PWB. (C-LPWB)414
- Connect Right PWB (CRPWB)421
- Detaching and Refitting the PWB. (CRPWB)425
- High Voltage PWB (HVPWB)428
- Detaching and Refitting the PWB. (HVPWB)430
- Power Source PWB (PSPWB)440
- Detaching and Refitting the PWB. (PSPWB)442
- Operation Panel PWB (OPPWB) for Hypas Model446
- Detaching and Refitting the PWB. (OPPWB)450
- Operation Panel PWB (OPPWB) for Basic Model452
- Appendixes455
- List of Maintenance Parts455
- Maintenance Kits456
- Repetitive Defects Gauge457
- Firmware Environment Commands458
- Using FRPO Commands for Reprogramming the Firmware458
- Chart of Image Adjustment Procedures467
- Image Quality469
- Wiring Diagram (40 Ppm (LED Model))470
- Wiring Diagram (40 Ppm (Hypas Model))473
- Wiring Diagram (50/60 Ppm (Hypas Model))476
- Adjustment of Paper Size480
- Installation Guide480
- Removing Paper Jams481

Brand	Kyocera
Model	ECOSYS M3540dn
Category	All in One Printer
Language	English

Kyocera ECOSYS M3540dn Service Manual

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