EPSON AcuLaser C2600/2600
Revision B
Troubleshooting
Printing-quality troubleshooting (PQT)
188
TROUBLESHOOTING FOR COMPLETE BLANK PAGE 1
No.
Cause
Check Point
Defect Parts
1
Video signal line is not connected to the LSU.
Check the connection status between the LSU, the MCU and the
controller.
HARNESS, LSU
HARNESS, MAIN, SIGNAL
LSU
↔
Harness, LSU
↔
MCU (CN120)
↔
Harness on the Main
Board, Signal
↔
Controller (CN252)
2
There is a dirt or foreign material on the laser path between the LSU and the
OPC.
Clean the exposure window.
---
Check the laser path between the exposure window and the
Photoconductor drum for any dirt or foreign material.
3
The electric charge wire for the drum are broken.
Replace the Photoconductor Unit.
Photoconductor unit
4
The black toner is not transported on the Developer Roller in the K Toner
Cartridge.
Replace the K Toner Cartridge.
Toner cartridge (Black)
5
The Developer Roller in the K Toner Cartridge is not rotating.
Replace the K Toner Cartridge.
Toner cartridge (Black)
STEPPING MOTOR ASSY., DV
HARNESS, DR, DV
BOARD ASSY., DRV C585 DRV
HARNESS, MAIN
Check the connection status between the Developer Motor and the
MCU.
Motor
↔
[Harness, Drive, Developer]
↔
DRV Board (CN211)
↔
[Harness, Main]
↔
MCU (CN104)
Replace the Developer Motor.
6
Developing bias charging failure
Replace the K Toner Cartridge.
Toner cartridge (Black)
HIGH VOLTAGE POWER
SUPPLY, EUKMBE925HA
Check the contact point on the HVPS where outputs developing bias
for any abnormality.
Replace the HVPS.
7
The lock lever of the Photoconductor Unit is still set in transporting position.
Set the lever to the lock position.
---
8
Primary transfer bias charging failure
Check the primary transfer electrode roller for any dirt.
TRANSFER UNIT, Assy., ASP
HARNESS, HV, 1ST TRANSFER
HIGH VOLTAGE POWER
SUPPLY, EUKMBE925HA
Check the connection status between the HVPS and the primary
transfer electrode roller.
HVPS
↔
[Harness, HV, Primary Transfer]
↔
Transfer Unit
Replace the Transfer Unit.
Replace the HVPS.
9
Engine controller or Main controller failure
Replace the Engine controller or Main controller.
BOARD ASSY., MAIN C585
MCU
BOARD ASSY., MAIN C585
MAIN
Summary of Contents for Aculaser 2600 Series
Page 1: ...EPSON AcuLaserC2600 2600 A4 Full Color Laser Printer SERVICE MANUAL SEPG04005 ...
Page 12: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 85: ...C H A P T E R 2 OPERATINGPRINCIPLE ...
Page 141: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 209: ...EPSON AcuLaser C2600 2600 Revision B Troubleshooting Test Print 209 PRINTED PATTERN 03003101 ...
Page 210: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Page 364: ...C H A P T E R 5 ADJUSTMENT ...
Page 384: ...C H A P T E R 6 MAINTENANCE ...
Page 410: ...C H A P T E R 7 APPENDIX ...
Page 437: ...EPSON AcuLaser C2600 2600 Revision B APPENDIX Exploded Diagrams 437 7 4 Exploded Diagrams ...
Page 450: ...Model AcuLaser C2600 AcuLaser 2600 Board C585 MAIN Sheet 1 of 5 Rev B ...
Page 451: ...Model AcuLaser C2600 AcuLaser 2600 Board C585 MAIN Sheet 2 of 5 Rev A ...
Page 452: ...Model AcuLaser C2600 AcuLaser 2600 Board C585 MAIN Sheet 3 of 5 Rev A ...
Page 453: ...Model AcuLaser C2600 AcuLaser 2600 Board C585 MAIN Sheet 4 of 5 Rev B ...
Page 454: ...Model AcuLaser C2600 AcuLaser 2600 Board C585 MAIN Sheet 5 of 5 Rev B ...