Epson AcuLaser C2600 Service Manual page 189

EPSON AcuLaser C2600/2600
TROUBLESHOOTING FOR COMPLETE BLANK PAGE 2
No.
The toner is not transported on the Developer Roller in the stopped Toner
1
Cartridge.
The Developer Roller in the stopped Toner Cartridge is not rotating.
2
Developing bias charging failure
3
Engine controller or Main controller failure
4
Troubleshooting
Cause
Printing-quality troubleshooting (PQT)
Check Point
Replace the stopped Toner Cartridge.
Replace the stopped Toner Cartridge.
Check the connection status between the Rotary Drive Motor and the
MCU.
Motor ↔ Drive Board (CN212) ↔ DRV Board (CN210, CN122) ↔
[Harness, Main] ↔ MCU (CN104, CN122)
Replace the Rotary Drive Motor.
Replace the stopped Toner Cartridge.
Check the contact point on the HVPS where outputs developing bias
for any abnormality.
Replace the HVPS.
Replace the Engine controller or Main controller.
Revision B
Defect Parts
Toner cartridge
Toner cartridge
HARNESS, MAIN
BOARD ASSY., DRV C585 DRV
DRIVE ASSY., RT, ASP
Toner cartridge
HIGH VOLTAGE POWER
SUPPLY, EUKMBE925HA
BOARD ASSY., MAIN C585
MCU
BOARD ASSY., MAIN C585
MAIN
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