Epson AcuLaser C2900N Service Manual page 173

Chapter 1 Troubleshooting
Step
Checking the TRANSFER ASSY for connection.
Open the COVER ASSY FRONT.
Are four HV terminals on the TRANSFER ASSY, and four
springs on the frame (PL4.1.11, 12, 13 and 14) dirty and/or
deformed?
5
Checking the DRUM CARTRIDGE for connection.
Remove the DRUM CARTRIDGE.
Are five HV terminals on the DRUM CARTRIDGE, and five
springs on the frame (PL4.1.10 and PL4.1.15 to 18) dirty
and/or deformed?
6
Checking after replacing the DRUM CARTRIDGE.
7 Replace the DRUM CARTRIDGE. (Refer to RRP4.6.)
Is the image printed correctly?
Checking after replacing the TRANSFER ASSY.
8 Replace the TRANSFER ASSY. (Refer to RRP6.3.)
Is the image printed correctly?
Checking after replacing the ROS ASSY.
9 Replace the ROS ASSY. (Refer to RRP4.1.)
Is the image printed correctly?
Epson AcuLaser C2900N
Check
1 - 160
Remedy
Yes
Clean or replace
the TRANSFER
Go to step 6.
ASSY or
SPRING(s).
Clean and/or
replace the DRUM
Go to step 7.
CARTRIDGE or
SPRING(s).
End of work. Go to step 8.
End of work. Go to step 9.
Replace the
End of work. PWBA HVPS.
(Refer to RRP4.5.)
Revision B
No
Confidential