Epson AcuLaser C2800 - Page 142

AcuLaser C2800/C2800D/C3800/C3800D Revision C
TROUBLESHOOTING Print Quality Trouble FIP 142
Confidential
FIP-P6 VERTICAL LINES APPEAR ON PRINTED PAGES
Before starting troubleshooting, inspect the paper feed path of the printer paper. Check
the paper feed path for metal staples, paper clips, paper scraps, and other foreign
matter.
Symptom / Possible Parts
 Symptom
Vertical black lines appear on the printed image.
 Possible Parts
 IMAGING CARTRIDGE (Y/M/C/K)
 TRANSFER UNIT
 ROS ASSY
 PWBA MCU
 BOARD ASSY, MAIN
Step Check Yes No
1
Check the IMAGING CARTRIDGE (Y/M/
C/K)
Is the specified IMAGING CARTRIDGE (Y/
M/C/K) installed correctly?
Go to Step [2]. Replace the
specified
IMAGING
CARTRIDGE (Y/
M/C/K). (p.271)
2
Check the lines
Do they appear at regular intervals?
(Refer to the table in “3.5.2 Cycle of the Rollers
(p136) ”.)
Replace the
possible parts one
by one.
Go to Step [3].
3
Check the belt surface of the TRANSFER
UNIT
Is the belt surface recessed or deformed?
Replace the
TRANSFER
UNIT. (p.268)
Go to Step [4].
4
Check the installation of the TRANSFER
UNIT
Reinstall the TRANSFER UNIT and make a
test print. Does the printing quality get back to
normal?
End of procedure Go to Step [5].
5
Check the connection of the ROS ASSY
Is the harness of the ROS ASSY securely
connected?
Go to Step [6]. Reconnect the
harness correctly.
6
Check the installation of the IMAGING
CARTRIDGE (Y/M/C/K)
Reinstall the IMAGING CARTRIDGE (Y/M/
C/K) and make a test print. Does the printing
quality get back to normal?
End of procedure Go to Step [7].
7
Check after replacing the ROS ASSY
Replace the ROS ASSY (p.280) and make a test
print. Does the printing quality get back to
normal?
End of procedure Replace the
PWBA MCU.
(p.343)
Step Check Yes No