Epson SEPG04002 1, 2, 3, 4, 7

EPSON AcuLaser C1100 Revision B
TROUBLESHOOTING Printing Quality-related Trouble 252
FIP-P6 Vertical Black Lines
Before starting troubleshooting, inspect the feed path of the printer paper. Check the
paper feed path for metal staples, paper clips, paper scraps, and other foreign matter.
Problems
Vertical (along the paper feed direction) black
lines appear on printout.
ESS and possible parts that caused the error
2ND BTR ASSY
Photoconductor Unit
ROS ASSY
PWBA MCU
FUSER ASSY
HOUSING ASSY-GUIDE AD
PWBA ESS
500 FEEDER ASSY OPTION
Step Check Yes No
1Check of Rollers on the paper feed path
Are Rollers on the paper feed path normal
without any dirt, damage or wear?
Go to Step [3]. After cleaning
or replacing the
relevant Rollers,
go to step [2].
2Execution of a test print
Make a test print of the problem image.
Is the image printed normally?
End of
procedure Go to Step [3].
3Check of 2ND BTR ASSY
Remove 2ND BTR ASSY. (p.348)
Is 2ND BTR ASSY normal without any dirt,
damage or wear?
Go to Step [4]. Replace 2ND
BTR ASSY
(p.348)
4Check after replacement of
Photoconductor Unit
Replace Photoconductor Unit.
Make a test print of the problem image.
Is the image printed normally?
End of
procedure Go to Step [5].
5Check after replacement of ROS ASSY
Replace ROS ASSY. (p.375)
Make a test print of the problem image.
Is the image printed normally?
End of
procedure Go to Step [6].
6Check after replacement of PWBA MCU
Replace PWBA MCU. (p.404)
Make a test print of the problem image.
Is the image printed normally?
End of
procedure Go to Step [7].
7Check of Heat Roll and Pressure Roll
Allow FUSER ASSY to cool down
before performing work.
Remove FUSER ASSY. (p.388)
Turn the Gear by hand, and inspect Heat Roll
and Pressure Roll.
Are Heat Roll and Pressure Roll scratched or
dirty and damaged?
Replace FUSER
ASSY. (p.388)
Replace “ESS
and possible
parts that caused
the error”.
Step Check Yes No
WARNING