EPSON AcuLaser CX11/CX11F Revision B
TROUBLESHOOTING Printer 277
FIP-P22 Vertical White Lines
(Locations of the lines are different between Y, M, C and K)
 Problems
Vertical white lines appear on each of C, M and Y printout printed in solid 30%
half tone, and the location of the lines are different between the three printouts.
 ESS and possible parts that caused the error
1. HOUSING ASSY-DEVE (Y, M, C, K)
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.
FIP-P23 Horizontal Lines
 Problems
Horizontal lines appear on the same position every time a color print is made. On a
B/W print, the position is different from a color print. It is caused by dirt on the
Photoconductor Unit.
 ESS and possible parts that caused the error
1. Photoconductor Unit
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.
Step Check Yes No
1
Check of HOUSING ASSY-DEVE
Replace the corresponding HOUSING ASSY-
DEVE.
Print the problem image, or execute a test print.
Was the trouble fixed?
End of procedure Replace "ESS and
possible parts that
caused the error".
Step Check Yes No
1
Check after replacement of Photoconductor
Unit .
Replace the Photoconductor Unit.
Print the problem image, or execute a test print.
Was the trouble fixed?
End of procedure Replace "ESS and
possible parts that
caused the error".