Fip-P4 Vertical White Bands Or Lines - Epson AcuLaser CX11 Service Manual

EPSON AcuLaser CX11/CX11F

FIP-P4 Vertical White Bands or 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.
Step Check
Check of Paper
1
Load new, dry recommended paper, and
execute a test print of the problem image.
Is the image printed normally?
Check of the paper feed path
2
Are there any dirt or obstacles on the paper feed
path from feeding section to the ejecting
section?
Check of laser beam path
3
Are there any obstructions between ROS
ASSY and Photoconductor Unit?
4 Check of ROS window
Is ROS window dirty?
TROUBLESHOOTING
Problems
Vertical (along the paper feed direction) white
bands or lines appear almost all over the
printout. Some bands or lines are extremely
faint and some are completely white (blank)
missing the part of the image which should be
printed.
ESS and possible parts that caused the error
ROS ASSY
Photoconductor Unit
2ND BTR ASSY
FUSER ASSY
PWBA ESS
PWBA MCU
LV/HVPS
500 FEEDER ASSY OPTION
Yes No
End of procedure Go to Step [2].
Remove Go to Step [3].
obstacles.
Remove Go to Step [4].
obstacles.
Clean the ROS Go to Step [5].
window with
CLEANER
ASSY.
Step
Check of 2ND BTR ASSY
5
Remove 2ND BTR ASSY.
Is 2ND BTR ASSY normal without any dirt,
damage or wear?
Check after replacement of Photoconductor
6
Unit
Replace Photoconductor Unit.
Make a test print of the problem image.
Is the image printed normally?
Check after replacement of ROS ASSY
7
Replace ROS ASSY.
Make a test print of the problem image.
Is the image printed normally?
Check of Heat Roll and Pressure Roll
8
Allow FUSER ASSY to cool down
W A R N I N G
before performing work.
Remove FUSER ASSY.
Turn the Gear by hand, and inspect Heat Roll
and Pressure Roll.
Are Heat Roll and Pressure Roll scratched or
dirty and damaged?
Printer
manuals4you.com manuals4you.com
Check Yes
Go to Step [6].
(p.374)
End of procedure Go to Step [7].
End of procedure Go to Step [8].
(p.401)
Replace FUSER
ASSY. (p.415)
(p.415)
Revision B
No
Replace 2ND
BTR ASSY
(p.374)
Replace "ESS
and possible parts
that caused the
error".
258