Epson AcuLaser C1100 Service Manual page 253

EPSON AcuLaser C1100
FIP-P7 Horizontal 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.
Step Check
Connection check of ROS ASSY connector
1
Is the connector firmly connected to ROS
ASSY?
Check of contact between Photoconductor
2
Unit and frame
Are the contacts of Photoconductor Unit and
HOUSING ASSY-GUIDE AD dirty or
deformed?
Check of 2ND BTR ASSY
3
Remove 2ND BTR ASSY. (p.348)
Is 2ND BTR ASSY normal without any dirt,
damage or wear?
TROUBLESHOOTING
Problems
Horizontal (vertical to the paper feed
direction) black lines appear on printout.
ESS and possible parts that caused the error
ROS ASSY
2ND BTR ASSY
Photoconductor Unit
LV/HVPS
FUSER ASSY
HOUSING ASSY-GUIDE AD
PWBA MCU
PWBA ESS
500 FEEDER ASSY OPTION
Yes No
Go to Step [2]. Connect the
connector.
Clean or replace Go to step [3]
relevant parts.
Go to Step [4]. Replace 2ND
BTR ASSY
(p.348)
Printing Quality-related Trouble
Step Check
Check after replacement of
4
Photoconductor Unit
Replace Photoconductor Unit.
Make a test print of the problem image.
Is the image printed normally?
Check after replacement of ROS ASSY
5
Replace ROS ASSY. (p.375)
Make a test print of the problem image.
Is the image printed normally?
Check of image primary transfer process
6
Is the toner image on the drum transferred
normally to IBT BELT?
Execute a test print, turn the power OFF when
you think that the primary transfer process is
in progress during printing, and check the
toner image on IBT BELT.
Check of image secondary transfer process
7
Is the toner image on IBT BELT transferred
normally to the paper?
Execute a test print, turn the power OFF when
you think that the image transfer process is in
progress during printing, and check the paper.
Check of Heat Roll and Pressure Roll
8
W A R N I N G
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?
Revision B
Yes No
End of Go to Step [5].
procedure
End of Go to Step [6].
procedure
Go to Step [7]. Replace LV/
HVPS. (p.407)
Go to Step [8]. Replace LV/
HVPS. (p.407)
Replace FUSER Replace "ESS
ASSY. (p.388) and possible
parts that caused
the error".
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