Printing Quality-Related Fip - Epson AcuLaser C1100 Service Manual

EPSON AcuLaser C1100

3.4.2 Printing quality-related FIP

FIP-P1 Printing is Faint (Weak Tones)
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.
Is the image printed normally?
Check of laser beam path
2
Are there any obstructions between ROS
ASSY and Photoconductor Unit?
TROUBLESHOOTING
Problems
Overall density of image is too weak.
ESS and possible parts that caused the error
Photoconductor Unit
ROS ASSY
Toner Cartridge Y
Toner Cartridge M
Toner Cartridge C
Toner Cartridge K
2ND BTR ASSY
HOUSING ASSY-GUIDE AD
MOT ASSY MAG
PWBA ESS
PWBA MCU
LV/HVPS
FUSER ASSY
500 FEEDER ASSY OPTION
Yes No
End of Go to Step [2].
procedure
Remove Go to Step [3].
obstacles.
Printing Quality-related Trouble
Step Check
Check of ROS window
3
Is ROS window dirty?
Check of toner cartridge attachment
4
Re-attach the toner cartridge, and make a test
print of the problem image.
Is the image printed normally?
Check of 2ND BTR ASSY
5
Remove 2ND BTR ASSY. (p.348)
Is 2ND BTR ASSY normal without any dirt,
damage or wear?
Check of contact between Photoconductor
6
Unit and frame
Are the contacts of Photoconductor Unit and
HOUSING ASSY-GUIDE AD dirty or
deformed?
Check after replacement of
7
Photoconductor Unit
Replace Photoconductor Unit.
Make a test print of the problem image.
Is the image printed normally?
Check after replacement of Toner Cartridge
8
Replace Toner Cartridge Y/M/C/K.
Make a test print of the problem image.
Is the image printed normally?
Check after replacement of PWBA MCU
9
Replace PWBA MCU. (p.404)
Make a test print of the problem image.
Is the image printed normally?
Check after replacement of ROS ASSY
10
Replace ROS ASSY. (p.375)
Make a test print of the problem image.
Is the image printed normally?
Revision B
Yes No
Clean the ROS Go to Step [4].
window with
CLEANER
ASSY.
End of Go to Step [5].
procedure
Go to Step [6]. Replace 2ND
BTR ASSY.
(p.348)
Clean or replace Go to Step [7].
relevant parts.
End of Go to Step [8].
procedure
End of Go to Step [9].
procedure
End of Go to Step [10].
procedure
End of Go to Step [11].
procedure
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