EPSON AcuLaser C1100 Revision B

TROUBLESHOOTING Printing Quality-related Trouble 244

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.
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
Step Check Yes No
1Check of Paper
Load new, dry recommended paper, and
execute a test print.
Is the image printed normally?
End of
procedure Go to Step [2].
2Check of laser beam path
Are there any obstructions between ROS
ASSY and Photoconductor Unit?
Remove
obstacles. Go to Step [3].
3Check of ROS window
Is ROS window dirty?
Clean the ROS
window with
CLEANER
ASSY.
Go to Step [4].
4Check of toner cartridge attachment
Re-attach the toner cartridge, and make a test
print of the problem image.
Is the image printed normally?
End of
procedure Go to Step [5].
5Check of 2ND BTR ASSY
Remove 2ND BTR ASSY. (p.348)
Is 2ND BTR ASSY normal without any dirt,
damage or wear?
Go to Step [6]. Replace 2ND
BTR ASSY.
(p.348)
6Check of contact between Photoconductor
Unit and frame
Are the contacts of Photoconductor Unit and
HOUSING ASSY-GUIDE AD dirty or
deformed?
Clean or replace
relevant parts. Go to Step [7].
7Check 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 [8].
8
Check after replacement of Toner Cartridge
Replace Toner Cartridge Y/M/C/K.
Make a test print of the problem image.
Is the image printed normally?
End of
procedure Go to Step [9].
9Check 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 [10].
10 Check 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 [11].
Step Check Yes No