Epson SEPG04002 User Manual

Page of 565
EPSON AcuLaser C1100
Revision B
TROUBLESHOOTING
Printing Quality-related Trouble
246
FIP-P2 Blank Print
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
Completely blank pages are printed. 
†
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 
„
MOTOR ASSY MAG 
„
PWBA ESS
„
PWBA MCU
„
LV/HVPS
„
FUSER ASSY 
„
500 FEEDER ASSY OPTION
Step
Check
Yes
No
1
Check of laser beam path
Are there any obstructions between ROS 
ASSY and Photoconductor Unit?
Remove 
obstacles. 
Go to Step [2]. 
2
Is ROS window completely covered by 
obstacles, or is it dirty?
Remove 
obstacles, and 
clean ROS 
window with 
CLEANER 
ASSY. 
Go to Step [3]. 
3
Check connection of ROS ASSY connector
Is the connector firmly connected to ROS 
ASSY?
Go to Step [4]. 
Connect the 
connector. 
4
Check 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]. 
5
Check of 2ND BTR ASSY
Remove 2ND BTR ASSY. 
Is 2ND BTR ASSY normal without any dirt, 
damage or wear?
Go to Step [6]. 
Replace 2ND 
BTR ASSY. 
6
Check 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]. 
7
Check 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]
9
Check after replacement of PWBA MCU
Replace PWBA MCU. 
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. 
Make a test print of the problem image. 
Is the image printed normally?
End of 
procedure
Go to Step [11]. 
11
Check after replacement of MOT ASSY MAG
Replace MOT ASSY MAG. 
Make a test print of the problem image. 
Is the image printed normally?
End of 
procedure
Go to Step [12]. 
Step
Check
Yes
No