Service manual

FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 TROUBLESHOOTING
98.05.15
T- 7 0
(7) Blank Streaks or Bands
Cause
Step Check Item Result Action
Plugged Db
1
Is the Db plugged with for-
eign matter, caked toner,
etc.?
YES
Remove foreign matter. If
the problem persists,
replace the developer.
Drum charge fail-
ure 2
Are the PC Drum Charge
Corona wire and grid mesh
dirty?
YES
Clean or replace the PC
Drum Charge Corona.
3
Is the Drum Charge Corona
Wire Cleaner at the home
position?
NO
Check the corona wire
cleaning mechanism.
Image transfer fail-
ure
4
Is the Image Transfer
Corona wire dirty?
YES
Clean or replace the Image
Transfer Corona.
5
Is the Corona Wire Cleaner
at the home position?
NO
Check the corona wire
cleaning mechanism.
Defective PC
Drum Paper Sepa-
rator Fingers
6
Are the PC Drum Paper
Separator Fingers dirty or
deformed?
YES
Clean or replace the PC
Drum Paper Separator Fin-
gers.
Image Erase
Lamp lit at abnor-
mal timing
7
Does the Image Erase
Lamp light up at abnormal
timing?
YES
Check the Image Erase
Lamp.
Fusing failure
8
Is the Upper Fusing Roller
dirty or scratched?
YES
Clean or replace the Upper
Fusing Roller.
9
Are the Upper Paper Sepa-
rator Fingers dirty or
scratched?
YES
Clean or replace the Upper
Paper Separator Fingers.