Void Areas; Smear On Back - Minolta EPI 054 User Manual

FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 TROUBLESHOOTING
98.05.15

(8) Void Areas

Cause Step
Image transfer fail- Is the Image Transfer
1
ure Corona installed correctly?
Is the Image Transfer
2
Corona wire dirty?
Damp copy paper Is the image improved by
loading new paper?
3
Small amount of Is toner uniformly attracted
toner supplied onto the Sleeve Roller?
4
PC Drum conden- Is the image improved by
sation 5 running Drum Dehum?
Paper guide short- Is the paper guide shorted
ing 6 to the frame?
Fusing failure Is the Lower Fusing Roller
7
scratched or deformed?

(9) Smear on Back

Cause Step
Dirty Developing Is the bottom part of the
Unit 1 Developing Unit dirty?
Dirty Image Trans- Is the Image Transfer
2
fer Corona Corona dirty?
Is the Pre-Image Transfer
3
Guide Plate dirty?
Dirty Suction Unit Are the Suction Belts dirty?
4
Dirty Fusing Unit Is the Fusing Unit Entrance
5
Guide Plate dirty?
Are the Upper and Lower
Fusing Rollers dirty?
6
Check Item Result
NO
YES
YES
NO
YES
YES
YES
Check Item Result
YES
YES
YES
YES
YES
YES
T-71
Action
Reinstall.
Clean or replace the Image
Transfer Corona wire.
Change the copy paper and
instruct the user in how to
store paper and to keep the
copier plugged in during the
night.
Check the Db value and
developer amount, and
check the operation of the
Bucket Roller.
Run Drum Dehum and
instruct the user to take fur-
ther action.
Connect the paper guide
through the resistor to the
frame.
Replace the Lower Fusing
Roller.
Action
Clean and check the Devel-
oper Scattering Prevention
Seal.
Clean the corona and
check the Developing Unit.
Clean the guide plate and
check the Developing Unit.
Clean the Suction Belts and
check the Developing Unit.
Clean the guide plate and
check the Developing Unit.
Clean or replace the Upper
and Lower Fusing Rollers
and check the Fusing Roller
cleaning mechanism.