Interleaf EP5000/EP4000 TROUBLESHOOTING
97.04.01
T-116
1149SBT050308A
8) Void Areas
Cause
Step
Check Item
Result
Action
Image transfer fail-
ure
1
Is the Image Transfer Coro-
na installed properly?
NO
Reinstall.
2
Is the Image Transfer Coro-
na wire dirty?
YES
Clean or change the Image
Transfer Corona wire.
Damp copy paper
3
Is the image improved by
loading new paper?
YES
Change the copy paper and
instruct the user in how to
store paper and to keep the
copier plugged in during the
night.
Small amount of ton-
er supplied
4
Is toner uniformly attracted
onto the Sleeve Roller?
NO
Check the Db value and
amount of developer, and
check the Bucket Roller for
operation.
PC Drum condensa-
tion
5
Is the image improved by
running Drum Dehum.?
YES
Run Drum Dehum. and
instruct the user to take fur-
ther action.
Paper guide shorting
6
Is the paper guide shorted
to the frame?
YES
Connect the paper guide
through the resistor to the
frame.
Fusing failure
7
Is the Lower Fusing Roller
scratched or deformed?
YES
Replace the Lower Fusing
Roller.
1149SBT050309A
9) Smear on Back
Cause
Step
Check Item
Result
Action
Dirty Developing
Unit
1
Is the bottom part of the
Developing Unit dirty?
YES
Clean, and check the De-
veloper Scattering Preven-
tion Seal.
Dirty Image Transfer
Corona
2
Is the Image Transfer Coro-
na dirty?
YES
Clean the corona and
check the Developing Unit.
3
Is the Pre-Image Transfer
Guide Plate dirty?
YES
Clean the guide plate and
check the Developing Unit.
Dirty Suction Unit
4
Are the Suction Belts dirty?
YES
Clean the Suction Belts and
check the Developing Unit.
Dirty Fusing Unit
5
Is the Fusing Unit Entrance
Guide Plate dirty?
YES
Clean the guide plate and
check the Developing Unit.
6
Are the Upper and Lower
Fusing Rollers dirty?
YES
Clean or change the Upper
and Lower Fusing Rollers
and check the Fusing Roller
cleaning mechanism.