
FrameMaker Ver.5.5E(PC) EP3000/EP3010 TROUBLESHOOTING
98.08.06
T-88
3. Low Image Density
Cause
Step
Check Item
Result
Action
PC Drum life
1
Does the PC Drum have
enough service life?
NO
Replace the PC Drum.
2
Do the fan motors turn prop-
erly? (Ozone deterioration,
temperature rise)
NO
Troubleshoot the fan motors.
PC Drum ground-
ing failure
3
Is the PC Drum properly
grounded?
NO
Clean or replace the PC Drum
Ground Plate.
Drum charge fail-
ure
4
Are the PC Drum Charge
Corona wire and grid mesh
normal?
NO
Check and replace if neces-
sary.
5
Is the wiring between High
Voltage Unit HV1 and corona
wire normal?
YES Replace HV1.
NO
Correct the wiring.
Optical failure
6
Are the mirrors and lenses
dirty or covered with conden-
sation?
YES
Clean the mirrors and lenses.
Image transfer fail-
ure
7
Is the Image Transfer Corona
dirty?
YES
Clean the Image Transfer
Corona and replace the wire.
8
Is the copy paper damp?
YES
Replace copy paper and
instruct the user in how to
store paper and to keep the
copier plugged in during the
night.
Developing failure
9
Is Db adjusted properly?
NO
Make Db adjustment.
10
Are the Ds Rolls in contact
with the PC Drum?
NO
Reinstall the Developing Unit.
11
Is the developing bias contact
normal?
NO
Clean or replace the develop-
ing bias contact.
Содержание EP3000
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Страница 235: ...FrameMaker Ver 5 5E PC EP3000 EP3010 TROUBLESHOOTING 98 08 06 EP3010 TROUBLESHOOTING 10794 ...