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(14) White spots
Defective area
Step
Toner empty
1
2
3
4
Decreasing toner density
5
6
Developer material/Toner/
7
Photoconductive drum
8
9
10 Is there any dent on the surface of
11 Is there any film forming on the
Main charger
12 Is there any foreign object on the charger?
13 Is the charger dirty or deformed?
Check Items
Is the toner supply symbol lighting?
Is the toner cartridge installed properly?
Is the performance of the toner motor Check the performance of the toner
normal?
Is the toner cartridge normal?
Is the performance of the auto-toner
sensor control normal?
Is the toner density low?
Using the specified developer
material, toner and photoconductive drum? toner and photoconductive drum.
Have the developer material and the
photoconductive drum reached their PM life? photoconductive drum.
Is the storage environment of the toner
cartridge 35°C or less without dew?
the photoconductive drum?
photoconductive drum?
5 - 131
Prescription
Replace the toner cartridge.
Check the installation state of the
toner cartridge.
motor.
Check the toner cartridge.
Replace if it is not normal.
Check the performance of the
auto-toner sensor.
Correct the toner density.
(Note 2: See 'Toner density
correcting method'.)
Use the specified developer material,
Replace the developer material and
Use the toner cartridge stored in the
environment within specification.
Replace the drum.
Clean or replace the drum.
Remove it.
Clean or replace the charger wire and grid.
AR-651/810 TROUBLESHOOTING
Remarks
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Table of Contents
Troubleshooting
