2DA/2DB
1-5-28
Causes Check procedures/corrective measures
1. Dirty main charger wire.
2. Foreign matter in the developing unit.
3. Dirty shading plate.
(5) A white line appears
longitudinally.
Causes
1. Dirty main charger wire.
2. Foreign matter in the developing unit.
3. Dirty shading plate.
(3) Image is too
light.
(4) Background is visible.
Causes
1. Insufficient toner.
2. The transfer voltage is not output properly.
3. Dirty main charger wire.
4. Dirty main charger grid.
Causes Check procedures/corrective measures
1. Insufficient toner.
2. The transfer voltage is not output properly.
3. Dirty main charger wire.
4. Dirty main charger grid.
Causes
1. The developing bias voltage is not properly.
2. Dirty main charger wire.
Causes Check procedures/corrective measures
1. The developing bias voltage is not properly. Replace the high voltage PCB and check for correct operation.
2. Dirty main charger wire. Clean the main charger wire or, if it is extremely dirty, replace the
main chager unit (see page 1-6-40).
If the display shows the message requesting toner replenishment,
replace the container.
Clean or check the transfer roller (see page 1-6-42).
Clean the main charger wire or, if it is extremely dirty, replace the
main chager unit (see page 1-6-40).
Clean the main charger grid or, if it is extremely dirty, replace the
main chager unit (see page 1-6-40).
Clean the main charger wire or, if it is extremely dirty, replace the
main chager unit (see page 1-6-40).
Check if the magnetic brush is formed uniformly. Replace the
developing unit if any foreign matter (see page 1-6-41).
Clean the shading plate.
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