Ricoh M000, Service Manual

Page: 68 / 138

Symptoms, Causes, and Solutions of Bad Images
M000/M009 4-10 SM
4.2.9 GHOST (1)
Description:
Ghost occurs at 75.5 mm intervals of the OPC drum across entire printed page.
Symptom and Cause Solution
1. Bad contacts caused by contamination
from toner particles between the high
voltage terminal in the main body and
the electrode of the print cartridge.
2. Bad contacts caused by contamination
from toner particles between high
voltage terminal of the main body and
the one in the HVPS board.
3. The life of print cartridge has expired.
4. Transfer roller lifetime (50,000 sheets)
has been exceeded.
5. Abnormal, low temperature (below
10°C).
6. Damaged cleaning blade in the print
cartridge.
1. Clean the terminals when
contaminated by toner particles.
2. For the print cartridge, replace the print
cartridge and try to print out.
3. Replace the main board if not solved
by steps 1 and 2 above.
4. If not solved by the step 3, check the
transfer roller lifetime and replace it.
5. Wait about 1 hour after power on
before using printer.
6. For the print cartridge, replace the print
cartridge and try to print out.
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA