Ricoh B173 Service Documentation page 93

Table of Contents

4.6.9 GHOST (1)

Description

Ghost occurs at 75.5 mm intervals of the OPC drum in the

whole printing.

Check and Cause

Bad contacts caused by contamination

from toner particles between the high

voltage terminal in the main body and

the electrode of the developer.

Bad contacts caused by contamination

from toner particles between the high

voltage terminal in the main body and

the electrode in the HVPS board.

The life of developer is expired.

Transfer roller lifetime (60,000 sheets)

has expired.

Abnormal low temperature (below

10°C).

Damaged cleaning blade in the

developer.

PRINTING QUALITY PROBLEMS

Solution

Clean the contaminated terminals.

Problem in the toner cartridge, replace

the AIO and try to print again.

Replace the Main Board if not solved

by the above two directions.

If not solved by the above direction,

check the transfer roller lifetime and

replace it.

Wait about 1 hour after power on

before using machine.

Problem in the toner cartridge, replace

the AIO and try to print again.

4-27

Digital Printer

B173T922.WMF

B173

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