Ricoh A172 Service Manual page 449

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TECHNICAL OPERATIONS
MAGENTA BANDING
Subject:
•l Electrical
q
Safety Information
q
General Information
Symptom:
Intermittent
blue
noticeable in
or gray image areas.
Cause:
Bias voltage applied to the magenta development roller is
between the shaft and the roller bearing / bushing.
Solution:
Install a conductive Bearing 6 x IO x 3 (P/N 08053496), flange side in, and Lock Washer
(P/N H0014219), tabs out, onto the rear of
two points of bias contact / conductivity.
This countermeasure was scheduled to be implemented beginning with July 1997 production.
Note:
Additional details will be reflected in a Parts Modification Bulletin.
SAWN CORPORATION
Technical Service Operations - 333 Ludlow Street, Stamford, Connecticut 06904 -- (203) 967-5000
Field Engineering Bulletin
BULLETIN NOaDATE:
Model - Product/Serial Numbers Affected 1 Modification Schedule
SC1 06
SDC206
the magenta development roller shaft. This effectively creates
Digital Color Series
SDC206 - 010
SC106 - 004
Install Time
not consistent due to poor conductivity
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