Ricoh B003 Service Manual page 881

BULLETIN NUMBER:
APPLICABLE MODEL:
GESTETNER – 3502/4502/3502P/4502P
RICOH – AFICIO 1035/1045/1035P/1045P
SAVIN – 2535/2545/2535P/2545P
SUBJECT: NOISE GENERATED FROM BY-PASS FEED SECTION
SYMPTOM:
Noise from by-pass Feed Section
CAUSE:
A. Noise generated by vibration of the Electrical Clutch Feed Shaft and Drive Gear:
See replacement procedure on next page.
B. Noise from the Bushing of the Driven Roller Shaft:
SOLUTION:
The following changes have been made to reduce noise.
A: To support the free end of the shaft a bushing has been added:
1. The Length of the Feed Shaft has been changed from 229mm to 249mm.
2. A Bushing and e-ring has been added.
3. The shape of the Tightening Bracket has been modified to accommodate
the new bushing (hole added).
B: To hold the clutch firmly in place:
1. A roller has been added to apply pressure against the clutch.
2. A Pressure Plate was also added.
C: The material of the Bushing has been changed.
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Copyright 2003 RICOH Corporation. All rights reserved.
CÓPIA NÃO CONTROLADA
TECHNICAL SERVICE BULLETIN
B003/B004/B006/B007 – 016
CÓPIA NÃO CONTROLADA
09/17/2002
Continued...