BSI(Service Note) TOSHIBA
TOSHIBA TEC CORPORATION
2-4-1, Shibakoen, Minato-ku, TOKYO, 105-8524 JAPAN
BSI No
F97I019
SUBJECT
To Improve Poor Driving Transfer in Paper Feeding Section
MODEL
CATEGORY
To improve the reliability
UA710061
CONTENT
During paper feeding, part of the clutch spring (01) is forced into the gap between the gears (02),
failing to transmit drive force properly. As a countermeasure, the following parts have been changed.
Parts
Name
Spring 28-46 4402407750
Gear 28-45 4402417210
Spring 28-50 -------- 4402429210
Collar 28-49 4402407480
Washer 28-47 4402416210
(*1) Interchangability "B" for replacement as a unit.
FC70
FACTORY APPLICATION
Page-Items Current New Remarks Interchange-
FIELD APPLICATION
To be applied when necessary
CLUTCH SPRING
GEAR35T
COLLAR
WASHER
-------- Deleted ---
4402429200
GEAR35T
PRESSURE
SPRING
-------- Deleted ---
-------- Deleted ---
Date
UNIT
Feeder
New
97/10/13
----
ability
D(*1)
Countermeasure
The driving transfer method has been changed from the clutch spring method to the ratchet method
using a combination of claws.
1. Elimination of the clutch spring (01)
2. Shape change of the gear (02)
3. Addition of a pressure spring (03)
4. Elimination of the collar (04) and the washer (05)