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Canon NP6251 Service Bulletin page 49

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Important
NP6251
Model
:
Location
: FIXING ASSEMBLY
: PROCEDURES TO PREVENT FALLING DOWN OF RETAINING SCREW FOR BUSHING
Subject
PLATE (THE PLATE FOR TAKING THE RECIPROCATING MOVEMENT)
Reason
: To communicate field procedures to prevent quality problems due to falling down of the retaining
screw for the bushing plate that takes the reciprocating movement.
Details
: It is possible that the screw which retains the fixing assembly bushing plate (the plate that takes the
reciprocating movement) loosen and detach as the result of vibration or heat. If the screw detaches, it
can in the worst case fall down into the space between the thermoswitch and the reciprocating shaft to
permit a short circuit. This is to communicate a procedure to follow with machines in the field to
prevent this problem.
Servicing
: During visits for servicing, replace the 6mm screw retaining the bushing plate with the 8mm screw,
and at the same time do the additional work of tightening the nut.
< Precautions to take in proceeding with the work >
1. Begin the work after the fixing assembly has adequately cooled down.
2. Be careful not to scratch the fixing roller or the fixing web.
3. Check the attached bushing plate for taking the reciprocating movement and replace it if found
cracked.
Service Bulletin
Issued by Canon Europa N.V.
COPIER
No.:
6251-017 Rev. 1
(FF-T01-H2-000035-01)
DATE:
10.08.99
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