Service Manuals, User Guides, Schematic Diagrams or docs for : CANON Copiers GP 605 ServBull ServBullGP605 gp605-07

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Service Bulletin COPIER

Issued by Canon Europa N.V.

Model : GP605 No.: GP605-007
(FF-T01-K1-000016-01)
DATE: 07.05.99

Location : FIXING ASSEMBLY

Subject : DISPLACEMENT OF SCREW SECURING RECIPROCATING SHAFT BUSHING

Reason : This bulletin communicates measures to take in the filed to prevent quality problems caused by
displacement of the screw used to secure the reciprocating shaft bushing.

Details : It was found, different models, that the screw used to fix the reciprocating shaft bushing in place
becomes loose because of heat or vibration, ultimately falling off the bushing.
In the worst case, the screw falling between the thermal switch and the reciprocating shaft can short-
circuit the power line of the fixing heater.
This bulletin contains measures for preventing such a problem as a precaution for the GP605, which is
deigned based on the same concept.
< Factory measure >
Tentative Measures: The screw used to secure the reciprocating shaft bushing is replaced with a
W-sems screw, which tends to remain firmly tightened.
XB1-2400-609 (binding screw) ->XB2-8400-809 (W-sems screw)
Permanent Measures: The screw (6mm-long) used to secure the reciprocating shaft bushing is
replaced with an 8mm-long screw. Further, tightening of the nut is added to
the work.

Servicing : As part of a servicing visit, replace the 6mm-long screw used to secure the reciprocating shaft bushing
with an 8mm-long screw. In addition, tighten the nut.

< Points to Note during Work >
Check to make sure that the fixing assembly is not hot before starting the work.
Take care not to damage the fixing roller and the cleaning belt.
Check the existing reciprocating shaft bushing, and replace it if a crack is found.

-1/4-
GP605-007

< Work Procedure > Fixing cleaning belt
1) Remove the fixing cleaning belt. (Figure 1)
For instructions between sliding out the
fixing/feeding assembly and detaching the
fixing cleaning belt, see the Service Manual
(FY8-13FD-000; pp. 8-26, -27, -29, -30).
However, you need not detach the fixing
assembly from the fixing/feeding assembly.

(front)

Fig. 1

2) Release the lock of the wire saddle, and remove
the fastons; then, disconnect the connectors.
(Figure 2)
Release the lock of the wire saddle.
Remove the fastons, and disconnect the
connectors.

Wire saddle

Connectors Fastons
Fig. 2

3) Remove the spring. (Figure 3)
Remove the glue from the spring.
Detach the spring.

Spring

Fig. 3

-2/4-
GP605-007

4) Remove the heater positioning plate. (Figure
4)
Remove the screw, and detach the heater
positioning plate.
Screw

Heater
positioning pale

Fig. 4

5) Remove the fixing cleaning belt drive
assembly. (Figure 5)
Remove the screws, and detach the fixing
cleaning belt drive assembly.

Fixing cleaning belt
drive assembly

Screws

Fig. 5

6) Replace the screw used to secure the reciprocating shaft bushing, and tighten the nut. (Figure 6)
Replace the screw used to secure the reciprocating shaft bushing with an 8mm-long screw
(XB1-2400-807), and tighten it lightly so that there is no play in the bushing.
With a screwdriver fitted to the screw, attach the nut (XB7-2100-409) to the screw; then,
tighten it. At this time, keep the screw still using the screwdriver.

Reciprocating shaft
bushing

Screw
(XB1-2400-807)

Nut
(XB7-2100-409)

Fig. 6
7) Assemble the parts.
Assemble the parts by reversing the steps used to remove them.

-3/4-
GP605-007

Service Parts :

Inter- P.C.
-- -- -- -- -- -- -- --
No. Description Part number Q'ty change-
ability
1 Old SCREW, MACHINE M4x6 XB1-2400-609
1 0 810-505
01
No Yes
New SCREW, M4x8 XB1-2400-807
2 Old 810-
New NUT, HEX M4 XB7-2100-409
0 1

Affected machines:
Machines Selected for Tentative Measures:
PLE00082 and later NLE01593 and later
PLP00019 and later QLE00191 and later
RLE00027 and later SLE00372 and later
TLE00136 and later ULE00482 and later

Note: The serial numbers of the machines selected for permanent measures will be communicated
as soon as they are identified.

-4/4-

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