Service Manuals, User Guides, Schematic Diagrams or docs for : CANON Copiers GP 405 ServBull ServBullGP605 gp605-05
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Service Bulletin COPIER
Issued by Canon Europa N.V.
Model : GP605 No.: GP605-005 Rev. 1
(FF-T01-K1-000009-02)
DATE: 04.06.99
Location : SLIDE GUIDE (ON ADF PICKUP TRAY)
Subject : PREVENTING JAMS WHILE READING AN ORIGINAL
Reason : The adhesive used on the leaf spring of the slide guide of the ADF can fail, possibly causing a jam
because of the resulting incorrect detection of the size of an original during reading operation. This
bulletin communicates measures to take as part of servicing work to prevent the problem.
Details :
When copies are made using the ADF, wrong detection of paper size can at times occur during
reading operation, causing jams.
A portion of the leaf spring of the slide guide (rear) found on the ADF pickup tray can fail against the
upward force of the ribs found under the spring, resulting in detachment.
Tentative Measures
The ribs of the slide guide (used to prevent noise; see the figures below) are shaved off to limit the
stress against the glued portion (switch-over on and after March 30, 1999).
Permanent Measures
In addition to the tentative measures above, the shape of the leaf spring will be modified to prevent
stress on the leaf spring (see the figures below; switch-over on and after April 13, 1999).
Leaf spring
The leaf spring is
The glue around here fails
pushed up by the against the upward force of the
ribs. ribs. (The portion is attached
by heating the adhesive.)
Ribs used to
prevent noise
Area where the shape will be
changed
Fig. 1
-1/6-
GP605-005 Rev. 1
Servicing : < Implementing the Measures >
1) Remove the screw, and detach the cover
at the back of the ADF. Screw
Fig. 2
2) Free the harness of the pickup tray. Wire saddle
i) Remove the wire saddle. Tie-wrap
ii) Remove the tie-wrap.
iii) Disconnect the connector. Screw
iv) Remove the screw, and detach the
grounding wire.
Connector
Fig. 3
3) Remove the two screws from the pickup Screws
tray, and detach the pickup tray.
Note:
When detaching the pickup tray, pay
attention to its harness.
Fig. 4
Grounding wire (1 screw)
4) Turn over the pickup tray, and disconnect the
three connectors.
5) Remove the screw, and detach the grounding
wire.
Connectors
Fig. 5
-2/6-
GP605-005 Rev. 1
6) Remove the four screws, and open the
slide switch cover.
Screws
Fig. 6
7) Remove the grip ring, and detach the gear.
Gear
Grip ring
Fig. 7
8) Remove the screw, and detach the guide Screw
retainer.
Guide retainer
Fig. 8
9) Remove the two screws, and detach the
indicator LED PCB holder; then, mount it
to the slide guide which has been provided
with the measures.
Slide guide
Indicator LED
PCB holder
Screws
Fig. 9
-3/6-
GP605-005 Rev. 1
10) Shift both slide guides inward, and match the teeth as shown (indicated by arrows).
Shift so that the arrow is
between the third and fourth
teeth counting from the right.
Slide guide
Shift so that the arrow is
between the fifth and sixth
teeth counting from the left.
Fig. 10
11) While keeping the teeth matched, set the
gear and mount the grip ring. Gear
Note: Put one transparency between the
gear and the grip ring to allow a gap Grip ring
(of about 0.3 mm).
Fig. 11
12) While paying attention to the routing of
Screw
the harness and the positioning block Pay attention to the
(used to match the phase), mount the spatial relationship
guide retainer with a screw. (phase).
Note: Take care to avoid trapping the
wire.
Lead the harness out from here.
Fig. 12
-4/6-
GP605-005 Rev. 1
Screws
13) Close the slide switch cover, and tighten
the four screws.
Note: At this time, connect one connector
in advance to facilitate the work.
Connector
Fig. 13
14) Connect all connectors.
Connector
Fig. 14
15) While arranging the harness as needed, Screws
set the pickup tray and tighten the two
screws.
Fig. 15
Wire saddle
Tie-wrap
16) Free the harness of the pickup tray.
i) Mount the grounding wire with a screw.
ii) Connect the connector. Screw
iii) Fit the tie-wrap.
iv) Fit the harness to the wire saddle, and
lock it in position.
Connector
Fig. 16
-5/6-
GP605-005 Rev. 1
17) Secure the cover at the rear of the ADF
in place with a screw.
Screw
Fig. 17
Affected machines:
Main body:
PLE00102 and later NLE01743 and later PLP00049 and later
QLE00246 and later RLE00040 and later SLE00374 and later
TLE00140 and later ULE00537 and later
Classification by level of the ADF
Classification label attached to the ratings plate
Tentative measures: 9-mm dia. Brown label
Permanent measures: 9-mm dia. Pink label
ADF Units Affected
YC01647 and later
YD01384 and later
YE00068 and later
-6/6-
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