Service Manuals, User Guides, Schematic Diagrams or docs for : CANON Copiers GP 605 ServBull ServBullGP605 gp605-04

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Service Bulletin COPIER

Issued by Canon Europa N.V.

Model : GP605 No.: GP605-004 Rev. 2
(FF-T01-K1-000011-03)
DATE: 10.08.99

Location : ADF REVERSING FLAPPER

Subject : PREVENTING ADF REVERSING FLAPPER FROM STAYING OPEN

Reason : To communicate countermeasures to take by way of servicing the machine for the possibility of
putting one's hand on the reversing flapper and allowing it to stay open while clearing a jam that has
occurred in the ADF.

Details :
The user in the course of clearing a jam in the ADF tries to manually open the flapper at the lower part
of the ADF, and finds oneself that the flapper stays open.

In the course of clearing a jam at the lower part of the ADF, the lower guide cover indicates that it
should be opened with the hands, but depending on how the user opens it, the flapper stays open.

The reversing flapper has been extended with a change in the shape to prevent overriding the guide
plate. (Fig. 1)

Guide plate

This part extended.
[Old] [New]

Fig. 1

-1/6-
GP605-004 Rev. 2

Servicing : < Procedure for implementing countermeasures >
1) Remove the 2 binding screws at the bottom
of the ADF. (Fig. 2)

Screws

Fig. 2

2) Remove the 1 screw from the right face of the
ADF. (Fig. 3)

Screw

Fig. 3

3) Remove the 1 screw from the upper cover
assembly, and remove the front cover
(upper/lower). (Fig. 4) Screw

Front cover
(Upper/Lower)

Fig. 4

-2/6-
GP605-004 Rev. 2

4) Open the registration guide, and remove
the 2 screws and then the paper guide.
(Fig. 5)
Screws

Paper guide

Fig. 5

5) Remove the 2 tension springs from their
spring hooks, and tighten the cover.
(Fig. 6)
Tension
springs

Tighten the registration
guide and the upper
cover.
Fig. 6

6) Open the ADF, remove the 2 screws from the Screws
front face, and take out the stopper shaft.
(Fig. 7)

Stopper
shaft

Fig. 7

7) While holding up the flapper assembly, remove Upper cover
the upper cover assembly and the flapper assembly
assembly from the inner pin in removing the
flapper. (Fig. 8) Flapper
assembly

Inner pin

Fig. 8
-3/6-
GP605-004 Rev. 2

8) Remove the 3 screws and the lower guide
cover. (Fig. 9)

Screws Lower guide cover
Fig. 9

9) Remove the 1 tension spring from the
flapper assembly. (Fig. 10)

Tension spring
Fig. 10

Leaf spring
10) Remove the 3 standard washers from their Lower guide
locations and remove the shaft. Bushing
11) Replace the reversing flapper with its
Leaf spring
countermeasure replacement, and re-attach
the bushing and the standard washers.
(Fig. 11)

Caution Standard washers
If it is noted that the flapper stays open,
replace also the lower guide at the same
time.
When replacing the lower guide, be
sure to use the leaf spring while Fig. 11
repalcing the guide with a new one.

12) Attach the 1 tension spring. (Fig. 12)

Tension spring

Fig. 12

13) Attach the lower guide cover. (3 screws)
Caution: 2 of these are stepped screws. (Fig. 13)

Screw Stepped screws
Lower guide cover
Fig. 13
-4/6-
GP605-004 Rev. 2

14) Fit the flapper assembly and the upper Stopper shaft
cover in that order onto the inner pin,
and then fit the stopper shaft. (Fig. 14)

Inner pin

Fig. 14

15) Tighten the 2 screws on the front face. Screws
(Fig. 15)

Stopper shaft

Fig. 15

16) Fit the 2 tension springs back into the gap in Tension springs
the guide. (Fig. 16)

Fig. 16

17) Hook the 2 tension springs back onto the
Tension springs
spring hooks. (Fig. 17)

Fig. 17
-5/6-
GP605-004 Rev. 2

18) Attach the paper guide (2 screws).
(Fig. 18)
Screws

Paper guide

Fig. 18

19) Close the registration guide, set the front
cover, and tighten the 2 screws.
(Fig. 19)

Screws

Fig. 19

20) Remove the 2 binding head screws at the
bottom of the ADF. (Fig. 20)

Screws

Fig. 20

Affected machines:
PLE00149 and later RLE00051 and later NLE03359 and later SLE00431 and later
PLP00053 and later TLE00199 and later QLE00353 and later ULE00657 and later

-6/6-

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