Service Manuals, User Guides, Schematic Diagrams or docs for : CANON Copiers GP 605 ServBull ServBullGP605 gp605-09

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gp605-09


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                                                Service Bulletin                                    COPIER


                                                Issued by Canon Europa N.V.




Model      :   GP605                                                     No.:                  GP605-009 Rev. 1
                                                                                               (FF-T01-K1-000020-02)
                                                                         DATE:                 09.07.99



Location       :   ADF PICK-UP ASSEMBLY

Subject        :   FOLDING OF DOCUMENT'S LEADING EDGE IN ADF

Reason         :   To communicate countermeasures for the possibility of the document's leading edge becoming folded
                   when the accuracy as to the position the ADF reversing flapper stops is deficient or when the reversing
                   guide is not completely pushed in and properly seated after attending to the problem of this flapper
                   remaining folded up through mishandling.

Details        :   
                   When using the ADF to copy, there are cases where the document's leading edge becomes folded.

                   
                    In case the accumulated tolerances of the parts get too close to the limits, the document may strike
                      the copyboard glass and the document's leading edge may become folded.
                    The reversing flapper is replaced as the measure to deal with the situation of breakage consequent
                      to the user getting his fingers caught to the reversing flapper in clearing a jam. But failing to
                      notice during the replacement that the reversing guide has not been completely pushed in and
                      properly seated could result in the document's leading edge to become folded.

                   
                   By eliminating the rib of link B (Parts Catalog TY8-31DV-000 page 30-97) and changing to the type
                   with a different angle, the folding up of the reversing flapper was restrained, and the striking of the
                   document against the copyboard glass prevented.

                                            Link B




                           Elimination of rib
                                                [Old]                                       [New]
                                                                     Fig. 1


                                                                                                                    -1/3-
                                                                                    GP605-009 Rev. 1


Servicing   : < Work procedure >
              1) Remove the 2 binding screws underneath
                 the ADF. (Fig. 2)




                                                                    Screws


                                                                                  Fig. 2



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




                                                                   Screw




                                                                                Fig. 3




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


                                                                Front cover
                                                                (Upper/Lower)




                                                                                Fig. 4




                                                                                             -2/3-
                                                                                      GP605-009 Rev. 1


4) Remove the E ring, and replace link B
   (Fig. 5).


                                                                                             E ring

                                                                                             Link B




                                                                            Fig. 5
                                                                                     Arrow added
5) Open the registration guide, loosen the 2
   screws and push in the reversing guide B
   in the direction of the arrow until properly
                                                  Screws
   seated, and then re-tighten the screws
   (Fig. 6).
                                                  Reversing
                                                  guide B




                                                                                Fig. 6


6) Place the front cover by following the procedure in reverse, then tighten the 4 screws.




                                                                                               -3/3-



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