Service Manuals, User Guides, Schematic Diagrams or docs for : CANON Copiers GP 405 ServBull ServBullGP405 acc-155

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                                               Service Bulletin                                     COPIER


                                               Issued by Canon Europa N.V.




Model       :   Finisher D1                                               No.:               Acc-155
                                                                                             (FF-T01-W-000053-01)
                                                                          DATE:              07.05.99



Location        :    UPPER FEEDER ASSEMBLY

Subject         :    Countermeasures to prevent the upper feeder assembly of the Finisher D1 from opening on impact

Reason          :    To communicate countermeasures (in connection with servicing the machine) to be taken for the
                     possibility of the upper feeder assembly opening when the upper part of the Finisher receives an
                     impact (for example, when arranging sheets of copy papers)

Details         :    
                     The upper feeder assembly sometimes opens when the user arranges ejected sheets of papers on the
                     feeder assembly on top of the Finisher.

                     
                     The upper feeder assembly is held to the plate at the front of the feeder assembly by 4 magnets, but
                     the 2 magnets on the inner side float up due to poor molding procedure of the part into shape, and the
                     cover opens due to insufficient magnet strength.

                     
                     A checklist at the source manufacturer for the upper cover has been expanded for rechecking of the
                     mold finish and whether the shape is free from faults.

Servicing           : 
                      From NLF00198 to NLF00229          From ULF00048 to ULF00540

                     
                     (Fig. 1)
                     Because of some faults with the shape of the
                     upper feeder assembly, two of the shaded areas
                     (out of the four locations for the magnet catches)
                     make contact first, causing a difference of
                     approx. 0.25 to 0.5mm. This results in weaker
                     contact for the other two areas, and the problem
                     of upper feeder assembly to open from receiving
                                                                                                           These areas make
                     an impact.
                                                                                                           contact first.
                                                                                                  Fig. 1

                                                                                                                     -1/2-
                                                                                                            Acc-155

              < Procedure for rechecking and implementing
              countermeasures >
              1) Remove the upper rear cover (2 screws).
                 (Fig. 2)


                                                                 Screws




                                                                                            Fig. 2

              2) Open the front door.
              3) Remove the upper feeder assembly.
                 a) Open the upper feeder assembly, and
                    remove 1 screw from the inner side.
                    (Fig. 3)


                                                                    Screw



                                                                                             Fig. 3



                b) Close the upper feeder assembly, and
                   remove 2 screws from the rear side.
                   (Fig. 4)




                                                                Screws


                                                                                            Fig. 4




              4) Replace the upper cover of the upper feeder assembly. (See Parts Catalog FY8-31E2-000
                 P.T35-1.)
              5) Set the upper feeder assembly in place and secure it by tightening 2 screws at the rear.
              6) Tighten 1 screw in the inner side of the upper feeder assembly.
              7) Tighten the 2 upper rear cover screws.
              8) Close the front door.

Affected machines:
              NLF00230 and later              ULF00541 and later


                                                                                                            -2/2-

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