C458 ADF Left Cover Adjustment

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  • FuserNoob
    Technician, CISSP

    Site Contributor
    100+ Posts
    • Jul 2022
    • 100
    #1

    C458 ADF Left Cover Adjustment

    Hi All,
    I have a C458 that wont scan from the ADF unless I press down on the left cover.
    I have determined, after removing the rear cover, that the drive gear for the paper pickup assembly is not making contact with the take-up clutch gear.
    I cant find anything in mobile manuals covering this adjustment.
    Any help is appreciated.
    Thanks!
    Tags: adf, c458, cover, gear, left
    • FuserNoob
      Technician, CISSP

      Site Contributor
      100+ Posts
      • Jul 2022
      • 100
      #2
      Re: C458 ADF Left Cover Adjustment

      As a temporary fix, I was able to get it working by stripping the plastic cover off the wire of a bread tie and wrapping it around the post that the cover latches to, but I'd prefer something permanent.

        Comment

        • blackcat4866
          Master Of The Obvious

          Site Contributor
          10,000+ Posts
          • Jul 2007
          • 22694
          #3
          Re: C458 ADF Left Cover Adjustment

          Is that post cracked or damaged in some way? It's not unheard of. =^..^=
          If you'd like a serious answer to your request:
          1) demonstrate that you've read the manual
          2) demonstrate that you made some attempt to fix it.
          3) if you're going to ask about jams include the jam code.
          4) if you're going to ask about an error code include the error code.
          5) You are the person onsite. Only you can make observations.

          blackcat: Master Of The Obvious =^..^=

            Comment

            • FuserNoob
              Technician, CISSP

              Site Contributor
              100+ Posts
              • Jul 2022
              • 100
              #4
              Re: C458 ADF Left Cover Adjustment

              the metal post that the plastic hook from the cover attaches to is fine and there is no visible damage to the ADF

                Comment

                • KMFLT3CH
                  Trusted Tech

                  100+ Posts
                  • May 2017
                  • 181
                  #5
                  Re: C458 ADF Left Cover Adjustment

                  Try bending the metal post downwards. Had to do this on a few i-series right out of the box, otherwise you get a loud grinding noise and the original doesn't feed in.

                    Comment

                    • EarthKmTech
                      Step aside, noob

                      1,000+ Posts
                      • May 2009
                      • 2142
                      #6
                      Re: C458 ADF Left Cover Adjustment

                      Originally posted by KMFLT3CH
                      Try bending the metal post downwards. Had to do this on a few i-series right out of the box, otherwise you get a loud grinding noise and the original doesn't feed in.
                      Yep +1 this

                      Seen this plenty when people try lifting open the jam access door without unlatching it. This is a 100% fix.

                      Also helps with the 6633 jams resulting from insufficient separation pressure, slippery paper with high coverage printing and slipping on pickup on the DF-714's

                        Comment

                        • femaster
                          Service Manager

                          1,000+ Posts
                          • May 2011
                          • 1417
                          #7
                          Re: C458 ADF Left Cover Adjustment

                          Originally posted by FuserNoob
                          the metal post that the plastic hook from the cover attaches to is fine and there is no visible damage to the ADF
                          So the plastic latch (hook) itself on the back side of the access door is still OK? I have seen those break many times on various models which results in exactly what you are experiencing.
                          A Ricoh Service Tech for 7 year. A Konica Minolta Service Tech for 7 years. Now, KM service manager for 4 years.
                          My Ricoh knowledge is slowly dwindling away at this point. Many things have been lost to time...

                            Comment

                            • FuserNoob
                              Technician, CISSP

                              Site Contributor
                              100+ Posts
                              • Jul 2022
                              • 100
                              #8
                              Re: C458 ADF Left Cover Adjustment

                              Everything looks fine upon visual inspection. I had to take off the back cover to diagnose that the gears weren't meshing correctly.
                              I bent the pins (front and rear), i had to put some effort into closing the cover, but it scans like a champ now!
                              Thanks!

                                Comment

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