Blank copy on Canon IR Adv 6075

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  • cobra
    Technician
    • Dec 2011
    • 48
    #1

    Blank copy on Canon IR Adv 6075

    I am fixing a Canon IR Adv 6075. There is no error but the copy is blank. I make a copy and stop the paper. There is no image on the drum. The primary charger assembly and the primary charging high voltage PCB are new. There is a 24v from the relay board to the upper high voltage unit. Any ideas where I should look next? Thanks for your help.
    COBRA
    Tags: blank copy, copy, high voltage, no print, potential control
    • M94
      Trusted Tech

      Site Contributor
      100+ Posts
      • Jul 2020
      • 158
      #2
      Re: Blank copy on Canon IR Adv 6075

      Originally posted by cobra
      I am fixing a Canon IR Adv 6075. There is no error but the copy is blank. I make a copy and stop the paper. There is no image on the drum. The primary charger assembly and the primary charging high voltage PCB are new. There is a 24v from the relay board to the upper high voltage unit. Any ideas where I should look next? Thanks for your help.
      I know you said they are new but out of the box failures aren't impossible, if there's nothing making it to the drum that really leans towards it not charging correctly.

      Edit> Wait is it ONLY on copies? because at that point I would ask if you can see a preview on the printer, could be something wrong with the scanning apparatus.

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        • BillyCarpenter
          Field Supervisor

          Site Contributor
          VIP Subscriber
          10,000+ Posts
          • Aug 2020
          • 14752
          #3
          Re: Blank copy on Canon IR Adv 6075

          Originally posted by cobra
          I am fixing a Canon IR Adv 6075. There is no error but the copy is blank. I make a copy and stop the paper. There is no image on the drum. The primary charger assembly and the primary charging high voltage PCB are new. There is a 24v from the relay board to the upper high voltage unit. Any ideas where I should look next? Thanks for your help.
          Most likely you don't have high voltage regardless of the 24v from the relay board. I'd actually measure the high voltage to make sure or swap the high voltage unit if you have one. Also, check for loose or broken connections.
          Adversity temporarily visits a strong man but stays with the weak for a lifetime.

            Comment

            • M94
              Trusted Tech

              Site Contributor
              100+ Posts
              • Jul 2020
              • 158
              #4
              Re: Blank copy on Canon IR Adv 6075

              Originally posted by BillyCarpenter
              Most likely you don't have high voltage regardless of the 24v from the relay board. I'd actually measure the high voltage to make sure or swap the high voltage unit if you have one. Also, check for loose or broken connections.
              ^This^
              A multimeter could make sure that you aren't chasing your tail

                Comment

                • cobra
                  Technician
                  • Dec 2011
                  • 48
                  #5
                  Re: Blank copy on Canon IR Adv 6075

                  Solved this problem by replacing the Drum Drive Assembly. This assembly includes the main charger terminal that caused the blank copy problem.
                  COBRA

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