Black copy with TA-520i

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  • kaborwen
    Trusted Tech
    • Feb 2010
    • 146
    #1

    Black copy with TA-520i

    Hi all,
    I have black copy and prints with TA-520i. The problem is not all time. It's random problem. I check main charge and all HV contacts. I need a solution please. Thx.
    Tags: None
    • JustManuals
      Field Supervisor

      5,000+ Posts
      • Jan 2006
      • 9838
      #2
      Re: Black copy with TA-520i

      This Parts & Service Manual can now be purchased for $12.77 and downloaded immediately after payment from:


      Just Manuals, The Internet's largest selection of manuals ~ Instant Downloads


      Paul@justmanuals.com

        Comment

        • blackcat4866
          Master Of The Obvious

          Site Contributor
          10,000+ Posts
          • Jul 2007
          • 22973
          #3
          Re: Black copy with TA-520i

          It's going to be something related to primary charge. How about replacing the primary charge unit, and if it returns HVT? =^..^=
          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

            • kaborwen
              Trusted Tech
              • Feb 2010
              • 146
              #4
              Re: Black copy with TA-520i

              I didn't replace them, but I sow something wrong on the Power suply board. the big capacitor does not value it should. Do you think it's can make this problem? I will change it.

                Comment

                • 20gaugeO/U
                  Senior Tech

                  500+ Posts
                  • Feb 2009
                  • 553
                  #5
                  Re: Black copy with TA-520i

                  Check the grounding tabs to the transfer roller on the left side door. If they are bent you can get strange black bands sometimes covering the entire page.

                    Comment

                    • kaborwen
                      Trusted Tech
                      • Feb 2010
                      • 146
                      #6
                      Re: Black copy with TA-520i

                      Originally posted by 20gaugeO/U
                      Check the grounding tabs to the transfer roller on the left side door. If they are bent you can get strange black bands sometimes covering the entire page.
                      Ok I will check and let you know.
                      THx

                        Comment

                        • To@ster
                          #7
                          Re: Black copy with TA-520i

                          unplug cleaning motor from corona charger, remove grid by removing one screw, take off small metalic shaped wire, most of the time making bad contact with charger unit. Put back grid and leave unpluged cleaning motor.

                            Comment

                            • kaborwen
                              Trusted Tech
                              • Feb 2010
                              • 146
                              #8
                              Re: Black copy with TA-520i

                              I replace main charge unit and it's working fine. thx all.

                                Comment

                                • blackcat4866
                                  Master Of The Obvious

                                  Site Contributor
                                  10,000+ Posts
                                  • Jul 2007
                                  • 22973
                                  #9
                                  Re: Black copy with TA-520i

                                  You're welcome.

                                  Thanks for posting back the results. =^..^=
                                  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

                                    • MFPTech
                                      Trusted Tech

                                      250+ Posts
                                      • Nov 2010
                                      • 486
                                      #10
                                      Re: Black copy with TA-520i

                                      I was wondering if this problem came back after you replaced the MC Corona.
                                      A colleague of mine had exactly the same issue when he did a PM. Then he put the old MC Corona back and the problem went away.
                                      The problem just came back and the call got assigned to me. Before heading out there thought to check the forum.

                                      Thanks!

                                        Comment

                                        • MFPTech
                                          Trusted Tech

                                          250+ Posts
                                          • Nov 2010
                                          • 486
                                          #11
                                          Re: Black copy with TA-520i

                                          Update; replaced the MC Corona and the problem got fixed. Was able to recreate the problem with the old MC Corona. The problem hasn't come back.

                                            Comment

                                            • kaborwen
                                              Trusted Tech
                                              • Feb 2010
                                              • 146
                                              #12
                                              Re: Black copy with TA-520i

                                              Originally posted by MFPTech
                                              Update; replaced the MC Corona and the problem got fixed. Was able to recreate the problem with the old MC Corona. The problem hasn't come back.
                                              It was not the corona problem cause printing was OK only copy get black. In my case it's was the scanner PWB.

                                                Comment

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