HP-T520 24"

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  • Taminol
    Trusted Tech

    Site Contributor
    100+ Posts
    • May 2007
    • 171
    #1

    HP-T520 24"

    Hello all you helpful HP techs
    I've wandered over here from the Konica Minolta forum with a technical issue and wondered if anyone could help....

    We have an HP-T520 in our copyshop, it has not been used for about 4 months because the shop was closed.
    First time switch on we get:
    "Printer Failure: There is a problem with the printer or ink system. Turn printer off, then on. if problem persists, contact HP"
    No code or anything else

    So this is what we did...removed ink cartridges and print head, as seen on HP site. Cleaned excess ink in print head, refitted everything, got same error message, turned off and on, unplugged mains cable, still same message, removed ink cartridges, it recognised there was no ink cartridge. Before we order new print head, which I understand comes with starter ink cartridges, not sure if these cartridges reset the printer. thought I would post this for any suggestions

    Thanks

    Tam
    Tags: cartridges, head, ink, print, printer
    • blackcat4866
      Master Of The Obvious

      Site Contributor
      10,000+ Posts
      • Jul 2007
      • 22703
      #2
      Re: HP-T520 24"

      If you can access the menu, getting an error code would help us help you. But ,If you don't use an ink based plotter for 6 weeks or more, your printhead is hardened up beyond recovery. Running head cleanings generally will consume a lot of ink ... and not help your problem. =^..^=
      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

        • Lance15
          Service Manager

          Site Contributor
          1,000+ Posts
          • Jun 2015
          • 1069
          #3
          Re: HP-T520 24"

          Well known issue with these printheads. High failure rate.

          711 printhead
          C1Q10A

          I keep at least one in stock at all times.

          But, as blackcat also said. If it sits for a long time, it's going to clog and not be recoverable.

            Comment

            • GIUBOSS
              Service Manager

              Site Contributor
              1,000+ Posts
              • Jul 2013
              • 1331
              #4
              Re: HP-T520 24"

              Originally posted by Taminol
              Hello all you helpful HP techs
              I've wandered over here from the Konica Minolta forum with a technical issue and wondered if anyone could help....

              We have an HP-T520 in our copyshop, it has not been used for about 4 months because the shop was closed.
              First time switch on we get:
              "Printer Failure: There is a problem with the printer or ink system. Turn printer off, then on. if problem persists, contact HP"
              No code or anything else

              So this is what we did...removed ink cartridges and print head, as seen on HP site. Cleaned excess ink in print head, refitted everything, got same error message, turned off and on, unplugged mains cable, still same message, removed ink cartridges, it recognised there was no ink cartridge. Before we order new print head, which I understand comes with starter ink cartridges, not sure if these cartridges reset the printer. thought I would post this for any suggestions

              Thanks

              Tam
              You could try to update the firmware

                Comment

                • Taminol
                  Trusted Tech

                  Site Contributor
                  100+ Posts
                  • May 2007
                  • 171
                  #5
                  Re: HP-T520 24"

                  Originally posted by blackcat4866
                  If you can access the menu, getting an error code would help us help you. But ,If you don't use an ink based plotter for 6 weeks or more, your printhead is hardened up beyond recovery. Running head cleanings generally will consume a lot of ink ... and not help your problem. =^..^=
                  You were right, it was the Printhead. We replaced it and Bingo, stunning print quality.
                  Thanks

                    Comment

                    • blackcat4866
                      Master Of The Obvious

                      Site Contributor
                      10,000+ Posts
                      • Jul 2007
                      • 22703
                      #6
                      Re: HP-T520 24"

                      I recommend to all ink based plotter users that the need to run at least 12 square feet per week minimum of full color image. Less than that, and your head will slowly clog up. If you think about the cost of replacing that head, the cost of a couple of prints per week is negligible. =^..^=
                      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

                        • copier tech
                          Field Supervisor

                          5,000+ Posts
                          • Jan 2014
                          • 7934
                          #7
                          Re: HP-T520 24"

                          Originally posted by Taminol
                          You were right, it was the Printhead. We replaced it and Bingo, stunning print quality.
                          Thanks

                          Sorry to dig up an old thread but I have the same issue.

                          Device was working fine, black cartridge prompted to replace, so we fitted a new (genuine) now we get the message "Printer Failure: There is a problem with the printer or ink system. Turn printer off, then on. if problem persists, contact HP"

                          I have a new head on order. Can I ask did you also need to replace a set of inks etc?
                          Let us eat, drink, and be merry, because tomorrow we may die!

                          For all your firmware & service manual needs please visit us at:

                          www.copierfirmware.co.uk - www.printerfirmware.co.uk
                          ​

                            Comment

                            • blackcat4866
                              Master Of The Obvious

                              Site Contributor
                              10,000+ Posts
                              • Jul 2007
                              • 22703
                              #8
                              Re: HP-T520 24"

                              The printhead will come with starter ink cartridges that you must installed to get the process to complete. Now if you set aside the partial removed ink cartridges and install them later (once the starters go empty), I have anecdotal confirmation that the partial cartridges can be consumed to the end. =^..^=
                              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

                                • copier tech
                                  Field Supervisor

                                  5,000+ Posts
                                  • Jan 2014
                                  • 7934
                                  #9
                                  Re: HP-T520 24"

                                  Originally posted by blackcat4866
                                  The printhead will come with starter ink cartridges that you must installed to get the process to complete. Now if you set aside the partial removed ink cartridges and install them later (once the starters go empty), I have anecdotal confirmation that the partial cartridges can be consumed to the end. =^..^=
                                  Thanks for the info BC.
                                  Let us eat, drink, and be merry, because tomorrow we may die!

                                  For all your firmware & service manual needs please visit us at:

                                  www.copierfirmware.co.uk - www.printerfirmware.co.uk
                                  ​

                                    Comment

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