quick help? HP M553 black calibration

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  • ronpfid
    Technician

    50+ Posts
    • Oct 2012
    • 63
    #1

    quick help? HP M553 black calibration

    Got one at a site, all looks perfect EXCEPT when the customer prints text in a darker 'color'. Example
    Light red looks great, but dark red where is seems to mix black with magenta, you can see it looks like the black is off just a bit from the red so the characters are like double image, just enough to give it a blurry look. And it gets a bit worse as you look more towards the right of the page. Ran full calibration a few times. It's almost like the black toner is physically crooked? Is that possible?

    Pure black text of course looks perfect since it's not mixing black with anything.

    Any thoughts on what might make black be slightly out of calibration?
    Tags: black, calibration, hp calibration, red, text
    • Lance15
      Service Manager

      Site Contributor
      1,000+ Posts
      • Jun 2015
      • 1069
      #2
      Re: quick help? HP M553 black calibration

      Are Genuine HP toners being used?

      Possible starting points:
      Faulty cart
      Belt

        Comment

        • blackcat4866
          Master Of The Obvious

          Site Contributor
          10,000+ Posts
          • Jul 2007
          • 22698
          #3
          Re: quick help? HP M553 black calibration

          I'm not familiar with this model ... but on any other color machine I'd do a color calibration. =^..^=
          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

            • ronpfid
              Technician

              50+ Posts
              • Oct 2012
              • 63
              #4
              Re: quick help? HP M553 black calibration

              * I was suspicious of the black toner too. I do know some after market ones aren't so great, I do have quite a few customers using compatibles with no issues, but this might be a funky one. The belt would be an odd thing though, since it's only black and it's 'common' to all colors. I'll try a toner, then if not, I'll post back here.

              * yes, did calibration several times.

              thanks!

                Comment

                • Wild Bill
                  Senior Tech

                  500+ Posts
                  • Jul 2005
                  • 774
                  #5
                  Re: quick help? HP M553 black calibration

                  Originally posted by Lance15
                  Are Genuine HP toners being used?

                  Possible starting points:
                  Faulty cart
                  Belt
                  Cartridge is a good place to start
                  Izzy

                    Comment

                    • ronpfid
                      Technician

                      50+ Posts
                      • Oct 2012
                      • 63
                      #6
                      Re: quick help? HP M553 black calibration

                      Originally posted by Wild Bill
                      Cartridge is a good place to start
                      OK, going to try that I think today, will post results,
                      Thanks everyone!

                        Comment

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