HP M477 Blank or no black on copies

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  • RMC8112
    Technician
    • Nov 2019
    • 38

    #1

    HP M477 Blank or no black on copies

    I have a M477 that after replacing the fuser for damaged fusing film, when we print the demo page it comes out with no black. Also as the printer printed, i heard the developer motor making a grinding noise. Im thinking thats the reason why the black is not coming out. After reseating the transfer belt, it started printing blank. What do you guys think the problem is and what is making the noise? Im thinking it could also be the toner cartrige but i didnt have any extra toner to try. TIA
  • JR2ALTA
    Service Manager

    Site Contributor
    1,000+ Posts
    • Feb 2010
    • 2027

    #2
    Re: HP M477 Blank or no black on copies

    For the blank print: Did you put the white tabs back into position?

    skip to 5:30 Installing The Transfer Belt In The HP M452 M377 M477 M454 M479 Laser Printer RM2-6454 - YouTube

    For the grinding, I would definitely try cartridges before futzing with drives or motors. Fusers and t-belts aren't even worth the hassle and money, that's as far as I go.

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    • CopierGuy7
      Junior Member
      • Aug 2022
      • 8

      #3
      Re: HP M477 Blank or no black on copies

      Originally posted by JR2ALTA
      For the blank print: Did you put the white tabs back into position?

      skip to 5:30 Installing The Transfer Belt In The HP M452 M377 M477 M454 M479 Laser Printer RM2-6454 - YouTube

      For the grinding, I would definitely try cartridges before futzing with drives or motors. Fusers and t-belts aren't even worth the hassle and money, that's as far as I go.
      ^ exactly what I was going to suggest as well.

      Comment

      • Tricky
        Field Supervisor

        Site Contributor
        2,500+ Posts
        • Apr 2009
        • 2621

        #4
        Re: HP M477 Blank or no black on copies

        Originally posted by RMC8112
        After reseating the transfer belt, it started printing blank.
        Originally posted by JR2ALTA
        For the blank print: Did you put the white tabs back into position?
        .
        Last edited by Tricky; 10-20-2022, 07:00 PM.

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