IPF8000 printing with faint grey lines

Discussion in 'Large Format Inkjet Printers' started by madmandare, Aug 27, 2016.

  1. madmandare

    madmandare Member

    Joined:
    Oct 2010
    Messages:
    21
    Location:
    Nottingham
    Hello everyone,

    My Canon ipf8000 is printing with faint grey lines across the width of every print.

    I've attached an image here of what i mean:

    https://s31.postimg.io/66dej8thn/IMG_3382.jpg
    https://s9.postimg.org/dbjghr91r/IMG_3380.jpg

    I have replaced the Left Printhead (contains black and greys) mutliple times. I have also replaced the Flexible Cable Assembly and the Printhead Relay PCB.

    I have also ordered a Carriage Relay PCB and a Linear Scale.

    I have done every calibration possible, and these lines just appear on all print.

    I thought it might be a head crashing issue, but head height is set to Highest and paper vacuum strangth is set to strongest.

    I have also cleans the carriage and the underside of the printheads.

    Does anyone have any ideas?

    Many Thanks

    Marcus
     
  2. Gareth

    Gareth New Member

    Joined:
    Oct 2017
    Messages:
    2
    Location:
    Colwyn Bay
    Hi Marcus,

    I have the same issue with an ipf8000, did you resolve the problem?

    thanks

    Gareth
     
  3. madmandare

    madmandare Member

    Joined:
    Oct 2010
    Messages:
    21
    Location:
    Nottingham
    Hi Gareth,

    In the end, i had to change the Main Board PCB, as everything else did not fix the issue.

    But changing the Main Board sorted it. I think it was defective as it was a second hand board anyway.

    Good Luck
     

  4. Gareth

    Gareth New Member

    Joined:
    Oct 2017
    Messages:
    2
    Location:
    Colwyn Bay
    OK, thanks, and thank you for your quick response.
     
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