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HP FB700 - Strange Pattern in Print

Discussion in 'Hewlett Packard' started by rdm01, Oct 1, 2018.

  1. rdm01

    rdm01 Very Active Member

    1,003
    0
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    Dec 28, 2007
    Portland Metro Area
    Midway through a long print run our operator noticed that there was a weird pattern in the print. We cleaned the encoder strip and sensor (wound up replacing the encoder strip due to some damage during cleaning). Cleaned heads, changed out some ink that was nearly depleted - nothing seems to work.

    Has anyone ran into this issue before? What could be causing this?

    See photo for reference. IMG_1811.jpg
     
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  2. flyplainsdrifta

    flyplainsdrifta Active Member

    572
    115
    43
    Oct 13, 2017
    ct
    how does your carriage sound? i had that issue on my 700 and one of the bearings on the trolley assembly was on its way out and causing vibrations on the carriage while tracking across the rail. if you hear any sort of grinding or squealing or anything of that nature i can almost guarantee that its gonna be that. will need a tech to pull the whole carriage off the rail and reassemble.
     
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