New (manufacturer) toner cart, test p fine, blacks fine, grays waaay too faint

Discussion in 'Printer Repair' started by Chris Berendes, Aug 27, 2017.

  1. Chris Berendes

    Chris Berendes

    Aug 27, 2017
    Likes Received:

    Test page looks fine.
    Black print is fine, but anything that's meant to be gray is too faint.

    I'd replaced the toner cartridge a while ago with a reliable knock-off, and the problem continued, so I just got a Brother TN420 cartridge, and still have the problem.

    The drum unit has also been replaced, and shows 88% life remaining.

    It also seems to me (but I've not rigorously tested) that different fonts, all set to black, print differently – some fine, some faint.
    Chris Berendes, Aug 27, 2017
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