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New Member
New Member

WorkCentre 7775

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All colors print fine except black, it's very faint.

Calibration does nothing.

Toner full, black print drum replaced.

I do notice something new, black toner is piling up on top of the black print drum after running a 20 page job.

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Valued Advisor
Valued Advisor

Re: WorkCentre 7775

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That would make it a developer housing issue, which isn't customer replaceable, you would likely need to call service, or buy the part through a 3rd party and google a copy of the service manual.

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Joe Arseneau
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