WorkCentre 7775

[Joe Arseneau · Accepted solution]

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.

[Kssmith]

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.