Agree with a few here, reset drum & dev counters FIRST then install new drum & developer, turn machine on and immediately Execute [Service Mode] → [Imaging Process Adjustment] → [TCR Sensor Adjust]
Agree with a few here, reset drum & dev counters FIRST then install new drum & developer, turn machine on and immediately Execute [Service Mode] → [Imaging Process Adjustment] → [TCR Sensor Adjust]
Yea its possible on the developer. The dev casing leaves the show at around 500K for me. Been keeping these alive past 800K and a dev change. Re condition the roller surface with industrial scotchbrite the brown kind, tape of the roller edges.
Got a DXF file for the dimensions of the dev seals if any one needs it. Use thin black mirror tape and thin duct tape to hold it. Never lost a dev on these machine like i use to on those 250's.
Vacuuming the drum recycling and resting the counters on visits helps a lot.
Believe i have a 363 past 500K somewhere.
Why was it off?
If the print looks good then try TCR adjustment. Please do max density and gradation adjustment. Very forgiving machine.
Now the developer collars those white wheels on the ends of the mag roller that spaces the drum from the magnetic brush.
Those are a problem and needs to be functional. So replace those every other drum change.
So you machine is probably not adding toner for some reason. You would need to check the subhopper assy if the problem persists.
Whatever
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