Did you do sp2801 and 2805? after changing the developer and drum?
I have ricoh mp4001.the problem is after many copies image become lighter.no toner signal display and toner still full.when i force toner image returned to normal for a few copies. i have change new toner hopper dv and drum but problem still same.how can i solve this.thanks.
Did you do sp2801 and 2805? after changing the developer and drum?
How does SP 3103 show up?
try cleaning the mag roller