[CQ] bizhub 283 - white dots (starry night) in black areas

[Laserbeam]

Hello,

a bizhub 283 shows white dots (starry night) in black areas. This phenomenon also occurs on single sided copies.
See the attached photos.

[Woxner]

Re: bizhub 283 - white dots (starry night) in black areas

so replace the dev drum and transfer roller. also check the right door ground contacts.

[Laserbeam]

Re: bizhub 283 - white dots (starry night) in black areas

I replaced drum, developer and transfer-roller. The white dots are gone.......