Ricoh 2075 Heavy background or Negative Copy

[scenicmike]

Check the bias contact and the drum earth. If it still has a problem put the old drum back in and see what happens.

I 'll check it and i will let you know!

[NeoMatrix]

I'm incline to agreed with Lagonda....

Looks similar to when a staple is stuck to the dev roller/doc blade, or worn bearing/metal shards short out the developer unit bias.


HTH

[Phil B.]

All parts are genuine! Toner and developer. Only the drum is a Katun Performance. And after the problem, the machine is vacuumed and everything is clean.
I 'm in a dead end!

get a real drum... katun drums are crap

[usta]

Check the bias contact and the drum earth. If it still has a problem put the old drum back in and see what happens.

Check the cables from the adf unit to the back cards. We met. The problem was solved when we changed these cables.

[Codex]

check the corona bias...had a similar problem and in my case it was the charge bias