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mrwho
06-09-2011, 01:23 PM
I've got a colleague over the phone asking me for help on this. Everything I could think of he told me has been done:

- New Drum Unit
- New Developer
- New Transfer Roller

I'm stumped. Could it be the developer unit itself? The interval between the defects doesn't suggest that. Maybe something else?

10228

Thanks.

SPBE
06-09-2011, 02:17 PM
Yeah, I would replace the dev. unit.

mrfixit
06-09-2011, 02:46 PM
I agree, try the dev unit. if you roll that copy into a tube lining up the marks I'll bet the circumfrance is the same as the mag roller

mo0651
06-09-2011, 02:52 PM
check all the little copper grounding contacts around the drum and trans roller. see if they are making good contact.

Hansoon
06-10-2011, 06:22 AM
As suggested above, first check the copper contacts. If not than its the developing unit. Likely there is something wrong inside of the mag roller. How many copies made the developing unit until now?

Hans

fixthecopier
06-10-2011, 10:22 AM
sounds like its time for new DV collars.
Bizhub 250/350 eating drums (http://www.copytechnet.com/forums/showthread.php?t=9888&highlight=eating+drums)

solis557
07-07-2011, 04:19 PM
That is a dv unit issue replace it along with new dv

mitchl
07-07-2011, 09:25 PM
That is a dv unit issue replace it along with new dv
Or if you have access to another machine toss its IU in and try to get a copy before it throws a ATDC code, which may or maynot happen.

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