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goldencup
12-28-2013, 08:12 AM
Hi, i have a copy quality problem with one of my bizhub C250. If i print via demo page the copy is fine also via printer. But if i copy an original via top glass or feeder a black square image is blocking the copied image... (see images). Has anyone encountered this problem? This are the things i tried replacing so far just for testing purposes:

all imaging unit
transfer belt assy
CCD

still no luck.
Any idea where this problem came from? Thank you very much.

jotunn
12-28-2013, 02:37 PM
It's not a problem with your machine, don't waste your time - just perform steps XII-XVII from Installation Manual, this will solve your problem.

These are main topics:
- XII. Adjusting Touch Panel
- XIII. Setting Gradation Adjust
- XIV. Date/Time Setting
- XV. Install Date
- XVI. Serial Number Input
- XVII. Unit Change

JustManuals
12-28-2013, 05:14 PM
This Parts & Service Manual can now be purchased for $12.77 and downloaded immediately after payment from:


http://www.justmanuals.com


Paul@justmanuals.com

jwrycza
12-29-2013, 03:07 PM
I would think it almost has to be the Glass. That is the only thing different that comes into play. Remove it and clean both sides thoroughly and see what happens.

Blizzoo
12-30-2013, 11:58 AM
I would think it almost has to be the Glass. That is the only thing different that comes into play. Remove it and clean both sides thoroughly and see what happens.
Nothing happens...
Follow the instructions as jotunn says :)

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