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eugenionitza
08-08-2013, 07:30 PM
Hi
I have a problemwith a KM bizhub C352 copier gives me error P-21 (manual-Colorshift pattern test failure)
When I print the paper is fullmagenta ( see photo attachments)
when I give black copy no problem with magenta
ichanged themagentaunitwithanother andthe same problem,
please help
thanks
Eugen

tech51
08-08-2013, 07:37 PM
I think the magenta write unit has failed. It's quite rare on this model, I have only had one fail ever but it gave exactly this fault.

eugenionitza
08-08-2013, 07:44 PM
I changed the magenta unit with another and same problem,
it was 2 error code P-7 and P-21 but after restart dissapeared and remained only P-21

thanks
Eugen

copier addict
08-08-2013, 08:43 PM
I changed the magenta unit with another and same problem,
it was 2 error code P-7 and P-21 but after restart dissapeared and remained only P-21

thanks
Eugen

Tech51 was talking about the printhead, not the imaging unit. Try swapping it with one of the other colours. If the problem follows, you know what to do.
Hope this helps.

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08-08-2013, 08:49 PM
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EarthKmTech
08-09-2013, 04:21 AM
unplug. clean the contacts and reconnect the flat ribbon cable at the MFP board side that goes to the print heads.

Common problem - poor contact due to oxidisation of the pins.

eugenionitza
08-09-2013, 09:09 AM
thanks all , now it works

I recleaned all sensors, all jacks cleaned everything contact

problem solved ...

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