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techmayor92
06-22-2015, 03:31 PM
please can anyone help with p p21 p7 on Konical Minolta 353 please and please someone should help me out thanks

Max
06-22-2015, 04:38 PM
Call the engineer and have it serviced properly. Will probably require spare parts also.

elpadre
06-22-2015, 04:45 PM
Think that is excess of toner in developer, have you verified the imaging units? the imaging units can be heavier than normal and get this code, that means that there are too much toner on it;

have got it sometimes on BH C252 and C250, i used to remove some of the developer and "BURN" the excess toner with about 20 or 30 prints of full color that is showing the error code.

try to remove the print units and turn the developer roller gear with bare hands, if it's very heavy and dificult to turn, it coul'be the problem that you're having.

if you remove the developer from the unit, don't forget to put it back after the procedure...

copier addict
06-22-2015, 07:02 PM
P21 is magenta IU failure. P7 is test pattern failure, likely caused by the magenta IU's failure.
I wouldn't do the things suggested in the previous post. But that's just me.
Replace magenta IU
Hope this helps

allan
06-22-2015, 07:13 PM
Screwing with those IU's don't fix anything for too long.
Do u know how to print half-tones?

techmayor92
07-24-2015, 09:05 AM
Thanks people i really appreciate am also an technician

Thanks


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