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kokkerbrick
04-10-2020, 12:23 PM
Hello to all

I have a C6501 that shows C4101.

At first it showed C4104. I took out PH unit K , cleaned it very carefully ,lubricated polygon motor , put all together again .
Machine started and showed C4101 (PH unit Y).
After that I cleaned all PH units, I also changed the fans on the backside of the laser to see if its a "phantom code"
I also switched lasers C-Y and still nothing

Any ideas?

Thank you

Pascal

tsbservice
04-10-2020, 01:55 PM
Check ICP5 on the PRCB. If open verify the operation of M43. If needed replace M43.

GIUBOSS
04-12-2020, 01:46 PM
Try here: https://www.copytechnet.com/forums/konica-minolta/98135-c6501-c4721-then-c4101.html#post466832

kokkerbrick
04-15-2020, 12:36 PM
Check ICP5 on the PRCB. If open verify the operation of M43. If needed replace M43.

Hello

I check all ICP , they're all ok. Also M43 chacnged. Same problem

kokkerbrick
04-15-2020, 12:37 PM
Try here: https://www.copytechnet.com/forums/konica-minolta/98135-c6501-c4721-then-c4101.html#post466832

I checked this first of all.Its not the case

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