C253 colour issue

[big jase]

Hi All

i have a strange one , the machine is losing colours during print runs , it started with just cyan, so replaced IU , but it now seems to lose any one C M Y , intermitantly . Tried all IU's and Print driver board

Thanks

[minimerlin]

Hi All

i have a strange one , the machine is losing colours during print runs , it started with just cyan, so replaced IU , but it now seems to lose any one C M Y , intermitantly . Tried all IU's and Print driver board

Thanks

HV connections? Or transfer belt unit?

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[kingarthur]

We had the same problem on a C253, it was only when printing, eventually we brought it back to our office to try, it never went wrong, so we concluded, it was either their network...or the print drivers

[copier tech]

Have you got any oil can warnings? P-21 or p-28 etc? had the IDC sensors cause weird faults like that