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Yes I have reset the PTC counter. I also replaced DC PWB and AC PWB but still no go.

I have an MX-3610N with a similar problem, the machine starts normally but when i make a copy or print the paper stops at the primary trasferbelt and display C4-00.
I have replaced MC PWB, TC PWB,...

Hi mansart,

Thanks for your replay.
I do see the ROM lvl for the PCU pwb, but i did change the board anyway but still no go.

When Im looking through the circuit diagram I think it might be the...

Hi, English is not my native language but I hope you understand.
I have an MX-3640N that wont boot, display is black just some fan starts and the little green LED on the control panel is flashing. ...

I have seen similar problems on MX-M550/620 and MX-3501/4501. In almost all cases, the problem was in the secondary transferbelt. The belt has a tendency to dry out and then starts to slip resulting...

Hi,

It's a common issue if the print jobs get stuck in ripping, that however is corrected in firmware ver 01.12.D0 ICU(main). The latest version today is 01.15.D0.

If still no go, remove the...

Hi, if the copier is connected to a network try to unplug the networkcable. If the machine stops rebooting then the problem is that somewhere in the network there is a non sharp postscript driver...