c258 dumping yell dev

[seriches]

have a c258 first print out demo page or test copy is fine, after a run about 10 mc starts haveing yell wash in background and yell dev is the depleated tottaly empty
any ideas
tried drum new
dev unit new
td also new
ram dumped the mc firmware all done
steve r

[tsbservice]

Check ALL consumables(Drums, devs, TB) and replace all that is overdue not just yellow.
There is known issue when HV is arcing so you may also check all contacts.
Lastly make sure your filters are not clogged.

[seriches]

Check ALL consumables(Drums, devs, TB) and replace all that is overdue not just yellow.
There is known issue when HV is arcing so you may also check all contacts.
Lastly make sure your filters are not clogged.

thanks yes all 4 devs new and 4 drums but still same very weird fault as i said turn mc of on ie reboot image is perfect try and do a run a no go checked all conectors will try hvt