light copy 7155

[smiley]

hi guys any body can suggest me what i should do.i never work on this model for a very long time. it creats light copy the drum and the dev are still new it has 10k on it.

[Darren King]

Check the back of the dev unit. There are gears that are likely worn. Especially the small idler gear
Hope this helps
Darren

[smiley]

hi guys here what i do.i check all the dev gears and thy work fine.i do cartrigde set and after a thousands of copy now the machine is over tone.i dont know what to do next.