Color calibration and registration error

[YasirRisay]

Hello everyone
I have DCP700i. I can't get the CMY calibration on center of the paper and the only correct is the black. As the 3 colors bars start from 8.5cm and it ends exceeding the paper edge plus very poor printing colors quality. (No error code showing)
Please would anyone help to figure what's wrong?

[gabiene]

Hi,

It will be better if you upload some images here.

It could be dirty MOB sensor, dirty laser windows or a defective ROS (laser unit).

Gabi

[YasirRisay]

Color calibration test

[YasirRisay]

[gabiene · Accepted solution]

Hi,

It looks like the YMC drum drive pwb (part no. 960K37020) is faulty.

Gabi

[YasirRisay]

Thank you so much for your help.
Exactly it's drum drive PWB error
I change the PWB unit and now back to normal.