Canon IR3235 print half fade

[megasys]

prints page half (50% of the page) fade, other half side is in good quality.
drum has been replaced, still problem exists. is it problem with development unit?

[Rachid.Akli]

prints page half (50% of the page) fade, other half side is in good quality.
drum has been replaced, still problem exists. is it problem with development unit?

Hello,

The dev unit can cause this kind of a quality issue because of a default in dev/drum pressure or the dev cylinder toner coverage.

A dirty laser or a dirty dust proof glass can also cause this print issue

The third cause can be the transfer roller which is not in its place.

N.B : Sending a print sample will help.

Rachid.