Print quality issues (lines)

[Albonline]

The lines are exacly on the same place on al the colors CMY.


this points to the transfer belt, though you say black is good?

[Albonline]

print out the half tone charts from service mode.

[needhelp]

I did print out the half tone pattern its in the same PDF file

The issue is solved now, I changed the Y en C drum again with new ones and took out the PH unit and cleaned it good!

thanks for the help!