xerox 5790 black solid lines

[ashish kumar]

black lines are coming and have cleaned drum unit coronas then also it is coming continously wht to do..img-904200628-0001.jpg

[Flash]

It looks like your HV power supply is going bad.

[xcopytech]

From diagnostic test hvps outputs.

If hvps test fail for charge corona or grid then replace drum assy.

[mkdirs]

change the Drum (xerographic module)

[ashish kumar]

From diagnostic test hvps outputs.

If hvps test fail for charge corona or grid then replace drum assy.

I have changed the drum then also it is coming

[adriansto]

Remove transfer unit from machine, start to print configuration report and check the image on drum how it looks.

[xcopytech]

Did you test hvps outputs from diagnostic?

[ashish kumar]

Remove transfer unit from machine, start to print configuration report and check the image on drum how it looks.

i have remove transfer unit from machine and print the cofiguration report there is no image on the drum

[adriansto]

i have remove transfer unit from machine and print the cofiguration report there is no image on the drum

You must stop the machine before the paper sheet go into the fuser.

[ashish kumar]

i had done that but there is no image on the drum