Image quality problem


Joined
Apr 23, 2014
Messages
2
Greetings,

A little about me.
I am an experienced printer break fix technician.
With the problem I have now I am completely stumped.

Printer
Lexmark T640n

The problem.
The image prints with the right side having a vertical white scalloped stripe.
I have attached a photo of the output.

I have also attached a photo of the image drum after a half print.
This is showing that the image is not being developed on the image drum.

Parts replaced so far;

Toner
Charge roller (new)
High Voltage Power Supply (known working)
laser scanner (known working)
system board (new)

Anyone got any suggestions?

Thank you for your time.

Greg
 

Attachments

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