Lexmark 920 with back ground issue

[royalsdrummer]

Hi Guys, I have just been out to a Lexmark 920 and it has really bad back ground, it has only done 60k copies and the drums have already been change. any ideas?

[JustManuals]

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Paul@justmanuals.com

[mojorolla]

Have you checked the cleaner unit on the IT unit? I have seen a few of these go bad.

[royalsdrummer]

Thanks I will check next time i visit the customer, cheers

[royalsdrummer]

HI, i have check transfer belt, changed the black drum and ckeaned the density sensor.

Any more ideas?

[austonrush]

Was this ever fixed? These Printers were garbage to repair, but the problem may lie with a dirty HVPS. Cleaning it sometimes works and other times you must replace it. cheers