Light copies on xerox copycenter c-20

Xerox Copycentre c20 digital copier
January 3, 2011 at 15:30:26
Specs: NONE
I HAVE A 3-4 YEAR OLD XEROX COPYCENTER C20 THAT WE ONLY USE FOR MAKING COPIES... WE HAVE HAD ZERO ISSUES WITH THIS UNTIL RECENTLY AND THE COPIES HAVE ALL OF A SUDDEN BECOME LIGHT... WE HAVE REPLACED THE TONER, DRUM AND IF WE MAKE THE COPY AS DARK AS POSSIBLE THEN THEY COME OUT CORRECT... BUT WE SHOULD NOT HAVE TO DO THIS...

THERE IS NOT DUST OR DIRT INSIDE THE MACHINE... PLEASE HELP!!!!


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#1
January 4, 2011 at 10:07:08
You can look for dust with a bright flashlight.

It may be that the lamp is failing or how the system determines how the white or black level is.

Some cameras on scanners use a single black pixel. That is what determines the black level.

The best way is to get the factory service manual. I doubt you can get it but you can look. It would help to see how the white or black level is set or how to test the lamp.

Why did it take me over a year to phone in a problem to ATT?


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#2
January 4, 2011 at 11:39:19
how can i check the black and white light

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