Xerox Phaser 750DP User Manual - page 64

Advanced Features and Troubleshooting Manual

55

Troubleshooting Phaser 750 Printers

A single color shows a light, repeating horizontal line

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To fix the problem:

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Run 20-30 prints. The impression will disappear with continued time and use.

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To avoid the problem:

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Occasionally, or a day or two before installing a new Toner Cartridge, rotate the 

gear on the end of the cartridge by at least a quarter turn.    

Prints are missing fine-line detail

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Replace the Imaging Unit.

Dark color spots and dark or light streaks appear in all colors

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Replace the Imaging Unit; make sure that the old Imaging Unit is not exposed to light 

for more than 3 minutes. 

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If a new Imaging Unit does not correct the problem:

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Put the old Imaging Unit back into the printer.

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Repack the new Imaging Unit.

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Replace the Fuser.

Print shows a straight, thin and even, light vertical line in all colors

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Replace the Imaging Unit.