Xerox 750 用户指南

Cleaning the sensor

If your printer’s front panel displays Error 30, clean the sensor inside the printer.

Turn the printer off and open the printer’s front door.

Remove the Imaging Unit:

Loosen the two thumbscrews by turning them counterclockwise.

Turn the lower lever 180 degrees counterclockwise.

Slide the Imaging Unit out of the printer and cover it to protect it from light 
exposure.

Use a dry, lint-free cloth to wipe the sensor (inside the slot).

Re-insert the Imaging Unit.

Close the printer’s front door and turn on the printer. 

Cleaning other rollers

When you clean any of the other rollers in the printer, always use a lint-free cloth.

Do not clean the transfer roller; alcohol and pressing on the roller can damage the 
roller and cause print-quality problems.

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