Xerox 7750 用户手册

Use the following table to find specific solutions to print-quality problems.

Open the front door.

Remove the waste cartridge.

Clean the laser window for the color affected 
with the laser window cleaner wand. 

The laser window cleaner wand is located 
inside the front door.

Return the waste cartridge to the printer.

If the problem continues after cleaning the laser 
window, replace the imaging unit that 
corresponds to the color affected.

Toner appears to be missing from the print, 
or is easy to rub off.

Verify that the paper type currently loaded in the 
tray from which you are printing matches the:

■

Correct type for the printer and is properly 
loaded. For information on supported paper 
types and weights, at the printer’s front panel, 
select 

, select 

, then select 

. 

■

Paper type selected on the printer’s front 
panel and in the printer driver. 

If the problem continues:

Do one of the following:

■

Tray 1 (MPT): Remove and re-insert the 
paper. 

■

Trays 2-5: Open and close the selected 
paper tray.

The printer’s front panel prompts you to 
confirm or change the paper type.

At the printer’s front panel, select 

, 

press the 

 button, then do one of the 

following:

■

Select the correct paper type, then press 
the 

 button.

■

Select the next heavier type of paper, 
then press the 

 button. 

Paper types from lightest to heaviest are: 
Plain Paper, Heavy Plain Paper, Thin Card 
Stock, Thick Card Stock.