Lexmark C748x Print irregularities, Troubleshooting 243, Make Sure the Fuser is not Defective

Troubleshooting 243

Print irregularities

Try one or more of the following:

LOAD PAPER FROM A FRESH PACKAGE

The paper may have absorbed moisture due to high humidity. Store paper in its original wrapper until you use it.

CHECK THE PAPER TYPE AND WEIGHT SETTINGS

Make sure the paper type and weight settings match the paper loaded in the tray or feeder:

1From the Paper menu on the printer control panel, check the Paper Type and Paper Weight settings.

2Before sending the print job, specify the correct paper type setting:

•For Windows users, specify the paper type from Print Properties.

•For Macintosh users, specify the paper type from the Print dialog.

AVOID TEXTURED PAPER WITH ROUGH FINISHES

MAKE SURE THERE IS NO DEFECTIVE PRINT OR TONER CARTRIDGE

Replace the worn or defective cartridge.

MAKE SURE THE TRANSFER MODULE IS NOT DEFECTIVE

Replace the defective transfer module.

For more information, see the instruction sheet that came with the replacement part.

MAKE SURE THE FUSER IS NOT DEFECTIVE

Replace the defective fuser.

For more information, see the instruction sheet that came with the replacement part.