Lexmark 7464-036 MX721ade

Note: Before performing this print quality check, go to the control panel home screen and navigate to Settings > Troubleshooting > Print Quality Test Pages, and then perform the initial print quality check.

Note: Do not replace the fuser due to a wrinkled backup roller (A).

Actions	Yes	No
Step 1 a Check if the printer is using a non-Lexmark toner cartridge. Note: If the printer is using a third.party cartridge, then do not replace the imaging unit. Refer the users to their cartridge supplier b Make sure that the toner cartridge is compatible with the imaging unit. Does the problem remain?	Go to step 2.	The problem is solved.
Step 2 a Check if the paper loaded is from a fresh package. Note: The amount of moisture in paper affects both print quality and printer ability to feed paper correctly. b Make sure that the printer supports the paper loaded. For a complete list of supported paper, see the printer User's Guide. Does the problem remain?	Go to step 3.	The problem is solved.
Step 3 Make sure that the fuser entry guide is free of waste toner and dust. Warning—Potential Damage: Clean the fuser entry guide with a toner vacuum and cloth. Do not use compressed air. Does the problem remain?	Go to step 4.	The problem is solved.
Step 4 If the fuser has reached end of life, then replace the maintenance kit. Does the problem remain?	Contact the next level of support.	The problem is solved.