Lexmark 7464-337 MX722adhe
Troubleshooting. Print quality. Horizontal light bands check
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.
Actions | Yes | No |
---|---|---|
Step 1 Remove, and then clean the imaging unit contacts. Does the problem remain? |
Go to step 2. | The problem is solved. |
Step 2 Check if the printer is using a genuine and supported Lexmark imaging unit. Is the printer using a genuine and supported imaging unit? |
Go to step 4. | Go to step 3. |
Step 3 Install a genuine and supported imaging unit. Does the problem remain? |
Go to step 4. | The problem is solved. |
Step 4 Turn off the printer, wait for 10 seconds, and then turn on the printer. Does the problem remain? |
Go to step 5. | The problem is solved. |
Step 5 a Remove the HVPS. b Check if the HVPS wire connectors are pinched or damaged. Are the wire connectors pinched or damaged? |
Go to step 6. | Go to step 7. |
Step 6 Repair or replace the wire connectors. Does the problem remain? |
Go to step 7. | The problem is solved. |
Step 7 a Remove the right cover. b Check connection J15 from the controller board to the HVPS, and then check all other connections on the HVPS. Are the connections properly connected? |
Go to step 9. | Go to step 8. |
Step 8 Replace the connections. Does the problem remain? |
Go to step 9. | The problem is solved. |
Step 9 Replace the HVPS. Does the problem remain? |
Contact the next level of support. | The problem is solved. |