Lexmark 7559-778 CX924dte
Troubleshooting. Print quality 1. Horizontal colored lines or banding check
| Action | Yes | No |
|---|---|---|
| Step 1 a Reseat the following components: • Toner cartridge • Photoconductor • Transfer roller • Transfer belt b Use the brush provided to clean the printhead. c Clean toner spills inside the printer. d Print sample pages. Enter the Diagnostics menu, and then navigate to: Advanced Print Quality Samples > Advanced Print Quality Test Pages e Check the test pages. Does the problem remain? |
Go to step 2. | The problem is solved. |
| Step 2 Perform the repeating defects check. See “Repeatina defects check” on paae 74. Does the problem remain? |
Go to step 3. | The problem is solved. |
| Step 3 a Clean the photoconductor contacts of the affected color. b Check the photoconductor for proper installation and damage. Is the photoconductor properly installed and free of damage? |
Go to step 5. | Go to step 4. |
| Step 4 Replace the affected photoconductor. Does the problem remain? |
Go to step 5. | The problem is solved. |
| Step 5 a Clean the transfer belt contacts. b Check the transfer belt for proper installation and damage. Is the transfer belt properly installed and free of damage? |
Go to step 7. | Go to step 6. |
| Step 6 Replace the transfer belt. See “Transfer belt removal” on paae 443. Does the problem remain? |
Go to step 7. | The problem is solved. |
| Step 7 a Clear the transfer roller of contamination. b Check the roller for proper installation and damage. Is the roller properly installed and free of damage? |
Go to step 9. | Go to step 8. |
| Step 8 Replace the transfer roller. Does the problem remain? |
Go to step 9. | The problem is solved. |
| Step 9 a Reseat the developer unit of the affected color. b Reseat the developer unit cable connector on both ends. c Check the developer unit for proper installation and damage. Is the developer unit properly installed and free of damage? |
Go to step 11. | Go to step 10. |
| Step 10 Replace the developer unit of the affected color. See “Developer unit (Y) removal”, “Developer unit (M) removal”, “Developer unit (C) removal”, or“Developer unit (K) removal”.Does the problem remain? |
Go to step 11. | The problem is solved. |
| Step 11 a Reseat the fuser. b Clear the fuser of contamination. c Reseat the fuser cable connectors on both ends. d Check the fuser for proper installation and damage. Is the fuser properly installed and free of damage? |
Go to step 13. | Go to step 12. |
| Step 12 Replace the fuser. See “Fuser removal”. Does the problem remain? |
Go to step 13. | The problem is solved. |
| Step 13 a Reseat all cable connectors on the HVPS. b Make sure that the HVPS contact springs are properly connected to the HVPS. c Check the HVPS for proper installation and damage. Is the HVPS properly installed and free of damage? |
Contact the next level of support. | Go to step 14. |
| Step 14 Replace the HVPS. See “High voltage board removal”. Does the problem remain? |
Contact the next level of support. | The problem is solved. |