Lexmark 3400-481 MB2236adw
Troubleshooting. Print quality 2. Gray or solid background check
| Action | Yes | No |
|---|---|---|
| Step 1 a Make sure that the toner cartridge is supported. b Make sure that the toner cartridge and imaging unit are not empty. c Check if the toner cartridge is new. Is the toner cartridge new? |
Go to step 2. | Go to step 3. |
| Step 2 Make sure to remove the packing material on the toner cartridge and imaging unit. Does the problem remain? |
Go to step 3. | The problem is solved. |
| Step 3 a Clear the paper path of debris and contamination. b Remove, and then insert the imaging unit and toner cartridge. Note: Shake the toner cartridge and imaging unit before inserting them. c Perform a POR. d Enter the Diagnostics menu, and then select Advanced Print Quality Samples. Does the problem remain? |
Go to step 4. | The problem is solved. |
| Step 4 a Make sure that the toner cartridge is properly installed and free of damage. b Make sure that the smart chip contacts are free of corrosion and contamination. c Make sure that the developer roller surface is free of damage. d Make sure that the toner HVPS contacts are free of corrosion and contamination. e Enter the Diagnostics menu, and then select Advanced Print Quality Samples. Does the problem remain? |
Go to step 5. | The problem is solved. |
| Step 5 Replace the toner cartridge. Does the problem remain? |
Go to step 6. | The problem is solved. |
| Step 6 a Make sure that the imaging unit is properly installed and free of damage. b Make sure that the smart chip contacts are free of corrosion and contamination. c Make sure that the photoconductor roller surface is free of damage. d Make sure that the imaging unit HVPS contacts are free of corrosion and contamination. e Enter the Diagnostics menu, and then select Advanced Print Quality Samples. Does the problem remain? |
Go to step 7. | The problem is solved. |
| Step 7 Replace the imaging unit. Does the problem remain? |
Go to step 8. | The problem is solved. |
| Step 8 a Check the HVPS toner contact spring for proper installation and damage. b Check the toner smart chip contact for proper installation and damage. c Check the toner contact spring for corrosion and contamination. Are the HVPS toner contact spring and toner smart chip contact properly installed and free of damage and contamination? |
Go to step 10. | Go to step 9. |
| Step 9 a Make sure that the HVPS toner contact spring is in proper contact with the toner cartridge. b Make sure that the HVPS toner contact spring is in proper contact with the HVPS. c Reseat the smart chip contact cable. Does the problem remain? |
Contact the next level of support. | The problem is solved. |
| Step 10 a Check the imaging unit contact spring for damage and contamination. b Make sure that the imaging unit contact spring is in proper contact with the HVPS. Is the imaging unit contact spring properly installed, and free of damage and contamination? |
Contact the next level of support. | The problem is solved. |
| Step 11 a Make sure that the transfer roller is properly installed and free of damage and contamination. b Make sure that the HVPS contact spring is properly connected to the transfer roller. c Make sure that the transfer roller spring is properly installed. d Enter the Diagnostics menu, and then select Advanced Print Quality Samples. Does the problem remain? |
Go to step 12. | The problem is solved. |
| Step 12 a Reseat the transfer roller. b Enter the Diagnostics menu, and then select Advanced Print Quality Samples. Does the problem remain? |
Go to step 13. | The problem is solved. |
| Step 13 Replace the transfer roller. See “Transfer roller removal”. Does the problem remain? |
Go to step 14. | The problem is solved. |
| Step 14 Adjust the toner darkness. Does the problem remain? |
Go to step 15. | The problem is solved. |
| Step 15 a Check the HVPS characterization. b Reseat the HVPS cables. c Check the HVPS cables for proper installation and damage. d Check the HVPS spring contact for proper connection to the board. Is the HVPS properly installed and free of damage? |
Go to step 17. | Go to step 16. |
| Step 16 Replace the HVPS. See “HVPS removal”. Note: Make sure to perform the HVPS characterization when replacing the HVPS. Does the problem remain? |
Go to step 17. | The problem is solved. |
| Step 17 a Reseat all the cables connected to the LVPS. b Check the cables for proper connection and damage. c Check the fuse for continuity. d Check the electronic components on the LVPS for damage. e Check the LVPS for proper installation and damage. Is the LVPS properly installed and free of damage? |
Go to step 20. | Go to step 18. |
| Step 18 a Make sure that the LVPS is compatible with the fuser and the printer. b Make sure that the fuser connector has voltage. c Make sure that the correct power input voltage is used. Does the problem remain? |
Go to step 19. | The problem is solved. |
| Step 19 Replace the LVPS. See “LVPS removal”. Does the problem remain? |
Go to step 20. | The problem is solved. |
| Step 20 a Check the controller board for proper installation and damage. b Reseat all the cables on the controller board. Is the controller board properly installed and free of damage? |
Contact the next level of support. | Go to step 21. |
| Step 21 Replace the controller board. See “Controller board removal”. Does the problem remain? |
Contact the next level of support. | The problem is solved. |