Lexmark CS820

• Code: 84
• Description: A photoconductor unit end of life error was detected: • The photoconductor unit life is low, nearly low, or very low. • The photoconductor unit needs to be replaced.
• Remedy: Step 1 a Make sure that the cartridge or photoconductor unit is installed. b Check if the cartridge or photoconductor unit is supported, and replace if necessary. Does the problem remain? Go to step 2. The problem is solved. Step 2 a Make sure that the cartridge or photoconductor unit is properly installed. b Make sure that the cartridge or photoconductor cables are properly connected. Does the problem remain? Go to step 3. The problem is solved. Step 3 Check the cartridge or photoconductor contacts for damage, and replace if necessary. Does the problem remain? Go to step 4. The problem is solved. Step 4 Check the controller board pins for damage, and replace if necessary. See “Controller board removal”. Does the problem remain? Contact the next level of support. The problem is solved.

• Code: 85
• Description: A developer unit end of life error was detected: • The developer unit life is low, nearly low, or very low. • The developer unit needs to be replaced.
• Remedy: Step 1 a Make sure that the cartridge or photoconductor unit is installed. b Check if the cartridge or photoconductor unit is supported, and replace if necessary. Does the problem remain? Go to step 2. The problem is solved. Step 2 a Make sure that the cartridge or photoconductor unit is properly installed. b Make sure that the cartridge or photoconductor cables are properly connected. Does the problem remain? Go to step 3. The problem is solved. Step 3 Check the cartridge or photoconductor contacts for damage, and replace if necessary. Does the problem remain? Go to step 4. The problem is solved. Step 4 Check the controller board pins for damage, and replace if necessary. See “Controller board removal”. Does the problem remain? Contact the next level of support. The problem is solved.

• Code: 88
• Description: A toner cartridge end of life error was detected: • The toner cartridge supply is low, nearly low, or very low. • The toner cartridge needs to be replaced.
• Remedy: Action Yes No Step 1 a Make sure that the cartridge or photoconductor unit is installed. b Check if the cartridge or photoconductor unit is supported, and replace if necessary. Does the problem remain? Go to step 2. The problem is solved. Step 2 a Make sure that the cartridge or photoconductor unit is properly installed. b Make sure that the cartridge or photoconductor cables are properly connected. Does the problem remain? Go to step 3. The problem is solved. Step 3 Check the cartridge or photoconductor contacts for damage, and replace if necessary. Does the problem remain? Go to step 4. The problem is solved. Step 4 Check the controller board pins for damage, and replace if necessary. See “Controller board removal”. Does the problem remain? Contact the next level of support. The problem is solved.

• Code: 900.xx
• Description: RIP firmware errors
• Remedy: There are different types of 900.xx errors that can occur. There may be a communication problem (bad cable, network connection, and so on) software issue, or a hardware problem with the controller board, or ISP (internal solutions port). The communication and software aspects should be checked first. Determine if the problem is constant or intermittent. Use the following troubleshooting procedure to isolate the issue. Take notes as instructed. You will need that information in the event that you need to contact your next level of support.

• Code: 980.xx, 981.xx, 982.xx
• Description: 980.xx Engine experiencing unreliable communication with the specified device. Note: <device> can be one of the following: . Optional 550.sheet tray . Optional 2200.sheet tray . Optional staple finisher 981.xx Engine protocol violation detected by the specified device. Note: <device> can be one of the following: . Optional 550.sheet tray . Optional 2200.sheet tray . Optional staple finisher 982.xx Communications error detected by the specified device. Note: <device> can be one of the following: . Optional 550.sheet tray . Optional 2200.sheet tray . Optional staple finisher
• Remedy: Step 1 Disconnect the output option. Does the problem remain? Go to step 2. Go to step 9. Step 2 a Check if the firmware is updated, and then update if necessary. b Make sure that the printer supports the input option. c Make sure that the input option is properly attached to the printer or adjacent option. d Reset the printer. Does the problem remain? Go to step 3. The problem is solved. Step 3 Reseat the printer interface cable on the printer controller board. Does the problem remain? Go to step 4. The problem is solved. Step 4 Do the following to each input option: a Reinstall the input option. b Print a test page, and then check if the input option is defective. Is there an input option that is not properly working? Go to step 5. If the error persists, then contact the next level of support. Step 5 Reseat the interface cable of the affected input option. Does the problem remain? Go to step 6. The problem is solved. Action Yes No Step 6 Check the input option interface cable for damage. Is the cable free of damage? Go to step 8. Go to step 7. Step 7 Replace the input option interface cable. Does the problem remain? Go to step 8. The problem is solved. Step 8 Replace the input option controller board. Does the problem remain? Contact the next level of support The problem is solved. Step 9 Check the output option locking mechanism for damage. Is the lock free of damage? Go to step 11. Go to step 10. Step 10 Replace the lock. Does the problem remain? Go to step 11. The problem is solved. Step 11 Reinstall the output option. Does the problem remain? Go to step 12. The problem is solved. Step 12 Check the output option interface cable: • Check the connectors and its pins for damage. • Check the cable for cuts and exposed wires. Is the cable free of damage? Go to step 14. Go to step 13. Step 13 Replace the output option interface cable. Does the problem remain? Go to step 14. The problem is solved. Step 14 Reseat all connectors on the output option controller board. Does the problem remain? Go to step 15. The problem is solved. Step 15 Replace the output option controller board. Does the problem remain? Contact the next level of support The problem is solved.

• Code: 983.xx, 984.xx
• Description: 983.xx Invalid command received by the specified device. Note: <device> can be one of the following: . Optional 550.sheet tray . Optional 2200.sheet tray . Optional staple finisher. 984.xx Invalid command parameter received by the specified device. Note: <device> can be one of the following: . Optional 550.sheet tray . Optional 2200.sheet tray . Optional staple finisher
• Remedy: Step 1 Disconnect the output option. Does the problem remain? Go to step 2. Go to step 9. Step 2 a Check if the firmware is updated, and then update if necessary. b Make sure that the printer supports the input option. c Make sure that the input option is properly attached to the printer or adjacent option. d Reset the printer. Does the problem remain? Go to step 3. The problem is solved. Step 3 Reseat the printer interface cable on the printer controller board. Does the problem remain? Go to step 4. The problem is solved. Step 4 Do the following to each input option: a Reinstall the input option. b Print a test page, and then check if the input option is defective. Is there an input option that is not properly working? Go to step 5. If the error persists, then contact the next level of support. Step 5 Reseat the interface cable of the affected input option. Does the problem remain? Go to step 6. The problem is solved. Step 6 Check the input option interface cable for damage. Is the cable free of damage? Go to step 8. Go to step 7. Step 7 Replace the input option interface cable. Does the problem remain? Go to step 8. The problem is solved. Step 8 Replace the input option controller board. Does the problem remain? Contact the next level of support The problem is solved. Step 9 Check the output option locking mechanism for damage. Is the lock free of damage? Go to step 11. Go to step 10. Step 10 Replace the lock. Does the problem remain? Go to step 11. The problem is solved. Step 11 Reinstall the output option. Does the problem remain? Go to step 12. The problem is solved. Step 12 Check the output option interface cable: • Check the connectors and its pins for damage. • Check the cable for cuts and exposed wires. Is the cable free of damage? Go to step 14. Go to step 13. Step 13 Replace the output option interface cable. Does the problem remain? Go to step 14. The problem is solved. Step 14 Reseat all connectors on the output option controller board. Does the problem remain? Go to step 15. The problem is solved. Step 15 Replace the output option controller board. Does the problem remain? Contact the next level of support The problem is solved.