Lexmark 3400-481 MB2236adw

Performing the initial troubleshooting check

• With the power cord unplugged from the electrical outlet, check if the cord is free from breakage, short circuits, disconnected wires, or incorrect connections.
• Make sure that the printer is properly grounded.
• Make sure that the power supply line voltage is within 10% of the rated line voltage.
• Make sure that the printer is securely installed on a level surface in a well.ventilated area.
• Make sure that the temperature and relative humidity are within the specifications.
• Avoid locations that:
  – Generate ammonia gas
  – Are exposed to direct sunlight
  – Are near open flames
  – Are dusty
• Make sure that the recommended paper for this printer is used.
• Do a test print with paper from a newly opened package, and then check the result.

Before troubleshooting print problems, perform the following:

• Make sure that the printer is located in an area that follows the recommended operating environment and power requirement specifications.
• Check the status of supplies. Replace supplies that are low or empty.
• Load 20.lb (75-80 g/m2) plain letter or A4 paper. Make sure that the paper guides are properly set and locked. From the control panel, set the paper size and type to match the paper loaded in the tray.
• From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages.
• Print and keep the Menu Settings Page. The original page is used to restore the custom settings if necessary. From the control panel, navigate to Settings > Reports > Menu Settings Page, and then press OK.
• On the Menu Settings page, check if the print resolution is set to 600 dpi and the toner darkness is set to Normal.
• Check the toner cartridges for damage, and replace if necessary.
• Make sure that the correct print driver is used to prevent print problems. If the wrong print driver is installed, then incorrect characters could print and the copy may not fit the page correctly.