Lexmark MX432 Users Guide - Page 189
Step 2, Notes, Settings, Paper, Tray Configuration, Paper Size/Type, Warning-Potential Damage, Action
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Troubleshoot a problem 189 Action Yes Step 2 Go to step 3. a Check if the printer is using a genuine and supported Lexmark toner cartridge. Note: If the toner cartridge is not supported, then install a supported one. b Print the document. No The problem is solved. Does gray background appear on prints? Step 3 Go to step 4. a Depending on your operating system, specify the paper type from the Printing Preferences or Print dialog. Notes: • Make sure that the setting matches the paper loaded. • You can also change the setting from the printer control panel. From the home screen, touch Settings > Paper > Tray Configuration > Paper Size/Type. b Print the document. The problem is solved. Does gray background appear on prints? Step 4 Go to step 5. a Remove, and then insert the imaging unit. Warning-Potential Damage: Do not expose the imaging unit to direct light. Extended exposure to light may cause print quality problems. Warning-Potential Damage: Do not touch the photoconductor drum. Doing so may affect the quality of future print jobs. b Print the document. The problem is solved. Does gray background appear on prints? Step 5 a Update the printer firmware. For more information, see "Updating firmware" on page 50. b Print the document. Go to step 6. The problem is solved. Does gray background appear on prints? Step 6 a Replace the imaging unit. b Print the document. Contact customer The problem is support. solved. Does gray background appear on prints?