Lexmark MS312dn User Guide - Page 180

Troubleshooting 180 Action Step 4 a Check if the ports (USB, serial, or Ethernet) are working and if the cables are securely connected to the computer and the printer. Note: For more information, see the setup documentation that came with the printer. b Resend the print job. Yes No The problem is solved. Go to step 5. Do the jobs print? Step 5 The problem is solved. a Turn off the printer, then wait for about 10 seconds, and then turn the printer back on. b Resend the print job. Go to step 6. Do the jobs print? Step 6 a Remove, and then reinstall the printer software. For more information, see "Installing the printer" on page 18. Note: The printer software is available at http://support.lexmark.com. b Resend the print job. The problem is solved. Contact customer support. Do the jobs print? Printing slows down Notes: • When printing using narrow paper, the printer prints at a reduced speed to prevent damage to the fuser. • The printer speed may be reduced when printing for long periods of time, or printing at elevated temperatures. • The printer speed may also be reduced when the printed output resolution is set to 1,200 dpi. Action Yes No Place letter‑ or A4‑size paper in the tray, and then resend the print job. The problem is solved. Contact customer Does the print speed increase? support. Job prints from the wrong tray or on the wrong paper Action Step 1 a Check if you are printing on paper that is supported by the tray. b Resend the print job. Did the job print from the correct tray or on the correct paper? Yes No The problem is solved. Go to step 2.