Lexmark MX431 Users Guide PDF - Page 186
Poor fax print quality, Scanning problems, Cannot scan from a computer
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Troubleshoot a problem 186 Poor fax print quality Action Step 1 Make sure that there are no print quality defects. a From the control panel, touch Settings > Troubleshooting > Print Quality Test Pages. b Correct any print quality defects. For more information, see "Print quality problems" on page 160. Yes The problem is solved. Is the fax print quality satisfactory? Step 2 Decrease the incoming fax transmission speed. The problem is solved. a From the control panel, touch Settings > Fax > Fax Setup > Fax Receive Settings > Admin Controls. b In the Max Speed menu, select a lower transmission speed. Is the fax print quality satisfactory? No Go to step 2. Contact customer support. Scanning problems Cannot scan from a computer Action Yes Step 1 The problem is a Turn off the printer, wait for about 10 seconds, and then turn it solved. back on. b Resend the scan job. Can you send the scan job? Step 2 a Make sure that the cables between the printer and the print server are secure. The problem is solved. For more information, see the setup documentation that came with the printer. b Resend the scan job. Can you send the scan job? No Go to step 2. Contact customer support.