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Lexmark CS820
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Fax issues
Fax error codes and recommendations
Unable to receive fax
How to Turn On the 'Enable Fax Scans' and 'Driver to Fax' Settings on Laser MFPs
How to Enable PABX for Sending Faxes in a Private Automated Branch Exchange with Lexmark MFPs
How to Set a "Dial Prefix" on a Laser MFP
How to Adjust Fax Redial Values and Fax Redial Frequency
Poor fax quality and poor fax performance issues
General Fax Setup Troubleshooting for Most Lexmark MFPs (2011)
Unable to 'Send' a fax
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