Lexmark S415 User's Guide - Page 149
Make sure the printer is connected to a telephone line
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Troubleshooting 149 MAKE SURE THE PRINTER IS CONNECTED TO A TELEPHONE LINE You need to connect the printer to your telephone line (through a standard wall jack, a DSL filter, a VoIP adapter, or a cable modem) before you can open the fax software and configure the fax settings. Fax error messages on the printer control panel Error Message: Remote Fax Error Fax Mode Unsupported Unsupported Compression Unsupported Resolution Unrecoverable Fax Error Fax Modem Error Phone Line is connected to the incorrect jack on the back of the machine. What it indicates: Possible solutions: The receiving fax machine cannot receive the fax. The error on the receiving end could be due to several factors. • Resend the fax. There may have been a problem with the quality of the connection. • Decrease the transmission speed of your fax modem. • Register your user information. In some countries, you cannot send a fax without registering your fax name and fax number. Some fax machines also block faxes without sender information. The receiving fax machine does not support color fax or the scan resolution of the document that you are sending. • Enable Auto Fax Conversion. The printer automatically converts color faxes to black and lowers the scan resolution of the document. • Lower the fax quality. • Reformat the document on Letter‑size paper. The fax modem of the receiving fax machine does not support data compression. Fax modems compress data to speed up transmission, but the receiving fax modem needs to have the same compression code. • Lower the transmission speed of the fax modem, and then resend the fax. • Enable Auto Fax Conversion. The receiving fax machine does not support the scan resolution of the document that you are sending. • Lower the fax quality. • Enable Auto Fax Conversion. The fax modem encountered critical Turn off the printer, turn it back on, and errors. then resend the fax. The fax modem of the printer may be busy, or the fax modem may have encountered problems during transmission. Turn off the printer, turn it back on, and then resend the fax. The telephone cable is connected to the wrong port on the back of the printer. Connect the phone cable to the port on the back of the printer.