Lexmark Prospect Pro205 User's Guide - Page 139

Error Message: 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. Digital line detected Failed to Connect Phone Line Error Phone Line Not Connected What it indicates: Possible solutions: 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. The printer is connected to a digital line. The printer is an analog device and must be connected to an analog line. To connect the printer to a digital line, you must use a digital line converter or a filter. For more information, see the "Setting up the printer to fax" section. The printer cannot detect a dial tone. See the "Fax troubleshooting checklist." Troubleshooting 139