Lexmark X342N Service Manual - Page 48
Modem service check, Network card service check, Action, PRINTER MODEL - find ip address
UPC - 734646256292
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7003-XXX Modem service check FRU Modem Controller card Network card service check FRU Network daughtercard Controller card Firmware Action Ensure the phone line is properly connected to the top RJ-11 jack of the modem and phone jack on the wall. Ensure the modem cable is properly connected to the J69 on the modem card and J69 on the controller card. Check the connectors on both cards for damage. Check pin 1 on J69 for +5V. Check pins 3 and 4 for +3.3V. Pins 2, 9, 14, 18, 22, and 27 should be ground. If voltages are present, replace the modem card. If the voltages are not present, replace the controller card. Action In the MFP Administration menu, ensure DHCP is activated if the network uses DHCP. In diagnostics, ensure the PRINTER MODEL is set to the correct printer model. If the USB jack is connected to a device, disconnect it. The USB and network jacks cannot operate simultaneously. Ensure the network cable is properly connected to the RJ-45 jack of the network card. Are the LEDs on the jack illuminated? Ensure that the network daughtercard is securely fastened to J44 on the controller card. Check the connectors on the network daughtercard and controller card for damage. Check pin 1 on the network daughtercard for 5V. Pin 4 is ground. If voltages are present, replace the network daughtercard. If the voltages are not present, replace the controller card. Device does not receive an IP address when DHCP is used. Update with EC1 network card firmware. 2-26 Service Manual manuals4you.com