Lexmark MS812 User's Guide - Page 303
Step 4, Troubleshooting
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Troubleshooting 303 Action Yes Step 4 Check other electrical equipment plugged into the electrical outlet. Does other electrical equipment work? Unplug the other electrical equipment, and then turn on the printer. If the printer does not work, then reconnect the other electrical equipment. Step 5 Go to step 6. Check if the cables connecting the printer and the computer are inserted in the correct ports. Are the cables inserted in the correct ports? Step 6 Turn on the switch or Make sure the electrical outlet is not turned off by a switch or breaker. reset the breaker. No Go to step 5. Make sure to match the following: • The USB symbol on the cable with the USB symbol on the printer • The appropriate Ethernet cable with the Ethernet port Go to step 7. Is the electrical outlet turned off by a switch or breaker? Step 7 Connect the printer Check if the printer is plugged into any surge protectors, uninterruptible power cord directly to power supplies, or extension cords. a properly grounded electrical outlet. Go to step 8. Is the printer plugged into any surge protectors, uninterruptible power supplies, or extension cords? Step 8 Go to step 9. Check if one end of the printer cable is plugged into a port on the printer and the other to the computer, print server, option, or other network device. Is the printer cable securely attached to the printer and the computer, print server, option, or other network device? Connect the printer cable securely to the printer and the computer, print server, option, or other network device. Step 9 Go to step 10. Make sure to install all hardware options properly and remove any packing material. Are all hardware options properly installed and all packing material removed? Turn off the printer, remove all packing materials, then reinstall the hardware options, and then turn on the printer. Step 10 Go to step 11. Check if you have selected the correct port settings in the printer driver. Use correct printer driver settings. Are the port settings correct?