Lexmark W820n User's Guide - Page 63
Solving other option problems
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22 Solving other option problems Use the following table to find solutions to problems with other options. Symptom Cause Solution An option does not operate correctly after it is installed, or it stops working. The option is not installed correctly. The cables connecting the option to the printer are not attached correctly. Remove the option and reinstall it. Check the cable connections. Refer to the Setup Guide for instructions. The printer driver does not recognize that the option is installed. Your printer driver may not automatically recognize that an option is attached to your printer. Open the driver and verify that all the printer configuration settings are correct. You cannot print using the infrared port on the optional Tri-Port Adapter. The infrared port is not configured properly. Make sure neither Infrared Port nor Infrared Buffer is set to Disabled in the Infrared Menu. Also make sure the Window Size and Transmit Delay settings are correct. You cannot print using the infrared port on the optional Tri-Port Adapter (continued). The connection between the two infrared devices cannot be made. Make sure the distance between the two infrared ports is 3 m (10 ft) or less. If necessary, move the ports closer together. Make sure no objects are between the two ports. Make sure the computer is set on a level surface. If necessary, turn off the lights in the room or close window shades or blinds. Bright light, such as direct sunshine or nearby artificial lights, may interfere with communication. You cannot print using the LocalTalk port. The LocalTalk port is not set up correctly. • Make sure neither LocalTalk Port nor LocalTalk Buffer is set to Disabled in the LocalTalk Menu. • For Macintosh users, verify that the printer is set up correctly in the Macintosh Chooser. • If you have two Tri-Port Adapters installed, only one LocalTalk and one infrared port works. The Tri-Port Adapter installed in connector slot 1 is active. 61