Lexmark E250DN User's Guide - Page 85

9 Troubleshooting General problems Problem / Question Solution / Answer What do the blinking lights See Understanding the control panel lights on page8 for information about what each mean? light pattern means. Why am I missing characters when I print on envelopes? If you see voids (missing characters) when printing envelopes, check your printer driver settings to make sure you selected Envelope from the Paper Type menu. If Envelope is already selected, try changing the texture setting to a rougher setting. Sometimes toner does not adhere well to smooth-textured envelopes. From your printer driver, select Custom6-RoughEnv from the Paper Type menu. How do I clear a paper jam? See Clearing jams on page56 for information about clearing paper jams. How do I restore the factory defaults? Sometimes restoring the printer to the original factory default settings solves formatting problems. To reset the factory defaults: 1 Turn off the printer. 2 Open the front door. 3 Press Continue as you turn the printer back on. 4 Keep pressing Continue until the lights cycle, then release the Continue button. 5 Close the front door. 6 Press Cancel. 7 Press Continue until the control panel cycles through all the lights. The Load Paper, Toner Low / Replace PC Kit, Ready and Continue lights appear. 8 Release the Continue button. 9 Turn the printer off and back on. Factory defaults have been reset. The paper is curled once it exits the printer. • Use paper that is sealed in its original packaging. • Turn the paper over. • Rotate the paper 180 degrees. • If you are printing a multiple-page job, try printing it duplex. • When printing on heavy print media, open the rear exit door for a straight-through path. • Try another kind or brand of print media, such as a xerographic paper for laser printers. • If possible try printing in a less humid environment. If the paper still curls, select the Reduce Curl setting from the Configuration menu (See Turning on Reduced Curl mode on page86.). The toner low light sequence is on, but I don't have another cartridge to put in yet. Can I still print with the low cartridge? Yes, you can still print. To extend the life of the toner cartridge somewhat, remove the toner cartridge, firmly shake it from side to side and front to back several times to use the remaining toner, then insert it back into the printer. Repeat this procedure multiple times. If print remains faded, replace the toner cartridge. The printer seems to print This is normal. The printer sometimes prints at a slightly slower speed when feeding print slower when using the media from the manual feeder. manual feeder. Envelopes jam when printing with the rear exit door open. Close the rear exit door. 85