Lexmark 20K1100 User's Reference - Page 86

Troubleshooting Symptom Print irregularities ABCDE ABCDE ABCDE Cause Solution Paper has absorbed moisture due to high humidity. You are using paper that does not meet the printer specifications. The fuser is worn or defective. The toner cartridges may be empty. Load paper from a fresh package in the tray. Avoid textured paper with rough finishes. Make sure the printer paper type setting matches the type of paper you are using. Replace the fuser. Replace the needed toner cartridge. Print too light The Toner Darkness setting is too light. You are using paper that does not meet the printer specifications. The toner cartridges are low on toner. The toner cartridges are defective or have been installed in more than one printer. Select a different Toner Darkness setting from the printer driver before sending the job to print. Load paper from a new package. Avoid textured paper with rough finishes. Make sure the paper you load in the trays is not damp. Replace the toner cartridges. Print too dark The Toner Darkness setting in the Color Menu is too dark. The toner cartridges are defective. Select a different Toner Darkness setting from the printer driver before sending the job to print. Replace the toner cartridges. Transparency print quality is poor (Print has inappropriate light or dark spots, toner is smeared, horizontal or vertical light bands appear, or color does not project.) You are using transparencies that do not meet the printer specifications. The Paper Type setting for the tray you are using is set to something other than Transparency. Use only transparencies recommended by the printer manufacturer. Make sure the Paper Type setting in the Paper Menu is set to Transparency. Toner specks The toner cartridges are defective. The fuser is worn or defective. Toner is in the paper path. Replace the toner cartridges. Replace the fuser. Call for service. Solving print quality problems 86