Lexmark C920n User Manual
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Solving option problems 141 Troubleshooting Solving option problems If an option does not operate correctly after it is installed or if it quits working: Turn the printer off, wait for about 10 seconds, and turn the printer on. If this does not fix the problem, unplug the printer, and check the connection between the option and printer. Print the menu settings page and check to see if the option is listed in the Installed Options list. If the option is not listed, reinstall it. See Printing the menu...
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Solving option problems 142 Troubleshooting Solving high capacity feeder problems ProblemSolution The paper tray does not raise when the loading door is closed, or the paper tray does not lower when the door is opened and the paper tray button is pushed.Check the following: The printer is properly attached to the high capacity feeder. The printer is powered on. The power cord is plugged firmly into the back of the high capacity feeder. The power cord is plugged into an outlet. The outlet...
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Solving paper feed problems 143 Troubleshooting Solving paper feed problems SymptomCauseSolution Paper frequently jams. You are using paper that does not meet the printer specifications.Use recommended paper and other specialty media. See the Card Stock & Label Guide available on our Lexmark Web site at www.lexmark.com for detailed specifications. See Avoiding jams for information that can help prevent jams from occurring. You have loaded too much paper or too many envelopes.Make sure the stack of...
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Solving print quality problems 144 Troubleshooting Solving print quality problems To help isolate print quality problems, print the Print Quality Test Pages. 1Turn the printer off. 2Press and . Hold them while you turn the printer on, and until the Performing Self Test message appears. Config Menu.appears. 3Press until Prt Quality Pgs appears, and then press . The pages are formatted. The Printing Quality Test Pages message appears, then the pages print. The message remains on the operator panel...
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Solving print quality problems 145 Troubleshooting Dark Lines A toner cartridge, a photodeveloper, or the transfer belt is defective.If the problem is on the front (print side) of the page: 1Replace the color cartridge causing the line. 2If you still have the problem, replace the photodeveloper (black alone or all other colors at once). If the problem is on the back of the page, replace the transfer belt. Light colored line, white line, or wrong colored lineThe LEDs are dirty. See Cleaning the...
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Solving print quality problems 146 Troubleshooting Print too light The Toner Darkness setting is too light, RGB Brightness is too bright, or RGB Contrast is too high. You are using paper that does not meet the printer specifications. Color Saver is On. Toner is low. A toner cartridge is defective or has been installed in more than one printer. Select a different Toner Darkness setting, RGB Brightness setting, or RGB Contrast setting from the printer driver before sending the job to...
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Solving print quality problems 147 Troubleshooting Uneven print density A toner cartridge is defective. A photodeveloper is worn or defective. The transfer belt is worn or defective. Replace the toner cartridge. Replace the photodeveloper (black alone or all other colors at once). Replace the transfer belt. Characters have jagged or uneven edges A downloaded font is not supported.If you are using downloaded fonts, verify the fonts are supported by the printer, the host computer, and the...
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Color quality information 148 Troubleshooting Color quality information This section helps you understand how operations available on the printer can be used to adjust and customize color output. Quality Menu Selections available in the Quality Menu provide the user with multiple options that can adjust color characteristics of the printer. Values marked by an asterisk (*) are the factory default settings. Values selected in the printer PostScript or PCL emulation drivers for Windows will override...
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Quality Menu 149 Troubleshooting Color SaverTo conserve toner in graphics and images yet maintain high quality text. The amount of toner used to print graphics and images is reduced; however, text is printed with default toner usage. If selected, this setting overrides Toner Darkness settings. Color Saver is not supported in PPDS, and partially supported by the PCL emulation driver.On* Off RGB BrightnessTo assist in making brightness, contrast, and saturation adjustments to color output....
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Quality Menu 150 Troubleshooting Manual ColorTo let users customize the RGB or CMYK color conversions applied to each object on the printed page. Color conversion of the data specified using RGB combinations can be customized based on object type (text, graphics, or image) through the printer operator panel.RGB ImagesRGB Display*: Applies a color conversion table to produce output that approximates the colors displayed on a computer monitor. sRGB Vivid: Increases color saturation for the sRGB...