Lexmark CX730 Users Guide - Page 265
Dark print, Settings, Troubleshooting, Print Quality Test s
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Troubleshoot a problem 265 Note: Before solving the problem, print the Print Quality Test Pages. From the home screen, touch Settings > Troubleshooting > Print Quality Test Pages. Action Yes Step 1 Go to step 2. a Check if the printer is using a genuine and supported Lexmark toner cartridge. Note: If the cartridge is not supported, then install a supported one. b Print the document. No The problem is solved. Is the printer printing blank or white pages? Step 2 a Remove the color imaging kit, and then remove the black imaging unit. Contact customer support. Warning-Potential Damage: Do not expose the color imaging kit and black imaging unit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems. Warning-Potential Damage: Do not touch the photoconductor drum under the color imaging kit and black imaging unit. Doing so may affect the quality of future print jobs. b Insert the black imaging unit, and then insert the color imaging kit. c Print the document. The problem is solved. Is the printer printing blank or white pages? Dark print Note: Before solving the problem, print the quality sample pages to determine the missing color. From the home screen, touch Settings > Troubleshooting > Print Quality Test Pages.