Lexmark MX722 Users Guide PDF - Page 220
Horizontal light bands, Vertical light bands
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Troubleshooting 220 Horizontal light bands Note: Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages. For non‑touch‑screen printer models, press to navigate through the settings. 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. Do horizontal light bands appear on prints? Step 2 Contact customer a Turn off the printer, wait for about 10 seconds, and then turn on support. the printer. b Print the document. The problem is solved. Do horizontal light bands appear on prints? Vertical light bands Note: Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages. For non‑touch‑screen printer models, press to navigate through the settings.