Lexmark MS825
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.
Step 1
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.
Print the document.
Do vertical white lines appear on prints?
Go to step 2.
The problem is solved.
Step 2
Fix slow printing problems. For more information, see Slow printing.
Go to step 3.
Step 3
Replace the imaging unit.
Contact customer support.
Clear vertical dark lines when you make a copy, send a fax, or scan an image. Here are the recommended fixes.
Vertical Lines Appearing on the Page