Affected Products:
Single-Function: B2650, B3340, B3442, M3250, MS331, MS431, MS439, MS621, MS622
Multifunction: MB2650, MB3442, MX331, MX431, MX622, XM3250

Overview:
This document includes instructions on adjusting print resolution to reduce graininess/coarseness.

Solutions:

Check if the printer is using a genuine and supported toner cartridge and print the document.
Note: If the cartridge is not supported, then install a supported one.

Depending on your operating system, specify the print resolution from the Printing Preferences or Print dialog.

Set the resolution to 600 dpi.

Print the document.

Still Need Help?
Have the following available when calling Lexmark Technical Support;
Printer model(s)
Printer serial number
If you need help locating your printer model and serial number,
xref_HO3428_xref.
LEGACY ID: HO4151