Skip to Content Information Center
Lexmark MX622

Lexmark MS/Xx2x, B2xxx, Mx2xx, MB2xxx, and XMxxxx: Grainy and Light Prints on the Document

Affected Products:

Single-function: MS622, MS621, MS521, MS421, MS321,

B2338, B2442, B2546, B2650, M1242, M1246, M3250

Multifunction: MX321, MX421, MX521, MX622, MB2338, MB2442, MB2546, MB2650, XM5270, XM5263, XM1242, XM1246, XM3250

Issue Description:

When printing a black-and-white or monochrome document, the image somehow appears grainy and a bit light. It is also observed that the printed images have small white dots or voids.

Print Defect Sample


  1. Reset the printer's toner cartridge and Imaging unit.

  2. Perform a Power-on-reset (POR).

  3. Print a test page and check if the print quality defect still appears.

  4. Should the issue persist, adjust the tonerdarkness by increasing its value to 10 before printing document. To change the toner darkness, Navigate to: Settings > Print > Quality > Toner Darkness

Still Need Help?

Have the following available when calling Lexmark Technical Support;

  • Printer model(s)

  • Printer serial number

  • Toner cartridge/imaging unit part number and serial number


Cet article vous a-t-il été utile ?