HP LaserJet Pro M521 Multifunction Printer series - Manual (Page 109)

Adjust the lightness or darkness for copies
1. Load the document onto the scanner glass or
into the document feeder.
2. From the Home screen, touch the Copy button.
3. Touch the Settings button.
4. Touch the Lighter/Darker button.
5. Touch the “+” or “-” button to adjust the
setting, and then touch the OK button.
6. Touch the Start Copy button to start copying.
ENWW Adjust the lightness or darkness for copies 95