Print a supplies status page from an HP LaserJet Pro 400 Color M451dn printer:
- Press the right or left arrow button until Reports is displayed
- Press the OK button
- Press the right or left arrow button until Supplies Status is displayed
- Press the OK button
-From the print out you can then tell which color needs replacing (Black, Cyan, Magenta or Yellow)
-Keep in mind the percentages don't matter as much as any streaking or fading you see on the Supplies Status Report.