On the first page, verify that all four print cartridge colors appear on the page. Also, verify that the 90-
degree angles in the corners are single toner colors and that the color plane registration is correct.
Figure 7-11 Diagnostic page 1
HP Color LaserJet CM1321nfi MFP
Diagnostics Page
Calibration Information
Color Density
Power-On Calibration : 15 Minutes
Calibration Timing: 48 Hours
C M Y K
Contrast 0 0 0 0
Highlights 0 0 0 0
Midtones 0 0 0 0
Shadows 0 0 0 0
Parameters
On the second page, verify that there are four print-cartridge color sweep bars near the top of the page.
From right to left, there should be even steps of toner gradation from light to 100%. The other squares
on the page are for use only during manufacturing.
ENWW Troubleshooting tools 207