Operation Manual
To print a diagnostics page
a. Load letter or A4 unused plain white paper into the input tray.
b. Open the printer software. For more information, see Open the HP printer software (Windows)
on page 20.
c. In the printer software, click Print & Scan and then click Maintain Your Printer to access the
printer toolbox.
d. Click Print Diagnostic Information on the Device Reports tab to print a diagnostics page.
e. Examine the color blocks on the diagnostics page.
If any of the color blocks show white lines, are faded, or are missing completely, continue to the
next step.
Figure 8-1 Color blocks without defects
Figure 8-2 Example of color blocks with defects
7. Clean the cartridges.
To clean the cartridges
a. Load letter or A4 unused plain white paper into the input tray.
b. Open the printer software. For more information, see Open the HP printer software (Windows)
on page 20.
c. In the printer software, click Print & Scan and then click Maintain Your Printer to access the
printer toolbox.
d. Click Clean Cartridges on the Device Services tab. Follow the onscreen instructions.
88 Chapter 8 Solve a problem ENWW