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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 9-1 Color blocks without defects
Figure 9-2 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 33.
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.
Network and connection issues
●
Fix wireless connection
●
Fix Wi-Fi Direct connection
Fix wireless connection
Choose one of the following troubleshooting options.
● Verify that the printer and the wireless router are turned on and have power, Also, make sure that the
wireless radio in the printer is turned on. The light next to the
Wireless button ( ) should be steady
blue, indicating that the printer is connected. (If the light is blinking, the printer is in setup mode or
attempting to connect).
● Check the Signal Bars icon ( ) on the control panel display. If only one or two bars are showing, the
wireless signal is weak. Verify that the printer is within the range of the wireless network. For most
networks, the printer must be within 30 m (100 ft) of the wireless access point (wireless router).
88 Chapter 9 Solve a problem ENWW
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