If the control panel does not respond to the diagnostic button, try the following:
●
Try printing from a host computer. Does the printer print a test page?
●
Is the printer HP Embedded Web Server (EWS) accessible?
●
Turn the power o.
●
Reseat the cable connections on the bottom of the control-panel assembly and the control-
panel connectors at the formatter.
●
Turn the printer power on, and then check for functionality of the control-panel by tapping
the touchscreen or pressing a button on the LCD control panel.
c. Try upgrading the rmware. If the rmware upgrade fails to resolve the problem, and the printer
still freezes while in Sleep mode, elevate the case after collecting the following info:
●
Try printing to the printer from a host computer. Does the printer print a page?
●
Is the printer HP Embedded Web Server (EWS) accessible?
●
Turn the printer power o, and then on again. Save the printer diagnostic le (see instructions
further down in this section).
●
Try printing to the printer from a host computer. Does the printer print a page?
●
Is the printer HP Embedded Web Server (EWS) accessible?
●
Turn the printer power o, and then on again. Save the printer diagnostic le.
To save diagnostic les from a touchscreen control panel
1. From the Home screen on the printer control panel, swipe (right), and then touch the
Support Tools button.
2. Open the following menus:
●
Troubleshooting
●
Retrieve Diagnostic Data
3. Follow the prompts on the control-panel display to save the data.
NOTE: The exported data might contain personally (customer) identiable
information.
To save diagnostic les from a LCD control panel
1. From the Home screen on the printer control panel, use the down arrow button to
select the Print menu.
2. Use the right arrow button to scroll to and select the Support Tools menu, and then
press the OK button.
3. Use the down arrow button to scroll to and select the Troubleshooting menu, and
then press the OK button.
80 Chapter 2 Solve problems ENWW
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