My HP Color Laserjet Pro MFP M176N printer is showing some trouble shoot symbol on the display

[SARAVANAN30]

My HP Color Laserjet Pro MFP M176N printer is showing some trouble shoot symbol on the display. it is like a triangle symbol which is blinking in yellow color. i could take printouts and scan the documents though. but i could not use copier option. display is completely blank (white background alone is visible in display) No buttons are working. My product is out of warranty now hence can anyone help me sorting this issue if it is minor issue.... 

[TEJ1602]

@SARAVANAN30, Welcome to HP Support Community!

Reset the printer-

1. Turn the printer on, if it is not already on.
2. Wait until the printer is idle and silent before you continue.
3. With the printer turned on, disconnect the power cord from the rear of the printer.
4. Unplug the power cord from the wall outlet.
5. Wait at least 60 seconds.
6. Plug the power cord back into the wall outlet.
7. Reconnect the power cord to the rear of the printer.
8. Turn on the printer, if it does not automatically turn on.
9. Wait until the printer is idle and silent before you proceed

Update the printer firmware

Download available firmware updates from the HP website

With the printer on and connected to the computer, go to HP Customer Support - Software and Driver Downloads, and then identify your printer. Look for and install any available firmware updates.

For more information, go to Updating or Upgrading Printer Firmware.

Hope this helps! Keep me posted. 

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