HP Pro 400 M401N is one of the famous printers of HP brand. This HP printer has a Sleep function that is fixed to a 15 minute delay by default. This feature cannot be disabled. However, the delay can be resolved to 1 hour.  Sometimes HP Pro 400 M401N printer disappears from Devices and Printers due to its sleep functionality. Perform these helpful steps carefully and try to execute it in the same manner. However, if you think that you cannot perform the steps accordingly, then to know the exact way you can take help from HP Support. It is the best medium for your remedy.

HP Pro 400 M401N Printer Disappears from Devices

Remedy when HP Pro 400 M401N printer disappears from Devices and Printers 

To change the extent of time before the sleep function starts, go through the following steps:

  • If the printer under goes Sleep mode, so to wake up the printer press the OK button.
  • If the Printer has a touch screen, in that case, dab the Home button.
  • Use the right and left arrow buttons to choose System Setup on the LCD screen and then hit OK.
  • If the Printer has a touch screen, in that case, hit the Settings button Image and then dab on System Setup.
  • Use the arrows to choose Energy Settings and hit on OK.
  • Select the arrows to choose Sleep/Auto Off After: and then press OK.
  • Use the arrows to fix the Sleep Delay/Auto Off After to 1 hour and then click on OK.
  • You can fix this to 5 minutes, 15 minutes, 30 minutes, or 1 hour.
  • If the screen does not return back to the main screen, dab the Back arrow until you revert back to the main screen.

You may also need to disable the Auto Power Down functionality of the printer at the same time. To do this, execute the following steps:

  1. Use the right and left arrow buttons to choose System Setup on the LCD screen and click on OK.
  2. With the help of arrows, choose Energy Settings and then press OK.
  3. Use the arrows to go for Shut down after and click on OK.
  4. Use the arrows to choose Never and hit on OK.
  5. If the screen does not return back to the main screen, hit the Back arrow until you revert back to the main screen.

Further Solution to fix HP Pro 400 M401N printer disappears from Devices and Printers

When you perform the above steps and still your issue persists. You may call on HP Customer Support to get instant help. Dial the number and get in touch with the technicians. These are experienced and knowledgeable engineers always ready to serve you with their full effort. You can call them anytime to get the best remedy for your problem.

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