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greenturtle
Level 15
‎05-24-2024 05:42 AM
Views : 1,217
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Issue:

Error code ‘ER 79’ shown on control panel display, printer can not do print/copy, shown as offline from computer/mobile device.

Solution:

Use the following steps to resolve the issue

  • The issue will not happen if printer is connected to network with ethernet.
  • If printer is connected with wireless, please follow below steps:

Steps for wireless connected printer

  1. Turn off the printer, remove the toner cartridge from the printer, and then wait for 30 seconds.
  2. Turn on the printer. After ER07 is shown on control panel, insert the toner cartridge.
  3. The printer should go back to the Ready mode.
  4. Press the Information (i) button to print the Printer Information Report. The report contains the printer IP address and printer PIN.
  5. Open a web browser from computer/mobile device in same network, enter the printer IP address to access the EWS page.
  6. Click System, and enter ‘admin’ as printer user name, printer PIN as password when pop window showing up.
greenturtle_1-1716966935258.png

 

 

greenturtle_2-1716966935260.png

 

  1. Go to Administration, click ‘Check Now’ button in printer update section to check for new FW update. Update the printer if new FW update is available
greenturtle_3-1716966935264.png

 

  1. Close the EWS page. The printer should recover now.
  2. If not able to update FW with EWS method, go to support.hp.com (link) to download the FW update Utility and update printer to the latest FW version.

Here's some Helpful videos:

Resolve Er 79 issue
https://www.youtube.com/watch?v=dZLXyoL4fjo
Firmware Update

https://www.youtube.com/watch?v=j-t37ZDxeBQ

 
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