Fix Error 49 When Updating Firmware On HP Laserjet Printer Models
Fix Firmware update (error 49) On HP Laserjet Models, Fix Error updating Firmware on HP Laserjet models (Error 49)
Turn off the printer.
Wait 10 seconds before turning it back on.
Once the printer starts to power up, press the Back button (arrow icon) on the printer's front panel "four times".
Once done correctly, the support menu should appear.
Go to the HP website on your Windows computer
https://support.hp.com/us-en/drivers
Make sure the printer is turned on and connected to your computer.
Go to Download HP Software and Drivers and enter your printer model.
Select Firmware from the list of drivers, click Download next to the update and follow the instructions.
NOTE: If you do not have a Firmware option, Firmware updates are not available for your printer.
On the HP Printer Update screen, check the status of the printer.
If your network printer is not displayed, use a USB cable to temporarily connect your printer to your computer. Wait 20 seconds and click Update.
If the status is Ready, select the checkbox next to the serial number and click Update.
Do not turn off the printer during a Firmware Update. This can permanently damage your printer.
If the status is Updated, the printer's Firmware is up to date.
If the printer still shows Error 49, turn it off and unplug the power cord. Wait for 1 hour. Reconnect the power cord and turn on the printer.
If the error persists, connect a network cable to the printer and, if possible, leave it connected for at least 1 hour.