Follow the steps given below to fix your HP LaserJet Printer Error Code B0605.
Don’t follow the below procedure if you are not handy with your computer. In that case, you can take the help of our HP Support printer experts and let them fix your problem instead.
1. First of all, you need to bring your HP printer in the boot code mode.
2. Press and hold the Cancel button and then press OK.
3. Now switch on your printer once again and keep on holding the power button until the control panel shows up. You will see Hewlett-Packard written in the first line, followed by Boot code in the second line.
4. Your printer is not in boot code mode 2. Make sure your HP printer is connected to your computer using the USB cable.
5. The next step is to run the HP LJ P2055 firmware update utility which you can download from the HP website.
6. Once the utility is launched, select your HP LaserJet P2050 printer from the dropdown list and then select Send Firmware.
7. You will now see a message that says Downloading Update Data on your printer screen. The message will be followed by programming App Flash. You need to wait until the upgrade is finished.
8. At last, your HP Printer will restart automatically and you will see Ready status on your printer screen once it is started.
The HP Printer error B0605 usually occurs due to incapable of booting process into the ready state by giving an error message displayed on the printer's control panel. Further, it is known that this error is a cause of the printer's firmware has crashed which is responsible for controlling the printer device.
Step 1: Upgrade the Firewall to the printer
Users are first advised to download the firmware from the HP official site.
Now, carefully reload the basic or the updated firmware.
The next step is to switch off the printer by pulling the power cord and allowing it to sit for at least a few seconds.
Next, you need to plug everything back in and start your HP printer device again.
Now check for the error whether it still persists or not.
Step 2: Removal of the Toner & Reinstall
Turn off and then, disconnect the power source from the HP printer first.
Next, you need to remove the paper tray carefully and the toner device
Now power on the unit carefully and then, wait for 5-60 seconds.
Next, simply power off the unit.
Reinstall the toner device as well as the paper tray.
Power on the unit to allow the unit to fully power up before printing a test page.
Step 3:Re-flash your Firmware
Users here need to try to re-flash the firmware in the Boot Mode and then booting the printer again
Make sure that re-flashing of the firmware doesn’t always assist, but it’s a good first step.
Regards, Caleb