Follow the instructions in this article to fix the HP printer error B0605.
To solve this error, you will need to download the Firmware Update Utility from hp.com.
When this error occurs, the use cases are of two types:
i. The driver has been installed on the computer.
ii. The driver hasn’t been installed on the computer.
A Driver has Been Installed on the Computer – Case 1
Follow the instructions below to resolve the error:
Step 1: Place your HP printer in bootcode mode.
i. Press down the “OK” and “Cancel” buttons on your HP printer.
ii. Turn on your printer.
iii. Continue pressing down both buttons until “Hewlett-Packard” is displayed on the control panel’s first line while the second line displays “Bootcode”.
Step 2: Confirm that your computer has been connected to your HP printer via a USB cable.
Step 3: After confirming this, run the Firmware Update Utility you downloaded earlier.
Step 4: Select your printer from the dropdown menu.
Step 5: Click on “Send Firmware”.
Watch the control panel of your printer and ensure that it displays “Downloading Update Data”. After that, “Programming App Flash” should be displayed next. Wait for the utility to complete the upgrade. Once the upgrade is complete, your HP printer will then restart automatically. Once it is fully on, “Ready” will be displayed on the control panel. This signifies that your printer’s firmware has been recovered successfully.
In this article: HP Printer Errors and Solution [Detailed] we provide solutions to a lot of HP printer errors.
Driver Hasn’t Been Installed on the Computer – Case 2 – HP Printer Error B0605
Follow the instructions below to resolve the error:
Step 1: Install the printer driver for your device.
i. Insert your HP printer’s installation CD into your computer.
ii. On your Windows computer, click “Start”, “Settings”, then “Printers and Faxes”.
iii. Click on “Add a printer”. This will launch the “Add Printer Wizard”. Then click “Next”.
iv. Check the option box next to “Local printer attached to this computer”.
v. Uncheck the option box next to “Automatically detect and install my Plug and Play printer”. Then click “Next”.
vi. From the “Use the following port” drop-down menu, choose “FILE: (Print to File)”. After that, click “Next”.
vii. Click on “Have Disk”.
viii. Go to your computer’s CD drive where you inserted the installation CD and click on “OK”.
ix. Highlight your printer driver as seen in the installation CD, then click “Next”.
x. State the name of the printer, and then click “Next”.
xi. When prompted to print a test page, select “NO”.
xii. Click on “Finish” to begin the driver installation.
xiii. Confirm that your HP printer is listed.
Step 2: Place your HP printer in bootcode mode.
i. Press down the “OK” and “Cancel” buttons on your HP printer.
ii. Turn on your printer.
iii. Continue pressing down both buttons until “Hewlett-Packard” is displayed on the control panel’s first line while the second line displays “Bootcode”.
Step 3: In the window for “Printer and Faxes”, right-click on your printer’s PCL6 icon; after that click on “Properties”.
Step 4: Click on the tab labeled “Ports” and examine and take note of the listed USB ports if they are more than one.
Step 5: Click on the “Properties” window.
Step 6: Connect the USB cable plugged into your computer to your HP printer.
Step 7: The action above will pop up the “Found New Hardware Wizard”. Also, the USB enumeration will commence.
Step 8: Open the “Printer properties”, and then click on the tab labeled “Ports”.
Step 9: In the tab labeled “Ports”, select the right port for your HP printer that is itemized, and then click on “OK”.
Step 10: In the “Found New Hardware Wizard” window click “Cancel”.
Step 11: Run the Firmware Update Utility you downloaded earlier.
Step 12: From the dropdown menu, choose your HP printer and click on “Send Firmware”.
Watch the control panel of your printer and ensure that it displays “Downloading Update Data”. After that, “Programming App Flash” should be displayed next. Wait for the utility to complete the upgrade. Once the upgrade is complete, your HP printer will then restart automatically. Once it is fully on, “Ready” will be displayed on the control panel. This signifies that your printer’s firmware has been recovered successfully.
Step 13: Close the window for “Found the New Hardware Wizard”.
Step 14: Delete all occurrences of your devices in the list of Printers and Faxes. Then run the regular installation CD to install the driver.
