Unsupported Protocol Error Code HP Printer
HP printers have reshaped our lives from home and personal, small businesses to large scale businesses and office printing requirements, to the smart world of portable printing options for the innovators who are always on the go!
There are days when your HP printer faces certain external hardware and internal issues that can make your HP printer to stop functioning properly. Since you can’t always run to a technician to sort out the matter, therefore this article is written to empower you with troubleshooting ways for- ‘HP printer error unsupported protocol.’
Causes Unsupported Protocol Error Message HP Printer Machine
Causes:
- When your printer shows this error message, it usually occurs because of using an old version of PCL which conflicts with the smooth running of your printer.
- If you are not using the latest firmware, you may end up with this error.
Troubleshooting Steps HP Printer Error Unsupported Protocol
Let us fix the error- ‘HP Printer Error Message unsupported protocol.’
Solution 1:
Firstly, ensure you are using an up-to-date PostScript driver.
- Printer drivers are easily available online.
- Download the latest version of the printer driver compatible with your printer.
- You can also use the full feature printer driver for Windows version that came with the purchase of your HP printer in the form of a CD. In case it is to old, then downloading the latest one will be recommended.
Now let us see how you can install the printer driver. You can do so either by setting Windows Update to automatically download the driver, or you can install the printer driver with Add a Printer Wizard. Let us have a look at both the ways. Please follow the steps in the order as mentioned below:
- Automatically download the driver with Windows Update:
- Click on ‘Windows.’
- Look for ‘Change Device installation.’
- From the drop down list of results, click on ‘Change Device installation Settings.’
- A window for device installation setting will now appear which will ask if you wish that Windows can download the driver software and realistic icons for your device.
- Please click the recommended step to allow it to automatically do it.
- As the next step please connect your HP printer with the computer with the help of any USB cable or any local network. You can do so in the following ways:
- Switch the PC on and ensure its connectivity to the internet.
- Switch on your printer.
- First connect the USB cable to the printer at the USB port which is at the rear of your printer device. Only after this step, should you connect the USB cable to the PC.
- Your PC should show a new window- ‘Found new Hardware.’ Please follow the prompts of this window and then try to test print to see if the error got resolved.
- Another way of installing the printer driver is through ‘Windows Add a Printer Wizard’:
- You can use Windows Add a Printer Wizard to install an in-built printer driver.
- You can install it over a wireless or wired network connection and USB connection based on the version of the Windows.
Solution 2:
Update the firmware of your printer in the following ways:
- While the printer is still on, open the carriage access door.
- Print carriage will move to the center.
- Gently press the ink cartridge latch.
- By gently pulling out the lower part of the latch, you can remove the cartridges.
- Inspect the cartridges for any damage.
- If you have used new cartridges, make sure they are free of any packing material.
- Reinsert the cartridges back carefully into its original position. Once it is placed well, push it upwards into the carriage.
- Keep holding the hinged flap of the latch as you lower the latch.
- When the latch is fully lowered, release the flap to catch it under the tabs of the cartridge. After this, you can close the carriage door.
The Scope of Services:
- The above steps should help you resolve the ‘HP printer error unsupported protocol’ error, but you may still need some technical assistance.
- To help you in need, our Printer Support team for resolutions is always available.
- You can feel free to connect with our experts at any hour of the day as and when required.
- You can opt to either chat with us live or email us as per your convenience.
- You can also call us on for a customized service on your issues.