How to fix printer error: Unsupported Protocol

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Updated onOctober 4, 2023

updated onOctober 4, 2023

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Despite your best efforts of using safe printing practices, you may find yourself facing the following <span id=“urn:enhancement-a89224fe” class=”textannotation disambiguated wl-thing” itemid=”/entity/printer”>printer error:Unsupported Protocol.

When dealing with this issue you can try out one of the following troubleshooting tips to get rid of it as soon as possible.

How can I fix printer error: Unsupported Protocol?

1. Set Send True Type as Bitmap as Enabled

2. Change the Print Optimizations value

If the first procedure didn’t work, it’s a good idea to change the Print Optimizations value. Follow the above steps to do so.

3. Update your printer’s USB drivers

Let’s continue with the basics. Follow the above procedure to update your printer’s USB drivers or find them online.

4. Remove your printer and add it again

If these steps didn’t help, you could also try to remove theprinterfrom the system where it has been installed. Then, add it again and check if the issue persists.

Other users also try to directly plug in theprinterwith aUSB, then right-click its icon and selectPrinter Properties. Open thePorts taband select the USB port before trying to print again.

Don’t hesitate to try any one of these tips and comment below the one that worked for you. You could also check yourprinter’s manual for more information on its diagnostic features.

In case of having other questions, let us know in the comments below.

How to fix printer error: Unsupported Protocol#

How can I fix printer error: Unsupported Protocol?#

1. Set Send True Type as Bitmap as Enabled#

2. Change the Print Optimizations value#

3. Update your printer’s USB drivers#

4. Remove your printer and add it again#