GNU/Linux MX Printer HP DeskJet 3750/3760 Setup – Step-by-step Guide
The linked Tutorial shows you Step-by-Step How to Install HP DeskJet 3750/3760 in MX GNU/Linux Desktop.
And the HP DeskJet 3750/3760 Driver MX Linux Installation it’s quick and easy because it only involves running a few Basic Shell Commands.
Especially relevant: the HP Printer/Scanner Driver should be already Installed on System, but to get the Latest Supported Features & Devices you need to Upgrade it!
Again, in case of any Issue with your Device you may try the Legacy Alternative: HP Printer HPIJS Driver.
Most noteworthy: after the Driver Installation Installation to achieve the Setup follow the included instructions to Add Printer!
Finally, this guide includes detailed instructions on Getting Started with HP Scannig on MX.

GNU/Linux MX HP DeskJet 3750/3760 Printer Installation Guide