Problem with HP Laserjet CP1025 in Mint 20.1 (Ulyssa)

[SergioBaumel]

I just upgraded from Mint 20 to 20.1, and my Laserjet CP1025 color printer is not working again.
I had a big trouble making it work on Mint 20, but finally got it right, after changing the incorrect name of the printer on /usr/share/hplip/data/models/ (changing from [hp_laserjet_cp1025] to [hp_laserjet_cp_1025]). But that wasn't enough when I upgraded to 20.1.
Funny fact, my other HP printer (Laserjet 1020) does fine with Ulyssa, even though 'hp-check' shows lots of errors, as can be seen in the summary below:

----------
| SUMMARY |
-----------

Missing Required Dependencies
-----------------------------
error: 'libcups2' package is missing/incompatible
error: 'libdbus-1-dev' package is missing/incompatible
error: 'libjpeg8-dev' package is missing/incompatible
error: 'libcups2-dev' package is missing/incompatible
error: 'cups-bsd' package is missing/incompatible
error: 'cups-client' package is missing/incompatible
error: 'libcupsimage2-dev' package is missing/incompatible
error: 'build-essential' package is missing/incompatible
error: 'libusb-1.0.0-dev' package is missing/incompatible
error: 'libsane-dev' package is missing/incompatible
error: 'libavahi-client-dev' package is missing/incompatible
error: 'libavahi-core-dev' package is missing/incompatible
error: 'libavahi-common-dev' package is missing/incompatible
error: 'python3-dev' package is missing/incompatible
error: 'libtool' package is missing/incompatible
error: 'libtool-bin' package is missing/incompatible
error: 'build-essential' package is missing/incompatible

Missing Optional Dependencies
-----------------------------
error: 'xsane' package is missing/incompatible

Plug-in Status
--------------
error: Plug-ins need to be installed

Total Errors: 17
Total Warnings: 1


Done.

I still have not found any answer to this, so any help will be most wellcome!