cannot install ppd on OEL7 for HP M612dn

Good afternoon,

for HP M612dn printer I need version hplip 3.20.5 at least.
I cannot find the right rpm for my linux server, I can only find version 8 or 9 rpm. These rpm are not installable at my server running version7.

- Is there a rpm for version oracle(redhat) linux7.
- or is it possible to install a lower version of the hplip which works with the ppd from a higher version.
- or is there another solution

Regards,

Dik Pater