I get just a few good quality pages with a new, genuine HP cartridge (a # 62) and if the printer sits for a few days unused, the printing quality diminishes to faint, unreadable copy.
This has continually happened since the printer was new.
I go through 3 cycles of cartridge cleaning, to no avail.
I have seen similar complaints elsewhere online for the same printer.
I am ready to toss the printer and start over with another manufacturer.