Printers [A-D]_file on HP were readded (due to upgrade of Mentor software) in basically the same manner as on linux.
Printing Home: /net/sw/mgc_hpux/printer
Config files: configs/hostname
Fis files: fis/hostname
Model files: model/hostname
lpshut lpadmin -pA_file -i/net/sw/mgc_hpux/printer/model/amp/A_file -v/dev/null lpsched enable A_file accept A_file