till@till:~$ lpinfo -m | grep -i 'laserjet 500\b'
postscript-hp:0/ppd/hplip/HP/hp-laserjet_500_color_m551-ps.ppd HP LaserJet 500 color M551 Postscript (recommended)
till@till:~$
This matches the model name in your attached files. So at least on Precise this printer should get identified. system-config-printer also lists this model for me on Precise.
On Precise I get
till@till:~$ lpinfo -m | grep -i 'laserjet 500\b' hp:0/ppd/ hplip/HP/ hp-laserjet_ 500_color_ m551-ps. ppd HP LaserJet 500 color M551 Postscript (recommended)
postscript-
till@till:~$
This matches the model name in your attached files. So at least on Precise this printer should get identified. system- config- printer also lists this model for me on Precise.