Please forget about printer-driver-postscript-hp; I got confused. Instead, in models.dat put this:
[hp_colorlaserjet_mfp_m278-m281] scan-src=3 scan-type=5
-- Brian.
Please forget about printer- driver- postscript- hp; I got confused. Instead, in models.dat put this:
[hp_colorlaserj et_mfp_ m278-m281]
scan-src=3
scan-type=5
--
Brian.