HP
G6H51-67052
is compatible in the following HP Models:
HP DesignJet SD Pro MFP
HP DESIGNJET SD PRO MFP - L3S81A
HP DesignJet HD Pro MFP
HP DESIGNJET HD PRO MFP - L3S82A
HP DESIGNJET HD PRO MFP WITH ENCRYPTED HARD DISK - L3S82B