HP Door
C7791-60139
is compatible in the following HP Models:
HP DesignJet 120 Printer series
HP DESIGNJET 120 PRINTER - C7791A
HP DESIGNJET 120 REMARKETED PRINTER - C7791AR
HP DESIGNJET 120NR PRINTER - C7791B
HP DESIGNJET 120NR REMARKETED PRINTER - C7791BR