These printers use the Q5945A cartridge:

HP LaserJet 4345 MFP

HP LaserJet 4345 X MFP

HP LaserJet 4345 XM MFP

HP LaserJet 4345 XS MFP

HP LaserJet M-4345 MFP

HP LaserJet M-4345 X

HP LaserJet M-4345 XM

HP LaserJet M-4345 XS

Kodak DIGITAL SCIENCE 1000 PS