Compatible with the following printer models:
- HP LaserJet 4200
- HP LaserJet 4200N
- HP LaserJet 4200TN
- HP LaserJet 4200DTN
- HP LaserJet 4300
- HP LaserJet 4300n
- HP LaserJet 4300dtn
- HP LaserJet 4300dtns
- HP LaserJet 4200DTNS
- HP LaserJet 4200dtnsl
- HP LaserJet 4345
- HP LaserJet 4345x
This envelope feeder allows you to expand the features of your HP 4200/4300 & 4250/4350 series printers to allow envelopes and other thick media types that otherwise would not work with these series of printers.