HP LaserJet 4 Plus Laser Cartridges
There are 4 cartridges available for your HP LaserJet 4 Plus.
Genuine HP LaserJet 4 Plus Cartridges
There are 2 genuine HP cartridges available your printer. These are manufactured by HP and were designed specifically to achieve top-quality results when used in the LaserJet 4 Plus.
Compatible HP LaserJet 4 Plus Laser Cartridges
... And 2 third-party brand cartridges for the LaserJet 4 Plus by Tru Image.