Here you will find the toner cartridges compatible with the HP LaserJet 4345x MFP. If in doubt, check the code printed on the cartridge you are using or in the printer manual.
Check consumable compatibility
2 compatible products
- Toner HP 38A / 39A / 42X / 45A Black compatible - Q1338A / Q1339A / Q5942X / Q5945A: sibling-oem:3019