Genuine OEM HP LaserJet 4345x mfp Toners

The HP LaserJet 4345x MFP uses HP 45A black toner, part number Q5945A. The maintenance kits handle service needs inside the printer and should not be confused with the toner cartridge.

Toner Buzz carries genuine HP 45A toner along with Q5997A and Q5998A maintenance kits. Choose HP 45A for a toner warning, and use the exact kit number requested by the printer or your service technician for maintenance.

Guaranteed fit for HP LaserJet 4345x mfp

The products below are genuine OEM HP Supplies made for the HP LaserJet 4345x mfp.

  • OEM HP Supplies
  • Fits HP LaserJet 4345x mfp
  • 3 products for this printer

Standard Yield Products

Printer Supplies

Standard-Yield Cartridges for HP LaserJet 4345x mfp

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