MICR Toner Cartridge for HP Laserjet 4240, 4250 & 4350 Printers
Instructions for ink replacement, Cleaning and refilling the Q5942A Cartridge HP 4250 / 4350 printer - YouTube
HP 42X (Q5942X) Black, High Yield Toner Cartridge Replacement for HP LaserJet 4250, HP LaserJet 4350 by Printel | Price: $44.99 | Cartridge Products | Partsmart
Amazon.co.jp: HP lj4240/4250/4350 Q5942 A Toner (10,000 Sheets) HP – epq5942aj : Computers
Xerox 106R02338 - Xerox Black toner cartridge. Equivalent to HP Q5942A. Compatible with HP LaserJet 4240, LaserJet 4250, LaserJet 4350
LD Compatible Replacement 3PK Q5942A 42A Black Toner for HP 4350 4240n 4350dtnsl | eBay