Amazon.com: Laser Tek Services Compatible Toner Refill Kit Replacement for HP 39X Q1339X High Yield Works with HP Laserjet 4300 4300dtn 4300dtns Printers (Black, 1 Pack) - 18,000 Pages : Office Products
Amazon.com: Xerox Phaser 6110 Black Standard Capacity Toner Cartridge (2,000 Pages) - 106R01274 : Office Products
Amazon.com: HP 201 CF253XM Cartucce Toner, ad Alta Capacità, da 6.900 Pagine, per Stampanti HP LaserJet Serie Pro M252, Serie Pro M274 e M277& 201A CF400A Cartuccia Toner Originale per Stampanti Laser