Renewable Toner Compatible MICR Toner Cartridge High Yield Replacement for HP 49X HP Q5949X for Laserjet 1320 3390 3392 DEPENDABLE CHECK PRINTING. RT Compatible HP 49X MICR Cartridge for consistent check printing SUPERIOR QUALITY. The RT Compatible HP 49X MICR Cartridge contains high quality magnetic toner that guarantees bank acceptance REPLACES OEM #: HP 49X Q5949X HP 49A Q5949A | High Yield: 6k standard pages; prints 18k checks @ 3 per page FOR USE in HP LaserJet 1320 1320n 1320nw 1320t 1320tn 3390 3392 printer series LIFETIME WARRANTY: we always honor our warranty, even if the Amazon return window has closed