148X Toner Cartridge Black (with Chip) — Compatible Replacement for HP 148A 148X W1480A W1480X; Fits HP Pro 4001dw 4001dn 4001n and MFP 4101fdw 4101fdn Printers — High Yield (2 Pack)

Important notice: HP released new firmware for printers in late August. To prevent any compatibility problems, update the toner cartridge chip first using the upgrade tool included with the product. If your printer still has automatic updates enabled, be sure to apply the chip update before installing the cartridge. Compatibility: Compatible for HP Pro 3001dw 3001fdw MFP 3101fdw toner printer. Also fits HP Pro 4001dw 4001dn 4001n and MFP 4101fdw 4101fdn models listed in the title. Warning: Not compatible with HP Pro 3001dwe and HP Pro MFP 3101fdwe printer, (avoid models with "e" suffix). High page yield: Up to 1,500 Pages for 138A black laserjet toner cartridge (Letter A4, at 5% coverage). Package Contents: 1 Pack 138A Toner Compatible for HP 138A W1380A 138X W1380X Toner.