Ennovor W1480X with CHIP Compatible for HP 148X Toner Cartridge Black for Laser Jet 4001dw 4001dn 4001n MFP 4101fdw 4101fdn(1 Pack NOT USE with 4001dwe 4001dne 4001ne 4101fdwe 4101fdne)

This toner won't work with 4001dwe/4001dne/4001ne/4101fdwe/4101fdne printers due to firmware locks. Check your printer's label now. If it contains any of these models, use only original cartridges.
Packing Contents: 1 Pack 148X W1480X Black Toner Cartridge Replacement compatible for HP 148X. Compatible for HP Printers: Laser Jet 4001dw 4001dn 4001n MFP 4101fdw 4101fdn.
In order to use non-OEM toner cartridges properly,please turn off the printer "Automatic Update" function,which will not affect daily printing and quality printout.Upgrading the printer system to the latest version will result in the chip in the toner cartridge not being recognized by the printer, making it unusable.Activated HP+ service printers should use genuine toner cartridge.
Not Compatible with "e" series 4001dwe 4001dne 4001ne 4101fdwe 4101fdne. Page Yield: 9500 Pages per cartridge (at 5% coverage/A4 Paper).
Reliable after-sales service. After-sales problems are available to help and solve. Provide sharp text, bold blacks, crisp graphics. Long lasting and resists fading.