DOUBLE D Compatible 972 972X Ink Cartridges with Chip Upgrade Device Replacement for 972X 972A use with PageWide Pro 477dw 477dn 577dw 577z 452dn 452dw 552dw P55250dw P57750dw (1BK,1C,1M,1Y, 4 Pack)

Chip Upgrade Device Upgrade to the latest version at any time with the upgrade device, no headachesc about the printer not recognizing the ink cartridge ^^ Compatible PrintersPageWide Pro 452dn 452dw PageWide Pro 477dn 477dw 552dw 552dn 577dw 577z P55250dw P57750dw Printer ^^ Packag Contents 1 x Black 972X, 1 x Cyan 972X, 1 x Magenta 972X, 1 x Yellow 972X, 1 x Chip Upgrade Device, 1 x Gloves, 1 x User Guide ^^ Extra High Yield10, 000 pages per Black 972X ink cartridges, 7, 000 Pages per Cyan 972X, Magenta 972X, Yellow 972X (at 5% coverage) ^^ Advantages Multiple Certifications, Premium Print Quality, Cost Effective, Newest Chip, Secure PackedShow Ink Level ^^ Reliable SupportDOUBLE D offer 24 hours support, please don't hesitate to get in touch with us if you have any questions