|If the cartridge is still in the packaging:|
Figure 1: Cartridge packaging
1 - Warranty Ends date
1 - Sales product number
|If the cartridge has been removed from the packaging and opened, check the product number on the bottom of the cartridge. If it begins CN680, CN681, CN682, CN683, CN684, CN685, CN686, CN687, CR276, or CR277 then the cartridge is the updated version.|
NOTE:the product number on the bottom of the cartridge will not match the sales product number on the product packaging, except for Black XL ink cartridge.
Figure 2: Bottom of cartridge
1 - Product number