If the cartridge is still in the packaging:Cartridges other than Black XL
: find the Warranty Ends date on the back of the package. If there is a ‘v1’ several spaces to the right of the date, then the cartridge is the updated version. If ‘v1’ is absent, refer to the Warranty Ends date. If the date is September 2012 or later, then the cartridge is the updated version. Black XL cartridges:
find the sales product number on the bottom of the package. If a Black XL cartridge has a sales product number beginning with ‘CN684’, then the cartridge is the updated version.
| 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 |