Both the 94/95 and 96/97 labels are combo-pack print cartridges for HP's inkjet printers. “Combo-pack” means that they include both black ink -- HP ... inkjet cartridge combo-pack 96/97 ...
Not all HP printers have expiration dates on ink cartridges. Some printers use the expiration date, but allow the user to override the expiration and continue using the cartridge. The expiration ...