note
for refillable ink cartridge or CISS
Warranty
1:1 replacement policy for defective products
for printers
for hp Officejet Pro K550 K5400 L7580 L7780 K8600
for cartridge
for hp 88 hp88
for cartridges
C9391 C9392 C9393 C9396
note 1
factory direct sales with proven quality