HP 934, 935, 934XL, 935XL Ink Refill – Easy Step-by-Step Video Guide!

Compatible with HP cartridge: 

934BK, 935C, 935M, 935Y, 934XL BK, 935XL C, 935XL M, 935XL Y

For use model number:

Officejet Pro 6230, 6820, 6830

Note:

Refill up to 7ml for HP 934BK
Refill up to 25ml for HP 934XL BK
Refill up to 5ml for HP 935C, 935M, 935Y
Refill up to 10ml for HP 935XL C, 935XL M, 935XL Y