hp 934xl black

Kindly reminder: 1. We are in this field more than 25 years,we have much product resources and net work resources 2. All the production ,we 100% testing on printer ,it is working fine ,then we packed 3. When you change the product ,please make sure the printer can work 4. When you get printer head ,it will have some liquid ,that is printer head protecting liquid 5. Please check your printer Main board, cable etc when you replace the print head 6. We also could help customer clean the head to make sure it is OK 7. All our ink is never hurt the printer head 8. Please clean your printer damper, pipe and print head when you change our inks 9. All ink cartridge is pass the high temperature test / freezing test / weight pressure test / drop test and so on 10.All the printer parts (chips, reset-er, ink dampers and so on) is new and compatible the printer model 11. Special color revise management, bright color in picture, reducibility is nice. 12.Moderate rate of drying, good compatibility, nice stability, no rough edge, and satisfy customer’s needs.