1.The continuous ink system(CISS) is suitable for stylus  pro 3800C/3850/3800C printer. There are only diference among the chips.
2.3800C/3850 cartridge capacity is 200ml. It is P.P.material .
3.When refilling ink into cartridge,taking out the rubber from air hole and refillable hole .
4.Our CISS cartridge is with autoreset chip . The autoreset chip should use with with original chip together. 
Insturcution as follows:
  (1) Take out the original chip from the original cartrige ,then install the original chip into our CISS cartridge
  (2) Connect the autoreset chip with the original chip. 
  (3) Refill the ink into the cartridge
  (4) When install our auto reset chip, it is very easy to reset the chip and the ink level will be reset to 100% status. 
   Just need press the cartridge's "push button",the cartridge will come out. Then put the cartridge back, the cartridge will reset by itself. Now,check that the ink level, it is 100%.

Remark
1. Refill the ink
1),Take the air rubber  out off cartridge so that the air will be force out the cartridge.You also can suck out the air by syringe.
2)When refill the ink , place the CISS tank at a higher position.
2.About the original chip
1) Dry the original chip before  refill the ink. Don't let the original chip touch water,ink and the other liquid. If the original chip touch liguid,it may be easy to get short circuit.
2)Check the original chip whether it is  dry and oxidized before you refill the ink. Because the original chip will be easy to get short circuit there's liquid or dust or has been oxidized. If the original chip is oxidized or dirty, clean it by  the alcohol.