Chip resetter for GC21 reset chip

1.Do not reset the chip set before the printer shows"no ink"

2.Pls choose right type of resetter for different cartridge model,as shows:

"L"Model cartridge (85ml-black,75ml-cmy) use "L" resetter

"M"Model cartridge(39ml-CMKY) use "M" resetter

"S"Model cartridge(25ml-CMKY) use "S" resetter

3.But if you use"L"resetter on the "S" or "M"model cartridge,the chip set will work according to "L"model cartridge,it means that the cartridge need to fill 85ml ink,pls check