BC-03
Cartridge Refill method
InkTec : BKI-8403B use
1. Locate the small silver ball
plugging the refill hole and push it inside the cartridge for refilling.
2. Open the ink bottle cap and insert
the refill dispensing tip deeply into the refill hole that you have just
made. Squeeze the bottle gently and fill the cartridge with the proper
amount of ink.
3.Place the enclosed green rubber plug
on the refill hole. Then, install the cartridge in the printer and run
the "Head cleaning" utility.