The first pneumatic pump type matching the can reduce the ink waste and infrequent ink foreign body blocked sieves and as a result of motor overheats fire incidents, has high security.

• 气不静泵式的首次配不朱度较少，不妨裁减油不朱爱惜，且好多爆发油不朱洋的异物不通功滤网和因电机功热变成火警的变乱，具有较矮的安全性。