The head of HP uses Thermal Ink jet Technology, the ink what gets through the head which is more than 300 degrees centigrade jets.
ຫົວຫນ້າຂອງ HP ໃຊ້ເຕັກໂນໂລຍີ Thermal Ink jet, ຫມຶກທີ່ໄດ້ຮັບໂດຍຜ່ານຫົວທີ່ມີຫຼາຍກວ່າ 300 ອົງສາ centigrade jets.