Apparatus and method for determining status of inkjet print head identification circuit

摘要

An apparatus and a method for determining status of inkjet print head identification circuit are provided for an inkjet print head with a plurality of signal lines. The apparatus comprises: a status output terminal outputting one bit data of the status of the inkjet print head identification circuit; a first blowing terminal electrically coupled to the status output terminal via a first programmable switch; and a second blowing terminal electrically coupled to the status output terminal via a second programmable switch; wherein one of the first programmable switch and the second programmable switch being off to determine a voltage level of the status output terminal.