Cooldown timing system monitors inkjet cartridge ink levels

摘要: An inkjet cartridge cooldown time system is used to monitor the ink level remaining in provide an early warning before completely empty, so may be either refilled or replaced. monitoring method selects first and second temperatures. Then paused during a printing operation, such as form feed, measure required for transition from temperature temperature. The measuring step repeated compile set of times. In signaling step, operator alerted approach out condition when has increased selected value, at least 20%, over compiled mechanism also equipped using this levels.