An injection controlling device for an inkjet printer and a controlling method thereof includes determining whether an ink cartridge is installed in the inkjet printer, printing patterns in order by driving an ink injection heater with an array of predetermined pulses with widths that vary in sequential...http://www.google.de/patents/US20040085384?utm_source=gb-gplus-sharePatent US20040085384 - Injection controlling device for inkjet printer and controlling method thereof
