A liquid ejection recording apparatus has a carriage, a liquid ejection recording unit, a lever biased by a spring for mounting the unit on the carriage, and a communication hole portion formed in an ink tank in the unit. When the unit is fixed on the carriage for printing, a projection presses the communication...http://www.google.fr/patents/US4920360?utm_source=gb-gplus-shareBrevet US4920360 - Liquid ejection recording unit and liquid ejection recording apparatus
Liquid ejection recording unit and liquid ejection recording apparatus
