Image forming apparatus including liquid ejection head

An image forming apparatus includes a liquid ejection head (1), a head tank (101), a liquid storage container (76), a liquid feed device (78), a supply valve (105), an exhaust passage (112), a float valve (110), an air release valve (111), and a suction device (34). The exhaust passage (112) is disp...

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Bibliographische Detailangaben
Hauptverfasser:	NODA HIROSHI, ICHINOWATARI JUN, KATOH TOMOMI, ITO YOICHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	An image forming apparatus includes a liquid ejection head (1), a head tank (101), a liquid storage container (76), a liquid feed device (78), a supply valve (105), an exhaust passage (112), a float valve (110), an air release valve (111), and a suction device (34). The exhaust passage (112) is disposed in the head tank (101) and communicated with an ambient air. The float valve (110) is disposed in the head tank (101) to close the exhaust passage (112) in response to an amount of liquid in the head tank (101). The air release valve (111) opens and closes the exhaust passage (112) of the head tank (101). When the suction device (34) exhausts air from the exhaust passage (112) with the air release valve (111) open, the liquid feed device (78) is driven to pressurize and feed the liquid.