Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1993-11-03
2000-11-14
Barlow, John
Incremental printing of symbolic information
Ink jet
Ejector mechanism
347 23, B41J 2165
Patent
active
061459569
ABSTRACT:
A recovery method for recovering proper operation of an ink jet recording head having a plurality of discharge ports and a plurality of thermal energy generating elements each corresponding to each of the discharge ports includes providing a recovery device for performing recovery according to a first recovery mode for only applying pressure to the discharge ports to effect suction of ink from the discharge ports while the discharge ports are capped by a capping device, and a second recovery mode for concurrently applying pressure to the discharge ports and driving the thermal energy generating elements to forcibly exhaust ink from the discharge ports while the discharge ports are capped by the capping means. The method also includes selectively performing recovery according to one of the first recovery mode and the second recovery mode.
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Arai Atsushi
Koitabashi Norifumi
Matsubara Miyuki
Sugimoto Hitoshi
Tajika Hiroshi
Barlow John
Canon Kabushiki Kaisha
Hallacher Craig A.
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