Ink jet recording apparatus

Details Ink jet recording apparatus Ink jet recording apparatus

2011-06-07

2011-06-07

Huffman, Julian D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S029000, C347S030000

Reexamination Certificate

active

07954922

ABSTRACT:
Activation/deactivation of a pump50is executed with a delay of a predetermined time from a forward/reverse switching of rotation of a conveying roller2, while an activation/deactivation of lock means20is executed simultaneous with a forward/reverse switching of rotation of the conveying roller2, and, at the switching of the driving direction of the conveying roller, a difference in timing is provided in the drive transmission so as not to transmit the driving power to the pump for a time necessary for the activation/deactivation switching of the lock means. By separating the cap from the recording head while retaining a negative pressure in the cap after the ink suction operation, thereby reducing the ink amount remaining on the discharge port face or in the cap after the ink suction operation.

REFERENCES:
patent: 5231416 (1993-07-01), Terasawa et al.
patent: 6315468 (2001-11-01), Kishida et al.
patent: 6913340 (2005-07-01), Tanaka et al.
patent: 2002/0126177 (2002-09-01), Sugimura et al.
patent: 09-109379 (1997-04-01), None
patent: 10-278396 (1998-10-01), None
patent: 2001-138546 (2001-05-01), None
patent: 2004-082409 (2004-03-01), None

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