Typewriting machines – Safety switch or condition-responsive-cutoff switch for...
Patent
1996-08-20
1998-09-08
Burr, Edgar S.
Typewriting machines
Safety switch or condition-responsive-cutoff switch for...
395113, B41J 2938
Patent
active
058036237
ABSTRACT:
A printing system is disclosed in which a host computer 1 sends print data to a printer 2, and the printer 2 prints an image on a paper in accordance with the print data received. The printer 2 includes a printing mechanism 19 for performing a printing operation and a control unit 18 with a stand-by function. In the host computer 1, a printer driver 4 receives a print command from an application 3, and outputs removal data to the control unit 18 and then generates print data. Upon receipt of the removal data, the control unit 18 removes a stand-by status of the printer and places the printer in a wake-up status. The signal format of the removal data is the same as of the print data. Accordingly, a conventional interface may be used for the transmission of the removal data. Further, the data format of the removal data is the same as of the print data. Accordingly, the wake-up status of the printer may be removed by utilizing commands provided for some other purposes.
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Burr Edgar S.
Kelley Steven S.
Seiko Epson Corporation
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