Printer and printer control method
First Claim
Patent Images
1. A printer comprising:
- a transportation mechanism for conveying a rolled print medium through a transportation path with the rolled print medium having a trailing end;
a print head for printing images on the print medium;
a carriage for carrying the print head while being adapted to move along a carriage path in a direction transverse to the transportation path;
a paper detector for detecting the trailing end of the print medium; and
a drive control unit responsive to a computer and to said paper detector for driving the carriage while directing the transportation mechanism to move the print medium in synchronism with movement of the carriage along the carriage path such that when the paper detector detects the trailing end of the print medium, the print medium is advanced and stopped so that the trailing end of the print medium is positioned on the transportation path outside of the carriage path.
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Accused Products
Abstract
A printer which prints to a roll paper medium under the control of the printer and to a printer control method for maintaining consistently in high quality printing even at the end of a roll paper print medium. The printer conveys roll paper 11 through a paper transportation path and prints to the roll paper 11 using a print head 21 carried on a carriage 23 that moves transverse to the transportation path. When the trailing end 11a of the roll paper is detected, the printer advances and then stops the print medium so that the trailing end 11a of the roll paper is positioned on the transportation path outside of the carriage path 53.
8 Citations
8 Claims
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1. A printer comprising:
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a transportation mechanism for conveying a rolled print medium through a transportation path with the rolled print medium having a trailing end; a print head for printing images on the print medium; a carriage for carrying the print head while being adapted to move along a carriage path in a direction transverse to the transportation path; a paper detector for detecting the trailing end of the print medium; and a drive control unit responsive to a computer and to said paper detector for driving the carriage while directing the transportation mechanism to move the print medium in synchronism with movement of the carriage along the carriage path such that when the paper detector detects the trailing end of the print medium, the print medium is advanced and stopped so that the trailing end of the print medium is positioned on the transportation path outside of the carriage path. - View Dependent Claims (2, 3, 4)
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5. A control method for use in a printer that prints images on a rolled print medium having a trailing end for controlling the transportation of the print medium through a transportation path and for driving a print head carried on a carriage along a carriage path transverse to the transportation path, the control method comprising steps of:
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detecting the trailing end of the print medium; and advancing and then stopping the print medium after the trailing end of the print medium is detected so that the trailing end of the print medium is positioned on the transportation path outside the carriage path. - View Dependent Claims (6, 7, 8)
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Specification