Dot recording device

Details Dot recording device Dot recording device

1999-08-31

2000-09-05

Eickholt, Eugene

Typewriting machines

Including adjustment for optimum printing plane

By adjustment of platen relative to carriage

400611, 347 41, B41J 1120

Patent

active

061132896

ABSTRACT:
A printer is provided wherein printing can be executed continuously after the rear end of printing paper comes off a paper feeding roller without loss in print image quality. Specifically, the position of a point nipped by a paper ejecting roller is placed higher than the position of the top face of a record medium regulating part, and the surface of the paper located upstream of the paper ejecting roller is pressed downward. The position of the top face of the record medium regulating may be varied and backed up. As a result, the rear end of the paper being pressed downward may be caused not to touch the print head. The printer is also provided with a driving controller, that executes an interlace recording method, and the end on the upstream side of the flat top face of the record medium regulating part is located within a range of the array of dot formation elements. The drive controller records a first line of a record object using dot formation elements located at the rear end of the recording head, after the front end of the record medium reaches the end on the upstream side of the top face of the record medium regulating part and is therefore properly positioned. Subsequently, the interlace recording method is executed by repeating sub scanning, by a predetermined sub scanning distance, and main scanning by the recording head.

REFERENCES:
patent: 5000591 (1991-03-01), Burgess
patent: 5610641 (1997-03-01), Ikado
patent: 5805176 (1998-09-01), Saito et al.
patent: 5889537 (1997-08-01), Shimada
patent: 5940092 (1999-08-01), Kashimura et al.
patent: 5961224 (1999-10-01), Baitz et al.
patent: 6045274 (2000-04-01), Nakanishi

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