Printing apparatus capable of backlash regulation

Details Printing apparatus capable of backlash regulation Printing apparatus capable of backlash regulation

1988-05-16

1989-11-21

Sewell, Paul T.

Typewriting machines

Control of print position along print-line by signal...

400322, 400577, B41J 1930, B41J 2530

Patent

active

048818348

ABSTRACT:
In a carriage driving system of a printing apparatus, due to play between gears and elongation of a wire or belt, a positional error is produced in the stop position of a carriage when the carriage is moved in the backspacing direction. Then, in the conventional printing apparatus, the carriage is backspaced while the error is regulated every time data is inputted in the centering mode or the right margin flash mode, but this increases the number of times of movement of the carriage, and therefore extra vibration and noise are generated. Disclosed is a printing apparatus comprising a regulating means for controlling a printing means to regulate a positional deviation in response to a print start command signal in a specified mode such as a centering mode and a right margin flash mode.

REFERENCES:
patent: 4044882 (1977-08-01), Weinke et al.
patent: 4311398 (1982-01-01), Gerjets
patent: 4403301 (1983-09-01), Fessel

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