Wire dot-matrix printer

Details Wire dot-matrix printer Wire dot-matrix printer

1985-07-24

1987-03-24

Sewell, Paul T.

Typewriting machines

Including adjustment for optimum printing plane

Responsive to thickness of record-medium

400 57, 400 59, B41J 2528, B41J 1120

Patent

active

046521534

ABSTRACT:
A wire dot-matrix printer has a print head which can be moved toward and away from a sheet or sheets of print paper by means of a stepping motor, the print head being movable from an initial position. The wire dot-matrix printer also includes a detector for detecting the thickness of the sheet or sheets of print paper by bringing the print head from the initial position into abutment against the sheet or sheets and then moving the print head back to the initial position, and a controller for determining the speed of movement of the print head with respect to a platen in parallel relationship thereto, based on information from the detector.

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