Thermal printer with means for reducing color shifts

Incremental printing of symbolic information – Thermal marking apparatus or processes – Record receiver driving means

Patent

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Details

B41J 1142, B41J 1144

Patent

active

055260330

ABSTRACT:
A thermal printer includes a memory for storing a correction for cancelling variations in a paper feed caused by a previously determined uneven paper feed, a first calculator for calculating an uneven paper feed in each of the lines to be printed, a second calculator for calculating a correction corresponding to the uneven paper feed calculated by the first calculator; and a control for controlling the paper feed in each of the lines according to the correction calculated by the second calculator.

REFERENCES:
patent: 4912490 (1990-03-01), Negoro et al.

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