Thermal printing apparatus with improved power supply

摘要

A thermal printer has a printhead with a plurality of resistive heating elements selectively energized and de-energized to generate printed images on sheet material. In order to improve the quality of the printed image, a capacitor is provided to eliminate surges in the power supplied to the printhead. The capacitor means is mounted in close proximity to the printhead to minimize inductive impedance in the power supply system.