Direct thermal printer

Details Direct thermal printer Direct thermal printer

1992-08-05

1993-12-07

Fuller, Benjamin R.

Recorders

Thermal recording

346 76PH, 346138, B41M 526, B41J 2325

Patent

active

052687074

ABSTRACT:
A direct thermal printer wherein a leading edge of a sheet of thermosensitive recording paper is clamped by a clamp member for securing the recording paper to a platen drum. After thermally recording an image and optically fixing the image on the recording paper, the recording paper is released from the clamp member to be ejected from the printer. When the leading edge of the recording paper, which has been under the clamp member and has therefore not yet been optically fixed, reaches an illuminating position of an ultraviolet lamp of an optical fixing device during the paper ejection, the lamp is turned on for a time period, so as to optically fix the leading end. The ultraviolet lamp is of a U-shape for reducing the optical fixing time.

REFERENCES:
patent: 4734704 (1988-03-01), Mizutani et al.
patent: 4962386 (1990-10-01), Hakkaku et al.

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