Bleaching method for thermosensitive recording medium

Details Bleaching method for thermosensitive recording medium Bleaching method for thermosensitive recording medium

1994-08-26

1995-10-31

Tran, Huan H.

Incremental printing of symbolic information

Thermal marking apparatus or processes

Pre or post image recording treatment

347175, B41J 232

Patent

active

054634172

ABSTRACT:
During thermal recording and optical fixing of a sheet of thermosensitive recording paper, a leading end of the recording paper has been clamped by a clamp member for securing the recording paper to a platen drum. Thereafter, the clamp member is released, and the platen drum is rotated at a high speed to rapidly move the leading end to a bleaching position directly below the center of an ultraviolet lamp which is used for the optical fixing. The leading end is stopped in the bleaching position for a short time enough to bleach the leading end by the ultraviolet rays.

REFERENCES:
patent: 5268707 (1993-12-01), Katsuma et al.

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