Method for recycling an ink sheet and thermal transfer printer u

Details Method for recycling an ink sheet and thermal transfer printer u Method for recycling an ink sheet and thermal transfer printer u

1993-08-18

1994-09-13

Smith, Matthew S.

Photocopying

Contact printing

Light boxes

355210, 346 76PH, 400197, 400198, 400200, G03G 1500, G03G 2100

Patent

active

053473442

ABSTRACT:
A thermal transfer printer capable of quickly starting after being turned on and reproducing high quality color images, includes a photosensitive roller forming a charge pattern according to an ink transferred portion on an ink sheet at a time that the photosensitive roller is exposed to light from a light source through ink transferred portion of the ink sheet while the ink sheet is superimposed on the photosensitive roller. Nonconductive, charged ink powder is applied only to the ink transferred portion by electrostatic force produced in correspondence with the charge pattern. The ink powder filled in the ink transferred portion is then fused by a heating roller to form a uniform thickness of the ink layer of the ink sheet, and the ink sheet is used again for the thermal head of the printer.

REFERENCES:
patent: 4359748 (1982-11-01), Pasini et al.
patent: 4976986 (1990-12-01), Akutsu et al.
patent: 5057875 (1991-10-01), Itoh
patent: 5148225 (1992-09-01), Takeda et al.
patent: 5170187 (1992-12-01), Oikawa
patent: 5196870 (1993-03-01), Itoh et al.
patent: 5198835 (1993-03-01), Ando et al.
patent: 5237368 (1993-08-01), Itoh et al.
Nose et al, "A Color Thermal Transfer Printer with Recording Mechanism", SID 85 Digest, pp. 143 to 145, 1985.
IBM Technical Disclosure Bulletin, vol. 32, No. 4A, "Improved Reflow Head Design", pp. 456-457, Sep. 1989.

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