Drive control method for thermal transfer printer

Details Drive control method for thermal transfer printer Drive control method for thermal transfer printer

1991-07-15

1992-09-01

Fuller, Benjamin R.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346 76PH, 400120, 400237, 400240, 4002402, 4002403, 4002404, G01D 900, G01D 1500, B41J 2325

Patent

active

051443317

ABSTRACT:
A drive control method for a thermal transfer printer adapted to carry out printing by melting a thermofusible ink of an ink ribbon and transferring the molten ink onto a printing paper. The ink ribbon is formed with a blank portion coated with no ink, which blank portion is formed between an ink layer and a mark for indicating the ink layer. Under the condition where the thermal head is spaced from the printing paper, the ink ribbon is moved to bring the blank portion into opposition to the thermal head. At this position, the thermal head is pressed through the blank portion against the printing paper. Then, the thermal head is moved relative to the printing paper and the ink layer, and simultaneously the thermal head is heated to transfer the ink of the ink layer onto the printing paper. According to this drive control method, no ink is transferred onto the printing paper upon pressing the thermal head through the ink ribbon against the printing paper, thereby preventing staining of the printing paper due to the ink.

REFERENCES:
patent: 4687359 (1987-08-01), Barrus et al.
patent: 4890120 (1989-12-01), Sasaki et al.
patent: 4925324 (1990-05-01), Ichisawa

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