Ink ribbon recording apparatus

Details Ink ribbon recording apparatus Ink ribbon recording apparatus

1995-01-30

1998-01-27

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Ribbon-feeding mechanism

400219, B41J 3314

Patent

active

057116237

ABSTRACT:
A single-pass ink ribbon and a multi-pass ink ribbon are incorporated in a single recording apparatus. An identification mark is attached to one end of the single-pass ribbon (or the multi-pass ink ribbon) so that a ribbon sensor can discriminate two kinds of ribbon from each other to find out which one is used for the printing. With the result of the discrimination, a controller selects an appropriate program to set up a printing condition for the ribbon being used for the printing. A thermal head temperature, a degree of wear of the ribbon and a black ratio of the ribbon may also be taken in account in determining the printing condition. If the thermal head temperature is used, one temperature table is selected from a number of temperature tables which are prepared in advance for respective temperature. The printing condition is determined such that the printing density is maintained as long as the same ink ribbon is used. If the multi-pass ink ribbon is used for the printing, the ink ribbon is pulled back to a position from which the first printing starts, upon the completion of the printing operation.

REFERENCES:
patent: 4611938 (1986-09-01), Rettke
patent: 5092695 (1992-03-01), Silverman

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