Thermal transfer medium feeding for conservation

Details Thermal transfer medium feeding for conservation Thermal transfer medium feeding for conservation

B - Operations, Transporting

41

J

101/43

B41J 33/36 (2006.01) B41J 2/325 (2006.01)

Patent

CA 1213465

THERMAL TRANSFER MEDIUM FEEDING FOR CONSERVATION Abstract Conservation of ribbon 40 is achieved by underfeeding ribbon 40 relative to movement of thermal print head 16. Pressure of printhead 16 may be low enough that smearing from a typical ribbon 40 does not occur. Gears 208, 210, 212, 214 and 216 may be positioned in one of two settings by action of bellcrank 230. One position provides a 1.04 to 1 underfeed ratio and the other provides a 5 to 1 underfeed ratio. Control 232 lowers print current for the 5 to 1 ratio. A printer having a single ratio of 1.04 to 1 provides printing of unimpaired quality with significant saving of ribbon.

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