Control system for switching ink ribbon

  • Inventors:
  • Assignees: Fujitsu Ltd
  • Publication Date: February 19, 1981
  • Publication Number: JP-S5617282-A

Abstract

PURPOSE: To restrain a lowering of a printing speed due to switching of a ribbon for changing a color thereof at the minimum by a method wherein an auxiliary memory portion is provided to memorize the color changing of printed letters corresponding to printing informations memorized in a line buffer memory. CONSTITUTION: When data are stored into a line buffer memory 1, color specifying data for red or black, times necessary for switching a ribbon or places to effect switching of the ribbon, number of letters in one row or the like are memorized into an auxiliary memory portion 2 as auxiliary data. A decision portion and a line buffer scan protion 4 are incorporated into a program soft and a decision whether a next row should also be printed in a positive direction or it should be printed in a reversed direction is effected at the decision portion 3 based on a printing head present location signal from a control portion 5 and a data stored address transmitted from the auxiliary memory portion 2 upon finishing the printing of one printing row. COPYRIGHT: (C)1981,JPO&Japio

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    Publication numberPublication dateAssigneeTitle
    JP-S56144186-ANovember 10, 1981Hitachi LtdPrinting system