发明授权
US5344244A Printer and ink ribbon cartridge having color block detection means 失效
具有彩色块检测装置的打印机和墨带盒

Printer and ink ribbon cartridge having color block detection means
摘要:
A video printing apparatus including a thermal head and accommodating an ink ribbon cartridge having a plurality of color blocks. The apparatus has a subsidiary head which records an identification mark on the color blocks when used in a printing operation. The identification mark is recorded on a predetermined portion of the color block which is not used in a printing operation. A sensor is provided for detecting the identification mark recorded on the used color blocks.
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