发明名称 PRINTING APPARATUS CAPABLE OF DISTINGUISHING FUNCTIONING ABNORMALITIES
摘要 There is described a printer with a mechanism for detecting abnormality in the printing mechanism such as a type font wheel. The detection at the start of power supply is effected with a criterion different from that in the course of printing operation, in order to simplify the operation for the initial errors encountered at the start of power supply.
申请公布号 US5203636(A) 申请公布日期 1993.04.20
申请号 US19920841199 申请日期 1992.02.27
申请人 CANON KABUSHIKI KAISHA 发明人 NISHIKAWA, HIROSHI
分类号 B41J1/20;B41J29/393 主分类号 B41J1/20
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