PURPOSE: To minimize frequency of long machine stopping by preventing paper from being jammed again at the time of re-printing after paper jamming, and in case of frequent recurrence of paper jamming, by grasping if paper jamming needs the interposition of a maintenance person, and calling him only when paper jamming needs him.
CONSTITUTION: After detecting paper jamming through a paper detecting sensor such as an optical sensor 42, a command where a microcomputer 40 changes a paper conveying condition is made to a paper conveying condition changing means 43 for re-printing, based on a paper jamming generating part and a paper jamming description. In case of frequent recurrence of paper jamming even if the paper conveying condition is changed, it is displayed by an abnormality description displaying means 44 that occurring paper jamming needs the interposition of a maintenance person.
TSUJI HOKYO
TERAKADO TAKESHI
OBARA KAZUTOSHI
KAWAMOTO MASARU
