Printer self-diagnosis device
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United States of America Patent
Stats
-
Jun 25, 1991
Grant Date -
N/A
app pub date -
Nov 14, 1989
filing date -
Nov 14, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A self-diagnosis device provided in a printer that detects more than one error among a plurality of functional mechanisms provided in the printer, with one process. Test devices are provided for testing the functional mechanisms, and a control unit operates the test devices to detect an error, even if errors have been detected in other functional mechanisms.
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Family
International Classification(s)
Cited Art Landscape
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