Scanning diagnostics

Details Scanning diagnostics Scanning diagnostics

1979-10-02

1981-12-15

Braun, Fred L.

Photocopying

Including fiber optics

355 14R, G03G 1528, G03G 1532

Patent

active

043056539

ABSTRACT:
The time periods between energization of an optics clutch and activation of a scan switch at the end of scan position and between de-energization of the optics clutch and actuation of the scan switch at the home position are provided. Representations of the time periods are continuously displayed during a copy run. The last timing periods of a copy run are temporarily stored until the next copy run. Upon entering a diagnostic mode, the machine will produce a copy in the normal manner and display a number corresponding to the forward scan and return scan or flyback time periods. Through suitable conversion, the scan time in milliseconds can be provided.

REFERENCES:
patent: 4118117 (1978-10-01), Koizumi et al.
patent: 4159173 (1979-06-01), Kasuga
patent: 4162396 (1979-07-01), Howard et al.

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