Self-diagnostic system for image reading equipment

Details Self-diagnostic system for image reading equipment Self-diagnostic system for image reading equipment

1990-03-15

1993-01-05

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Facsimile measuring, testing, or calibrating

358405, H04N 100, H04N 132

Patent

active

051776219

ABSTRACT:
A self-diagnostic system for image reading equipment having an imaging unit and at least one circuit board, including a pattern generator, which generates a prescribed pattern signal, disposed at the input end and/or the output end of the circuit board. According to this system, a source of problems occurring in the image reading equipment can be identified, that is, a faulty component can be identified by performing a copying operation for a pattern generated by the pattern generator.

REFERENCES:
patent: 4438453 (1984-03-01), Alston
patent: 4903144 (1990-02-01), Stefanik et al.

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