Panasonic KX-FC379CX Service Manual page 169

KX-FC379CX
8.5.3. Cover open / Film end SW (SW501)................"COVER OPEN " or "CHECK FILM"
When the operation panel cover is closed and a film is set, the SW turns ON, and the input signal of IC501-23 pin (Digital) becomes
a low level. When the cover is opened, the SW turns OFF, and the input signal of IC501-23 pin (Digital) becomes a high level.
8.5.4. Paper Top Sensor (SW402)........................"PAPER JAMMED"
When the recording paper is loaded on the print head, the SW turns ON, and the input signal of IC523-44 pin (Digital) becomes
a low level. When the recording paper is not loaded on the print head, the SW turns OFF, and the input signal of IC523-44 pin
(Digital) becomes a high level.
Cover open or no film
Cover closed and set a film
Recording paper top
No recording paper
Digital Board
SW Signal (IC501-23 pin)
OFF High level
ON Low level
SW Signal (IC501-44 pin)
ON Low level
OFF High level
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