Panasonic KX-FL513RU Service Manual page 178

KX-FL513RU
7.11.4. TOP COVER OPEN SWITCH
The Switches detect whether the printer cover is open or closed.
When the printer cover is closed, the switches turn ON, and the input signal of IC605-37pin becomes a high level.
When the printer cover is open, the switches turns OFF, and the input signal of IC605-37pin becomes a low level.
7.11.5. DRUM SENSOR
The Switch detects whether the OPC unit is set or not.
When there is the DRUM unit, the input signal of IC605-16pin becomes a high level.
When there is no DRUM unit, the input signal of IC605-16pin becomes a low level.
Switch
Open OFF
Close ON
DRUM Set
No DRUM
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Signal (IC605-37 pin)
Low level
High level
Signal (IC605-16 pin)
High level
Low level