Panasonic KX-FLB852CX Service Manual page 240

KX-FLB852CX / KX-FLB852CXS
7.12.6. SORTER BIN2 SENSOR
This sensor detects whether an output tray #2 is full of paper or not.
When the output tray is full of paper, the input signal of IC604-28pin becomes high level.
When the output tray is not full of paper, the input signal of IC604-28pin becomes low level.
7.12.7. SORTER BIN3 SENSOR
This sensor detects whether an output tray #3 is full of paper or not.
When the output tray is full of paper, the input signal of IC604-28pin becomes high level.
When the output tray is not full of paper, the input signal of IC604-28pin becomes low level.
Signal (IC604-29pin)
TRAY #2 is full
TRAY #2 is not full
Signal (IC604-30pin)
TRAY #3 is full
TRAY #3 is not full
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High level
Low level
High level
Low level