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KX-FLB852CX / KX-FLB852CXS
7.12.8. PAPER TRAY SENSOR
This switch detects whether the paper tray #1 is set or not.
When the paper tray is set, the input signal of IC600- becomes low level.
When the paper tray is not set, the input signal of IC600- becomes high level.
Signal (IC600-B14pin)
TRAY #1 is set
Low level
TRAY #1 is not set
High level
7.12.9. HOME SENSOR
This sensor detects whether the carriage is at it´s home position or not.
When the carriage is at it´s home position, a shelter plate closes the sensor light.
So the photo-transistor turns off and the input signal of IC604-110pin becomes high level.
When the carriage is not at it´s home position, a shelter plate lets the sensor light pass.
So the photo-transistor turns on and the input signal of IC604-110pin becomes low level.
Photo-transistor
Signal (IC604-110pin)
A carriage is at home.
OFF
High level
A carriage is not at home.
ON
Low level
241
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Troubleshooting
