Sensor Section - Panasonic KX-FM89BX Service Manual

2.3.11.2. NO LCD INDICATION
CROSS REFERENCE:
TEST FUNCTIONS()

2.3.12. SENSOR SECTION

Refer to SENSORS AND SWITCHES() for the circuit descriptions.
The Test Function makes the sensor circuit check easier. (Refer to TEST FUNCTIONS().) / For
example, as for "COVER OPEN SENSOR", "CO" is turned ON/OFF on the display when you
open or close the front cover. Also, document sensor, read position sensor, recording paper
sensor and jam sensor are turned ON/OFF by the copy operation. Therefore, each sensor can be
checked for proper mechanical operation. / As for the electric check, check whether each
voltage is right or not with following flowchart turning each sensor lever ON/OFF manually.
2.3.12.1. CHECK THE DOCUMENT TOP SW (SW353)................."REMOVE DOCUMENT"
2.3.12.2. CHECK THE DOCUMENT SET SW (SW352)................."CHECK DOCUMENT"
109