AR-203E/5420/M200/M201 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 6
5. Sensors and switches
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6
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No. Name Signal Type Function Output
1 Scanner unit home position
sensor
MHPS Transmission sensor Scanner unit home position
detection
"H" at home position
2 POD sensor POD Transmission sensor Paper exit detection "H" at paper pass
3 PPD2 sensor PPD2 Transmission sensor Paper transport detection 2 "L" at paper pass
4 Cassette detection switch CED1 Micro-switch Cassette installation detection "H" at cassette insertion
5 PD1 sensor (AR-M200/M201) PD1 Micro-switch Paper width detect "H" at A4 size or less
"L" at A4 size or more
6 PPD1 sensor PPD1 Transmission sensor Paper transport detection 1 "L" at paper pass
7 Door switch DSW Micro-switch Door open/close detection
(safety switch for 24V)
1 or 0V of 24V at door open
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