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3
104
Chapter 3 Scanner Section
CN4-22
-23
-24
20
21
22
3
2
1
(2) Document Cover Open/Close Sensor
●
When the document cover is closed
Document cover open/close sensor : photointerrupted
CLOSE
OPEN
●
When the document cover is opened
Document cover open/close sensor : photopassed
Description
The document cover open/close sensor detects opening and closing of the document cover (or ADF
if the ADF is installed).
Red
Light green
Blue
Main PCB unit
Paper present: 0V
No paper: 5V
Operation
Sensor is photointerrupted with the document cover closed, The photointerrupter rotates as the
document cover is opened and sensor is photopassed.
Photopassing
Photointerrupting
Fulcrum
Fulcrum
1
Содержание DD 5450
Страница 1: ...RICOH DD5450 DD5440 Machine Code C284 C283 Field Service Manual June 2016...
Страница 2: ......
Страница 15: ...Chapter 1 Dimensions 13 2 Dimensions 2 622 1405 555 228 1080 710 980 688 370 Unit mm...
Страница 37: ...35 Chapter 2 Machine Installation 5 Touch OK DATE TIME is set 6 Touch END 1...
Страница 170: ......
Страница 262: ......