B Mode And C Mode Sensors - Ricoh DD5450 Field Service Manual

3. Function of Parts

(1) B mode and C mode sensors

Circuit
Clamp motor
Clamp sensor 2
(C mode)
Clamp sensor 1
(B mode)
The mode is detected under the following conditions.
● B mode
When the clamp sensor 2 (C mode) is photointerrupted, the clamp sensor 1 (B mode) detects the
edge of Photointerrupting → Photopassing.
● C mode
When the clamp sensor 1 (B mode) is photointerrupted, the clamp sensor 2 (C mode) detects the
edge of Photointerrupting → Photopassing.
Chapter 3
Orange
Brown
Blue
CN2-10
Black
-11
Red
-12
Blue
CN2-13
Yellow
-14
Red
-15
Master Making/Master Feed/Ejection Section
2
Drive PCB unit
Photopassing: 0V
Photointerrupting: 5V
Photopassing: 0V
Photointerrupting: 5V
Main PCB unit
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