Pcb, Sensor, Unit - Canon imageFORMULA DR-G2140 Service Manual

CHAPTER 2 FUNCTION & OPERATION

2. PCB, Sensor, Unit

1) Base unit
Name
Control PCB
Power PCB
Sub-drive PCB
Eject PCB
Staple PCB
Document sensor PCB
Ultrasonic drive PCB
Tray home sensor
Shading sensor (back)
Reading unit (back)
Operation panel unit
2-28
Figure 2-703
Symbol
B1
B2
B3
B4
B5
B6
B7
PS1
PS2
U1
U2
Table 2-703
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Remarks
Staple sensor PD
Exit sensor LED/PD
Staple sensor LED
Document sensor LED
Ultrasonic sensor (transmit)
Registration middle sensor LED/PD
Registration back sensor LED/PD
Power switch, Operation keys
CANON DR-G2140/G2110/G2090 FIRST EDITION