
CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS
3-19
6.
ADF
Figure 3-13
Electric load
Symbol
Name
Code
Role
Photo-interrupter
PS801
Paper detection
PS805
Document leading edge sensor
Reflective sensor
PS802
Document length sensor 1
PS803
Document length sensor 2
Motor
M801
ADF motor
Thermoswitch
TH801
ADF motor thermoswitch
PCBs
Symbol
Name
Role
[1]
ADF relay PCB
Communication signal interface between
ADF and main unit
[2]
Document width sensor PCB
Document width detection
TH801
M801
PS801
PS805
PS802
PS803
PS806
[1]
[2]