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Code
PS_A1
Arch Sensor
PS_A2
Delivery Tray Sensor
PS_A3
LTR-R/ LGL Sensor
PS_A4
AB/ Inch Sensor
PS_A5
Cover Open/Closed Sensor
PS_A6
Lead Sensor 1
PS_A7
Lead Sensor 2
PS_A9
Paper Back Reading Glass HP Sensor
UN_BO6
Original Size Sensor
UN_BO7
Double Feed Sensor PCB (transmission) Double feed detection (transmission)
UN_BO8
Double Feed Sensor PCB (reception)
PS_N1
Original Sensor
PS_R1
Post-separation Sensor
PS_R2
Registration Sensor
PS_R3
Large Size/ Small Size Sensor
ADF Driver PCB
The connections of the ADF Driver PCB are indicated below.
ADF Driver
PCB J No.
Code
J401
UN_BO1
J402
UN_BO1
J404
STM1
STM2
J405
STM3
J407
CL1
SL1
PS_A1
PS_A2
PS_N1
PS_R1
UN_BO4
J409
FAN_A1
Name
J402
J409
J403
Connection destination
Name
Reader Controller PCB
Reader Controller PCB
ADF Registration Motor
ADF Pickup Motor
ADF Read Motor
ADF Pickup Clutch
ADF Stamp Solenoid
Arch Sensor
Delivery Tray Sensor
Original Sensor
Post-separation Sensor
Original Display LED
ADF Cooling Fan
Detection description
Pullout Roller arch formation timing
Existence of originals in the Original Output Tray
Identifying LTR-R/LGL paper
Identifying A4R/LTRR and A5R/STMTR paper
Opening/closing of the Feeder Cover
Lead Roller 1 disengagement timing
Lead Roller 2 disengagement timing
Reading Glass position
Original size in the width direction
Double feed detection (reception)
Existence of originals in the Document Pickup
Tray
The position of the leading edge of the original
immediately after pickup
Registration arch formation timing
Identifying large size/small size originals
J401
J408
IC
J404
ADF Driver
PCB J No.
J408
J410
42
Jam Detection
Delay
Yes
-
-
-
-
Yes
Yes
-
-
-
-
-
Yes
Yes
-
J407
J410
Connection destination
Code
Name
PS_A5
Cover Open/Closed Sensor
PS_A6
Lead Sensor 1
PS_A7
Lead Sensor 2
PS_A9
Paper Back Reading Glass HP
Sensor
PS_R2
Registration Sensor
UN_BO6
Original Size Sensor
UN_BO7
Double Feed Sensor PCB (trans-
mission)
UN_BO8
Double Feed Sensor PCB (recep-
tion)
UN_SNS1
Original Width Volume
PS_A3
LTR-R/ LGL Sensor
PS_A4
AB/ Inch Sensor
PS_R3
Large Size/ Small Size Sensor
UN_BO5
Delivery Display LED
2. Technology
Sta-
Others
tion-
ary
Yes
-
-
-
-
-
-
-
-
Yes
Yes
-
Yes
-
-
-
-
-
-
Yes
-
Yes
-
-
Yes
-
Yes
-
-
-
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Table of Contents
Troubleshooting
