Service manual

Chapter 4
4-3
F-4-3
T-4-3
4.2 Basic Sequence
4.2.1 Basic Sequence at Power-on
0010-4246
iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
F-4-4
Jack No. Function
J401 Supplies power (24 VDC) from the main body (printer).
J402 Supplies power (5 VC, 3.3 VDC) from the main body (printer).
J403 Communicates with the main body (printer) (to control the ADF).
J404 Communicates with the main body (printer).
J405 Connected to the copyboard open/close sensor.
J406 Connected to the contact image sensor (CIS) HP sensor.
J407 Connected to the original sensor 1 and original sensor 2.
J408 Connected to the contact image sensor (CIS).
J409 Connected to the reader motor.
J410 Supplies power to the ADF.
J411 Communicates with the ADF (to drive the sensor).
J412 Communicates with the ADF (to drive the motor).
J413 Connected to the original sensor 3, original sensor 4, and original sensor 5.
J409
J412
J411
J403J404J405
J402
IC1
J408
J407
IC5
J413
J406
J410
IC9
IC4
J401
DC24V
DC3.3V
DC5V
IC2
: Backward movement
: Forward movement
Main power switch
ON
SREADY
STBY
Reader motor
(M401)
LED
CISHP sensor
(SR401)
Shading
position
Shading
position