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12 ADF unit explanation ENWW
*2 Original exit path switching
During the double side copy mode, the
up/down movement of the original exit
gate determines whether to eject the
original, or to feed the original to the
reversal section to scan it again.
The exit gate drive SD (SD302) turns
on/off during the double side copy
mode. To scan the back side, the
original exit gate goes down to convey
the original to the reversal section.
When both sides of the original are
read, the original exit gate lifts to exit the
original to the original exit tray.
Original feed/conveyance/scan
control
Original feed is performed by the pick roller
and feed roller driven by M301 (original
feed). Original conveyance is performed by
the original conveyance roller driven by
M302. Original is fed when MS301 (cover
open/close MS) and PS311 (ADF open/close
PS) are turned on.
Original exit gate
Original exit gate
Exit gate drive SD
(SD302)
PS311
PS303
PS302
PS301
PS304
PS305
PS306
PS307
PS308
DCPS
24V2
P.GND
5V2
S.GND
FM CONT
SIG
P.G
24V
24V
24V
DRIVE
5V
SIG
S.G
5V
SIG
S.G
5V
SIG
S.G
5V
SIG
S.G
5V
SIG
S.G
5V
SIG
S.G
5V
SIG
S.G
5V
SIG
S.G
5V
SIG
S.G
MS301
FM
301
MC301
M
301
M
302
24V
24V
A
A
B
B
24V
24V
A
A
B
B
SCDBPRCB
DF_M1_CLK
DF_M1_F/R
DF_M1_EN
DF_M1_M1
DF_M1_M2
DF_M1_I1
DF_M1_I2
DF_M1_
RETURN
DF_M2_CLK
DF_M2_F/R
DF_M2_EN
DF_M2_M1
DF_M2_M2
DF_M2_I1
DF_M2_I2
DF_M2_
RETURN
DF_FAN_CONT
DF_CL_CONT
DF_M_RESET
3.3V
S.G
PS301_SIG
PS302_SIG
PS303_SIG
PS304_SIG
PS305_SIG
PS306_SIG
PS307_SIG
PS308_SIG
PS311_SIG
DF_M2_MOI
DF_FAN_SC_SIG