: Feb. 9 2004
1
AR-M550/M620/M700 SIGNAL NAME LIST 14 - 6
MPFC Paper feed clutch control signal
(Manual feed)
Manual feed tray paper feed
roller control
Paper feed — 13 20
PCU
MPFD1 Manual feed paper pass
detection signal 1
Manual tray paper pass
detection
— Paper pass 13 21
PCU
MPFD2 Manual feed paper pass
detection signal 2
Manual tray and LCC paper
pass detection
Paper pass — 18 6
PCU
MPFGS Manual feed gate solenoid
control signal
Manual feed gate control Paper pass
enable
Stopper 13 17
PCU
MPFPWS Manual feed paper width
detection signal
Manual feed paper width
detection
——13 16
PCU
MPLD1 Manual feed paper length
detection signal 1
Manual paper feed tray paper
length detection (Short)
—
Paper
present
13 6
PCU
MPLD2 Manual feed paper length
detection signal 1
Manual paper feed tray paper
length detection (Long)
—
Paper
present
13 10
PCU
MPRD1 Paper feed tray 2 paper pass
detection signal 1
Manual feed/paper feed tray 2/
LCC paper pass detection
Paper pass — 12 23
PCU
MPRD2 Paper feed tray 2 paper pass
detection signal 2
Manual feed/paper feed tray 2/
LCC paper pass detection
Paper pass — 12 29
PCU
MSWMON MSW monitor signal Main switch monitor ——19 23 PCU
MSWOFF MSW OFF signal Main switch OFF signal ——95PCU
MSWPR Main switch power relay control
signal
Main switch power relay control
Relay ON Relay OFF 2 15
PCU
MTOP1 Manual tray pull-out position
detection signal 1
Manual paper feed tray pull-out
position detection (Storing
position)
Store — 13 12
PCU
MTOP2 Manual tray pull-out position
detection signal 2
Manual paper feed tray pull-out
position detection (Pull-out
position)
Pull out — 13 14
PCU
OCSW SPF open/close detection
signal
Document size detection
trigger
Close 3 3
SCN
PAGE Page signal Print timing control for
controller (Output for every
page)
——914
PCU
PAGE1 Image effective area signal
(CCD)
Indicates image data area of
one page. (CCD)
——168
SCN
PAGE2 Image effective area signal
(CIS)
Indicates image data area of
one page. (CIS)
——10 12
SCN
PCS Image density sensor signal Detection of density of toner
patch on the OPC drum
——83
PCU
PCS-LED Image density sensor LED
current control signal
Image density sensor LED light
emitting quantity control
——81
PCU
PCU_DSR Serial communication control
signal
Send control signal (Serial
communication)
——913
PCU
PCU_DTR Serial communication control
signal
Receive control signal (Serial
communication)
——910
PCU
PCU_RES PCU reset signal PCU reset by the controller Operation
enable
Reset 9 7
PCU
PCU_RXD Serial communication send
data signal
Send data to the controller
——917
PCU
PCU_TXD Serial communication receive
data signal
Receive data from the
controller
——99
PCU
PD Document size detection signal OC document size detection
analog signal
——174
SCN
PDSEL0 Document detection select
signal 0
Document size detection signal
select
——172
SCN
PDSEL1 Document detection select
signal 1
Document size detection signal
select
——121
SCN
PDSEL2 Document detection select
signal 2
Document size detection signal
select
——122
SCN
PFD2 Paper pass detection signal 2
Paper pass detection (Left door
unit) from duplex (ADU)/No. 1,
3, 4 paper feed tray
Paper pass — 710
PCU
PGMCLK LSU motor RPM control signal
(CLK)
LSU motor RPM control
——22 6
PCU
PNC Count-up signal (Auditor) Count up (Auditor) Count UP 5 1 SCN
Signal name Name Function/Operation
Connector level
Connector
No.
Pin No.
PWB
name
Remark
"L" "H"
1
1
1
1
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