Sharp AR-M550N Service Manual page 453

: Feb. 9 2004
1
Signal name Name
SRRC SPF resist roller clutch control
signal
START LSU motor control signal
STLD SPF document tray lower limit
detection signal
STMPS Stamp solenoid control signal
STRBC SPF paper transport clutch
control signal
STRC SPF paper transport clutch
control signal
STRRBC SPF paper transport resist
brake clutch control signal
STRRC SPF paper transport resist
clutch control signal
STSET Stamp identification signal
STUD SPF document tray upper limit
detection signal
SYNC LSU horizontal sync detection
signal
T1LUD Paper feed tray upper limit
detection signal (Paper feed
tray 1)
T1LUM Paper tray lift-up motor control
signal (Paper feed tray 1)
T1PED Paper empty detection signal
(Paper feed tray 1)
T1PFC Paper feed clutch control signal
(Paper feed tray 1)
T1PPD Paper pass detection signal
(Paper feed tray 1)
T1PUS Paper pick-up solenoid control
signal (Paper feed tray 1)
T1SPD Paper remaining quantity
detection signal (Paper feed
tray 1)
T2LUD Paper tray upper limit detection
signal (Paper feed tray 2)
T2LUM Paper tray lift-up motor control
signal (Paper feed tray 2)
T2PED Paper empty detection signal
(Paper feed tray 2)
T2PFC Paper clutch control signal
(Paper feed tray 2)
T2PUS Paper pickup solenoid control
signal (Paper feed tray 2)
T2SPD Paper remaining quantity
detection signal (Paper feed
tray 2)
TANSET Paper feed tray 1/2 (Tandem
tray) detection signal
TCBIAS Transfer belt cleaning output
control signal (ON/OFF)
TCBPWM Transfer belt cleaning output
control signal (PWM)
TCS Toner density detection signal
TFSD Toner remaining quantity
detection signal
TH LCD temperature sensor signal LCD temperature detection
1
TH-CL OPC drum cleaner
temperature sensor signal
Function/Operation
SPF resist roller clutch control
LSU motor ON/OFF
SPF document tray lower limit
detection
Stamp solenoid control
SPF paper transport roller
brake clutch control
SPF paper transport clutch
control
SPF paper transport resist
brake clutch control
SPF paper transport resist
clutch control
Stamp Yes/No detection
SPF document tray upper limit
detection
LSU horizontal sync detection
(BD sensor signal)
Paper feed tray upper limit
(Paper feed tray 1)
Paper tray lift-up control (Paper
feed tray 1)
Paper presence detection
(Paper feed tray 1)
Paper feed clutch control
(Paper feed tray 1)
Paper pass detection from
paper feed tray 1
Paper pickup solenoid control
(Paper feed tray 1)
Paper remaining quantity
detection (Paper feed tray 1)
Paper tray upper limit detection
(Paper feed tray 2)
Paper tray lift-up motor control
(Paper feed tray 2)
Paper presence detection
(Paper feed tray 2)
Paper feed clutch control
(Paper feed tray 2)
Paper pickup solenoid control
(Paper feed tray 2)
Paper remaining quantity
detection (Paper feed tray 2)
Paper feed tray 1, 2 (Tandem
tray) insertion detection
Transfer belt cleaning bias ON/
OFF control
Transfer belt cleaning bias
output voltage PWM control
Toner density detection
Toner hopper remaining
quantity detection
OPC drum cleaner peripheral
temperature detection
AR-M550/M620/M700 SIGNAL NAME LIST 14 - 9
Connector level
Connector
No.
"L" "H"
ON 11
ON OFF 22
Lower limit 11
Stamp ON 1
ON 11
ON 11
ON 12
ON 12
Stamp
1
available
Upper limit 12
— — 22
Upper limit — 14
Stop Up 14
Paper Paper
14
empty present
Paper
— 17
transport
Paper pass — 25
Roller UP Paper feed 14
Remaining
paper
— 14
quantity
66% or less
Upper limit — 14
Stop Up 14
Paper Paper
14
empty present
Paper
— 12
transport
The roller
Paper feed 14
lifts up.
Remaining
paper
— 14
quantity
66% or less
Pull out Insert 17
ON OFF 7
— — 7
— — 12
Remaining Remaining
quantity quantity 11
large small
— — 1
— — 8
PWB
Pin No. Remark
name
SCN
7
7 PCU
SCN
15
48 SCN
SCN
9
SCN
8
SCN
20
SCN
19
SCN
47
SCN
14
PCU
29
PCU
13
PCU
1
PCU
15
PCU
4
PCU
3
PCU
7
PCU
16
PCU
21
PCU
2
PCU
23
PCU
3
PCU
8
PCU
22
PCU
25
PCU
22
PCU
18
16 PCU
PCU
11
93 SCN
PCU
12