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: Feb. 9 2004
1
AR-M550/M620/M700 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 9
M1SPD
M1SPD
Paper remaining quantity
detector (Paper feed tray 3)
Paper remaining quantity
detection (Paper feed tray 3)
Transmission
type
-
Remaining
paper quantity
66% or less
PCU PWB
Paper feed tray
remaining quantity
sensor
M1SS1
M1SS1
Paper size detector (Paper feed
tray 3)
Paper size detection by
combination of ON/OFF of MISS1
- 4
Tact switch
PCU PWB
Multi paper feed
tray vertical size
detection (Refer
to the separate
table in the “[14]
SIGNAL NAME
LIST” (*1).)
M1SS2
M1SS2
Paper size detector (Paper feed
tray 3)
Paper size detection by
combination of ON/OFF of MISS1
- 4
Tact switch
PCU PWB
Multi paper feed
tray vertical size
detection (Refer
to the separate
table in the “[14]
SIGNAL NAME
LIST” (*1).)
M1SS3
M1SS3
Paper size detector (Paper
feed tray 3)
Paper size detection by
combination of ON/OFF of MISS1
- 4
Tact switch
PCU PWB
Multi paper feed
tray vertical size
detection (Refer
to the separate
table in the “[14]
SIGNAL NAME
LIST” (*1).)
M1SS4
M1SS4
Paper size detector (Paper
feed tray 3)
Paper size detection by
combination of ON/OFF of MISS1
- 4
Tact switch
PCU PWB
Multi paper feed
tray vertical size
detection (Refer
to the separate
table in the “[14]
SIGNAL NAME
LIST” (*1).)
M2SPD
M2SPD
Paper remaining quantity
detector (Paper feed tray 4)
Paper remaining quantity
detection (Paper feed tray 4)
Transmission
type
-
Remaining
paper quantity
66% or less
PCU PWB
Paper feed tray
remaining quantity
sensor
M2SS1
M2SS1
Paper size detector (Paper feed
tray 4)
Paper size detection by
combination of ON/OFF of MISS1
- 4
Tact switch
PCU PWB
Multi paper feed
tray vertical size
detection (Refer
to the separate
table in the “[14]
SIGNAL NAME
LIST” (*1).)
M2SS2
M2SS2
Paper size detector (Paper
feed tray 4)
Paper size detection by
combination of ON/OFF of MISS1
- 4
Tact switch
PCU PWB
Multi paper feed
tray vertical size
detection (Refer
to the separate
table in the “[14]
SIGNAL NAME
LIST” (*1).)
M2SS3
M2SS3
Paper size detector (Paper feed
tray 4)
Paper size detection by
combination of ON/OFF of MISS1
- 4
Tact switch
PCU PWB
Multi paper feed
tray vertical size
detection (Refer
to the separate
table in the “[14]
SIGNAL NAME
LIST” (*1).)
M2SS4
M2SS4
Paper size detector (Paper feed
tray 4)
Paper size detection by
combination of ON/OFF of MISS1
- 4
Tact switch
PCU PWB
Multi paper feed
tray vertical size
detection (Refer
to the separate
table in the “[14]
SIGNAL NAME
LIST” (*1).)
MHPS
MHPS
Scanner home position sensor
Scanner home position detection
Transmission
type
Home position
PCU PWB
Sensor
OCSW
OCSW
SPF open/close detector
Document size detection trigger
Transmission
type
Close
SCN PWB
Sensor
PCS
PCS
Image density sensor
Detection of density of toner patch
on the OPC drum
Reflection type
-
-
PCU PWB
Analog detector
PDSELX
PDSELX
Document size sensor (Light
reception) (PT)
Document size detection
Photo
transistor
-
-
SCN PWB
Other detector
RTH1
RTH1
Heat roller temperature sensor
(Center section)
Heat roller temperature detection
(Center section)
Thermistor
-
-
PCU PWB
Analog detector
RTH2
RTH2
Heat roller temperature sensor
(Edge section)
Heat roller temperature detection
(Edge section)
Thermistor
-
-
PCU PWB
Analog detector
RTH3
RTH3
Sub heat roller temperature
sensor
Sub heat roller temperature
detection
Thermistor
-
-
PCU PWB
Analog detector
SCOV
SCOV
SPF cover switch
SPF cover open/close detection
Transmission
type
Close
SCN PWB
Sensor
Code
Signal
name
Name
Function/Operation
Type
Connector level
PWB name
Note
"L"
"H"
1
1
1
1
1
1
1
1
1
1
Содержание AR-M550N
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