Read Sharp MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man18) Service Manual online
MX-4101N ELECTRICAL SECTION 10 – 37
3. Signal list
Signal
name
Name [Type]
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB
name
NOTE
"L"
"H"
1TNFD
Waste toner full detection
switch [Mechanical switch]
switch [Mechanical switch]
Detects waste toner full.
Empty
Full
CN14
7
PCU
1TUD_CL
Transfer belt separation CL
detection
detection
Detects the transfer belt
separation CL.
separation CL.
Separated
Contact
CN16
23
PCU
1TUD_K
Transfer belt separation BK
detection
detection
Detects the transfer belt
separation BK.
separation BK.
Separated
Contact
CN16
19
PCU
1TURC
Primary transfer separation
clutch [Electromagnetic clutch]
clutch [Electromagnetic clutch]
Controls the primary transfer
separation mode.
separation mode.
Separated
Contact
CN11
16
PCU
1TURC_R
Primary transfer separation
reverse clutch
[Electromagnetic clutch]
reverse clutch
[Electromagnetic clutch]
Controls the primary transfer
separation mode.
separation mode.
Separated
Contact
CN11
30
PCU
ADUGS
ADU gate solenoid
[Electromagnetic solenoid]
[Electromagnetic solenoid]
Controls the ADU gate.
ON
OFF
CN7
24
PCU
ADUM_L
ADU motor lower
[Stepping motor]
[Stepping motor]
Drives the right door section.
–
–
CN8
3,5,7,
9
9
PCU
Drives with the
4-phase signal.
4-phase signal.
ADUM_L_
C
C
ADU motor lower current
select
select
Selects the ADU motor lower
current.
current.
Large
current
Small
current
CN8
1
PCU
ADUM_U_
C
C
ADM upper motor current
select
select
Selects the ADM upper motor
current.
current.
Large
current
Small
current
CN12
14
PCU
APPD1
ADU transport path detection 1
[Transmission type]
[Transmission type]
Detects paper pass in the ADU
upper stream section.
upper stream section.
Pass
–
CN7
4
PCU
APPD2
ADU transport path detection 2
[Transmission type]
[Transmission type]
Detects paper pass in the ADU
medium stream section.
medium stream section.
Pass
–
CN7
18
PCU
BTM_CNT
Belt motor current select
Selects the belt motor current.
Large
current
Small
current
CN12
4
PCU
CAFM_LD
Cartridge fan lock detection
Detects the cartridge lock.
–
Lock
detection
CN16
27
PCU
CAFM_V#
Cartridge fan
Cools the cartridge.
OFF
ON
CN16
26
PCU
CCFM_LD
Process suction fan motor lock
detection
detection
Detects the process suction fan
motor lock.
motor lock.
–
Lock
detection
CN20
7
PCU
CCFM_V
Process suction fan motor
Cools the process.
Stop
Drive
CN20
4
PCU
CCFT
LCD backlight
[CCFT cool cathode ray tube]
[CCFT cool cathode ray tube]
LCD backlight
ON
OFF
CN13
6
SCU
CL
Scanner lamp
Radiates lights to the document
for the CCD to scan the
document images.
for the CCD to scan the
document images.
ON
OFF
CN5
3
SCU
CLUD1
Tray 1 upper limit detection
(Lift HP detection)
[Transmission type]
(Lift HP detection)
[Transmission type]
Detects the tray 1 upper limit.
–
Upper
limit
CN9
3
PCU
CLUD2
Tray 2 upper limit detection
(Lift HP detection)
[Transmission type]
(Lift HP detection)
[Transmission type]
Detects the tray 2 upper limit.
–
Upper
limit
CN9
4
PCU
CLUM1
Paper tray lift-up motor (Paper
feed tray 1) [DC brush motor]
feed tray 1) [DC brush motor]
Drives the paper tray lift plate.
Stop
Drive
CN5
8
PCU
CLUM2
Paper tray lift-up motor (Paper
feed tray 2) [DC brush motor]
feed tray 2) [DC brush motor]
Drives the paper tray lift plate.
Stop
Drive
CN5
10
PCU
CPED1
Tray 1 paper empty detection
[Transmission type]
[Transmission type]
Detects paper empty in the tray
1.
1.
YES
NO
CN9
9
PCU
CPED2
Tray 2 paper empty detection
[Transmission type]
[Transmission type]
Detects paper empty in the tray
2.
2.
YES
NO
CN9
10
PCU
CPFC
Tray vertical transport clutch
[Electromagnetic clutch]
[Electromagnetic clutch]
Controls ON/OFF of the paper
transport roller in the paper feed
tray section.
transport roller in the paper feed
tray section.
ON
OFF
CN5
1
PCU
CPFD1
Tray 1 transport detection
(Paper entry detection)
[Transmission type]
(Paper entry detection)
[Transmission type]
Detects paper pass in the tray 1.
Pass
–
CN9
15
PCU
CPFD2
Tray 2 transport detection
(Paper entry detection)
[Transmission type]
(Paper entry detection)
[Transmission type]
Detects paper pass in the tray 2.
Pass
–
CN9
16
PCU
CPFM_D
Paper feed motor
[Brushless motor]
[Brushless motor]
Drives the paper feed section.
Drive
Stop
CN6
24
PCU
CPFM_LD
Paper feed motor lock
detection
detection
Detects the paper feed motor
lock.
lock.
–
Lock
detection
CN6
22
PCU
CPUC1
Paper feed clutch (Paper feed
tray 1) [Electromagnetic clutch]
tray 1) [Electromagnetic clutch]
Controls ON/OFF of the roller in
the paper feed tray section.
the paper feed tray section.
ON
OFF
CN5
3
PCU
CPUC2
Paper feed clutch (Paper feed
tray 2) [Electromagnetic clutch]
tray 2) [Electromagnetic clutch]
Controls ON/OFF of the roller in
the paper feed tray section.
the paper feed tray section.
ON
OFF
CN5
5
PCU
CSPD1
Tray 1 remaining paper
quantity detection
quantity detection
Detects the remaining paper
quantity in the tray 1.
quantity in the tray 1.
Remaining
quantity
–
CN9
21
PCU
Detects during
lifting up.
lifting up.
CSPD2
Tray 2 remaining paper
quantity detection
quantity detection
Detects the remaining paper
quantity in the tray 2.
quantity in the tray 2.
Remaining
quantity
–
CN9
22
PCU
Detects during
lifting up.
lifting up.
CSS11
Tray 1 paper size detection 1
Tray 1 paper size detection 1
YES
NO
CN9
27
PCU
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