Read Sharp AR-M351U / AR-M451U (serv.man21) Service Manual online
AR-M351U/M451U, AR-M355U/M455U ELECTRICAL SECTION 13 - 20
MCLUD
MP tray upper limit sensor
signal
signal
MP tray upper limit
detection
detection
—
Upper limit
10
9
PCU
MCM_T
Multi-purpose paper feed
tray transport motor lock
signal
tray transport motor lock
signal
Multi-purpose paper feed
tray transport motor lock
detection
tray transport motor lock
detection
Rotation
Stop/Lock
10
20
PCU
MCMCLK
Multi-purpose paper feed
tray transport motor clock
signal
tray transport motor clock
signal
Multi-purpose paper feed
tray transport motor
rotating speed control
tray transport motor
rotating speed control
—
—
10
21
PCU
MCPED
MP tray paper empty
sensor signal
sensor signal
MP tray paper empty
detection
detection
Paper present
—
10
8
PCU
MCPWS
MP tray width sensor
detection
detection
MP tray paper width
detection
detection
—
—
10
10
PCU
MCSET
10
16
PCU
MCSPD
MP tray paper remaining
quantity sensor signal
quantity sensor signal
MP tray paper remaining
quantity detection
quantity detection
When pressed
—
10
15
PCU
MCSS1
MP tray rear edge sensor
1 signal
1 signal
MP tray rear edge size
detection
detection
When pressed
—
10
11
PCU
MCSS2
MP tray rear edge sensor
2 signal
2 signal
MP tray rear edge size
detection
detection
When pressed
—
10
12
PCU
MCSS3
MP tray rear edge sensor
3 signal
3 signal
MP tray rear edge size
detection
detection
When pressed
—
10
13
PCU
MCSS4
MP tray rear edge sensor
4 signal
4 signal
MP tray rear edge size
detection
detection
When pressed
—
10
14
PCU
MHV-T
Main charger trouble
detection signal
detection signal
Main charger trouble
detection
detection
Trouble/
Without MHV
Normal
15
13
PCU
MM-T
Main motor lock detection
signal
signal
Main motor lock detection
Rotation
Stop/Lock
9
8
PCU
MPED
ADU manual feed paper
sensor signal
sensor signal
Manual feed tray paper
empty detection
empty detection
Paper present
—
12
19
PCU
MPFSET
Manual feed unit detection
signal
signal
Manual feed unit detection
Provided
Not provided
12
23
PCU
MPLD1
Manual feed paper length
sensor signal
sensor signal
Manual paper feed tray
paper length detection
paper length detection
—
Paper
present
12
18
PCU
MPLS1
ADU tray pull-out sensor
signal
signal
Manual feed extension
tray pull-out detection
tray pull-out detection
—
Pull out
12
28
PCU
MPLS2
ADU tray storing sensor
signal
signal
Manual feed extension
tray storing detection
tray storing detection
—
Storing
12
27
PCU
MPWS
ADU manual feed paper
width detection signal
width detection signal
Manual feed paper width
detection
detection
—
—
12
20
PCU
PAGE
Page signal
Print timing control to the
controller (output for every
page)
controller (output for every
page)
—
—
2
13
PCU
PED
Paper tray empty sensor
signal
signal
Paper empty detection
—
Paper empty
13
3
PCU
PMCLK
Polygon mirror motor drive
clock signal
clock signal
Polygon mirror motor drive
clock
clock
—
—
16
27
PCU
POD1
Paper exit detection 1
signal
signal
Detection of paper exit
from the fusing section
from the fusing section
Paper pass
—
4
4
PCU
POD2
Paper exit detection 2
signal
signal
Paper exit paper pass
detection
detection
Paper pass
—
4
10
PCU
POD3
Paper exit detection 3
signal
signal
Detection of paper exit to
the upper section paper
exit tray (Full detection)
the upper section paper
exit tray (Full detection)
Paper pass
(Full detection)
—
4
16
PCU
RES_DSK
Desk reset signal
Desk reset
Operation
enable
Reset
11
17
PCU
RES_FIN1
Finisher reset signal
Finisher reset
Operation
enable
Reset
11
5
PCU
RES_FIN2
Finisher reset signal
Finisher reset
Operation
enable
Reset
11
11
PCU
RES_PCU
PCU reset signal
The controller resets the
PCU.
PCU.
Operation
enable
Reset
2
17
PCU
RTH1
Fusing roller temperature
detection signal
detection signal
Fusing roller temperature
detection (Center section)
detection (Center section)
—
—
14
7
PCU
RTH2
Fusing roller temperature
detection signal
detection signal
Fusing roller temperature
detection (Edge section)
detection (Edge section)
—
—
14
9
PCU
Signal name
Name
Function/Operation
Connector level
Connector
No.
Pin
NO.
PWB
name
Remark
L
H
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