Sharp AR-M550 (serv.man4) Service Manual ▷ View online
AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 18
3) Remove the E-ring, slide the winding pulley, and loosen the wire.
4) Release the pawl, and remove the wire.
5) Remove the plastic E-ring.
6) Remove the wire.
∗
Pass the nylon clamp.
∗
Attach so that the red wire is on the outside.
∗
Turn it counterclockwise and fit with the T-shape pin position and
insert.
insert.
b-1. Paper remaining quantity sensor PWB
1) Remove the paper feed tray units 1 and 2. (See “a. Paper feed tray
units 1 and 2” in this section)
2) Disconnect the connector, and remove the paper remaining quan-
tity sensor PWB.
b-2. Paper remaining quantity detector
1) Remove the paper feed tray units 1 and 2. (See “a. Paper feed tray
units 1 and 2” in this section)
2) Disconnect the connector, and remove the paper feed tray lock
arm unit.
3) Disconnect the connector, and remove the paper remaining quan-
tity detector.
: Feb. 6 2004
1
AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 19
b-3. Paper feed trays 1 and 2 sensor
1) Remove the rear cabinet.
2) Disconnect the connector, and remove the paper feed trays 1 and
2 sensor.
b-4. Dry heater
1) Remove the rear cabinet. (See “b-3. Paper feed trays 1 and 2 sen-
sor” in this section)
2) Disconnect the connector from the dehumidifier heater relay PWB.
4) Remove the dry heater unit.
4) Remove the dry heater.
3) Remove the paper feed tray unit, and remove the dry heater band.
1
1
1
AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 20
(Paper feed trays 3 and 4)
A. Major parts and signal functions
M1SS PWB
M2SS PWB
14
13
12
11
10
1
9
8
7
6
5
4
3
2
24
23
22
21
20
19
18
17
16
15
25
26
27
28
29
30
26
27
28
29
30
32
31
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
12
11
10
12
11
10
13
14
15
16
17
18
14
15
16
17
18
13
14
15
16
17
18
14
15
16
17
18
5
4
3
2
1
6
5
4
3
2
1
6
33
34
34
3
2
1
3
2
1
PCU PWB
GND2
M1SS1
M1SS2
M1SS3
M1SS4
GND2
M1SPD
M1SS1
M1SS2
M1SS3
M1SS4
GND2
M1SPD
GND2
M2SS1
M2SS2
M2SS3
M2SS4
GND2
M2SPD
M2SS1
M2SS2
M2SS3
M2SS4
GND2
M2SPD
(NC)
(NC)
SMP-18V-NC/SMR-18V-N
+5V2
+5V2
S6B-PH-K-S
S6B-PH-K-S
PHR-3
PHR-3
M2SPD
GND2
M1SS1
M1SS2
M1SS3
M1SS4
M1SS2
M1SS3
M1SS4
M2SS1
M2SS2
M2SS3
M2SS4
M2SS2
M2SS3
M2SS4
M1SPD
(NC)
GND2
GND2
GND2
(NC)
GND2
GND2
+5V2
+5V2
CN-15
GND2
GND2
/GBPWM
/MHVREM
MHV-T
/THV+PWM
GND2
/GBPWM
/MHVREM
MHV-T
/THV+PWM
/CHV-PWM
/CHV-REM
/CHVACPWM
/CHVACREM
/DVPWM
/DVREM
HVREM
/CHV-REM
/CHVACPWM
/CHVACREM
/DVPWM
/DVREM
HVREM
(NC)
DSW-F
+24V1
(NC)
(NC)
THV+REM
M2SS1
M2SPD
GND2
M2SS4
M2SS3
M2SS2
M1SPD
GND2
M1SS4
M1SS3
M1SS2
M1SS1
+5V2
+5V2
+5V2
GND2
GND2
GND2
B34B-PHDSS-B
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
11
10
11
10
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
11
10
11
10
3
1
1
2
2
2
3
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
1
9
8
7
6
5
4
3
2
25
26
27
28
29
30
31
32
26
27
28
29
30
31
32
3
2
1
3
2
1
3
2
1
2
1
3
2
1
3
2
1
3
2
1
2
1
1
2
2
2
1
1
2
1
2
1
1
2
1
1
3
2
1
2
2
1
2
2
GND2
GND2
GND2
+24V1
PHR-3
PHR-3
GND2
GND2
GND2
+24V1
SMR-11V-N/SMP-11V-NC
/M1PUS
M1PED
M1LUD
M1PFD
/M1PUS
M1PED
M1LUD
M1PFD
GND2
GND2
GND2
+24V1
PHR-3
PHR-3
GND2
GND2
GND2
+24V1
SMR-11V-N/SMP-11V-NC
/M2PUS
M2PED
M2LUD
M2PFD
/M2PUS
M2PED
M2LUD
M2PFD
+5V2
+5V2
+5V2
+5V2
+5V2
+5V2
+5V2
+5V2
CN-16
PHR-2
GND2
PHNR-02-H+BU02P-TR-P-H
+24V1
/M1PFC
/M1PFC
PHNR-02-H+BU02P-TR-P-H
+24V1
/DSKPFC1
/DSKPFC1
SMR-03V-N/SMP-03V-NC
M1PWS
GND2
M1PWS
GND2
+24V1
+24V1
/M1PUS
/M2PUS
GND2
GND2
M1PED
M2PED
+5V2
+5V2
GND2
GND2
M1LUD
M2LUD
+5V2
+5V2
+5V-M1PFD
+5V-M2PFD
GND2
GND2
M1PFD
M2PFD
+24V1
+24V1
/M1PFC
/DSKPFC1
M1LUM
Vref
GND2
GND2
(NC)
M1PWS
+24V1
/M1PUS
/M2PUS
GND2
GND2
M1PED
M2PED
+5V2
+5V2
GND2
GND2
M1LUD
M2LUD
+5V2
+5V2
+5V-M1PFD
+5V-M2PFD
GND2
GND2
M1PFD
M2PFD
+24V1
+24V1
/M1PFC
/DSKPFC1
M1LUM
Vref
GND2
GND2
(NC)
M1PWS
B32B-PHDSS-B
+5V-M1PFD
+5V-M1PFD
+5V-M2PFD
+5V-M2PFD
M1LUM
Vref
Vref
SMP-02V-NC/SMR-02V-N
SMP-02V-NC/SMR-02V-N
PHR-3(RED)
PHR-3(RED)
Soldering
M1PED
M1LUD
M1PFD
M1PUS
M1LUM
M1PWS
MM
M1SPD
DSKPFC1
M1PFC
14
13
12
11
10
1
9
8
7
6
5
4
3
2
24
23
22
21
20
19
18
17
16
15
25
26
27
28
29
30
26
27
28
29
30
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
10
10
1
2
2
2
1
1
2
1
CN-17
M2LUM
GND2
+24V1
/T1PFC
+24V1
+24V1
/M2PFC
+24V1
/DSKPFC2
GND2
GND2
TXD-FIN
RXD-FIN
RES-FIN
/DTR-FIN
/DSR-FIN
GND2
+5V2
/MM
MMCLK
MM-T
GND2
TANSET
+5V2
GND2
GND2
DSW-DSK
+5V2
(NC)
TSW-LED
TSW
(NC)
B30B-PHDSS-B
GND2
TXD-FIN
RXD-FIN
/DTR-FIN
/DSR-FIN
RES-FIN
TXD-FIN
RXD-FIN
/DTR-FIN
/DSR-FIN
RES-FIN
GND2
+24V1
/M2PFC
+24V1
/M2PFC
M2LUM
SMR-10V-N/SMP-10V-NC
PHR-2
GND2
PHNR-02-H+BU02P-TR-P-H
+24V1
/M2PFC
/M2PFC
M2LUM
M2LUM
M2PFC
5
4
3
2
1
S5B-PH-K-S
GND2
+5V2
/MM
MMCLK
MM-T
+5V2
/MM
MMCLK
MM-T
M2PED
M2LUD
M2PFD
M2PUS
M2SPD
7
8
9
7
8
9
11
12
12
1
1
1
2
2
10
5
4
4
3
3
6
6
10
5
11
7
8
9
9
8
7
10
11
11
AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 21
Code
Signal
name
Name
Function/Operation
Type
Model
Note
M1LUD
M1LUD
Paper tray upper limit detector
(Paper feed tray 3)
(Paper feed tray 3)
Paper tray upper limit detection
(Paper feed tray 3)
(Paper feed tray 3)
Transmission
type
type
Paper feed tray system
sensor
sensor
M1PED
M1PED
Paper empty detector (Paper
feed tray 3)
feed tray 3)
Paper empty detection (Paper
feed tray 3)
feed tray 3)
Transmission
type
type
Paper feed tray system
sensor
sensor
M1PFD
M1PFD
Paper pass detector (Multi paper
feed tray 3)
feed tray 3)
Paper feed tray 3 paper pass
detection
detection
Transmission
type
type
Paper transport system
sensor
sensor
M1PWS
M1PWS
Paper feed tray paper width
detector (Paper feed tray 3)
detector (Paper feed tray 3)
Multi paper feed tray paper width
detection (Paper feed tray 3)
detection (Paper feed tray 3)
Slide resistor
Analog detector
M1SPD
M1SPD
Paper remaining quantity
detector (Paper feed tray 3)
detector (Paper feed tray 3)
Paper remaining quantity
detection (Multi paper feed tray 3)
detection (Multi paper feed tray 3)
Transmission
type
type
Paper feed tray remaining
quantity sensor
quantity sensor
M2LUD
M2LUD
Paper tray upper limit detector
(Paper feed tray 4)
(Paper feed tray 4)
Paper tray upper limit detection
(Paper feed tray 4)
(Paper feed tray 4)
Transmission
type
type
Paper feed tray system
sensor
sensor
M2PED
M2PED
Paper empty detector (Paper
feed tray 4)
feed tray 4)
Paper empty detection (Paper
feed tray 4)
feed tray 4)
Transmission
type
type
Paper feed tray system
sensor
sensor
M2PFD
M2PFD
Paper pass detector (Multi paper
feed tray 4)
feed tray 4)
Paper feed tray 4 paper pass
detection
detection
Transmission
type
type
Paper transport system
sensor
sensor
M2SPD
M2SPD
Paper remaining quantity
detector (Paper feed tray 4)
detector (Paper feed tray 4)
Paper remaining quantity
detection (Paper feed tray 4)
detection (Paper feed tray 4)
Transmission
type
type
Paper feed tray remaining
quantity sensor
quantity sensor
M1PFC
M1PFC
Paper feed clutch (Paper feed
tray 3)
tray 3)
Paper freed tray 3 section roller
ON/OFF control
ON/OFF control
Electromagnetic
clutch
clutch
M2PFC
M2PFC
Paper feed clutch (Paper feed
tray 4)
tray 4)
Paper freed tray 4 section roller
ON/OFF control
ON/OFF control
Electromagnetic
clutch
clutch
DSKPFC1
DSKPFC1 Paper feed tray 3/4 paper
transport clutch 1
Paper feed tray 3/4 section paper
transport roller ON/OFF control
transport roller ON/OFF control
Electromagnetic
clutch
clutch
M1PUS
M1PUS
Paper pickup solenoid (Paper
feed tray 3)
feed tray 3)
Presses the paper pickup roller
onto paper.
onto paper.
Electromagnetic
solenoid
solenoid
M2PUS
M2PUS
Paper pickup solenoid (Paper
feed tray 4)
feed tray 4)
Presses the paper pickup roller
onto paper.
onto paper.
Electromagnetic
solenoid
solenoid
MM
MM
Main motor
Drives the paper feed trays 1, 2, 3,
and 4, and the manual paper feed
section.
and 4, and the manual paper feed
section.
DC brushless
motor
motor
Paper pass
M2SS PWB
Paper size detection PWB
Paper size detection
No.
Name
Function
1
Paper size detection plate
Changes its own position in conjunction with the paper size (length) adjustment lever. By this
operation, the paper size detector detects the paper size.
operation, the paper size detector detects the paper size.
2
Paper widht guide R
Suppresses skew to the minimum by restricting the paper width.
3
Paper size detection rotation plate
Changes its own position in conjunction with the paper size (length) adjustment lever. By this
operation, the paper size detection plate position is changed and the paper size detector detects
the paper size.
operation, the paper size detection plate position is changed and the paper size detector detects
the paper size.
4
Paper size (length) guide plate
Regulates the paper size (length).
5
Paper widht guide L
By restricting the paper width, skew is restricted to the minimum.
6
Lift plate
Lifts the paper to maintain the paper feed position at the fixed position.
7
Paper pickup roller
Sends paper to the paper feed roller.
8
Separation roller
Separate paper to prevent against double feed
9
Paper feed roller
Feeds paper to the paper transport section.
10
Transport roller 8 (Paper feed tray 3)
Transport roller 5 (Paper feed tray 4)
Transport roller 5 (Paper feed tray 4)
Transports paper from the paper feed tray 3 to the transport rollers 9 and 10.
Transports paper from the paper feed tray 4 to the transport rollers 6 and 7.
Transports paper from the paper feed tray 4 to the transport rollers 6 and 7.
11
Transport roller 10 (Paper feed tray 3)
Transport roller 7 (Paper feed tray 4)
Transport roller 7 (Paper feed tray 4)
Transports paper from the transport rollers 7 and 8 to the transport roller 11.
Transports paper from the transport roller 5 to the transport roller 10.
Transports paper from the transport roller 5 to the transport roller 10.
12
Torque limiter
Provides a certain level of resistance power for the paper separation roller rotation to prevent
against double feed.
against double feed.
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