Sharp AR-D28 (serv.man2) Service Manual ▷ View online
AR-D28/D27/MU2
DISASSEMBLY AND ASSEMBLY, MAINTENANCE
7 – 15
d-1. Rear edge size PWB
d-2. Remaining paper quantity sensor
d-3. Control PWBs
1) Remove the rear cabinet.
2) Remove the control PWB.
2)
1)
1)
7)
6)
a
a
a
7)
6)
AR-D28/D27/MU2
DISASSEMBLY AND ASSEMBLY, MAINTENANCE
7 – 16
(2) AR-MU2
A. MAJOR PARTS AND SIGNAL FUNCTIONS
Code
Name
Function
Remark
MCDRS
MP door open / close sensor
MP left door open / close detection
Control PWB
Control PWB
Communication with the machine,
machine operation control
machine operation control
MCSPD
MP tray remaining paper quantity sensor
MP tray remaining paper quantity detection
MCLUD
MP tray upper limit sensor
MP tray upper limit detection
MDSS1
MP tray rear edge sensor 1
MP tray rear edge size detection
In MP tray rear edge size PWB
MCSS2
MP tray rear edge sensor 2
MP tray rear edge size detection
In MP tray rear edge size PWB
MCSS3
MP tray rear edge sensor 3
MP tray rear edge size detection
In MP tray rear edge size PWB
MCSS4
MP tray rear edge sensor 4
MP tray rear edge size detection
In MP tray rear edge size PWB
MCPED
MP tray paper empty sensor
MP tray paper empty detection
MCPPD
MP transport sensor
Detection of paper on the path
MCPWS
MP tray width sensor
MP tray paper width detection
Slide volume
MP tray rear
edge size PWB
edge size PWB
MP tray rear edge size PWB
MP tray rear edge size detection
MCFCL
Multi-purpose tray transport clutch
Multi-purpose tray transport clutch
MCLUM
Multi-purpose tray lift-up motor
Multi-purpose tray lift-up
MCPCL
Multi-purpose paper feed clutch
Clutch for paper feed from Multi-purpose tray
MCM
Multi-purpose tray transport motor
Multi-purpose tray paper transport
MCM
MCM
MCM
MCDRS
MCSPD
MCSPD
MCSPD
MCLUD
MCPED
MCSS2
MCSS4
MCSS1
MCSS3
MCSS3
MCSS3
MCPPD
MCPWS
MCPWS
MCPWS
MCLUM
MCLUM
MCLUM
MCFCL
MCFCL
MCFCL
MCPCL
MCPCL
MCPCL
MPT LD PWB
MPT PWB
12
4
7
11
5
10
3
6
1
9
2
8
+5V
MCPWS
+5V
MCPPD
+5V
CN-E
+5V
VAREF
MCPED
N.C.
MCPWS2
MCLUD
14
13
+5V
MCDRS
MCSPD
PHDR-14VS-1
3
1
2
2
5
MCSS2
8
MCSS1
6
4
7
9
10
GND2
GND2
GND2
CN-F
MCSS3
MCSS4
MCSS4
11
12
12
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
PHDR-12VS-1
24V
1
MCLUM/ 2
PHR-2
MCPCL/
+24V
MCFCL/
+24V
3
1
MCM/
GND1
+24V
MCM-T
2
5
4
MCMCLK/
6
7
8
9
7
8
9
PHR-9
1
1
2
2
1
1
2
2
SMR-02V-B
SMR-02V-N
SMP-02V-NC
SMP-02V-BC
SRA-21T-4
MCLUM/
24V
MCSS2
MCSS3
MCSS4
MCSS3
MCSS4
N.C.
MCSS1
GND2
PHR-6
PHR-2
5
2
6
4
3
1
MCMCLK/
MCM/
4
GND1
3
1
MCM-T
5
+24V
2
PHR-5
13
14
17
18
15
16
18
15
13
16
17
14
SMP-03V-BC
SMR-03V-B
GND2
1
MCLUD
MCPPD
2
2
+5V
3
+5V
3
GND2
1
1
2
3
2
3
GND2
MCSPD
+5V
2
1
CN-D
CN-A
8
4
5
8
6
9
6
9
7
5
4
7
SMR-18V-B
SMP-18V-BC
3
2
1
2
1
2
3
1
GND2
3
GND2
3
MCPED
+5V
1
MCDRS
1
2
+5V
2
3T
MCPWS2
MCPWS
VAREF
2T
1T
1T
AR-D28/D27/MU2
DISASSEMBLY AND ASSEMBLY, MAINTENANCE
7 – 17
B. MAINTENANCE LIST
(1) MAINTENANCE LIST
*
1: Replacement reference: Use the counter value of each paper feed port as the replacement reference.
Paper feed section pickup roller, paper feed roller: 100K or 1 year
(2) MAINTENANCE AND PARTS REPLACEMENT
(List of Replacement Parts)
u
Check (Clean, replace, or adjust as necessary.)
F
Clean
b
Replace
v
Adjust
,
Lubricate
k
Move position
Unit name
No.
Part name
When
calling
100K
200K
300K
400K
Remark
Paper feed separation section
1
Paper feed rollers
u
u
u
u
u
*
1
Transport section
2
Transport rollers
u
F
F
F
F
Drive section
3
Gears
u
,
,
,
,
(Specified position)
4
Belts
u
u
u
u
u
Other
5
Sensors
u
u
u
u
u
4
5
5
5
1
3
5
1
5
2
4
No.
Unit
Parts
a
Paper feed unit
1
Pick up roller
b
2
Paper feed roller
b
3
Separate roller
b
4
Torque limiter
5
Belts
u
6
Upper limit sensor
u
7
Paper empty sensor
u
8
Paper transport sensor
u
9
Side door open/close sensor
u
10 Transfer rollers
u
b
Multi-purpose
drive unit
drive unit
1
Gears
u
,
c
Other
1
Rear edge size PWB
2
Remaining paper quantity sensor
u
b-1
b
a-1
a-8
c-1
a-2
a-7
a-6
a-10
a-9
a-4
a-5
c-2
a
a-10
a-5
a-3
AR-D28/D27/MU2
DISASSEMBLY AND ASSEMBLY, MAINTENANCE
7 – 18
a. Paper feed unit
1) Pull out the multi-purpose tray.
First, pull out the right side of the tray, and then pull out the left side.
2) Remove the paper feed unit.
a-1. Pick up roller
a-2. Paper feed roller
a-3. Separate roller
a-4. Torque limiter
1) Remove the stopper, and pull out the multi-purpose tray.
2) Remove the paper guide.
3) Disengage the roller hook, and remove the roller.
*
When installing the roller, check to ensure that the hook is securely
engaged in the groove.
4) After removing the roller, remove the torque limiter.
*
When installing the torque limiter, check to ensure that the pin is fully
inserted into the torque limiter groove.
a-5. Belts
1) Remove the paper feed unit.
2) Remove the pickup roller and paper feed roller.
1)
2)
1)
3)
1)
2)
2)
a
3)
b
Click on the first or last page to see other AR-D28 (serv.man2) service manuals if exist.