Sharp MX-LCX3N (serv.man3) Service Manual ▷ View online
MX-LCX3N SPECIFICATIONS 2 – 1
MX-LCX3N
Service Manual
[2] SPECIFICATIONS
Model
Large capacity tray
Transport reference
Center reference
Heat reserving heater
Domestic: Heater kit support
Overseas: Service parts support
Overseas: Service parts support
Paper capacity
Domestic
Normal paper(64g/m
2
,17 lbs bond)
3500 sheets
Overseas
Normal paper(80g/m
2
,21 lbs bond)
3000 sheets
Paper size/type/weight
Refer to Table 1
Paper size detection
Not provided (Manually setting from the control panel of the main unit)
Paper type setting
Refer to Table 2
Paper size change system
Changeover by user
Yes (Changeover by manager is allowed)
Changeover by service man
(Adjustment of guide and entry of size)
(Adjustment of guide and entry of size)
No
Factory setting of paper size
Domestic
A3
Overseas, Inch series
11x17
Overseas, AB series
A3
Remaining
paper detection
paper detection
Paper empty and 6 steps
(100% ,83.3% ,66.7% ,50% ,33.3% ,16.7% ,Paper empty)
(100% ,83.3% ,66.7% ,50% ,33.3% ,16.7% ,Paper empty)
Tray lift time
Up
max. 30 sec.
Down
max. 15sec.
Troubleshooting of paper jam
Can be corrected without separating the unit.
Reliability
MCBJ:Conforms to the main unit
MCBF:Conforms to the main unit
MCBF:Conforms to the main unit
Life
Conforms to the main unit
Power source
Supplied from the main unit
Power consumption
Normal operation:50.4W Lift up:40.8W
Dimensions(WxDxH)
670x570x525mm, 26 3/8 x 22 7/16 x 20 21/32 inch
Occupying area(WxD)
670x570mm, 26 3/8 x 22 7/16 inch
* The rear cabin motor restrictor (10mm) is not included.
* The rear cabin motor restrictor (10mm) is not included.
Weight
Approx. 50kg, 110.1 lbs
Installation/Maintenance
Implemented by service man
Maintenance parts
Paper feed roller
Optional detection
Automatic detection
Bundled item
Parts for installation
Table 1:Paper size, type, weight
AB Series
Inch
Paper size
A3W
Yes
Yes
A3
Yes
Yes
B4
Yes
Yes
A4
Yes
Yes
A4R
Yes
Yes
B5
Yes
Yes
B5R
No
No
A5R
No
No
12x18
Yes
Yes
11x17
Yes
Yes
8.5x14
Yes
Yes
8.5x13
Yes
Yes
8.5x11
Yes
Yes
8.5x11R
Yes
Yes
7.25x10.5R
No
No
5.5x8.5R
No
No
8K *
No
No
16K *
No
No
16KR
No
No
Postcard
No
No
Envelope
No
No
Special
No
No
Kind/weight
of
applicable
paper
of
applicable
paper
Thin paper
55-59g/m
2
15-16- lbs bond
No
Normal
paper
paper
60-105g/m
2
16-28 lbs bond
Yes
Cardboard
1(including
gloss paper)
1(including
gloss paper)
106-209g/m
2
28+-56- lbs bond
Yes
Cardboard 2
210-256g/m
2
56-68 lbs bond
No
Envelope
75-90g/m
2
20-24 lbs bond
No
OHP paper
No
Label paper
No
Tab paper
No
* : Available for products for China only.
Table2:Paper type setting
Paper type
Normal paper
Yes
Printed paper
Yes
Recycled paper
Yes
Letter head
Yes
Perforated paper
Yes
Color paper
Yes
Cardboard 1
Yes
Cardboard 2
No
Thin paper
No
Label paper
No
OHP
No
Tab paper
No
Envelope
No
Use type 1 to 7
Yes
MX-LCX3N EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 – 1
MX-LCX3N
Service Manual
[4] EXTERNAL VIEWS AND INTERNAL STRUCTURES
1. Motor, clutch, solenoid
No.
Parts
Code
Signal name
Name
Type
Function/Operation
Active condition
1
LPFM
LPFM
Transport motor
Brushless motor
Drives the paper feed, and the paper
transport section.
transport section.
CN-G
5pin
5pin
→ Motor rotation clock
4pin
→ Sync signal: Normal HIGH
3pin
→ Enable signal: LOW when rotating
2
LLM
LLM
Lift motor
Brush motor
Lifts or lowers the paper feed table.
CN-B
Lifting: 10pin "24V", 15pin "L"
Lowering: 10pin "L", 15pin "24V"
Lifting: 10pin "24V", 15pin "L"
Lowering: 10pin "L", 15pin "24V"
3
LPFS
LPFS
Paper feed solenoid
Presses the paper pickup roller onto paper.
CN-E 8pin
ON: "L"
OFF: "24V"
ON: "L"
OFF: "24V"
4
LTLS
LTLS
Tray lock solenoid
Controls ON/OFF of the tray lock.
CN-D
Lock: "L" ("24V" after 0.5sec)
Release: "L" ("24V" after 0.5sec)
Lock: "L" ("24V" after 0.5sec)
Release: "L" ("24V" after 0.5sec)
5
LTRC
LTRC
Transport clutch
Controls ON/OFF of the transport roller.
CN-F 15pin
ON: "L"
OFF: "24V"
ON: "L"
OFF: "24V"
6
LPFC
LPFC
Paper feed clutch
Controls ON/OFF of the paper feed roller.
CN-F 11pin
ON: "L"
OFF: "24V"
ON: "L"
OFF: "24V"
7
LFAN
LFAN
Separation assist
fan
fan
Brushless motor
Assists feeding of paper.
CN-D 15, 16pin
ON: "L"
OFF: "5V"
ON: "L"
OFF: "5V"
MX-LCX3N EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 – 2
2. PWB, sensor, switch, heater
No.
Parts
Code
Signal name
Name
Type
Function/Operation
Active condition
1
LPUD
LPUD
LCC paper front surface
sensor
sensor
Detects paper front surface position
CN-C 8pin
Paper detected: "L"
Paper not detected: "H"
Paper detected: "L"
Paper not detected: "H"
2
LUD
LUD
Upper limit sensor
Detects the paper upper limit position.
CN-E 5pin
Upper limit: "H"
Other than Upper limit: "L"
Upper limit: "H"
Other than Upper limit: "L"
3
LPFD
LPFD
Transport sensor
Detects paper transport.
CN-E 11pin
Paper detected: "L"
Paper not detected: "H"
Paper detected: "L"
Paper not detected: "H"
4
LTOD
LTOD
The main unit connection
sensor
sensor
Detects connection to the main unit.
CN-F 19pin
Connected: "L"
Not connected: "H"
Connected: "L"
Not connected: "H"
5
LDSW
LDSW
Upper open/close switch
Detects open/close of the upper door.
CN-F 4pin 6pin
Open: "L"
Close: "24V"
Open: "L"
Close: "24V"
6
LLSW
LLSW
Upper limit switch
Protects the paper feed unit from breakage
due to lifting the tray too much.
due to lifting the tray too much.
CN-F 7pin
Normal: "24V"
Detection: "L"
Normal: "24V"
Detection: "L"
7
LPED
LPED
Paper presence/empty
sensor
sensor
Detects paper presence/empty on the paper
tray.
tray.
CN-E 2pin
Paper present: "L"
Paper empty: "H"
Paper present: "L"
Paper empty: "H"
8
A3-LCC PWB
—
A3-LCC PWB unit
Controls and drives the LCC.
9
LCSW
LCSW
Cassette detection switch
The tray insertion is detected.
CN-B 7pin
Cassette insertion: "24V"
Cassette puling out: "L"
Cassette insertion: "24V"
Cassette puling out: "L"
10
LRE
LRE
Lift motor encoder
The lift motor rotation is detected.
CN-C 4pin
Pulse
Pulse
11
LWRSW
LWRSW
LCC reverse-winding
detection switch
detection switch
Detects lift motor reverse-winding
CN-B 14pin
Normal: "24V"
Detection: "L"
Normal: "24V"
Detection: "L"
12
LTLD
LTLD
Tray lock sensor
Detects the tray lock
CN-C 7pin
Lock: "H"
Release: "L"
Lock: "H"
Release: "L"
13
LDD
LDD
Lower limit sensor
The lower limit of the tray is detected.
CN-C 3pin
Lower limit: "H"
Other than Lower limit: "L"
Lower limit: "H"
Other than Lower limit: "L"
14
DOWN SW PWB
—
Lowering SW PWB unit
Shifts the tray to the paper supply position.
15
LTLLED
LTLLED
Tray LED
The tray state is displayed with LED.
1
2
3
4
5
6
7
8
9
10
11
12
13
15
14
MX-LCX3N OPERATIONAL DESCRIPTION 5 – 1
MX-LCX3N
Service Manual
[5] OPERATIONAL DESCRIPTION
1. Lift operation
A. Lifting by insertion of the tray
When insertion of the tray is detected, the tray is locked by the tray
lock solenoid so that the tray cannot be pulled out.
When tray lock is settled by turning ON the tray lock sensor (LTLD),
the lift motor is turned ON to lift the tray.
When the tray is lifted, the tray LED blinks and stops at the paper
feed position (upper limit) by turning ON the upper limit sensor
(LUD).
When the tray stops at the paper feed position (upper limit), the tray
LED turns on.
When the paper empty sensor (LPED) turns ON within 1097 pulses
of the encoder signal from start of the tray lifting, the lift motor is
turned OFF to stop the tray, and the paper feed solenoid (LPFS) is
turned ON to lower the pick roller.
After that, the lift motor is turned ON again to lift the tray and stop it
at the upper limit sensor (LUD) ON position.
When the paper empty sensor (LPED) does not turn ON within
1097 pulses, the paper feed solenoid (LPFS) is turned ON with the
lift motor ON to lower the pick roller. The lift motor is stopped at the
upper limit sensor (LUD) ON position and the paper feed solenoid
is turned OFF.
lock solenoid so that the tray cannot be pulled out.
When tray lock is settled by turning ON the tray lock sensor (LTLD),
the lift motor is turned ON to lift the tray.
When the tray is lifted, the tray LED blinks and stops at the paper
feed position (upper limit) by turning ON the upper limit sensor
(LUD).
When the tray stops at the paper feed position (upper limit), the tray
LED turns on.
When the paper empty sensor (LPED) turns ON within 1097 pulses
of the encoder signal from start of the tray lifting, the lift motor is
turned OFF to stop the tray, and the paper feed solenoid (LPFS) is
turned ON to lower the pick roller.
After that, the lift motor is turned ON again to lift the tray and stop it
at the upper limit sensor (LUD) ON position.
When the paper empty sensor (LPED) does not turn ON within
1097 pulses, the paper feed solenoid (LPFS) is turned ON with the
lift motor ON to lower the pick roller. The lift motor is stopped at the
upper limit sensor (LUD) ON position and the paper feed solenoid
is turned OFF.
Lifting (When LPED turns ON within 1097 pulses during lifting)
Lifting (When LPED does not turn ON within 1097 pulses dur-
ing lifting)
ing lifting)
B. Lowering operation by paper empty detection
or pressing the tray SW
When the paper empty sensor (LPED) turns OFF with the tray at
the paper feed position (upper limit) or when the tray SW (LTLSW)
is pressed, the tray is lowered by 542 pulses of the encoder signal
and stopped at the paper supply position.
When the lower limit sensor (LDD) turns ON before lowering the
tray by 542 pulses of the encoder signal, the lift motor is turned
OFF to stop the tray.
When the tray is moving down, the tray LED blinks. When the tray
is stopped at the paper supply position, the tray LED turns OFF.
When the tray is stopped at the paper supply position, the tray lock
solenoid releases the lock so that the tray can be pulled out.
When the tray is lowered with the paper empty sensor (LPED) OFF,
the tray remains at the paper supply position and the tray lock is
released.
When the tray is lowered by pressing the tray SW (LTLSW), if the
tray is not pulled out from the paper supply position for 90sec, the
tray lock solenoid locks the tray. When the tray is locked securely,
the lift motor is turned ON to lift the tray.
When the tray is lifting, the tray LED blinks. When the upper limit
sensor (LUD) is turned ON, the tray stops at the paper feed position
(upper limit).
When the tray stop at the paper feed position (upper limit), the tray
LED turns ON.
the paper feed position (upper limit) or when the tray SW (LTLSW)
is pressed, the tray is lowered by 542 pulses of the encoder signal
and stopped at the paper supply position.
When the lower limit sensor (LDD) turns ON before lowering the
tray by 542 pulses of the encoder signal, the lift motor is turned
OFF to stop the tray.
When the tray is moving down, the tray LED blinks. When the tray
is stopped at the paper supply position, the tray LED turns OFF.
When the tray is stopped at the paper supply position, the tray lock
solenoid releases the lock so that the tray can be pulled out.
When the tray is lowered with the paper empty sensor (LPED) OFF,
the tray remains at the paper supply position and the tray lock is
released.
When the tray is lowered by pressing the tray SW (LTLSW), if the
tray is not pulled out from the paper supply position for 90sec, the
tray lock solenoid locks the tray. When the tray is locked securely,
the lift motor is turned ON to lift the tray.
When the tray is lifting, the tray LED blinks. When the upper limit
sensor (LUD) is turned ON, the tray stops at the paper feed position
(upper limit).
When the tray stop at the paper feed position (upper limit), the tray
LED turns ON.
Lowering operation (when paper empty is detected)
Lowering operation (when tray SW is pressed)
LLM
(Lift motor output)
LDD
(Lower limit sensor)
LUD
(Upper limit sensor)
LPED
(Paper empty detection)
LPSL
(Solenoid)
Within 1097 pulses
LRE
(Encoder signal)
200msec
LLM
(Lift motor output)
LDD
(Lower limit sensor)
LUD
(Upper limit sensor)
LPED
(Paper empty detection)
LPSL
(Solenoid)
LRE
(Encoder signal)
1097
LLM
(Lift motor output)
LDD
(Lower limit sensor)
LUD
(Upper limit sensor)
LPED
(Paper empty detection)
LTLSW
(Tray SW)
LRE
(Encoder signal)
542
LLM
(Lift motor output)
LDD
(Lower limit sensor)
LUD
(Upper limit sensor)
LPED
(Paper empty detection)
LTLSW
(Tray SW)
LRE
(Encoder signal)
Less than 542
