Sharp MX-LC17 Service Manual ▷ View online
SERVICE MANUAL
Parts marked with "
" are important for maintaining the safety of the set. Be sure to replace these parts with
specified ones for maintaining the safety and performance of the set.
SHARP CORPORATION
[1] SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1
[2] EXTERNAL VIEW AND INTERNAL STRUCTURE
1. Sensor, switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
2. Motor, clutch, solenoid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2
3. PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
4. Roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4
[3] MAINTENANCE
1. Maintenance list. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
2. Each unit disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-3
3. Disassembly and assembly in each unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-5
[4] OPERATIONAL DESCRIPTIONS
1. Electrical and mechanical main parts location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
2. Lift operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
3. Paper feed operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
4. Paper empty detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
[5] ELECTRICAL SECTION
1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
2. Actual wiring diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2
CODE: 00ZMXLC17NS1E
CONTENTS
DIGITAL FULL COLOR
MULTIFUNCTIONAL SYSTEM
OPTION
LARGE CAPACITY TRAY
MULTIFUNCTIONAL SYSTEM
OPTION
LARGE CAPACITY TRAY
MX-LC17 N
MODEL
NOTE FOR SERVICING
1. Precautions for servicing
• When servicing, disconnect the power plug, the printer cable, the
network cable and the telephone line from the machine, except
when performing the communication test, etc.
It may cause an injury or an electric shock.
when performing the communication test, etc.
It may cause an injury or an electric shock.
• When servicing with the machine operating, be careful not to
squeeze you hands by the chain, the belt, the gear and other
driving sections.
driving sections.
• Do not leave the machine with the cover disassembled.
Do not allow any person other than a serviceman to touch inside
the machine. It may cause an electric shock, a burn or an injury.
the machine. It may cause an electric shock, a burn or an injury.
• When servicing, do not breathe toner, developer excessively. Do
not get them in the eyes
If toner, developer enters your eyes, wash it away with water
immediately and consult a doctor if necessary.
If toner, developer enters your eyes, wash it away with water
immediately and consult a doctor if necessary.
• The machine has got sharp edges inside. Be careful not to
damage fingers when servicing
• Do not throw toner or a toner cartridge in a fire. Otherwise toner
may ignite and burn you.
• When carrying a unit with PWB or electric installed to it, be sure
to put it in an static-electricity bag.
It may otherwise cause a machine breakdown or malfunction.
It may otherwise cause a machine breakdown or malfunction.
2. Identification method for N
model series
MX-LC17 N SPECIFICATIONS 1 – 1
MX-LC17 N
Service Manual
[1] SPECIFICATIONS
Type
Externally mounted 3000-sheet paper feeder
Transport reference
Center reference
Paper size
A4, 8.5" x 11"
Paper size setting
Service engineer support/simulation setup
Factory default paper size setting
AB series: A4
Inch series: 8.5" x 11"
Inch series: 8.5" x 11"
Paper type setting
Provided
Supported paper types/weight
Plain paper, printed paper, recycled paper, letter head, pre-punched paper, color paper, Heavy paper(106-220g/m
2
(28 lbs
bond to 80lbs cover) ・60-220g/m
2
(21 lbs bond to 80 lbs cover)
Paper capacity
3000 sheets (80 g/m
2
(21 lbs)), at effective height of 342 mm
Paper level detection
The paper feeder detects the amount of remaining paper and indicates one of seven levels (100%, 83.3%, 66.7%, 50.0%,
33.3%, 16.7%, and none) on its own panel or on the printer's display.
33.3%, 16.7%, and none) on its own panel or on the printer's display.
Paper refill method
Right loading type; paper can be refilled from the right part.
Drive mechanism
Transport motor (brushless DC motor) controlled by a controller board built in the LCC
Jam processing
Can be done by moving the unit to the right.
Off-center adjustment
3 mm (can be adjusted by moving the front and rear regulation plates).
Vertical tray movement time
Up: within 8 seconds (with no paper loaded; from paper set position to paper feeding position)
Down：within 6 seconds (with no paper loaded：from paper feeding position to paper set position)
Down：within 6 seconds (with no paper loaded：from paper feeding position to paper set position)
Power consumption
(except for the heater)
(except for the heater)
Max. 22W
Lift-up: Max. 38.6W
Lift-up: Max. 38.6W
Power supply
5V
5% and 24V 5% (Supplied from the main unit)
Outside dimensions (W x D x H)
375 x 569 x 448 (mm), 14.8 x 23.5 x 17.8 (inch)
Weight
Approx. 21.6 kg (64.4 lbs)
Paper feed system
Paper pick-up with the aid of a take-up roller; torque limiter reverse rotation separation system
Heater
Service parts (kit)
Installation/maintenance
Installed by service personnel
Optional detection
Auto detection supported
Packaged items
Parts for mounting
MX-LC17 N EXTERNAL VIEW AND INTERNAL STRUCTURE 2 – 1
MX-LC17 N
Service Manual
[2] EXTERNAL VIEW AND INTERNAL STRUCTURE
1. Sensor, switch
Signal
name
Name
Type
Function/operation
LCCD Connect
sensor
Transmission
type
Detects connection to the main unit.
LCLSW
Right door close switch
Micro switch
Detects open/close of the right door.
LDD
Tray lower limit sensor
Transmission type
Detects lower limit of the tray.
LLSW
Upper limit switch
Micro switch
Detects upper limit of the tray.
LPED
Tray paper empty sensor
Reflection type
Detects paper presence/empty on the paper tray.
LPFD
Paper transport sensor
Reflection type
Detects paper transport.
LPFPD
Paper transport sensor 2
Reflection type
Detects paper transport.
LPUD
Paper upper surface sensor
Transmission type
Detects paper surface position
LRE
Lift motor encoder sensor
Transmission type
Detects the lift motor rotation.
LUD
Tray upper limit sensor
Transmission type
Detects the paper upper limit position.
LWRSW
Reverse winding detection switch
Micro switch
Detects lift motor reverse winding
LPFD
LPFPD
LLSW
LPED
LPUD
LCCD
LWRSW
LRE
LDD
LCLSW
LUD
