Sharp MX-LC11 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4
[4] ELECTRICAL SECTION
1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
2. Actual wiring diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
[5] OPERATIONAL DESCRIPTIONS
1. Electrical and mechanical relation diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
2. Lift Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-3
3. Paper Feed Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-3
4. Paper-on-tray Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-4
CODE: 00ZMXLC11/S1E
CONTENTS
DIGITAL FULL COLOR
MULTIFUNCTIONAL SYSTEM
OPTION
LARGE CAPACITY TRAY
LARGE CAPACITY TRAY
MX-LC11
MODEL
Symbols in this manual
The lists of symbols used in this manual are shown below.
The meaning of each symbol described in the table must be understood for proper servicing.
The meaning of each symbol described in the table must be understood for proper servicing.
1. Symbols used for notes and
cautions
2. Symbols used in the work
contents
Symbol
Meaning
CAUTION
Indicates a general
caution item.
caution item.
HIGH TEMP
Be careful of a high
temperature in the
fusing section.
temperature in the
fusing section.
HIGH VOLTAGE
Be careful of an electric
shock where a high
voltage is applied such
as the high voltage
PWB, the main charger,
and the process section.
shock where a high
voltage is applied such
as the high voltage
PWB, the main charger,
and the process section.
DANGER
Indicates danger.
HANDLE WITH
CARE
CARE
Indicates a part which
requires special care for
handling such as the
HDD, and the LSU.
requires special care for
handling such as the
HDD, and the LSU.
INHIBIT
Indicates inhibit.
NO
ELECTROSTATIC
CHARGE
ELECTROSTATIC
CHARGE
Be careful to keep away
from static electricity]
(PWB's and electric
parts)
from static electricity]
(PWB's and electric
parts)
NO DUST,
FINGER PRINT,
DIRT, SCRATCH
FINGER PRINT,
DIRT, SCRATCH
Be careful not to touch
directly, such as the
optical section, the
photoconductor, and the
DV roller]
Also be careful not to
scratch]
directly, such as the
optical section, the
photoconductor, and the
DV roller]
Also be careful not to
scratch]
NO SCRATCH
NO LIGHT
Be careful not to expose
to light, such as the
photoconductor, and the
test chart.
to light, such as the
photoconductor, and the
test chart.
NO SOLVENT
Be careful not to use a
solvent in cleaning, etc.
solvent in cleaning, etc.
NO DISASSEMLE Do not disassemble]
Not serviceable]
Example CCD unit.
Example CCD unit.
OK/GOOD
Indicates a correct
procedure or result in an
adjustment, etc.
procedure or result in an
adjustment, etc.
NO GOOD
Indicates a wrong
procedure or result in an
adjustment, etc.
procedure or result in an
adjustment, etc.
NOTE
Indicates a note.
IMPORTANT
Indicates an important
item]
item]
REFER
Indicates a reference
page, etc]
page, etc]
NEW
Indicates a new
technology, a new
method, or a new item.
technology, a new
method, or a new item.
EXAMPLE
Indicates a description
using an example.
using an example.
Symbol
Meaning (Work content)
Adhesion
Indicates that a seal, etc]
is attached.
is attached.
Adjustment
Indicates an adjustment.
Measure a
dimension or a
size.
dimension or a
size.
Indicates that a
dimension or a length is
measured.
dimension or a length is
measured.
Apply grease
Indicates that grease is
to be applied.
to be applied.
Apply conductive
grease
grease
Indicates conductive
grease is applied.
grease is applied.
Cleaning
(Dry)
(Dry)
Indicates clean with a
dry cloth.
dry cloth.
Cleaning
(Wet)
(Wet)
Indicates clean with a
cloth dampened with
water.
cloth dampened with
water.
Cleaning
(Alcohol)
(Alcohol)
Indicates clean with
alcohol.
alcohol.
Cleaning
(Blower)
(Blower)
Indicates cleaning is
done with a blower/
brush.
done with a blower/
brush.
Symbol
Meaning
3. Symbols used for kinds of parts
4. Symbols used for additional
descriptions
Cleaning
(Vacuum)
(Vacuum)
Indicates that cleaning is
performed with a
vacuum cleaner.
performed with a
vacuum cleaner.
Cleaning
(Brush)
(Brush)
Indicates that cleaning is
performed with a brush.
performed with a brush.
Oil
Indicates that oil is
applied to lubricate.
applied to lubricate.
Apply powder.
Indicates that setting
power is applied to the
photoconductor drum,
the transfer belt, etc.
power is applied to the
photoconductor drum,
the transfer belt, etc.
Replace
Indicates that a part is
replaced.
replaced.
Check
Indicates that a check
(replacement,
adjustment, cleaning) is
performed.
(replacement,
adjustment, cleaning) is
performed.
Cut
Indicates that cutting is
performed.
performed.
Loosen
Indicates that a screw is
loosened.
loosened.
Connect
Indicates that a
connector is connected.
connector is connected.
Disconnect
Indicates that a
connector is
disconnected.
connector is
disconnected.
Remove a
harness.
harness.
Indicates that a harness
is unsecured.
is unsecured.
Attach a harness.
Indicates that a harness
is secured.
is secured.
Remove a clamp.
Attach a clamp.
Release a hook.
Indicates that a hook is
released.
released.
Fix a hook]
Indicates that a hook is
fixed.
fixed.
Disengage the
pawl.
pawl.
Symbol
Meaning (Work content)
Engage the pawl.
Screw lock
Indicates that a screw is
secured with adhesive.
secured with adhesive.
Unlock
Turn OFF the
power.
power.
Disconnect the
power plug.
power plug.
Symbol
Meaning (Kinds of parts)
Maintenance
part
part
Indicates a part which is
replaced in a maintenance
procedure.
replaced in a maintenance
procedure.
Consumable
part
part
Indicates a consumable
part such as a
photoconductor,
developer, a transfer belt,
etc.
part such as a
photoconductor,
developer, a transfer belt,
etc.
Waste part
Indicates a waste part
which is consumed but
excluded from the above
consumable parts] (A
roller, a seal, etc.)
which is consumed but
excluded from the above
consumable parts] (A
roller, a seal, etc.)
Unit part
Indicates a part which is
designated as a unit.
designated as a unit.
Included part
Indicates a part which is
included in the package
included in the package
Symbol
Meaning
View from the
top
top
Indicates from which
angle the drawing is
viewed.
angle the drawing is
viewed.
View from the
bottom
bottom
View from the
front
front
View from the
back
back
Symbol
Meaning (Work content)
MX-LC11 SPECIFICATIONS 1 – 1
MX-LC11
Service Manual
[1] SPECIFICATIONS
Type
Externally mounted 3500-sheet paper feeder
Transport speed
Operable within the speed range of 124 to 360 mm/s (Speed can be selected using a communication command).
Transport reference
Center reference
Paper size
AB series: A4, 8.5" x 11"
AB, B5 series: A4, B5, 8.5" x 11”
Inch series: 8.5" x 11", A4
AB, B5 series: A4, B5, 8.5" x 11”
Inch series: 8.5" x 11", A4
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: 60 to 105 g/m
2
(16 to 28 lbs)
Paper capacity
3500 sheets (80 g/m
2
(21 lbs)), at effective height of 385 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
Front loading type; paper can be refilled from the upper 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 or drawing out the tray.
Off-center adjustment
±3 mm (can be adjusted by moving the front and rear regulation plates).
Vertical tray movement time
Up: within 15 seconds (with no paper loaded; from tray insertion to "empty" detection).
Down: within 5 seconds
Down: within 5 seconds
Power consumption
(except for the heater)
(except for the heater)
Max. 26.4W
Lift-up: Max. 40.8W
Lift-up: Max. 40.8W
Power supply
5V
± 5% and 24V ± 5% (Supplied from the main unit)
Outside dimensions (W x D x H)
370 x 575 x 519.5 (mm), 14.57 x 22.64 x 20.45 (inch)
Occupying area (W x D)
370 x 575 (mm) (Clearance from the main unit: 235 mm), 14.57 x 22.64 (inch) (Clearance from the main unit: 9.25 inch)
Weight
Approx. 30 kg (66.1 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, installation cautionary note
