Sharp MX-2640N / MX-2640NR / MX-2640FN / MX-3140N / MX-3140NR / MX-3140FN / MX-3640N / MX-3640NR / MX-3640FN (serv.man36) Service Manual ▷ View online
CONTENTS
NOTE FOR SERVICING
1. Precautions for servicing . . . . . . . . . . . . . . . . . . . . . . . . . i
2. Warning for servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . i
3. Note for installing site. . . . . . . . . . . . . . . . . . . . . . . . . . . . i
4. Note for handling PWB and electronic parts . . . . . . . . . .ii
5. Note for repairing/replacing the LSU . . . . . . . . . . . . . . . iii
6. Note for handling the drum unit, the transfer unit,
2. Warning for servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . i
3. Note for installing site. . . . . . . . . . . . . . . . . . . . . . . . . . . . i
4. Note for handling PWB and electronic parts . . . . . . . . . .ii
5. Note for repairing/replacing the LSU . . . . . . . . . . . . . . . iii
6. Note for handling the drum unit, the transfer unit,
the developing unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
7. Screw tightening torque . . . . . . . . . . . . . . . . . . . . . . . . . iii
[1]
PRODUCT OUTLINE
1. System diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
2. Option list. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1. System diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
2. Option list. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
[2]
SPECIFICATIONS
A. Basic specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
[3]
CONSUMABLE PARTS
1. Supply system table. . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
2. Maintenance parts list . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
3. Definition of developer/drum life end . . . . . . . . . . . . . . 3-5
4. Production number identification . . . . . . . . . . . . . . . . . 3-5
5. Environmental conditions. . . . . . . . . . . . . . . . . . . . . . . 3-6
1. Supply system table. . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
2. Maintenance parts list . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
3. Definition of developer/drum life end . . . . . . . . . . . . . . 3-5
4. Production number identification . . . . . . . . . . . . . . . . . 3-5
5. Environmental conditions. . . . . . . . . . . . . . . . . . . . . . . 3-6
[4]
EXTERNAL VIEW AND INTERNAL STRUCTURE
1. External view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
2. Internal structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
3. I/F connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
4. Operation panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
5. Sensors and detectors. . . . . . . . . . . . . . . . . . . . . . . . . 4-6
6. Switches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
7. Clutches and solenoids . . . . . . . . . . . . . . . . . . . . . . . . 4-9
8. Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
9. Rollers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
10. Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13
11. Fans and filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
12. Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
13. PWB/Memory device . . . . . . . . . . . . . . . . . . . . . . . . . 4-16
14. Fuses and Thermostats . . . . . . . . . . . . . . . . . . . . . . . 4-18
1. External view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
2. Internal structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
3. I/F connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
4. Operation panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
5. Sensors and detectors. . . . . . . . . . . . . . . . . . . . . . . . . 4-6
6. Switches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
7. Clutches and solenoids . . . . . . . . . . . . . . . . . . . . . . . . 4-9
8. Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
9. Rollers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
10. Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13
11. Fans and filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
12. Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
13. PWB/Memory device . . . . . . . . . . . . . . . . . . . . . . . . . 4-16
14. Fuses and Thermostats . . . . . . . . . . . . . . . . . . . . . . . 4-18
[5]
ADJUSTMENTS AND SETTINGS
1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
2. Adjustment item list . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
3. Details of adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
2. Adjustment item list . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
3. Details of adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
[6]
SIMULATION
1. General and purpose . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
2. Starting the simulation . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
3. List of simulation codes . . . . . . . . . . . . . . . . . . . . . . . . 6-3
4. Details of simulation. . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
1. General and purpose . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
2. Starting the simulation . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
3. List of simulation codes . . . . . . . . . . . . . . . . . . . . . . . . 6-3
4. Details of simulation. . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
[7]
TROUBLESHOOTING
1. Error code and troubleshooting . . . . . . . . . . . . . . . . . . 7-1
2. JAM and troubleshooting . . . . . . . . . . . . . . . . . . . . . . 7-36
3. Image send communication report code . . . . . . . . . . 7-40
4. Dial tone. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-43
1. Error code and troubleshooting . . . . . . . . . . . . . . . . . . 7-1
2. JAM and troubleshooting . . . . . . . . . . . . . . . . . . . . . . 7-36
3. Image send communication report code . . . . . . . . . . 7-40
4. Dial tone. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-43
[8]
FIRMWARE UPDATE
1. Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
2. Update procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
1. Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
2. Update procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
[9]
MAINTENANCE
1. Works necessary when executing
1. Works necessary when executing
the maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
2. Display of maintenance execution timing. . . . . . . . . . .9-2
3. Maintenance list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4
3. Maintenance list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4
[10] DISASSEMBLY AND ASSEMBLY
1. Disassembly of Units . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
2. Disassembly and assembly of each unit . . . . . . . . . 10-22
2. Disassembly and assembly of each unit . . . . . . . . . 10-22
[11] VARIOUS STORAGE DATA HANDLING
1. HDD/SD card memory map . . . . . . . . . . . . . . . . . . . . 11-1
2. Necessary steps when replacing the PWB,
2. Necessary steps when replacing the PWB,
HDD and the SD Card . . . . . . . . . . . . . . . . . . . . . . . . 11-3
3. Note for installing and repairing the mirroring kit . . . . 11-8
[12] SERVICE WEB PAGE
1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
2. Details and operation procedures . . . . . . . . . . . . . . . 12-1
2. Details and operation procedures . . . . . . . . . . . . . . . 12-1
[13] OPERATIONAL DESCRIPTIONS
1. Operation panel section . . . . . . . . . . . . . . . . . . . . . . . 13-1
2. Scanner section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-3
3. Manual paper feed section. . . . . . . . . . . . . . . . . . . . . 13-5
4. Tray paper feed section . . . . . . . . . . . . . . . . . . . . . . . 13-7
5. Paper registration section
2. Scanner section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-3
3. Manual paper feed section. . . . . . . . . . . . . . . . . . . . . 13-5
4. Tray paper feed section . . . . . . . . . . . . . . . . . . . . . . . 13-7
5. Paper registration section
(Paper transport section) . . . . . . . . . . . . . . . . . . . . . 13-10
6. Paper exit section. . . . . . . . . . . . . . . . . . . . . . . . . . . 13-11
7. ADU section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-13
8. LSU section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-15
9. Process section . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-18
10. Fusing section . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13-48
11. RSPF section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-51
12. Fan and filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-57
13. Operations and specifications of counters . . . . . . . . 13-58
7. ADU section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-13
8. LSU section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-15
9. Process section . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-18
10. Fusing section . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13-48
11. RSPF section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-51
12. Fan and filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-57
13. Operations and specifications of counters . . . . . . . . 13-58
[14] ELECTRICAL SECTION
1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14-1
2. Power line diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 14-9
3. Actual wiring chart . . . . . . . . . . . . . . . . . . . . . . . . . . 14-13
4. Signal list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-28
2. Power line diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 14-9
3. Actual wiring chart . . . . . . . . . . . . . . . . . . . . . . . . . . 14-13
4. Signal list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-28
[15] TOOL LIST. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-1
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
View from the
front
View from the
back
bottom
View from the
front
View from the
back
Symbol
Meaning (Work content)
MX-3640N NOTE FOR SERVICING - i
MX-3640N
Service Manual
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.
It may cause an injury or an electric shock.
• There is a high temp erature area inside the machin e. Use
extreme care when servicing.
It may cause a burn.
It may cause a burn.
• There is a high voltage section inside the machine which may
cause an electric shock. Be careful when servicing.
• Do not disassemble the laser unit. Do not inse rt a r eflective
material such as a screwdriver in the laser beam path.
It may damage eyes by reflection of laser beams.
It may damage eyes by reflection of laser beams.
• When servicing with the machine opera ting, be care ful not to
squeeze you hands by the ch ain, the be lt, the gea r, and other
driving sections.
• Do not leave the machine with the cabinet 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.
• When servicing, do not breathe toner, developer, and ink exces-
sively. Do not get them in the eyes.
If toner, developer, or ink enter s your eyes, wash it away with
If toner, developer, or ink enter s 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 dam-
age fingers when servicing.
• Do not throw toner or a toner cartridge in a fire. Otherwise, toner
may ignite and burn you.
• When replacing a lithium battery on a PWB, only use the speci -
fied replacement battery.
If a battery of different specification is used, it ma y cause a
If a battery of different specification is used, it ma y cause a
machine malfunction or breakdown.
• When carrying a unit with PWB or electronic parts installed to it,
be sure to put it in an anti-static-electricity bag.
It may otherwise cause a machine breakdown or malfunction.
It may otherwise cause a machine breakdown or malfunction.
2. Warning for servicing
• Be sure to connect the power cord only to a power outlet that
meets the specified voltage and current requirements.
Avoid complex w iring, which may lead to a fire or an electric
Avoid complex w iring, which may lead to a fire or an electric
shock.
It may cause a fire or an electric shock.
It may cause a fire or an electric shock.
• If there is any abnormality such as a smoke or an abnor mal
smell, interrupt the job and disconnect the power plug.
It may cause a fire or an electric shock.
It may cause a fire or an electric shock.
• Be sure to connect the grounding wire. If an electric leakage
occurs without grounding, a fire or an electric shock may result.
To protect the machine and the power unit fro m lightening,
To protect the machine and the power unit fro m lightening,
grounding must be made.
• When connecting the grounding wire, never connect it to the fol-
lowing points.
Gas tube
Lightning conductor
A water pipe or a water faucet, which is not r ecognized as a
grounding object by the authorities.
Grounding wire for telephone line
It may cause an explosion, a fire or an electric shock.
• Do not damage, break, or stress the power cord.
Do not put heavy objects on the power cable. Do not stress, forc-
ibly bend, or pull the power cord.
It may cause a fire or an electric shock.
It may cause a fire or an electric shock.
• Keep the power cable away from a heat source.
Do not insert the power plug with dust on it into a power outlet.
It may cause a fire or an electric shock.
It may cause a fire or an electric shock.
• Do not place liqu ids or foreign metallic objects inside the
machine.
It may cause a fire or an electric shock.
It may cause a fire or an electric shock.
• Do not touch the power cord, insert the phone jack, oper ate the
machine, or perform service on the machine with wet o r oily
hands.
It may cause an electric shock.
It may cause an electric shock.
3. Note for installing site
Do not install the machine at the following sites.
•
•
Place of high temperature, high humidity, low temperature,
low humidity, place under an extreme change in temperature
and humidity.
Paper may get damp and form condensation inside the machine,
Paper may get damp and form condensation inside the machine,
causing paper jam or copy dirt.
For operating and storing conditions, refer to the specifications
For operating and storing conditions, refer to the specifications
described later.
•
Place of extreme vibrations
It may cause a breakdown.
It may cause a breakdown.
•
Poorly ventilated place
An electrostatic type copier will produce ozone.
The quantity of ozone produced is designed to a low level so as
An electrostatic type copier will produce ozone.
The quantity of ozone produced is designed to a low level so as
not to affect human bodies. However, continuous use of such a
machine may produce an ozone smell. Install the machine in a
well ventilated place.
CAUTION
DOUBLE POLE/NEUTRAL FUSING
(200V series only)
