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.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
This Service Manual uses some photographs to assure safe operation.
Please understand the meanings of photographs before servicing.
WARNING: If this WARNING should be ignored, a serious danger
to life or a serious injury may result.
CAUTION: If this CAUTION should be ignored, injury or damage
to property could result.
1. Warning for servicing
1) Be sure to connect the power cord only to a power outlet that
meets the specified voltage and current requirements.
Avoid complex wiring, which may lead to a fire or an electric shock.
2) If there is any abnormality such as smoke or an abnormal smell,
interrupt the job and disconnect the power plug.
It may cause a fire or an electric shock.
3) Be sure the machine is properly grounded. Failure to ground the
machine properly may result in an electric shock or fire.
To protect the machine and the power unit from lightening, grounding must be made.
4) When connecting the ground wire, never connect it to the following
points as it may cause an explosion, fire, or an electric shock:
• Gas tube
• Lightning conductor
• A water pipe or a water faucet, which is not recognized as a
grounding object by the authorities.
• Grounding wire for telephone line
5) Do not damage, break, or stress the power cord. Do not put heavy
objects on the power cord. Do not bend or pull the cord forcefully. It
may cause a fire or electric shock.
6) 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.
7) Do not put a receptacle with water in it or a metal piece which may
drop inside the machine.
It may cause a fire or an electric shock.
8) Do not touch the power plug, insert a telephone jack, perform service or operate the machine with wet or oil hands. It may cause an
electric shock.
2. Precautions for servicing
1) 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.
2) There is a high temperature area inside the machine. Use extreme
care when servicing.
3) There is a high voltage section inside the machine which may
cause an electric shock . Be careful when servicing.
4) Do not disassemble the laser unit. Do not insert a reflective material such as a screwdriver in the laser beam path.
It may damage eyes by reflection of laser beams.
5) When servicing the machine while operating, be careful not to
make contact with chains, belts, gear, and any other moving parts.
6) 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.
7) When servicing, do not breathe toner, developer, and ink excessively. Do not get them in the eyes.
If toner, developer, or ink enters you eyes, wash it away with water
immediately, and consult a doctor if necessary.
8) The machine has got sharp edges inside. Be careful not to damage fingers when servicing.
9) Do not throw toner or a toner cartridge in a fire. Otherwise, toner
may pop and burn you.
10) When replacing the lithium battery on the PWB, use only the specified battery. If a battery of different specification is used, it may not
be compatible and cause breakdown or malfunction of the
machine.
11) When carrying an electric unit or a PWB, use an anti-static (electricity) bag. Failure to do so may cause component failure or
machine malfunction.
MX-M260/M310/M260N/M310N NOTE FOR SERVICING - i
3. Note for installing site
Do not install the machine at the following sites.
1) 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 dews inside the machine, causing
paper jam or copy dirt.
For operating and storing conditions, refer to the specifications
described later.
2) Place of much vibrations
It may cause a breakdown.
3) Poorly ventilated place
An electro-static type copier will produce ozone inside it.
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 a smell of ozone. Install the machine in a
well ventilated place, and ventilate occasionally.
4) Place of direct sunlight.
Plastic parts and ink may be deformed, discolored, or may undergo
qualitative change.
It may cause a breakdown or copy dirt.
5) Place which is full of organic gases such as ammonium
The organic photoconductor (OPC) drum used in the machine may
undergo qualitative change due to organic gases such as ammonium.
Installation of this machine near a diazo-type copier may result in
dirt copy.
6) Place of much dust
When dusts enter the machine, it may cause a breakdown or copy
dirt.
7) Place near a wall
Some machine require intake and exhaust of air.
If intake and exhaust of air are not properly performed, copy dirt or
a breakdown may be resulted.
8) Unstable or slant surface
If the machine drops or fall down, it may cause an injury or a breakdown.
If there are optional paper desk and the copier desk specified, it is
recommendable to use them.
When using the optional desk, be sure to fix the adjuster and lock
the casters.
4. Note for repairing/replacing the LSU
When repairing or replacing, be sure to observe the following items.
1) When repairing or replacing the LSU, be sure to disconnect the
power plug from the power outlet.
2) When repairing or replacing the LSU, follow the procedures
described in this Service Manual.
3) When checking the operations after repairing the LSU, keep all the
parts including the cover installed and perform the operation
check.
4) Do not modify the LSU.
5) When visually checking the inside of the machine for the operation
check, be careful not to allow laser beams to enter the eyes.
If the above precaution is neglected or an undesignated work is performed, safety may not be assured.
MX-M260/M310/M260N/M310N NOTE FOR SERVICING - ii
[1] PRODUCT OUTLINE
1. Line of machines and options
Job separator tray
[MX-TR11]
Staple cartridge
[MX-SCX1]
Finisher
[MX-FN13]
Exit tray
[MX-TE10]
Document cover
[MX-VR10]
[RSPF]
Copier/Printer (SPLC) model
(North America only)
[MX-M260/M310]
Reversing single pass feeder
[MX-RP10]
Copier/Printer (PCL)
Network model
[MX-M260N/M310N]
Copier/Printer (SPLC) model
[MX-M260/M310]
Data security kit
(Commercial version)
[AR-FR17U]
(For 26cpm)
[AR-FR18U]
(For 31cpm)
Application integration
module kit
[MX-AMX1]
FAX expantion kit
[AR-FX7]
Sharpdesk
license kit
[MX-USX1/
MX-USX5/
MX-US10/
MX-US50/
MX-USA0]
Machine stand
(Large)
[MX-DS11][MX-DS12]
Machine stand
(Small)
[AR-SM5](256MB)
[AR-SM6](512MB)
Network scanner
expantion kit
Paper feed unit
(500 Sheets)
[MX-M260/M310]
FAX memory (8MB)
[AR-MM9]
Barcode font kitFlash ROM kit
Printer expantion kitExpantion memory board
[MX-PB12]
[AR-PF1][AR-PF2]
Paper feed unit
(500x2 Sheets)
[MX-DE11][MX-DE10]
PS3 expantion kit
[MX-PK10][MX-NSX1]
MX-M260/M310/M260N/M310N PRODUCT OUTLINE 1 - 1
2. Combination of options list
F : Installable
✕: Not available
Section
Automatic document
feeder and OC
Paper feed systemPaper feed unit (500 sheets)MX-DE10FF
Toner supply method Toner supply by front cover open
Waste toner disposal Toner cartridge collection
(3) Dimensions / Weight
External dimensions
(W x D x H)
Occupied
dimensions (W x D)
(when the manual
paper feed tray is
extended)
(4) Warmup
Warm-up time23 sec or less (26-sheet model)
Pre-heatYes
Jam recovery timeAbout 10sec, excluding fusing warmup, toner
Conditions: Leaving for 60 sec after door open, standard conditions,
polygon stop.
(5) First copy time
Platen4.8 sec or less4.5 sec or less
RSPF9.3 sec or less
∗ Measuring conditions: When paper of A4 or 8.5” x 11” is fed from the
machine tray, with the polygon rotating.
(6) Engine resolution
Writing resolution600 x 600dpi
Smoothing (Print)1200dpi (equivalent) x 600dpi
GradationWriting: Binary
(7) Printable range
Max. print sizeAB series: 416 x 293mm
Void area image loss Lead edge 4.0mm or less
development
OC model: 623 x 628 x 668mm
RSPF model: 623 x 628 x 788mm
898 x 628mm
25 sec or less (31-sheet model)
control, etc.
26-sheet model31-sheet model
(600dpi: 9826dot x 6920dot)
Inch series: 428 x 275mm
(600dpi: 10110dot x 6496dot)
Rear edge 4.0mm or less
Total of lead/rear edges 4mm±1mm
(8) Engine speed (ppm)
TrayPaper size
Tray 1- 4A 31517
B4/8.5 x 131720
A4/B5/A5/8.5 x 11/
5.5 x 8.5/16K
A4R/8.5 x 11R/16KR1824
B5R21
11 x 171417
8.5 x 141620
8K19
Manual paper
feed
A31417
B4/8.5 x 131720
A4/B5/A5/8.5 x 11/
5.5 x 8.5/16K
A4R/8.5 x 11R/16KR1923
11 x 171416
8.5 x 1416
26-sheet
model
2631
2327
31-sheet
model
(9) Power source
Ex Japan in
100V system
Voltage/Current110V 15A
120V±10% 15A
127V 12A
Frequency50/60Hz
Power source codeFixed typeInlet type
Power switch1 power source
Ex Japan in
200V system
220 - 240V 8A
(10) Power consumption
Maximum rated
power consumption
Shift time to sleep
mode
Ex Japan in
100V system
1.44kw1.45kw
Default (1 minute)
Ex Japan in
200V system
B. Controller board
(1) Controller board
SPLC boardPCL board
CPU---TMPR4937
Interface EthernetNo10Base-T/100Base-TX
USB 2.0
Device
MemoryNo64MB (Standard)
Memory
expansion slot
---1 slot (144 pin DIMM
(64bit, 300MHz)
Full Speed 1slot
+ 256MB x 1
compatible)
(2) Memory
Local MemoryStandard32MB
Expansion512MB x 2
Max.1056MB
C. Operation panel
TypeDot matrix LCD, touch panel
SizeMonochrome H-VGA 8.1”
Display dot number640 x 240 (H-VGA)
LCD drive display area192 x 72mm
LCD backlightFluorescent lamp backlight system
LCD contrast adjustment Yes
MX-M260/M310/M260N/M310N SPECIFICATIONS 2 - 1
D. Scanner section
(1) Resolution/Gradation
Reading
resolution
(dpi)
Transmission
resolusion
(dpi)
Reading
gradation
Exposure
lamp
Output
gradation
Platen400 x 600dpi
RSPF400 x 600dpi
Select modeNormal
Input resolution:OC203.2
Input resolution:
RSPF
Transmission
resolution
Half toneNoYesYesYes
Select mode200 x
Input resolution:OC600 x
Input resolution:
RSPF
Transmission
resolution
256 gradations
Electrodeless xenon lamp
Binary
(2) Document table
TypeDocument table fixed type (Flat bed)
Scanning area297 x 431.8mm
Original standard
position
DetectionYes
Detection sizeInch
Left bottom reference
series
AB
series
Copy mode
FAX transmission mode
Fine
text
293.4
203.2
293.4
203.2
97.8
Scanner mode
200
600
600 x
367
200 x
200
Automatic setting
11 x 17, 8.5 x 14, 8.5 x 11,
8.5 x 11R, 5.5 x 8.5
Manual setting
11 x 17, 8.5 x 14, 8.5 x 13 (216 x
330), 8.5 x 11, 8.5 x 11R,
5.5 x 8.5, A3, A4, A4R
Automatic setting
A3, B4, A4, A4R, A5
Manual setting
11 x 17, 8.5 x 14, 8.5 x 13 (216 x
330), 8.5 x 11, 8.5 x 11R, A3, B4,
A4, A4R, A5
text
203.2
x
293.4
203.2
x
293.4
203.2
x
195.6
300 x
300
600 x
600
600 x
367
300 x
300
Super
fine
text
203.2
x
391.2
203.2
x
391.2
203.2
x
391
400 x
400
600 x
600
600 x
367
400 x
400
(3) Automatic document feeder
Ty peRS P F
(Automatic duplex document feeder unit)
Scan speedWhen in single copyWhen in duplex copy
Copy31-sheet model:
Ultra
fine
text
406.4
x
x
x
x
586.7
406.4
x
586.7
406.4
x
391
600 x
600
600 x
600
600 x
367
600 x
600
Fax40 sheets/min
Scanner31 sheets/min
Document set
direction
Document standard
position
Document transport
system
Document sizeAB series: A3 - A5,0
Document weightSingle face: 35 - 128g/m
Max. loading
capacity of
documents
Transport disable
document
DetectionYes
Detection sizeInch
Multi copyS-S, S-D, D-D, D-S
Mixed paper feedEnable (Same width only)
27 sheets/min
(400 x 600dpi)
26-sheet model:
26 sheets/min
(400 x 600dpi)
(Normal text, A4R)
(300 x 300dpi)
Face-up reference
Center reference
Sheet through system
Inch series: 11 x 17 - 5.5 x 8.5
Duplex: 52 - 105g/m
100 sheets (90g/m
Paper thickness of 13mm or less can be set.
OHP, perforated documents, photo,
catalogue, second original sheet, tracing
paper, carbon paper, heat-sensitive paper,
wrinkled paper, folded or broken paper,
pasted or cut-away paper, documents of
many perforated holes (2-hole, 3-hole
documents can be used), document printed
by an ink ribbon
series
AB
series
Automatic setting
11 x 17, 8.5 x 14, 8.5 x 11,
8.5 x 11R, 5.5 x 8.5, A3, A4
Manual setting
11 x 17, 8.5 x 14, 8.5 x 13 (216 x
330), 8.5 x 11, 8.5 x 11R,
5.5 x 8.5, A3, A4, A4R
Automatic setting
11 x 17, 8.5 x 11, A3, B4, A4,
A4R, B5, B5R, A5
Manual setting
11 x 17, 8.5 x 14, 8.5 x 13 (216 x
330), 8.5 x 11, 8.5 x 11R, A3, B4,
A4, A4R, A5
31-sheet model:
17 side/min
(400 x 600dpi)
26-sheet model:
14 side/min
(400 x 600dpi)
17 sheets/min
(Normal text, A4R)
16 sheets/min
(300 x 300dpi)
2
, 9 - 34 lbs,
2
, 13.9 - 28 lbs
2
)
MX-M260/M310/M260N/M310N SPECIFICATIONS 2 - 2
E. Paper feed section
TypePaper feed tray + Multi manual paper feed (Expanded up to 4 trays by installing options.)
Paper feed methodPaper is fed from the above by the front loading system.
Details of paper feed sectionTray1Tray2Manual paper feed tray
Paper capacityStandard paper
(80g/m
2
)
Paper sizeA3, B4, A4, A4R, B5, B5R,
A5, 11 x 17, 8.5 x 14,
8.5 x 13, 8.5 x 11, 8.5x11R,
5.5 x 8.5, 8K, 16K, 16KR
Paper size detectionNoYes
2
Allowable paper type and weight for paper
56 - 105g/m
/15 - 28lbs BondMulti paper feed:
feed
Paper typeStandard paper (56 - 80g/m
Normal paper (60 - 105g/m
Letterhead
Color paper
Paper size setting when
shipping
Inch series8.5 x 11---
AB seriesA4---
Paper remaining detectionNo (paper presence only)
∗ 1: Supported envelope kinds: Commercial10 (4 - 1/8” x 9 - 1/2”), International DL (110mm x 220mm), International C5 (162mm x 229mm)
F. Paper exit section
(1) Center tray of main unit
Paper exit position/
system
Paper exit capacity500 sheets (A4, 8.5 x 11, 80g/m
Paper exit paper size/
kind
Shifter functionYes (Except for North America)
Paper remaining
detection for paper exit
Main unit top surface face-down paper
exit
2
paper)
All kinds of paper which can be fed
Ye s
500 sheets100 sheets
A3, B4, A4, A4R, B5R,
11 x 17, 8.5 x 14 (216 x 356),
8.5 x 13 (216 x 330),
8.5 x 11, 8.5 x 11R, 8K, 16KR
A3, B4, A4, A4R, B5, B5R, A5R, A5,
B6R, 11 x 17, 8.5 x 14 (216 x 356),
8.5 x 13 (216 x 330), 8.5 x 11,
8.5 x 11R, 7.25 x 10.5R, 5.5 x 8.5,
8K, 16K, 16KR, A6R, Envelope*
Standard paper (56 - 128g/m
Special paper, heavy paper (max.
2
200g/m
)
Single paper feed:
Standard paper, special paper,
second original, heavy paper (max.
C. Europe/ East Europe/ Russia / Australia/ New Zealand
No.ItemContentLifeModel nameRemarks
1 Toner cartridge
(black)
2 Developer (black) Developer
3 DrumDrum×126cpm: 75K
D. Asia affiliates
No.ItemContentLifeModel nameRemarks
1 Toner cartridge
(black)
2 Developer (black) Developer
3 DrumDrum×126cpm: 75K
E. Hong Kong
No.ItemContentLifeModel nameRemarks
1 Toner cartridge
(black)
2 Developer (black) Developer
3 DrumDrum×126cpm: 75K
F. SMEF/ Israel/ Philippines/ Taiwan/ Agent
No.ItemContentLifeModel nameRemarks
1 Toner cartridge
(black)
2 Developer (black) Developer
3 DrumDrum×126cpm: 75K
Toner cartridge (With IC chip)
(Toner; Net 700g)
(Developer; Net 300g)
Toner cartridge (With IC chip)
(Toner; Net 700g)
(Developer; Net 300g)
Toner cartridge (With IC chip)
(Toner; Net 700g)
(Developer; Net 300g)
Toner cartridge (With IC chip)
(Toner; Net 700g)
(Developer; Net 300g)
Toner cartridge (With IC chip)
(Toner; Net 700g)
(Developer; Net 300g)
Toner cartridge (With IC chip)
(Toner; Net 700g)
(Developer; Net 300g)
×125KMX-312NT Life setting by A4 (8.5"×11") 6% document
×126cpm: 75K
31cpm: 100K
31cpm: 100K
×125KMX-312BT Life setting by A4 (8.5"×11") 6% document
×126cpm: 75K
31cpm: 100K
31cpm: 100K
×125KMX-312GT Life setting by A4 (8.5"×11") 6% document
×126cpm: 75K
31cpm: 100K
31cpm: 100K
×125KMX-312ATLife setting by A4 (8.5"×11") 6% document
×126cpm: 75K
31cpm: 100K
31cpm: 100K
×125KMX-312ATLife setting by A4 (8.5"×11") 6% document
×126cpm: 75K
31cpm: 100K
31cpm: 100K
×125KMX-312FT Life setting by A4 (8.5"×11") 6% document
×126cpm: 75K
31cpm: 100K
31cpm: 100K
MX-312NV
MX-312NR
MX-312NV
MX-312NR
MX-312GV
MX-312GR
MX-312AV
MX-312AR
MX-312AV
MX-312AR
MX-312FV
MX-312FR
MX-M260/M310/M260N/M310N CONSUMABLE PARTS 3 - 1
2. Maintenance parts list
A. SIICA/ SECL/ LAG (MX-M260/M310)
No.ItemContentLife
1 Upper heat roller kit Upper heat roller
2 Lower heat roller kit Lower heat roller
3 150K maintenance
kit
4 MC unitMC unit×10 26cpm: 75K (×10)
5 Cleaner bladeCleaner blade×10 26cpm: 75K (×10)
6 Drum frame unitDrum frame unit×1 26cpm: 225K
7 Transfer roller unit Transfer roller unit×1150KMX-311TX
8 Paper feed roller kit Paper feed roller kit×1100KMX-311RT
9 Fusing unitFusing unit (120V heater lamp)×1150KMX-311FU
∗ The other maintenance parts than the above are supplied as service parts.
×1
×1
×2
×1
×4
×2
×1
×4
×2
×2
×1
×1
×1
×1
×1
150KAR-310UH
300KMX-311LH
150KMX-311KA
31cpm: 100K (×10)
31cpm: 100K (×10)
31cpm: 300K
Model
name
MX-311MC
MX-311CB
MX-311DU
Remarks
∗ The life of the toner reception seat attached to
the drum frame is 300K, and it can be used up
to 3 times. (Supplied as a drum frame unit.)
3. Developer/Drum life end definition
When the developer/drum counter reaches the specified level.
When the developer/drum rpm reaches the specified level.
When either of the above reached the specified level, it is judged as life end.
In an actual case, when correction or warm-up operation is performed as well as output operation, the developer and the drum rotates.
Therefore, the developer/drum consuming level cannot be determined only by the copy/print quantity. When, therefore, the rpm reaches the specified
level, it is judged as life end.
To check the drum and developer life, use SIM22-1.
Developer/drum counter
Developer/drum26cpm model31cpm model550K
75K100K
Number of rotations
(Rotations)
MX-M260/M310/M260N/M310N CONSUMABLE PARTS 3 - 3
4. Production number identification
<Toner cartridge>
The label on the toner cartridge shows the date of production.
Label position
<Drum>
The laser print indicates the model conformity code and the date (year,
month, day) of production.
Internal product name
Incompatibility
Destination
Version No.
Production year/month/day (6 digits)
Serial No. in production day (5 digits)
Production place (1 digits)
<Developer>
12345678
The lot number is of 8 digits. Each digit indicates the content as follows.
The number is printed on the right under side of the back surface of the
developer bag.
1Alphabet
Indicates the production factory.
2Number
Indicates the production year.
3, 4 Number
Indicates the production month.
5, 6 Number
Indicates the production day.
7Hyphen
8Number
Indicates the production lot.
12345
1Alphabet
Indicates the model conformity code. L for this model.
2Number
Indicates the end digit of the production year.
3Number or X, Y, Z
Indicates the month of packing.
X stands for October, Y November, and Z December.
manufactured month (Production lot)
under unsealed state
Drum: 36 months from the manufactured
month under unsealed state
590 - 1013 hPa
(height: 0 - 2000m)
MX-M260/M310/M260N/M310N CONSUMABLE PARTS 3 - 4
[4] EXTERNAL VIEW AND INTERNAL STRUCTURE
1. External view
1
8
11
9
10
No.NameFunction/Operation
1Document feeder trayPlace the original(s) that you wish to scan face up here.
2Original guidesAdjust to the size of the originals.
3Document feeder coverOpen to remove misfed originals.
4Reversing trayPull out to remove misfed originals.
5Exit areaOriginals exit the machine here after copying.
6Document transport coverOpen to remove misfed originals.
7Document transport cover knobPull to open the document transport cover.
8Document glassPlace an original that you wish to scan face down here.
9Power switchPress to turn the machine power on and off.
10HandlesUse to move the machine.
11Operation panelContains operation keys and the touch panel.
12Job separator tray (Upper tray) (optional)Print jobs and received faxes are delivered to this tray.
13Center trayFinished copies are delivered to the center tray.
14Front coverOpen to remove paper misfeeds and perform machine maintenance.
15Paper traysEach tray holds 500 sheets of copy paper.
16Upper right side coverOpen to remove misfeeds when an optional job separator tray kit or a optional finisher is
17Side coverOpen to remove misfeeds.
18Side cover handlePull to open the side cover.
19Bypass tray paper guidesAdjust to the width of the paper.
20Bypass trayRegular paper and special paper (such as transparency film) can be fed from the bypass tray.
21Bypass tray extensionPull out the bypass tray extension before placing paper in the bypass tray.
2
installed.
15
12
13
14
36
7
16
4
5
17
19
18
20
21
MX-M260/M310/M260N/M310N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 - 1
2. Internal structure
1
2
3
4
5
No.NameFunction/OperationNote
1Toner cartridge lock release lever Use to unlock the toner car tridge.
2Toner cartridgeContains toner.
3Roller rotating knobTurn to remove misfed paper.
4Photoconductive drumCopy images are formed on the photoconductive drum.Do not touch the photoconductive
drum (green portion). Doing so
may damage the drum and cause
smudges on copies.
5Fusing unit release leversTo remove a paper misfeed in the fusing unit, push up on these
levers and remove the paper.
6Fusing unit paper guideOpen to remove misfed paper.
The fusing unit is hot.
Do not touch the fusing unit when
removing misfed paper.
Doing so may cause a burn or
injury.
6
MX-M260/M310/M260N/M310N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 - 2
3. Operation panel
COPY
PRINT
SCAN
FAX
JOB STATUS
ON LINE
DATA
DATA
LINE
DATA
SYSTEM SETTINGS
LOGOUT
1234567891011
No.NameFunction/OperationNote
1Touch panelThe machine status, messages and touch keys are displayed on the panel.
The display will show the status of printing, copying or network scanning
according to the mode that is selected. For details see the next page.
2Mode select keys and indicatorsUse to change modes and the corresponding display on the touch panel.
[COPY] keyPress to select copy mode.
[PRINT] key/ONLINE indicator/
DATA indicator
[PRINT] key: Press to select print mode.
• ONLINE indicator: Print jobs can be received when this indicator is lit.
• DATA indicator: A print job is in memory. The indicator lights steadily while
the job is held in memory, and blinks while the job is printed.
[SCAN] key/DATA indicator[SCAN] key: Press to select network scan mode when the network scanner
option is installed.
• DATA indicator: Lights steadily or blinks while a scanned image is being sent.
[FAX] key/LINE indicator/
DATA indicator
[FAX] key: Press to select fax mode when the fax option is installed.
• LINE indicator : This lights up while faxes are being sent or received.
When the network
scanner option is
installed.
When the fax option is
installed.
• DATA indicator: Blinks when a fax has been received to memory and lights
steadily when a fax is waiting in memory for transmission.
3[JOB STATUS] keyPress to display the current job status.
4[SYSTEM SETTINGS] keyUse to adjust various settings of the machine including the contrast of the touch
panel and administrator settings.
5Numeric keysUse to enter numeric values for various settings.
6[LOGOUT] key ()When auditing mode is enabled, press this key after finishing a job to return the
machine to account number entry standby.
7[#/P] key ()Use this key to execute a job program in copy mode.
The key is also used to dial in fax mode.
8[CLEAR] key ()Press to clear a copy number setting or cancel a job.
9[CLEAR ALL] key ()Resets the settings to the initial settings.
10[START] key ()Press in copy mode, scanner mode, or fax mode to begin copying, network
scanning, or faxing.
This key blinks when auto power shut mode has activated. Press the key to
return to normal operation.
11[INTERRUPT] key ( )Use to perform an interrupt copy job.
MX-M260/M310/M260N/M310N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 - 3
4. RSPF
A. External view
No.Name
1Document set tray
2Document guide
3Document feed section cover
4Document transport section cover
5Document exit section
1
2
3
5
4
B. Internal structure
11
10
9
8
7
3
5
6
14
12
13
4
1
2
No.CodeNameTypeFunction/Operation
1EMPSDocument set sensorPhoto transmission Detects presence of documents.
2FGODOpen/close sensorPhoto transmission Detects open/close of the paper feed unit.
3DFCLPaper feed clutch——
4DFDPaper entry sensorPhoto transmission Detects presence of documents.
5RSOLPressure release solenoid——
6CLHTransport clutch——
7DTMSPF motorStepping motorDrives document feed on the tray, transport, and paper exit roller.
8GSOLGate solenoid——
9—Interface PWB——
10DLS1Document length detection SW (Short) Photo transmission Detects the document length on the tray.
11DLS2Document length detection SW (Long) Photo transmission Detects the document length on the tray.
12OPCLSBook sensorPhoto transmission Detects the SPF float.
13RDDPaper exit sensorPhoto transmission Detects presence of documents.
14SWDDocument width sensorVolumeDetects the document width on the tray.
MX-M260/M310/M260N/M310N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 - 4
5. Sensor
1
2
25
24
23
22
21
20
19
18
17
No.NameCodeFunction and operation
1Mirror home position
sensor
2Document cover
sensor
3Document size
sensor
42nd paper exit sensor
(Option)
52nd paper exit full
detection sensor
(Option)
61st paper exit sensorPOD1 1st paper exit detection
7Shifter home position
sensor (Except North
America)
8Paper exit sensor
(DUP side)
9ThermistorFusing temperature
10 1st tray (paper tray)
detection
11 Manual feed paper
entry sensor
12 Manual paper feed
tray empty sensor 2
13 Manual paper feed
tray empty sensor 1
14 Manual feed length
detection sensor 1
15 Manual feed length
detection sensor 2
16 Manual feed paper
empty sensor
17 2nd tray paper pass
sensor
MHPS Mirror (scanner) home
position detection
OCSW Document cover open/close
detection
DSIN3 Document size detection
(Inch series: PD3, 4)
(AB series: PD4, 5)
POD2 2nd paper exit detection
TOPF 2nd paper exit section full
detection
SFTHP Shifter home position sensor
detection
PPD2 Paper exit detection
detection
CD11st tray (paper tray) empty
detection
PPD1L Sensor of paper entry from
the manual paper feed tray,
the 2nd/multi-tray desk, or
the DUP
MPLS2 Manual feed tray position
detection
MPLS1 Manual feed tray position
detection
MPLD1 Manual feed paper length
detection
MPLD2 Manual feed paper length
detection
MPED Manual feed paper empty
detection
PFD2 2nd tray paper pass
3
4
5
14151626
6
7
8
10
11
12
13
No.NameCodeFunction and operation
18 2nd tray paper upper
limit detection sensor
19 2nd tray paper empty
sensor
20 1st tray paper pass
sensor
21 1st tray paper upper
limit detection sensor
22 1st tray paper empty
sensor
23 Toner sensorToner density detection
24 Center tray paper
1Cooling fanVFMCools the inside of the unit.
2Exhaust fan motorDCFMCools the inside of the unit.
3Intake fan motorDCFM2
4Fusing paper exit fanVFM2Cools the inside of the unit.
(31 sheet model)
5Fusing paper exit fanVFM2Cools the inside of the unit.
6Ozon filter
7Ozon filter
MX-M260/M310/M260N/M310N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 - 7
11. PWB12. Roller
1
2
3
11
10
8
9
7
No.NameFunction and operation
1Inverter PWBCopy lamp control
2CCD PWBFor image scanning (read)
3Option connector PWB
4IMC PWBImage process
5MCU PWBMain unit control
6Mother boardConnection with FAX PWB and
PCL PWB
7Tray interface PWB2nd tray control
8DC power supply PWBDC voltage control
9High voltage PWBHigh voltage control
10 KEY PWB
11 OPU PWBOperation panel control
1
2
3
4
4
5
6
1314
5
6
7
8
9
10
11
12
No.NameFunction and operation
1Paper exit rollerPaper exit roller
2Transport rollerPaper transport roller
3Upper heat rollerFuses toner on paper.
(with the Teflon roller)
4Lower heat rollerFuses toner on paper.
(with the silicone rubber roller)
5DUP transport follower
Duplex paper transport
roller
6DUP transport rollerDuplex paper transport
7Transport rollerTransfer images on the drum onto
paper.
8Resist rollerSynchronize the paper lead edge
with the image lead edge.
9Manual paper feed rollerPicks up papers in manual paper
feed port.
10 Manual feed transport
roller
Transports paper from the manual
paper feed port.
11 1st tray pick-up rollerPicks up paper from the tray.
12 1st tray paper feed rollerTransports the picked up paper to
RESIST section.
13 2nd tray pick-up rollerPicks up paper from the tray.
14 2nd tray paper feed roller Transports the picked up paper to
RESIST section.
MX-M260/M310/M260N/M310N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 - 8
[5] ADJUSTMENTS
1. Adjustment item list
A Process section(1)Developing doctor gap adjustmentDeveloping doctor gap adjustment
B Mechanism section(1)Print start position adjustmentSIM50-5
(2)MG roller main pole position adjustmentMG roller main pole position adjustment
(3)Developing bias voltage adjustmentSIM8-1
(4)Grid bias voltage adjustmentSIM8-2
(2)RSPF image lead edge position adjustmentSIM50-6
(3)Rear edge void adjustmentSIM50-1
(4)Paper off center adjustmentSIM50-10
(5)Left edge void area adjustmentSIM50-1-8
(6)Main scanning direction (FR direction) distortion
balance adjustment
(7)Sub scanning direction (scanning direction)
distortion adjustment
(8)Main scanning direction (FR direction) distortion
balance adjustment
(9)Main scanning direction (FR direction)
magnification ratio adjustment
(10) Sub scanning direction (scanning direction)
magnification ratio adjustment
(11) Off center adjustment (RSPF mode)SIM50-12
(12) OC (RSPF) open/close detection position
adjustment
(13) Original sensor adjustmentSIM41-2, 41-4 (41-1)
(14) RSPF white correction pixel position adjustment
(required in an RSPF model when replacing the
lens unit)
(15) RSPF scan position auto adjustmentSIM53-8
(1)Copy modeSIM46-2
(exposure) adjustment
No. 2/3 mirror base unit installing position
adjustment
Copy lamp unit installing position adjustment
Winding pulley position adjustment
Rail height adjustment
SIM48-1-1
a OC mode in copying (SIM 48-1-2)
b RSPF sub scanning direction magnification ratio
(SIM48-1-3, 48-1-4)
SIM41-3
SIM63-7
2. Details of adjustment
A. Process section
(1) Developing doctor gap adjustment
1) Remove the doctor cover.
2) Loosen the developing doctor fixing screw A.
3) Insert a thickness gauge of 1.5mm to the positions of three screws
on the developing docter as shown.
R
A
C
A
F
A
4) Tighten the developing doctor fixing screw.
5) Check the clearance of the developing doctor. If it is within the
specified range, then fix the doctor fixing screw with screw lock.
∗ When inserting a thickness gauge, be careful not to scratch the
developing doctor and the MG roller.
<Adjustment specification>
Developing doctor gap
F/C/R: 1.5
+0.1mm
-0.15mm
MX-M260/M310/M260N/M310N ADJUSTMENTS 5 - 1
(2) MG roller main pole position adjustment
1) Put the developing unit on a flat surface.
2) Tie a needle or pin on a string.
3) Hold the string and bring the needle close to the MG roller horizontally. (Do not use paper clip, which is too heavy to make a correct
adjustment.) (Put the developing unit horizontally for this adjustment.)
4) Do not bring the needle into contact with the MG roller, but bring it
to a position 2 or 3mm apart from the MG roller. Mark the point on
the MG roller which is on the extension line from the needle tip.
5) Measure the distance from the marking position to the top of the
doctor plate of the developing unit to insure that it is 9.1mm.
If the distance is not within the specified range, loosen the fixing
screw A of the main pole adjustment plate, and move the adjustment plate in the arrow direction to adjust.
A
9.1mm
(3) Developing bias voltage adjustment (SIM 8-1)
1) Execute SIM 8-1.
2) Touch the exposure mode to be changed.
3) Enter the set value with the 10-key.
4) Press the [START] key.
<Adjustment specification>
1AE (145) AE (145mm/s)
2TEXT (145)
3
4PHOTO (145) Photo (145mm/s) 450
5
6AE (122) AE (122mm/s) 450
7TEXT (122)
8
9PHOTO (122) Photo (122mm/s) 450
10
Min. unit: –10V increment
SIMULATION 8-1
SIMULATION 8-1
DV BIAS COPY SETTING. INPUT VALUE 200-550, AND PRESS
START.
1: AE426
2: TEXT450
3: TEXT/PHOTO450
4: PHOTO450
5: SUPER/PHOTO400
6: TONER SAVE376
426
1/1
The current set value is displayed.
Output is made with the entered value, and the display returns to
the original state.
ItemContent
Setting
range
Default
450
TEXT/PHOTO
(145)
TONER SAVE
(145)
Character
(145mm/s)
Character/Photo
(145mm/s)
Toner save
(145mm/s)
200-
450
450
400
650
TEXT/PHOTO
(122)
TONER SAVE
(122)
Character
(122mm/s)
Character/Photo
(122mm/s)
Toner save
(122mm/s)
450
450
400
(4) Grid bias voltage adjustment (SIM 8-2)
1) Execute SIM 8-2.
SIMULATION 8-2
2) Touch the exposure mode to be changed.
The current set value is displayed.
3) Enter the set value with the 10-key.
4) Press the [START] key.
Output is made with the entered value for 30sec, and the display
returns to the original state.
<Adjustment specification>
ItemContent
1 AE (145) AE (145mm/s)
2 TEXT (145)
TEXT/PHOTO
3
(145)
Character
(145mm/s)
Character/Photo
(145mm/s)
Setting
range
Default
590
590
590
4 PHOTO (145) Photo (145mm/s) 590
TONER SAVE
5
(145)
6 AE (122) AE (122mm/s) 590
7 TEXT (122)
TEXT/PHOTO
8
(122)
Toner save
(145mm/s)
Character
(122mm/s)
Character/Photo
(122mm/s)
350-
750
540
590
590
9 PHOTO (122) Photo (122mm/s) 590
TONER SAVE
10
(122)
Toner save
(122mm/s)
540
Min. unit: –10V increment
B. Mechanism section
(1) Print start position adjustment
1) Execute SIM 50-5.
SIMULATION 50-5
LEAD EDGE ADJUSTMENT(PRINT). INPUT VALUE 0-99, AND PRESS
START.
1: TRAY153
2: OPTION53
3: MANUAL53
4: DUPLEX53
2) Touch the item to be adjusted.
The item and the currently set value are highlighted.
3) Press the [P] key.
The display is shifted to the copy menu.
4) Select the paper feed tray, the print density, and the duplex mode.
Enter the adjustment value with the 10-key.
5) Press the [START] key.
Copying is started.
53
1/1
MX-M260/M310/M260N/M310N ADJUSTMENTS 5 - 2
ItemContentSetting range Default
1TRAY1
2OPTION
3MANUAL
4DUPLEX
1st tray0-99
Option tray
Manual feed
1-99
Back print
53
6) Measure the distance H between the paper lead edge and the
image print start position. Set the image print start position set
value again.
• 1 step of the set value corresponds to about 0.127mm shift.
• Calculate the set value from the formula below.
99 – H/0.127 (mm) = Image print start position set value
<H: Print start position measurement value (mm)>
0mm
5
10
∗ Fit the print edge with the paper edge, and perform the lead
0mm
edge adjustment.
Example:99 – 5/0.127 = 99 – 39.4 = about 59
Note : FIf the set value is not obtained from the above formula, per-
form the fine adjustment.
7) Execute SIM 50-1-2 to adjust the main tray lead edge void.
• 1 step of the set value corresponds to about 0.127mm shift.
• Calculate the set value from the formula below.
B/0.127 (mm) = Lead edge void adjustment value
<B: Lead edge void (mm)>
(2) RSPF image lead edge position adjustment
1) Set a scale on the OC table as shown below.
Note: Since the printed copy is used as a test chart, put the scale in
paralleled with the edge lines.
2) Make a copy, then use the copy output as an original to make an
RSPF copy again.
3) Check the copy output. If necessary, perform the following adjustment procedures.
4) Execute SIM 50-6.
5) Set the RSPF lead edge position set value so that the same image
is obtained as that obtained in the previous OC image lead edge
position adjustment.
<Adjustment specification>
Adjustment
mode
RSPF
image lead
edge
SIM Set valueSpec value
50-6 1 step:
0.127mm
shift
Lead edge void:
1 – 4mm
Image loss: 3mm or less
Setting
range
1 – 99
position
(3) Rear edge void adjustment
1) Set a scale as shown in the figure below.
A4 (8.5" x 11")
2.5mm
5
10
2.5mm
Example: When setting the lead edge void to 2.5mm:
2.5 /0.127 = about 20
<Adjustment specification>
Adjustment
mode
Main tray lead
edge void
Print start
position
SIMSet valueSpec value
50-1-2B/0.127Lead edge void:
1 – 4mm
50-5 99 – H/0.127
Image loss: 3mm
or less
[H: Print start position measurement value (mm),
B: Lead edge void (mm)]
Setting
range
1 – 99
Paper rear edge
2) Set the document size to A4 (8.5" x 11"), and make a copy at
100%.
3) If an adjustment is required, follow the procedures below.
Void amount (Standard value: 4mm or less)
Scale image
Paper rear edge
4) Execute SIM 50-1 and set the density mode to DEN-B. The currently set adjustment value is displayed.
5) Enter the set value and press the start key.
The correction value is stored and a copy is made.
<Adjustment specification>
Adjustment
mode
Rear edge
void
SIMSet value
50-1-6
1 step: 0.127mm
shift
Spec
value
4mm or
less
Setting
range
1 – 99
MX-M260/M310/M260N/M310N ADJUSTMENTS 5 - 3
(4) Paper off center adjustment
1) Set a test chart (UKOG-0089CSZZ) on the document table.
2) Select a paper feed port and make a copy.
3) Execute SIM 50-10.
SIMULATION 50-10
PRINT OFF-CENTER ADJUSTMENT. INPUT VALUE 1-99, AND
PRESS START.
1: BYPASS50
2: TRAY150
3: TRAY250
4: TRAY350
5: TRAY450
6: DUPLEX50
4) Touch the item to be adjusted.
The item and the currently set value are highlighted.
5) Press the [START] key.
The display is shifted to the copy menu.
6) Select the paper feed tray and the print density.
Enter the adjustment value with the 10-key.
7) Press the [START] key.
Copying is started.
ItemContentSetting rangeDefault
1
2
3
4
5
6
BYPASS
TRAY1
TRAY2
TRAY3
TRAY4
DUPLEX
Manual paper feed
1st tray
2nd tray
3rd tray
4th tray
Back print
<Adjustment specification>
Adjustment
mode
Paper off
center
SIMSet valueSpec value
50-10-2Add 1: 0.127mm
shift to R side.
Reduce 1:
Second
print surface
50-10
0.127mm shift to L
-6
side.
off-center
50
1/1
OK
1-9950
Single:
Center
±2.0mm
Duplex:
Center
±2.5mm
Setting
range
1 – 99
(5) Left edge void area adjustment
Note: Before performing this adjustment, be sure to check that the
paper off center adjustment (SIM 50-10) is completed.
1) Execute SIM 50-1.
SIMULATION 50-1
LEAD EDGE ADJUSTMENT. INPUT VALUE 1-99, AND PRESS START.
1: RRC-A432: DEN-A18
3: DEN-A -MANUAL 184: DEN-A -OPTION 18
5: DEN-A -DUPLEX 186: DEN-B3
7: DEN-B-DUP508: SIDE VOID18
9: SIDE VOID-DUP1810: LOSS(OC)3
2) Note down the adjustment value of SIM 50-5 (Items 1, 2, 3, 4), and
change the value to 99.
3) Set SIM 50-1 (Items 2, 3, 4, 5) to 1. (By setting to 1, there is no
void.)
4) Place a chart with a clear lead edge (or a ruler) on the OC document table.
5) Use SIM 50-1 (Item 1) to execute test print. Check the print out and
adjust so that the lead edge image is printed. (1 – 99: About
0.127mm/Step)
6) Reset the adjustment values of SIM 50-5 (Items 1, 2, 3, 4) to the
original values, and execute test print. Check the print out and
adjust so that the lead edge image is printed on the lead edge of
paper. (1 – 99: About 0.127mm/Step).
7) Adjust SIM 50-1 (Items 2, 3, 4, 5) so that the lead edge void on the
print out is the specified value. (1 – 99: About 0.127mm/Step)
8) Similar to procedure 7, adjust SIM 50-1 (Item 6, 7) so that the rear
edge void is the specified value. (1 – 99: About 0.127mm/Step)
9) Similar to procedure 7, adjust SIM 50-1 (Item 8, 9) so that the left
edge void is the specified value. (1 – 99: About 0.127mm/Step)
10) Make an enlargement copy (400%), and check that there is no
shade of the cabinet printed at the lead edge.
11) If there is a shade printed at the lead edge in procedure 9, adjust
SIM 50-1 (Item 10). (1 – 5: About 0.677mm)
* If there is no problem, set to 3.
ItemContent
1
RRC-A
Original scan start position
adjustment
Lead edge position
adjustment value (OC)
Image loss amount
adjustment (Lead edge
image loss set value) (OC)
<Adjustment specification>
Adjustment
mode
SIMSet value
Left edge void 50-1-81 step: 0.127mm
shift
43
1/1
OK
Setting
range
Default
1-9943
1-9918
1-9918
1-9918
1-9918
1-9950
1-9918
1-9918
1-53
Spec
value
Setting
range
0.5 – 4mm 1 – 99
MX-M260/M310/M260N/M310N ADJUSTMENTS 5 - 4
(6) Main scanning direction (FR direction) distortion
balance adjustment
1) Remove the OC glass, the right cabinet and the upper right side
cover.
1
5) Without moving the scanner drive pulley shaft, manually turn the
scanner drive pulley until the positioning plate is brought into contact with No. 2/3 mirror base unit, then fix the scanner drive pulley.
3
1
1
2) Loosen the copy lamp unit wire fixing screw.
1
2
6
5
4
4
6) Put No. 2/3 mirror base unit on the positioning plate again, push
the projections on the front frame side and the rear frame side of
the copy lamp unit to the corner frame, and tighten the wire fixing
screw.
Wire fixing screw
3) Manually turn the mirror base drive pulley and bring No. 2/3 mirror
base unit into contact with the positioning plate.
At that time, if the front frame side and the rear frame side of No. 2/
3 mirror base unit are brought into contact with the positioning
plate at the same time, the mirror base unit parallelism is proper.
If one of them is in contact with the positioning plate, perform the
adjustment of 4).
(7) Sub scanning direction (scanning direction) distortion
adjustment (Winding pulley position adjustment)
This adjustment must be performed in the following cases:
• When the mirror base drive wire is replaced.
• When the lamp unit, or No. 2/3 mirror holder is replaced.
• When a copy as shown is made.
La
Paper exit
direction
OriginalCopy
Lb
4) Loosen the set screw of the scanner drive pulley which is not in
contact with No. 2/3 mirror base unit positioning plate.
MX-M260/M310/M260N/M310N ADJUSTMENTS 5 - 5
1) Set A3 (11" x 17") white paper on the original table as shown
below.
Place a little clearance from
the rear side original guide.
<Adjustment specification>
La = Lb
6) Execute the main scanning direction (FR) distortion balance
adjustment previously described in 2) again.
(8) Main scanning direction (FR direction) distortion
balance adjustment (Rail height adjustment)
When there is no skew copy in the mirror base scanning direction and
there is no horizontal error (right angle to the scanning direction), the
adjustment can be made by adjusting the No. 2/3 mirror base unit rail
height.
Before performing this adjustment, be sure to perform the horizontal
image distortion adjustment in the laser scanner section.
This adjustment must be performed in the following cases:
• When the mirror base wire is replaced.
• When the copy lamp unit and no. 2/3 mirror unit are replaced.
• When the mirror unit rail is replaced and moved.
• When a following copy is made.
Glass holding plateA3 (11" x 17") white paper
Fit the paper edge and
the glass holding plate edge.
2) Open the original cover and make a normal (100%) copy.
3) Measure the width of the black background at the lead edge and at
the rear edge.
Paper exit direction
La: Lead edge black background width
Lb: Rear edge black background width
If the width (La) of the black background at the lead edge is equal
that (Lb) at the rear edge, there is no need to execute the following
procedures of 4) – 7).
4) Loosen the mirror base drive pulley fixing screw on the front frame
side or on the rear frame side.
• When La < Lb
Turn the mirror base drive pulley on the front frame side in the
arrow direction A. (Do not move the mirror base drive pulley shaft.)
• When La > Lb
Turn the mirror base drive pulley on the rear frame side in the
arrow direction A. (Do not move the mirror base drive pulley shaft.)
Rear side
A
OriginalCopy ACopy B
1) Make an original for the adjustment.
Make test sheet by drawing parallel lines at 10mm from the both
ends of A3 (11" x 17") white paper as shown below. (These lines
must be correctly parallel to each other.)
Parallel lineParallel line
10mm
10mm
10mm
10mm
White paper
2) Make a normal (100%) copy of the test sheet on A3 (11" x 17")
paper. (Fit the paper edge and the glass holding plate edge.)
3) Measure the distances (La, Lb, Lc, Ld) at the four corners as
shown below.
La
Lc
Paper exit
direction
Front side
5) Tighten the fixing screw of the mirror base drive pulley.
MX-M260/M310/M260N/M310N ADJUSTMENTS 5 - 6
B
LbLd
When La = Lb and Lc = Ld, no need to perform the procedures 4)
and 5).
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