Oki MB472w Maintenance Manual

MB472w

Maintenance Manual

110614A

Disclaimer

Every effort has been made to ensure that the information in this document is complete, accurate, and up-todate. The manufacturer assumes no responsibility for the results of errors beyond its control. The manufacturer also cannot guarantee that changes in software and equipment made by other manufacturers and referred to in this guide will not affect the applicability of the information in it. Mention of software products manufactured by other companies does not necessarily constitute endorsement by the manufacturer.

While all reasonable efforts have been made to make this document as accurate and helpful as possible, we make no warranty of any kind, expressed or implied, as to the accuracy or completeness of the information contained herein.

The most up-to-date drivers and manuals are available from the web site:

http://www.okiprintingsolutions.com

Oki Data CONFIDENTIAL

PREFACE

This manual provides an overview of method for maintaining the MB472dnw.

This manual is intended for maintenance staff. For more information about how to operate the

MB472dnw, please refer to User 's manual.

Note! • Manual may be revised and updated at any time without notice.

• Unexpected mistakes may exist in the manual. OKI will not assume any responsibility whatsoever for damage to the

• The parts used for this printer may be damaged when handling

• Please operate the machine after removing static electricity.

equipmentrepaired/adjusted/changed by the user etc with this manual.

inappropriately. We strongly recommend maintaining this machine by our registration maintenance staff.

Risk of explosion if battery is replaced by an incorrect type.

Battery of the printer need not to be replaced. Do not touch the

battery.

Replace the whole board to replace the SU board (MSU).

In the case of replacing batteries at board repairs, replace with the

speciﬁed type ones.

explosion.

Caution for used batteries are as follows; do not recharge, force open,

heat or dispose of in ﬁre.

Installation of another type batteries may result in

PREFACE

45762101TH Rev.1

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Oki Data CONFIDENTIAL

CONTENTS

1. CONFIGURATION .................................................................1-1

1.1 System conﬁguration ......................................................................................1-2

1.2 Structure of MFP ............................................................................................. 1-3

1.3 Offer of Options ...............................................................................................1-4

1.4 Speciﬁcations .................................................................................................. 1-5

1.5 Interface speciﬁcations .................................................................................1-11

1.5.1 USB Interface Speciﬁcation ......................................................................1-11

1.5.1.1 Outline of USB Interface ...................................................................1-11

1.5.1.2 USB Interface Connector and Cable ................................................1-11

1.5.1.3 USB Interface Signal ........................................................................1-11

1.5.2 Network Interface Speciﬁcation ................................................................1-12

1.5.2.1 Outline of Network Interface .............................................................1-12

1.5.2.2 Network Interface Connector and Cable ..........................................1-12

1.5.2.3 Network Interface Signal ..................................................................1-12

1.5.3 Telephone Line Interface Speciﬁcation .....................................................1-13

1.5.3.1 Outline of telephone Line Interface ..................................................1-13

1.5.3.2 Telephone Line Interface Connector and Cable ...............................1-13

1.5.3.3 Telephone Line Interface signal ........................................................1-13

1.5.4 USB Host Interface ...................................................................................1-13

1.5.4.1 Outline of USB Host Interface ..........................................................1-13

1.5.4.2 USB Host Interface Connector .........................................................1-13

1.5.4.3 USB Host Interface Signal ................................................................1-13

1.5.5 Wireless LAN Interface .............................................................................1-14

1.5.5.1 Outline of Wireless LAN ......................................................................1-14

2. TROUBLESHOOTING PROCEDURES ................................2-1

2.1 Precautions prior to repair ...............................................................................2-2

2.2 Items to be checked prior to taking action on abnormal images ...................... 2-2

2.3 Precautions when taking action on abnormal images ..................................... 2-2

2.4 Preparations for troubleshooting ......................................................................2-2

2.5 Troubleshooting method ...................................................................................2-3

2.5.1 LCD messages list .....................................................................................2-3

2.5.2 Service Call List .......................................................................................2-30

2.5.3 Fax Error List ............................................................................................2-33

2.5.4 Email/Internet FAX/FAX Server Error List ................................................2-34

2.5.5 Preparing for troubleshooting ...................................................................2-35

2.5.6 Print Troubleshooting ................................................................................ 2-62

2.5.7 Response after Flash compulsive initialization .........................................2-67

2.5.8 Copy Image Abnormality Error Troubleshooting ....................................... 2-67

2.5.9 Network Troubleshooting .......................................................................... 2-68

2.5.10 Wireless Troubleshooting .........................................................................2-69

2.6 Fuse Checking ............................................................................................... 2-70

3. MAINTENANCE MENUS .......................................................3-1

3.1 Maintenance Menu ..........................................................................................3-2

3.2 Service Bit Menu ............................................................................................. 3-9

3.3 Maintenance Utility ........................................................................................3-10

3.3.1 Maintenance Utility .................................................................................. 3-10

3.4 Self-diagnostic mode ....................................................................................3-11

3.4.1 Operator Panel ........................................................................................3-11

3.4.2 Ordinary self-diagnostic mode (level 1) ....................................................3-14

3.4.2.1 Entering self-diagnostic mode (level 1) ............................................3-14

3.4.2.2 Exiting self-diagnostic mode ............................................................. 3-14

3.4.2.3 Switch scan test ...............................................................................3-15

3.4.2.4 Motor clutch test ............................................................................... 3-17

3.4.2.5 Test print ........................................................................................... 3-19

3.4.2.6 Consumable item counter display ....................................................3-22

3.4.2.7 Number of print copies counter display ............................................3-22

3.4.2.8 Switching between the Factory mode and the Shipping mode ........3-23

3.4.2.9 Self-diagnostic function setting ......................................................... 3-23

3.4.2.10 LED head serial number display ......................................................3-24

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CONTENTS

3.4.2.11 NVRAM parameter setting ...............................................................3-24

3.4.3 Adjustment at part replacement ............................................................... 3-25

3.4.3.1 EEPROM data upload / download method .......................................3-25

3.5 Switch pressing function when power supply is turned on .............................3-26

3.6 Settings after Parts Replacement ..................................................................3-27

3.6.1 Notes on CU/PU board (MRM) replacement ............................................ 3-27

3.6.2 Notes on SU board (MSU)/Scanner Unit replacement ............................. 3-30

4. REPLACEMENT OF PARTS .................................................4-1

4.1 Notes on replacement of parts ......................................................................... 4-2

4.2 Part replacement procedure ............................................................................4-4

4.2.1 Cover Side (L) ............................................................................................4-4

4.2.2 Cover Side(R) .............................................................................................4-5

4.2.3 Board MRM ................................................................................................ 4-6

4.2.4 PWR unit .................................................................................................... 4-7

4.2.5 Cover Stay(R) / Cover Stay(L) ....................................................................4-8

4.2.6 Cover Front (Top) .......................................................................................4-9

4.2.7 SW Assy ..................................................................................................... 4-9

4.2.8 Scanner unit ............................................................................................. 4-10

4.2.8.1 Tray-assy-document / Cover-ADF-R-assy ........................................ 4-12

4.2.8.2 ADF-unit ...........................................................................................4-13

4.2.8.3 Sheet-document / Paper-weight-assy / Spring-PW-ADF ..................4-14

4.2.8.4 Hinge-assy-L / Hinge-assy-R ...........................................................4-15

4.2.8.5 Cover-ADF-F / Guide-assy-exit-sub / ADF-assy /

ADF board (MHD) ............................................................................4-16

4.2.8.6 Cover-assy-top-ADF / Guide-assy / Roller / Motor / Clutch /

Solenoid ...........................................................................................4-18

4.2.8.7 Guide-A-sub / Frame-assy-separator / Spring-separator /

Rubber-friction .................................................................................. 4-19

4.2.8.8 Cable (ADF-Rev SNS) ......................................................................4-19

4.2.8.9 Cable (ADF-Reg SNS) .....................................................................4-20

4.2.8.10 Frame-assy-OP ................................................................................4-20

4.2.8.11 Frame-OP-panel / OPE board ..........................................................4-21

4.2.8.12 LCD-assy .......................................................................................... 4-22

4.2.8.13 Frame-assy-FB .................................................................................4-23

4.2.8.14 How to remove Battery (SU Board MSU) ......................................... 4-25

4.2.8.15 Frame-assy-hopping-ADF ................................................................4-26

4.2.9 Plate Stay L / Plate Assy Stay R ..............................................................4-27

4.2.10 LED Head .................................................................................................4-28

4.2.11 Frame-Assy-TR ........................................................................................4-28

4.2.12 Duplex Belt Assy ......................................................................................4-29

4.2.13 DC Motor .................................................................................................4-29

4.2.14 Hopping Clutch / MPT Clutch / Regist Clutch ..........................................4-31

4.2.15 HV-Board / Motor-FAN ............................................................................4-34

4.2.16 Cover Assy Stacker .................................................................................. 4-35

4.2.17 Stacker Cover ........................................................................................... 4-36

4.2.18 Fuser Assy ...............................................................................................4-37

4.2.19 MPT Assy .................................................................................................4-38

4.2.20 Cover Assy Rear ......................................................................................4-39

4.2.21 Guide Eject Lower Assy ...........................................................................4-41

4.2.22 Eject Motor ...............................................................................................4-42

4.2.23 Plate Side R Assy / Plate Side L Assy / Front Assy .................................4-43

4.2.24 Plate Side L Assy .....................................................................................4-44

4.2.25 Plate Side R Assy ....................................................................................4-45

4.2.26 Roller Regist .............................................................................................4-46

4.2.27 Roller Feed Assy ......................................................................................4-46

4.2.28

Lever In Sensor / Lever WR Sensor / Photo Interrupter ....................................4-47

4.2.29 Paper feeding roller (Roller-Pick-Up, Roller-Feed-NOW) ................................4-48

4.2.30 Paper feeding roller (Roller-Assy-MPT) ....................................................4-49

4.2.31 Frame-Assy-Retard, Spring-Retard ..........................................................4-50

4.2.32 W-LAN Board ( for MB472dnw) ................................................................ 4-51

4.3 Lubrication point.............................................................................................4-52

4.3.1 Printer ....................................................................................................... 4-53

4.3.2 Scanner .................................................................................................... 4-63

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Oki Data CONFIDENTIAL

5. Periodic Maintenance ............................................................5-1

5.1 Cleaning ........................................................................................................... 5-2

5.2 Cleaning of LED lens array ..............................................................................5-3

5.3 Cleaning the Feed rollers and the Retard roller ...............................................5-4

5.4 Cleaning the MPT Feed rollers ........................................................................5-6

5.5 Cleaning Rollers in the ADF .............................................................................5-8

5.6 Cleaning the Document Glass .........................................................................5-9

6. CONNECTION DIAGRAMS ..................................................6-1

6.1 Connection diagram ......................................................................................... 6-2

6.2 Board Layout ....................................................................................................6-4

6.3 Resistance value ............................................................................................ 6-15

6.4 Firmware Information ..................................................................................... 6-17

6.4.1 ROM control numbers ..............................................................................6-17

6.4.2 Instruction of FW update .......................................................................... 6-17

6.4.3 Checking and indication of the revision number .......................................6-18

6.4.4 Stamp of maintenance board indication ................................................... 6-18

7. APPENDIX .............................................................................7-1

7.1 List of Initialized range .....................................................................................7-2

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Oki Data CONFIDENTIAL

CONFIGURATION

1.1 System conﬁguration ...................................................................1-2

1.2 Structure of MFP .........................................................................1-3

1.3 Offer of Options ...........................................................................1-4

1.4 Speciﬁcations ..............................................................................1-5

1.5 Interface speciﬁcations ..............................................................1-11

Oki Data CONFIDENTIAL

1. CONFIGURATION

1.1 System conﬁguration

System Conﬁgurations of the MFP Unit.

As the diagram 1-1 shows, for the MFP Unit is conﬁgured by Printer section and Scanner section.

Printer Section Scanner Section

USB 2.0

(10BASE-T/100BASE- TX/GigaBit Ether)

LAN

Wireless LAN module *

Entrance sensor

LED head

Toner cartri dge

Board

Image drum unit

Fuse

High voltage power supply

HUM/TEMP sensor

Fuser

FAN

Relay

terminal

Unit

Transfer roller

* is Option

Toner sensor board

Stacker cover open

Main print circuit board

Drum FAN

Power supply

FAN

Low voltage power

supply unit

AC inlet

Fuser unit

Halogen lamp

temperature sensor

FUSE

Thermostat

Write sensor

Faceup stacker open

sensor

2nd tray unit *

Main DC Motor

Hopping clutch (1st)

Hopping clutch (MPT)

Eject stepping motor

Paper end sensor (1st)

Paper end sensor (MPT)

Rear cover open sensor

Soft power SW

LCD

Operator panel board

Scan sensor

Reverse sensor

Cover Open sensor

Paper set sensor

ADF Motor

Host

Scanner Unit Board

ADF Relay

Board

Unit-CIS

FAX Unit Board

Speaker

FB Motor

Home Position sensor

Hopping Clutch

Revese Solenoid

Reverse Clutch

LINE

TEL

45762101TH Rev.1

Figure 1-1

1-2

Oki Data CONFIDENTIAL

1. CONFIGURATION

1.2 Structure of MFP

The insides of multi function printers are composed of the following parts.

• Scanner part

• Electronic photography process part

• Paper path

• Control part (CU part/PU part)

• Power supply parts (high voltage part/low voltage part)

Figure 1-2 shows the composition of the MFP.

45762101TH Rev.1

Figure 1-2

1-3

Oki Data CONFIDENTIAL

1. CONFIGURATION

1.3 Offer of Options

This product can be installed with the following option.

(1) Second Tray Unit

45762101TH Rev.1

1-4

Oki Data CONFIDENTIAL

1. CONFIGURATION

1.4 Speciﬁcations

Print speciﬁcations

Item MB472dnw

Segment DT Print speed (simplex) Print speed (duplex) A4 17ppm

Print Width A4 / Letter Time to First Print 5sec. Warm-up time from power on 30sec. Recovery time from deep sleep 7sec. Resolution Head 1200dpi

CPU Core MF2

RAM Resident 512MB

ROM 3.0GB (eMMC)

HDD/SD card (Data storage) No Connectivity Standard USB 2.0 ,10/100/Gigabit Ethernet,Wireless

Printer Language PCL5e, PCL6(XL), EPSON FX, IBM ProPrinter, XPS Fonts Scalable

A4 33ppm Letter 35ppm

Letter 17ppm

Maximum Input dpi Output dpi 1200x1200dpi , 600x600dpi ,

Clock 667MHz

Option No

Options No

Typefaces Bitmap Typefaces Barcode 10 types of one dimension with 26 variations:

1200x1200dpi

300x300dpi (driver support only)

Program + font area : 256MB Data storage area : 2.75GB

802.11abgn,Host USB x 1 (Front),RJ11x2 (Line/Tel)

87 PCL fonts

4 PCL fonts (Line Printer, OCR-A/B, USPS ZIP Barcode)

UPC-A, UPC-E, EAN/JAN-8, EAN/JAN-13, Interleaved2of5, Code39, Code 128, EAN/UCC-128, CODABAR, ZIP+4POSTNET 2 types of two dimensions : PDF417, Qrcode

Paper input

Item MB472dnw

Paper size

Minimum paper size

Maximum paper size

Paper weight

Paper Capacity

1st Tray A4,A5,A6,B5,Letter,Legal13/13.5/14,Executive,

Statement,16K (197 x 273),16K (195 x 270),

16K (184 x 260),Custom 2nd Tray (Option)

MPT A4,A5,A6,B5,Letter,Legal13/13.5/14,Executive,

Duplex A4,B5,Letter,Legal13/13.5/14,Executive,

1st Tray 3.9" x 5.8" (100 x 148mm) 2nd Tray (Option) MPT 3.4" x 5.5" (86 x 140mm) Duplex 7.2" x 10.1" (182x257mm) (B5 size) 1st Tray/ 2ndTray/ Duplex MPT 8.5" x 52" (216 x 1,321mm) 1st Tray/ 2ndTray/ Duplex MPT 16 - 43lb (60 - 163g/m 1st Tray 250 sheets (80g/m

2nd Tray (Option) MPT 100 sheets (80g/m

A4,A5,B5,Letter,Legal13/13.5/14,Executive,

16K (197 x 273),16K (195 x 270),16K (184 x 260),

Custom

Statement,16K (197 x 273),16K (195 x 270),

16K (184 x 260),4" x 6",5" x 7", Custom, C6, C5, DL,

Com-9, Com-10, Monarch,NAGAGATA #3,

NAGAGATA #4,YOUGATA #4,

HAGAKI,OUFUKU HAGAKI

16K (197 x 273),16K (195 x 270),16K (184 x 260)

5.8" x 8.3" (148x210mm) (A5 size)

8.5" x 14" (216 x 356mm) (Legal14 size)

16 - 32lb (60.16 - 120.32g/m

)

530 sheets (80g/m

)

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Oki Data CONFIDENTIAL

1. CONFIGURATION

Paper output

Acoustic noise Operating 54dBA

Power consumption Deep sleep

Power Requirment <Voltage>

Operating tempature 10 - 32 (C degree) Operating humidity 20 - 80 % Operation panel Type/Color Mono Graphic

Paper size

Paper weight

Paper Capacity

Item MB472dnw

Facedown Tray

A4,A5,A6,B5,Letter,Legal13/13.5/14,Executive, 16K (197 x 273),16K (195 x 270), 16K (184 x 260),Statement,Custom

Faceup Tray A4,A5,A6,B5,Letter,Legal13/13.5/14,Executive,

16K (197 x 273),16K (195 x 270),16K (184 x 260), Statement,Custom, Com-9, Com-10, Monarch, DL, C5, C6, 4" x 6", 5" x 7",HAGAKI, OUFUKU HAGAKI, NAGAGATA #3, NAGAGATA #4, YOUGATA #4, Banner up to 52"

Facedown

16 - 32lb (60.16 - 120.32g/m

) Tray Faceup Tray 16 - 43lb (60 - 163g/m Facedown

150 sheets (≦80g/m

)

) Tray Faceup Tray 100 sheets (≦80g/m

Operating

52dBA

)

(Quiet mode) Standby 30dBA Power save

Background level

mode

1.9W mode Power save

10W mode Idle 95W Typical

600W operation Peak 950W

ODA, Taiwan : 120V AC +/-10%

OEL, ODA230, AOS : 230V AC +/-10%

50/60Hz +/-2%

Size 3.5 inches Back Light Yes (White) LED Copy/Scan/Print/Fax(Blue),Status (Amber),Start

(Green x 2),Power save (Green),Data in memory

Item MB472dnw

Operation panel Switches Copy, Scan, Print, Fax, Status, Setting, Help,

Reset, Back, OK, Arrow(Up/Down/Left/Right), Numerical(0-9,*,#), Clear, Mono Start, Color Start, Stop, Power Save, Speed dial (Job macro), Shift,

One touch (x8),QWERTY keyboard Soft power switch

Buzzer Yes (Speaker) Dimension (inch./mm)

Width 16.8"/427mm Depth 16.7"/425mm Height 17.9"/455mm

Weight Approx. 20kg Printer life 200,000 pages or 5 years Max. Monthly Printer duty 60,000 pages Recommended Duty Cycle 250 to 3,000 pages MTBF (2.3% duty) 5,700 hours MPBF 24,000 pages MTTR 20 minutes Toner life

Image drum life at simplex (w/o power save)

Starter toner Approx. 2,000 pages (company standard) Supplies 3,000 pages / 7,000 pages (@ISO19752) Continuous 44,000 pages 3 pages per job 1 page per job

Image drum life at duplex (w/o power save)

Continuous 11,500 pages 6 pages per job 2 pages per job

Transfer roller life Equal to printer Life Fuser life Equal to printer Life

Front side : right bottom corner

30,000 pages

17,500 pages

10,500 pages

8,500 pages

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Oki Data CONFIDENTIAL

1. CONFIGURATION

Print Function Quiet mode Ye s

Remote Firmware update Ye s Certiﬁcation Energy star (ver.2), Blue Angel,

Item MB472dnw

Toner save mode Override A4/ Letter AirPrint Ye s Google Cloud Print USB direct print Secure Print Ye s Encrypt secure Print IC card reader

Ye s

Yes (for Printing)

Ye s

Yes (TIFF)

Ye s

TBD (by ﬁrmware update)

Wi-Fi certiﬁed (WPA2 enterprise supported)

Copy speciﬁcations

Item MB472dnw

Copy speed (Flatbed)

Copy speed (ADF simplex, multipul originals) Copy speed (ADF duplex, multipul originals) Time to ﬁrst copy 10sec Copy resolution Scan 300x300dpi, 300x600dpi, 600x600dpi

Original size Flatbed A4,A5,A6,B5,Letter,Executive

Original weight Flatbed N/A

Original capacity Flatbed N/A

Copy Scaling Auto,

Copy Quantity Selectcion up to 99 Document type selection Text, Photo/Text, Photo, Photo(Glossy) Image quality adjustment Density, Background removal, Contrast

A4 up to 33cpm Letter up to 35cpm A4 up to 33cpm Letter up to 35cpm

A4 16cpm Letter 16cpm

Print 600x600dpi Resolution selection

RADF(Simplex) A4,A5,A6,B5,Letter,Legal13"/13.5"/14",Executive

RADF(Duplex) A4,A5,B5,Letter,Legal13"/13.5"/14",Executive

RADF 16 - 28lb (60 - 105g/m

RADF 50 sheets (80g/m

High speed, Normal, High quality

Minimum size:N/A Maximum size:8.5"x11.69" (215.9x297mm)

Minimum size:4.13"x5.8" (105x148mm) Maximum size:8.5"x14" (215.9x355.6mm)

)

Manual : 25% - 400%, Preset : 100%, 70%(A4->A5), 78%(Legal14->Letter), 81%(Legal13.5->Letter), 84%(Legal13->Letter), 86%(A4->B5), 94%(A4->Letter), 97%(Letter->A4), 98%(Fit to page), 115%(B5->A4), 141%(A5->A4)

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Oki Data CONFIDENTIAL

1. CONFIGURATION

Copy function Duplex copy Yes (1 to 2, 2 to 1, 2 to 2)

Item MB472dnw

ID card copy Ye s Collate Ye s Continuous scan N in 1 Yes (2in1/4in1) Repeart Yes (x2/x4) Mixed originals Yes (comibination of Letter and Legal 13/13.5/14) Edge erase Yes (OFF, 2 to 50mm) Margin shift Yes (OFF,-25 to +25mm from left/top)

Ye s

Scan speciﬁcations

Item MB472dnw

Sensor type Color CIS

Optical resolution

Scan speed Flatbed 6 sec/page (A4, Gray, 300dpi),

ADF 2 sec/page (A4, Gray, 300dpi) ,

Original size Same as Copy speciﬁcations Scan to Function Email, Shared folder (CIFS/FTP/HTTP),

Scan to email, network PC, USB

Scan to computer (with Actkey)

Remote scan Mode Color, Grayscale, Binary, Halftone

Communication data storage Ye s

Mode Color, Grayscale, Binary Resolution 75, 100, 150, 200, 300, 400, 600dpi File format PDF, Secure PDF, High compression-PDF,

Document type selection Duplex scan Yes (OFF/Long edge bind/Short edge bind) Continuous scan (Job build) Image quality adjustment Edge erase Yes (OFF, 5 to 50mm) File compression level Address book 300 locations, 20 group address Scan proﬁle 50 proﬁles File system (scan to USB) Mode Color, Grayscale, Binary, Halftone Resolution 75, 100, 150, 200, 300, 400, 600dpi File format PDF（Multi/Single), TIFF（Multi/Single),

Resolution 75, 100, 150, 200, 300, 400, 600, 1200,

600dpi

11sec/page (A4, Color, 300dpi)

6sec/page (A4, Color, 300dpi)

USB, Computer(Local PC), Remote scan

S-TIFF/M-TIFF(RAW/G3/G4 Compressed), JPEG(color, grayscale only), XPS Text, Photo/Text, Photo, Photo(Glossy)

Ye s

Density, Background removal, Contrast, Hue, Saturation, RGB

Color / Grayscale : Low / Medium / High Binary : Raw / Medium / High

FAT12, FAT(FAT16), FAT32

JPEG, BMP, PCX, GIF, TGA, PNG, WMF, EMF

2400, 4800, 9600, 19200dpi, Custom(50 to 600dpi)

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Oki Data CONFIDENTIAL

1. CONFIGURATION

FAX speciﬁcations

Common speciﬁcations

Item MB472dw

Connetivity PSTN, PBX line Speed ITU-T G3 (Super G3) up to 33.6kbps, Approx.

2seconds/page Coding method MH, MR, MMR, JBIG Fax memory 4MB (Approx. 200pages) One-touch dials 16 dials (8 x 2 using Shift key) Speed dials 300 locations, 20 groups On hook dial Ye s Redial Ye s Internet Fax T.37 simple mode Original size A4, Letter, Legal13, Legal13.5, Legal14 Resolution Std, Fine, Ex-ﬁne, Photo Density control Yes (7 levels) Duplex scan/print Ye s Continuous scan Ye s FAX function TEl/TAD/FAX

auto switching Distinctive Ring Detection Automatic Tray select for Fax print Block junk FAX Ye s PC FAX Yes

Automated delivery Edge erase Ye s FAX reception image preview FAX to server (FAX gateway)

Ye s

(Letter&Legal13/13.5/14)

(sending only)

Ye s

Item MB472dw

Emulation PCL / SIDM / XPS

Network (wired) 10/100/Gigabit

Network (wireless) 802.11a/b/g/n (standard)

SD memory No

FDI No

Protocol TCP/IP v4, TCP/IP v6, NetBIOS over TCP, DHCP,

BOOTP, HTTP, HTTPS, DNS, DDNS, WINS, UPNP, Bonjour., SMTP, POP3, SNMPv1&v3, SNTP, IPP, IPPS, WSD Print, WSD Scan, LLTD, IEEE802.1X, LPR, Port9100, Telnet, FTP, IPSec, Secure Protocol Server, LDAP, LDAPS, CIFS, FTP, FTPS, SMTP, SMTPS, AirPrint, Google Cloud Print, WLAN

802.11abgn

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Oki Data CONFIDENTIAL

1. CONFIGURATION

Report Print

No Report Name

1 Conﬁguration Yes No

2 File List Yes No

3 Error Log Ye s No

4 Demo Page Ye s No

5 MFP Usage Report Yes No

6 Network Information Ye s No

7 PCL Font List Yes No

8 PSE Font List No No

9 PPR Font List Ye s No

10 FX Font List Ye s No

11 Engine Menu Print Yes* No

File System Check

Report

13 Scan To Log Report Ye s No

14 E-Mail Address List Yes No

15 Speed Dial List Yes No

16 Group List Ye s No

Transmit Journal,

Receipt Journal

Transmit Conﬁrmation

Report

19 Check Message No Ye s

20 F-CODE Box Journal No Ye s

21 Erased Report No Ye s

22 F-Code Box List Yes No

23 Block Junk Fax List Yes No

24 T30 Monitor Ye s No

E-mail/Internet FAX/

FAX Server Transmit

and Receipt Journal

Manual

Op Panel

No No

Ye s Ye s

No Ye s

Ye s Ye s

Auto

No Report Name

E-mail/Internet FAX

Transmit Conﬁrmation

Report

E-mail/Internet FAX

Check Message

Report

28 Network Syslog Print Ye s No

29 Print check Pattern Yes No

* Default settings is not to be displayed in a menu item.

Manual

Op Panel

No Ye s

Auto

45762101TH Rev.1

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Oki Data CONFIDENTIAL

1. CONFIGURATION

1.5 Interface speciﬁcations

1.5.1 USB Interface Speciﬁcation

1.5.1.1 Outline of USB Interface

(1) Basic Speciﬁcation

USB

(2) Transmission Mode

Hi speed (480Mbps±0.05% max.)

(3) Power Control

Self power device

1.5.1.2 USB Interface Connector and Cable

(1) Connector

• Printer side: B receptacle (female)

Upstream port

Equivalent of UBR24-4K5C00 (made by ACON)

(2) Cable

Cable length : Speciﬁcation Cable of USB2.0 spec. of less than 5m.(less

than 2m is recommended)

1.5.1.3 USB Interface Signal

Name of Single Function

1 Vbus Power Supply (+5V)(red)

2 D - Data transmission (white)

3 D + Data transmission (green)

4 GND Single ground (black)

Shell Shield

Connector pin arrangement

• Cable side: B plug (male)

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1. CONFIGURATION

1.5.2 Network Interface Speciﬁcation

1.5.2.3 Network Interface Signal

1.5.2.1 Network Interface Basic Speciﬁcation

Network Protocol

TCP/IP related

・

1.5.2.2 Network Interface Connector and Cable

(1) Connector

1000 Base-T/100 BASE-TX/10 BASE-T

(auto switch and simultaneous use are not available)

Connector pin arrangement

Pin No. Signal name Functions

1 TRD+(0) Transmit and receive Data 0 (+)

2 TRD-(0) Transmit and receive Data 0 (-)

3 TRD+(1) Transmit and receive Data 1 (+)

4 TRD+(2) Transmit and receive Data 2 (+)

5 TRD-(2) Transmit and receive Data 2 (-)

6 TRD-(1) Transmit and receive Data 1 (-)

7 TRD+(3) Transmit and receive Data 3 (+)

8 TRD-(3) Transmit and receive Data 3 (-)

(2) Cable

Unshielded twisted pair cable with RJ-45 connectors (category 5e or later)

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1. CONFIGURATION

6 1 6 1

TEL

LINE

1.5.3 Telephone Line Interface Speciﬁcation

1.5.4 USB Host Interface

1.5.3.1 Outline of telephone Line Interface

The machine will reliably communicate with distant stations over voice-level telephone line.

1.5.3.2 Telephone Line Interface Connector and Cable

Connector Type : RJ-11 Cable Type : TEL Cable (With RJ-11 plug)

Connector contact arrengement

1.5.3.3 Telephone Line Interface signal

Contact No. Functions

TEL 1 Unspeciﬁed

2 Unspeciﬁed 3 TCP 4 TCP 5 Unspeciﬁed 6 Unspeciﬁed

LINE 1 Unspeciﬁed

2 Unspeciﬁed 3 TCP 4 TCP 5 Unspeciﬁed 6 Unspeciﬁed

TCP : Terminal Connection Point

1.5.4.1 Outline of USB Host Interface

(1) Basic Speciﬁcation

USB

(2) Transmission Mode

Hi Speed (480Mbps±0.05% max.)

(3) Supply Power

Max. 500mA

(4) Connection devices

USB memory

1.5.4.2 USB Host Interface Connector

USB A plug connector

Equivalent of UBA-4R-D14-4DLF (JST Mfg. Co.,Ltd)

4321

Connector pin arrangement

1.5.4.3 USB Host Interface Signal

Name of Signal Function

1 Vbus Power Supply (+5V)(red)

2 D - Data transmission (white)

3 D + Data transmission (green)

4 GND Single ground (black)

Shell Shield

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Oki Data CONFIDENTIAL

1. CONFIGURATION

USB Port

1.5.5 Wireless LAN Interface

1.5.5.1 Outline of Wireless LAN

(1) Speciﬁcation

IEEE 802.11b/g/n (2.4GHz/5GHz)

(2) Power supply voltage

(3) MFP side interfaces

USB

Note! In using wireless LAN, don't connect a LAN cable to this product.

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TROUBLESHOOTING PROCEDURES

2.1 Precautions prior to repair ............................................................2-2

2.2 Items to be checked prior to taking action on abnormal images ..2-2

2.3 Precautions when taking action on abnormal images ..................2-2

2.4 Preparations for troubleshooting ...................................................2-2

2.5 Troubleshooting method ...............................................................2-3

2.6 Fuse Checking ............................................................................2-70

Oki Data CONFIDENTIAL

2. TROUBLESHOOTING PROCEDURES

2.1 Precautions prior to repair

(1) Conﬁrm the basic check items indicated in the User's Manual.

(2) Through hearing from the user, obtain information, as far in detail as possible, on the situation concerning the fault.

(3) Inspect the printer in a condition close to the actual situation in which the fault occurred.

2.2 Items to be checked prior to taking action on abnormal images

(1) Check to see if the printer is operated in an adequate environment.

(2) Check to see if the consumables (toner, drum cartridges) are replaced properly.

(3) Check to see if the right paper is used. See the paper speciﬁcations.

(4) Check to see if the drum cartridges are installed properly.

2.3 Precautions when taking action on abnormal images

(1) Do not bring your hand or any object in contact with the surface of the OPC drum.

(2) Do not expose the OPC drum to direct sun.

(3) Do not touch the fuser unit, which can be very hot.

(4) Do not expose the image drums to light for over ﬁve minutes at the room temperature.

2.4 Preparations for troubleshooting

(1) Display of LCD

The breakdown situation of this machine is display in LCD.

Do an appropriate trouble repair based on information displayed in LCD.

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2. TROUBLESHOOTING PROCEDURES

2.5 Troubleshooting method

If a trouble occurs in the printer, search for it by the following procedure:

Problem

generated

Problem is displayed in LCD.

Repair using the "LCD message list" (see 2.5.1 to 2.5.3).

Abnormal image (or problems that are not displayed in the LCD)

45762101TH Rev.1

Repair in detail using troubleshooting ﬂow (see 2.5.5).

Repair in detail using troubleshooting ﬂow (see 2.5.6 to 2.5.8).

2.5.1 LCD messages list

Initializing & Shutdown

PJL

No. Category

1 Initializing - 1

2 Initializing - 1

3 Initializing - 1

4 Initializing - 1

Status

Code

Error Warning Description

Menu Resetting Indicates that EEPROM of the 2 3 4 5

Wait a moment.

Network initializing ...

2 3 4 5

Flash Memory Format Displays that Flash memory is 2 3 4 5

Erasing Disk 2

%PERCENT% 3 4 5

controller side is being reset. The condition that EEPROM is reset includes the followings.

- Changes of destination channel

- Compulsive initialization of EEPROM

- Reset by a FactoryDefaults operator of PS

- OEM set of PJL command

The network is in initializing. If this status occurred during the unit initialinzing the message is displayed by English.

being formatted. It is displayed it when "Service Menu"-"System Maintenance""Format Flash Memory" of a system maintenance menu is performed. The function mentioned above is secret to users. Therefore, this status does not occur in a user environment.

Indicates that the Flash memory is being erased. Erase process of the Flash memory is valid to star t from "Management"-"Flash Memory Setup"-"Initialize" of Admin Setup Menu. %PERSENT% : A ratio of the capacity that elimination was ﬁnished.

2-3

Oki Data CONFIDENTIAL

2. TROUBLESHOOTING PROCEDURES

No. Category

5 Initializing - 1

6 Initializing - 1

PJL

Status

Code

Error Warning Description

%STORAGE% Error: %ERRCODE% To %STORAGE%

format, select [Format]

To shut down, select [Cancel]

4 5

Status Mode Displays that normal Online 2 3 4 5

%ERRCODE% : 0 Indicates that the unformatted storage is detected during the initializing.

%ERRCODE% : 250 Indicates that machine detected broken ﬁle about secure print. Needs to format once again.

[Format] pressed, Storage format is started and the unit is rebooted automatically.

[Cancel] pressed, the unit is shut down.

--------------------------------The following is changed by a status parameter. %STORAGE% : Multimedia Card

%ERRCODE% : Error Code

mode starts. Data (Job) from an external portion is processed even though an error takes place after Online (ready) state once this mode starts. Displays Error or Warning on a panel.

This function is secret to users. Therefore, this status does not occur in a user environment.

Normal

PJL

No. Category

1 Normal 40988 1

2 Normal 40825 1

3 Normal 40826 1

4 Normal 40827 1

Status

Code

Error Warning Description

PU downloading ... Downloading PU F/W (This is 2 3 4 5

Wait a moment. 2

Message Data processing ... 3

4 5

Wait a moment. 2

Message Data writing ... 3

4 5

Power OFF/ON 2

Message Data written OK. 3

4 5

not user-level error) This function is secret to users. Therefore, this status does not occur in a user environment. It occurs during downloading ﬁrmware of option tray.

Indicates that message data to be updated is being processed.

Indicates that message data to be updated is being written.

Indicates that message data to be updated has been written successfully.

7 Shutdown - 1

45762101TH Rev.1

Shutdown in progress. Please wait. The machine

turns off automatically.

3 4 5

It is shown that a unit is shutting down.

2-4

Oki Data CONFIDENTIAL

2. TROUBLESHOOTING PROCEDURES

No. Category

5 Normal 40828 1

6 Normal 30956 1

7 Normal 30993 1

8 Normal 10798 1

PJL

Status

Code

Error Warning Description

Please check data. Message Data Write Error

%CODE% 3 4 5

Wait a moment. 2

Network Conﬁguration writing ... 3

4 5

Wait a moment. 2

Network initializing ... 3

4 5

SIP update in progress. Indicates that downloading 2 3 4 5

Indicates that writing of message data to be uploaded has been failed. %CODE% is a decimal value (one digit) and represents the cause of failure in writing.

= 1 … FAIL: Other errors. = 2 … DATA _ERROR: Hash

check error in data reading/writing, or abnormal FLASH

= 3 … OVERFLOW:

Downloading failure due to FLASH memory full at star ting or during writing in a language ﬁle

= 4 … MEMORYFULL:

Memory reservation failure

= 5 … UNSUPPORTED_

DATA: Downloading data unsupported on the MFP

This appears during the NIC conﬁguration data is storing into the ﬂash memory, as the setting was changed.

This appears when the NIC initialization is occurred, as the setting was changed.

the SIP ﬁrmware data.

PJL

No. Category

Status

Code

9 Normal - 1

10 Normal 10795 1

11 Normal 10796 1

12 Normal 10759 1

13 Normal 10001 1

Error Warning Description

Please check data.

Program Data Write Error

<%DLCODE%>

3 4 5

%RDYMSG% Indicates that the unit date is 2 3 4 5

%RDYMSG% Indicates that the requested 2 3 4 5

Wait a moment. 2

Executing maintenance. 3

4 5

Online Mode 2

Ready to print. 3

4 5

Indicates that an error has happened while writing the SIP download data. %DLCODE% 1: Data transfer error 2: No device space 3: Check sum error 4: Chip detection error 5: Chip erace error 6: Chip writing error 7: Chip verify error

Data error

(Product code is wrong e.t.c.)

9: Data size error

being updated by using PJL command.

process is ﬁnished. "Passed" is displayed, if the process is completed correctly. "Failed" is displayed, if the process is ﬁnished with an error. This indication disappear automatically after it displayed for three seconds.

Executing maintenance. While this status occurs, panel is locked.

Shows Online status.

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2. TROUBLESHOOTING PROCEDURES

No. Category

14 Normal 10002 1

15 Normal 10993 1

16 Normal 10061 1

17 Normal 10 023 1

18 Normal 10096 1

19 Normal 10098 1

PJL

Status

Code

Error Warning Description

Ofﬂine

3 4

------------------------------

Ofﬂine Mode

File accessing ... The status showing FILE 2 3 4 5

Data arrive. Data receiving, process not 2 3 4 5

Processing ... Data receiving or output 2 3 4 5

Data present. Un-printed data remains in 2 3 4 5

Print page %PAGES% No. of

Copies %A%/%B% 2

3 4 5

Shows Ofﬂine status.

SYSTEM (FLASH) is being accessed.

started yet. Displayed mainly during PJL process without text print data or during job spooling.

processing

Buffer. Waiting for data to follow.

Printing the following print job and reports.

- PC Printing

- Engine Status

- File System Error Report

- T30 Monitor

- MFP Usage Report "Print page" means the current number of printing page (%PAGES%). "No of Copies" is displayed as "%A% /%B %". %A%: The number of copy in printing. %B%: the total number of printing.

PJL

No. Category

Status

Code

20 Normal 10017 1

21 Normal 10015 1

22 Normal 10014 1

23 Normal 10056 1

24 Normal 10057 1

25 Normal 10942 1

26 Normal 10891 1

Error Warning Description

Demo Page printing ... Printing Demo Pages. 2 3 4 5

Font List printing ... Printing Font Lists. 2 3 4 5

Conﬁguration printing ... Printing Conﬁguration. 2 3 4 5

File List printing ... Printing File Lists. 2 3 4 5

Error Log printing ... Printing Error Logs 2 3 4 5

Network Information printing ... It is shown that a network 2 3 4 5

MFP Usage printing ... Printing MFP Usage Report. 2 3 4 5

Indicates that the stored Demo Print data is printing, and the installed Demo Print data in Flash is printing.

Indicates that printing sample data of the following fonts.

- PCL Font List

- PPR Font List

- FX Font List

Indicates that printing of menu items and the current settings.

Indicates that printing of the stored File (except hidden ﬁles) list in File system(FLASH).

setup is printing.

- Network Information

- Network Syslog If chosen by menu "Repor ts""System"-"Network Information", printing of a network setup will be started.

45762101TH Rev.1

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Oki Data CONFIDENTIAL

2. TROUBLESHOOTING PROCEDURES

No. Category

27 Normal 10889 1

28 Normal 10099 1

PJL

Status

Code

Error Warning Description

Scan To Log printing ... Printing Scan to Log. 2 3 4 5

Print page %PAGES% No. of

Copies %A%/%B% 2

3 4 5

Collate printing. "Print page" means the current number of printing page (%PAGES%). "No of Copies" is displayed as "%A% /%B %". %A%: The number of copy in printing. %B%: the total number of printing.

The unit of "Print page" is "Impression". In simplex printing, "Print page" counter is increased by 1 when the paper exited from fuser. In duplex printing, "Print page" counter is increased by 2 when the paper exited from fuser (after the back side printed out).

PJL

No. Category

Status

Code

29 Normal 10099 1

30 Normal 10 897 1

31 Normal 10007 1

32 Normal 10007 1

Error Warning Description

Print page %PAGES% No. of

Copies %A%/%B%

2 3 4 5

Verifying data. Indicates that the integrity 2 3 4 5

Deleting data. Indicates that job cancellation 2 3 4 5

Deleting data. Indicates if JAM occurs 2 3 4 5

Copy printing. "Print page" means the current number of printing page (%PAGES%). "No of Copies" is displayed as "%A% /%B %". %A%: The number of pages in printing. %B%: The total number of printing.

of print data for encrypted authentication is being veriﬁed (for corruption and tampering).

has been instructed and data is being ignored until the job completion.

when Jam Recover is OFF, that job cancellation has been instructed and data is being ignored until the job completion.

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2. TROUBLESHOOTING PROCEDURES

No. Category

33 Normal 10007 1

34 Normal 10989 1

35 Normal 10003 1

36 Normal - 1

37 Normal 10863 1

PJL

Status

Code

Error Warning Description

Deleting data. Indicates a job being 2 3 4 5

Warming Up. Shows cooling down status. 2 3 4 5

Warming up Warming up. 2 3 4 5

Cancelling ... Indicates that copy job is 2 3 4 5

<Scan To Mail / Network PC 2

Screen> 3

Scanning ... 4

P.%SCAN_PAGE%

%LOCATION_INFO%

%DOC_SIZE%

cancelled due to no print permit. (Related to JobAccount)

1. A job received from a user who is denied printing.

2. A color job received from a user who is denied color printing.

It is cautious of a period following "Preparing".

cancelling.

Indicates that it is scanning of documents.

The unit of "Page" is "Impression". In duplex scanning, "Page" counter is increased by 1 when the front side of sheet scanning started, and the counter is increased by 1 when the back side scanning started.

PJL

No. Category

Status

Error Warning Description

Code

37 Normal 10863 < ScanTo USB Mem ory>

Scanning ...

P.%SCAN_PAGE%

%DOC_SIZE%

Scanning ...

%SCAN_PAGE%page

%AP_INFO%

Scanning ...

Scanning ...

Scanning ...

%TXPAGE% Page(s)

%DOC_SIZE%

Manual Fax sending: Sending ...

%TXPAGE% Page(s)

%DOC_SIZE%

%LOCATION_INFO%: Location Information (Scan To E-mail, Scan To Network PC only) %SCAN_PAGE% : the number of current scanning page. %DOC_SIZE% : Document size Scan Size setting is "Auto" : the detected document size. Scan Size setting isn' t "Auto" : the selected scan size.

-------------------------------------Indicates that it is scanning of documents by Sca nToUS BMe mor y.

%SCAN_PAGE%: the number of current scanning page. %DOC_SIZE%: Document size Scan Size setting is "Auto" : the detected document size. Scan Size setting isn' t "Auto" : the selected scan size.

-------------------------------------Indicates that it is scanning of documents by Push Scan / PC Scan. %AP_INFO% : Selected application setting.

While a document is scanned by FAX memory transmission, status LED does not illuminate because this status is not raise.

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Oki Data CONFIDENTIAL

2. TROUBLESHOOTING PROCEDURES

No. Category

38 Normal -

39 Normal - 1

40 Normal 10861 1

PJL

Status

Code

Error Warning Description

<Sc a nToPrin t AP > Scan Pages sss

Print Pages ppp

Copy aa/bb

3 4 5

----------

It cannot conﬁrm this message from a status key.

Please set next document.

3 4

------------------------------

Please set next document.

Cancelling ... Indicates that the scanning for 2 3 4 5

Indicates that it is copying. sss: the number of current scanning page. ppp: the number of current printing page. aa: the number of current printing. bb: the total number of printing.

The unit of "Scanned pages" is "Impression". For example, in duplex scanning, "Scanned pages" counter is increased +1 at the front side of sheet scanning started, and the counter is increased +1 at the back side scanning started.

The unit of "Print pages" is "Impression". In simplex printing, "Print page" counter is increased by 1 when the paper exited from fuser. In duplex printing, "Print page" counter is increased by 2 when the paper exited from fuser (after the back side printed out).

This screen is displayed at the time of the scanning completed in Job Build = ON.

Scan To is cancelling by the pressing Stop key.

PJL

No. Category

Status

Code

41 Normal 10 859 1

42 Normal 10797 1

43 Normal - 1

44 Normal - 1

Error Warning Description

Data writing to USB Memory. Indicates that it is wrighting 2 3 4 5

Connecting to PC ... Indicates that it is connecting 2 3 4 5

Telephone Indicates that tha fax 2 3 4 5

Fax receiving ... 2 3

Page: %RXPAGE% 4

========

[F-code PollingRX]

Fax receiving ...

Page: %RXPAGE%

%R XFA XN UMBER %

the image ﬁle to USB memor y after the scanning completed.

The cancel operation by STOP key pressing is unsupported during the writing to USB memory.

to PC. This message will be displayed at Start key pressed after the orignal document set.

receiving started.

Indicates that it is receiving fax data. %RXPAGE% : number of the current receiving page %RXFAXNUMBER% : sender Fax no. PollingRX only）

In the case that the F-code PollingRX is done by using speed dial, display ﬁeld is the following... A dial number is displayed during dialing An entry name is displayed in fax no. ﬁeld during fax receiving.

（※Ｆ

-code

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2. TROUBLESHOOTING PROCEDURES

No. Category

45 Normal - 1

46 Normal - 1

47 Normal - 1

PJL

Status

Code

Error Warning Description

Fax receiving ... 2 3

Page: %RXPAGE% 4

========

[F-code PollingRX]

Fax receiving ...

Page: %RXPAGE%

%R XFA XN UMBER %

Fax calling ... 2 3 4

%TXFAXNUMBER% 5

Fax calling ... 2 3 4

%TXFAXNUMBER% 5

Indicates that it is receiving fax data. %RXPAGE% : number of the current receiving page %RXFAXNUMBER% : sender Fax no. PollingRX only）

Indicates that it is calling. %TXFAXNUMBER%： fax number of the calling.

Indicates that it is negotiating. %TXFAXNUMBER%： fax number of the calling.

（※Ｆ

-code

PJL

No. Category

Status

Code

48 Normal - 1

49 Normal - 1

Error Warning Description

Fax sending ... 2 3

Page: %TXPAGE% 4

%TXFAXNUMBER% 5

========

[F-code PollingTX]

Fax sending ...

Page: %TXPAGE%

Fax sending ... 2 3

Page: %TXPAGE% 4

%TXFAXNUMBER% 5

========

[F-code PollingTX]

Fax sending ...

Page: %TXPAGE%

Indicates that it is sending fax data. %TXPAGE% : number of the current receiving page %TXFAXNUMBER% : recipient Fax no.(Not display on F-code PollingTX) In the case of manual fax sending, "Manual Fax sending: Sending ..." is displayed on LCD. Scan page count and document size are displayed in the left bottom. Page number, Fax no. are not displayed. In the case that the fax sending is done by using speed dial, fax no. is displayed during both dialing and sending.

45762101TH Rev.1

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+ 194 hidden pages

Oki MB472w Maintenance Manual

Specifications and Main Features

Frequently Asked Questions

User Manual