Brother MFC-J2320 User manual

Confidential

Brother Inkjet DCP/MFC

SERVICE MANUAL

MODELS: MFC-J2320/J2720

MFC-J5320DW/J5520DW

MFC-J5620DW/J5625DW

MFC-J5720DW/J5920DW

May 2014

SM-FAX158

8CAU*(4)

Read this manual thoroughly before maintenance work.

Keep this manual in a convenient place for quick and easy reference at all times.

Confidential

Trademarks

Microsoft, Windows, Windows NT, Windows Vista, Windows Server, Internet Explorer, Outlook and

PowerPoint are either registered trademarks or trademarks of Microsoft Corporation in the United

States and/or other countries.

Apple, Macintosh, Mac OS and Safari, iPad, iPhone, iPod touch and OS X are trademarks of Apple

Inc., registered in the United States and other countries.

AirPrint is a trademark of Apple Inc.

Adobe, Illustrator and Reader are either registered trademarks or trademarks of Adobe Systems

Incorporated in the United States and/or other countries.

Nuance, the Nuance logo, PaperPort and ScanSoft are trademarks or registered trademarks of Nuance

Communications, Inc. or its affiliates in the United States and/or other countries.

Memory Stick PRO Duo, Memory Stick Duo, MagicGate, Memory Stick Micro and M2 are trademarks of

Sony Corporation.

SDHC Logo is a trademark of SD-3C, LLC.

AOSS is a trademark of Buffalo Inc.

Wi-Fi, Wi-Fi Alliance, Wi-Fi Protected Access are registered trademarks of the Wi-Fi Alliance.

WPA, WPA2, Wi-Fi Protected Setup, Wi-Fi Protected Setup logo and Wi-Fi Direct are trademarks of the

Wi-Fi Alliance.

FLICKR is a registered trademark of Yahoo! Inc.

Android, Google Cloud Print, Google Drive and Picasa Web Albums are trademarks of Google, Inc. Use

of these trademarks are subject to Google Permissions.

Mozilla and Firefox are registered trademarks of the Mozilla Foundation.

UNIX is a registered trademark of The Open Group in the United States and other countries.

Linux is the registered trademark of Linus Torvalds in the U.S. and other countries.

The Bluetooth word mark is a registered trademark owned by Bluetooth SIG, Inc. and any use of such

marks by Brother Industries, Ltd. is under license.

Intel is a trademark of Intel Corporation in the U.S. and/or other countries.

EVERNOTE and the Evernote Elephant logo are trademarks of Evernote Corporation and used under a

license.

Each company whose software title is mentioned in this manual has a Software License Agreement

specific to its proprietary programs.

Any trade names and product names of companies appearing on Brother products, related

documents and any other materials are all trademarks or registered trademarks of those

respective companies.

Open Source Licensing Remarks

This product includes open-source software.

To see the open source licensing remarks, please go to the manual download selection on your

model's home page of Brother Solutions Center at http://solutions.brother.com/.

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The table below shows the functional comparison between the models covered by this

manual.

MFC-J2320 MFC-J2720 MFC-J5320DW MFC-J5520DW/

MFC-J5620DW/

MFC-J5625DW

MFC-J5720DW/

MFC-J5920DW

LCD 2.7 inch TFT 3.7 inch TFT 2.7 inch TFT 3.7 inch TFT

Lower Tray --- --- --- 

MP Tray --- --- 

Duplex scan --- --- --- 

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TABLE OF CONTENTS

REGULATION......................................................................................................................... ix

SAFETY INFORMATION...................................................................................................... xiv

CHAPTER 1 SPECIFICATIONS ......................................................................................... 1-1

1 GENERAL ...................................................................................................................... 1-1

1.1 General.................................................................................................................. 1-1

1.2 Media Specification ............................................................................................... 1-1

1.3 Paper Handling...................................................................................................... 1-2

1.4 LCD Panel ............................................................................................................. 1-2

1.5 Memory.................................................................................................................. 1-3

1.6 Interface................................................................................................................. 1-3

1.7 Others.................................................................................................................... 1-4

2 FAX................................................................................................................................. 1-4

3 PRINTER ........................................................................................................................1-5

4 COPY.............................................................................................................................. 1-5

5 SCANNER ...................................................................................................................... 1-6

6 SOFTWARE ................................................................................................................... 1-6

7 NETWORK ..................................................................................................................... 1-7

7.1 Network ................................................................................................................. 1-7

7.2 Wired ..................................................................................................................... 1-7

7.3 Wireless................................................................................................................. 1-7

8 SUPPLIES/OPTIONS..................................................................................................... 1-8

9 SERVICE INFORMATION.............................................................................................. 1-8

10 PAPER ........................................................................................................................... 1-9

10.1 Paper ..................................................................................................................... 1-9

10.2 Printable Area...................................................................................................... 1-12

CHAPTER 2 TROUBLESHOOTING................................................................................... 2-1

1 INTRODUCTION ............................................................................................................ 2-1

1.1 Precautions............................................................................................................ 2-1

1.2 Initial Check........................................................................................................... 2-1

2 OVERVIEW .................................................................................................................... 2-3

2.1 Cross-section Drawings......................................................................................... 2-3

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2.1.1 Document scanning ...................................................................................... 2-3

2.1.2 Printer part .................................................................................................... 2-4

2.2 Document Feeding Path/Recording Paper Feeding Path .....................................2-5

2.2.1 Document Feeding Path ............................................................................... 2-5

2.2.2 Recording Paper Feeding Path..................................................................... 2-5

2.3 Parts Names and Functions .................................................................................. 2-6

2.4 Block Diagram ....................................................................................................... 2-8

2.5 Components .......................................................................................................... 2-9

3 ERROR INDICATION................................................................................................... 2-10

3.1 Error Code ........................................................................................................... 2-10

3.2 Error Messages .................................................................................................. 2-14

3.3 Communications Error ........................................................................................ 2-16

4 TROUBLESHOOTING ................................................................................................. 2-20

4.1 Error Cause and Solutions .................................................................................. 2-20

4.2 Recording Paper Feeding Problems ................................................................... 2-57

4.2.1 Paper is not fed from paper tray.................................................................. 2-57

4.2.2 Paper is not fed from manual feed slot ....................................................... 2-59

4.2.3 Paper is not fed from MP tray .....................................................................2-59

4.2.4 Two or more sheets of paper are fed from the paper tray........................... 2-60

4.2.5 Two or more sheets of paper are fed from the MP tray. ............................. 2-60

4.2.6 Paper feeding at an angle........................................................................... 2-60

4.2.7 Recording paper jam................................................................................... 2-61

4.2.8 Prints only single side of the paper when duplex-printing...........................2-66

4.3 Print-image Problems .......................................................................................... 2-67

4.3.1 Defective images......................................................................................... 2-67

4.3.2 Print-image problems .................................................................................. 2-68

4.4 Software-related Problems .................................................................................. 2-78

4.4.1 Cannot print data......................................................................................... 2-78

4.5 Network Problems ............................................................................................... 2-79

4.5.1 Cannot make a print through network connection.......................................2-79

4.6 Control Panel Problems....................................................................................... 2-80

4.6.1 No display on LCD ...................................................................................... 2-80

4.6.2 No display on LED ...................................................................................... 2-80

4.6.3 The control panel does not work................................................................. 2-80

4.6.4 Touch panel inoperative.............................................................................. 2-80

4.7 Document Feeding Problems .............................................................................. 2-81

4.7.1 Document can not be fed............................................................................ 2-81

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iii

4.7.2 Document double feeding ........................................................................... 2-81

4.7.3 Document jam ............................................................................................. 2-82

4.7.4 Wrinkles on documents............................................................................... 2-84

4.7.5 Document size not correctly detected .........................................................2-84

4.8 Scanned-image Problems ................................................................................... 2-85

4.8.1 Defective images ........................................................................................ 2-85

4.8.2 Troubleshooting from image defect............................................................. 2-85

4.9 Fax Problems ...................................................................................................... 2-90

4.9.1 No faxes can be sent .................................................................................. 2-90

4.9.2 No faxes can be received............................................................................ 2-90

4.9.3 A communications error occurs................................................................... 2-91

4.10 Other Problems ................................................................................................... 2-92

4.10.1 The machine cannot be powered on........................................................... 2-92

4.10.2 Memory card/PictBridge does not function (no response) .......................... 2-92

4.10.3 Data of memory card/PictBridge does not read ..........................................2-92

4.10.4 Internal memory errors................................................................................ 2-93

4.10.5 Security Function Lock related problems.................................................... 2-93

4.10.6 Remaining ink related problems.................................................................. 2-93

4.10.7 Ink absorber box related problems.............................................................. 2-93

CHAPTER 3 DISASSEMBLY AND ASSEMBLY ............................................................... 3-1

1 PRECAUTIONS BEFORE PROCEEDING .................................................................... 3-1

2 PACKING ....................................................................................................................... 3-3

3 SCREW CATALOGUE................................................................................................... 3-5

4 SCREW TORQUE LIST ................................................................................................. 3-6

5 LUBRICATION ............................................................................................................... 3-7

6 OVERVIEW OF GEARS............................................................................................... 3-12

7 ROUTING OF HARNESSES........................................................................................ 3-13

8 DISASSEMBLY FLOW ................................................................................................ 3-21

9 DISASSEMBLY PROCEDURE.................................................................................... 3-22

9.1 Preparation.......................................................................................................... 3-22

9.2 MP Paper Detection Sensor PCB ASSY ............................................................. 3-26

9.3 MP Tray ASSY .................................................................................................... 3-28

9.4 Scanner Cover Damper/Scanner Cover Support ................................................ 3-29

9.5 ADF Unit/Document Scanner Unit....................................................................... 3-30

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9.6 ADF Hinge L/R .................................................................................................... 3-36

9.7 ADF Cover........................................................................................................... 3-36

9.8 ADF Document Support ...................................................................................... 3-39

9.9 Document Top Cover .......................................................................................... 3-42

9.10 Document Separation Roller ASSY..................................................................... 3-42

9.11 ADF Separation Pad Holder ASSY ..................................................................... 3-43

9.12 Second Side CIS Unit (Duplex scanning models only)........................................3-44

9.13 Second Side CIS Flat Cable (Duplex scanning models only).............................. 3-46

9.14 Document Detection Sensor PCB/First Side Document Scanning Position

Sensor PCB/Second Side Document Scanning Position Sensor PCB ............... 3-49

9.15 First Side CIS Unit ............................................................................................... 3-50

9.16 First Side CIS Flat Cable..................................................................................... 3-52

9.17 Upper Cover ........................................................................................................ 3-54

9.18 Ink Cartridge Cover ............................................................................................. 3-55

9.19 Front Cover.......................................................................................................... 3-55

9.20 Media Module Cover ........................................................................................... 3-56

9.21 Ink Absorber Box................................................................................................. 3-57

9.22 Control Panel ASSY ............................................................................................ 3-58

9.23 Wireless LAN PCB ASSY.................................................................................... 3-60

9.24 Main PCB ASSY.................................................................................................. 3-61

9.25 Sensor Relay PCB ASSY.................................................................................... 3-63

9.26 Modem PCB ASSY.............................................................................................. 3-64

9.27 Carriage PCB ASSY............................................................................................ 3-65

9.28 Head Joint Rubber............................................................................................... 3-69

9.29 Head/carriage Unit and CR Timing Belt .............................................................. 3-71

9.30 Paper Tray 2 Detection Sensor/T2 Paper Pull-in Roller/T2 Bank ASSY ............. 3-75

9.31 Jam Clear Cover..................................................................................................3-79

9.32 T1 Bank ASSY..................................................................................................... 3-80

9.33 Power Supply PCB ASSY ................................................................................... 3-81

9.34 Ink Refill ASSY/Ink Absorber Felt (for Ink Refill ASSY)....................................... 3-84

9.35 Ink Cartridge Cover Sensor ASSY ......................................................................3-86

9.36 CR Encoder Strip................................................................................................. 3-87

9.37 Flushing Base...................................................................................................... 3-88

9.38 Carriage Motor ASSY .......................................................................................... 3-90

9.39 Switchback Roller ................................................................................................ 3-91

9.40 Flushing Box........................................................................................................ 3-93

9.41 PF Encoder Disk/PF Encoder PCB ASSY...........................................................3-94

9.42 Paper Feed Motor................................................................................................ 3-96

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9.43 Paper Feed Roller ............................................................................................. 3-100

9.44 Paper Ejection Roller......................................................................................... 3-101

9.45 Platen ................................................................................................................ 3-103

9.46 Maintenance Unit/Ink Absorber Felt (for Maintenance Unit)..............................3-104

9.47 Inner Chute ASSY ............................................................................................. 3-105

9.48 Registration Sensor PCB ASSY........................................................................ 3-107

9.49 T1 Base Pad...................................................................................................... 3-108

9.50 T2 Base Pad...................................................................................................... 3-109

9.51 T1 Paper Pull-in Roller ...................................................................................... 3-110

CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER

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

1 IF YOU REPLACE THE MAIN PCB............................................................................... 4-1

1.1 Customize destinations (Maintenance mode 74) ..................................................4-3

1.2 Set the CIS type (Maintenance mode 59) ............................................................. 4-3

1.3 Install the firmware (Maintenance mode 28) .........................................................4-3

1.4 Initialize the EEPROM parameters (Maintenance mode 01)................................. 4-5

1.5 Restore the head calibration data (Maintenance mode 68)...................................4-5

1.6 Set the serial number (Maintenance mode 80) ..................................................... 4-5

1.7 Updating of head property data and backup/restoration of head calibration data

(Maintenance mode 68)......................................................................................... 4-6

1.8 Restore machine information (Maintenance mode 46).......................................... 4-6

1.9 Adjust the touch panel (Maintenance mode 78) .................................................... 4-6

1.10 Acquire white/black level data (Maintenance mode 55) ........................................ 4-7

1.11 Adjustment of software correction for inclination/corrugation/ruled lines

(Maintenance mode 65)......................................................................................... 4-7

1.12 Updating of paper feeding correction values (Maintenance mode 58) .................. 4-7

1.13 Adjustment of margins in borderless printing (Maintenance mode 66) ................. 4-7

1.14 Reset purge and flushing counts........................................................................... 4-7

1.15 Write head calibration data (Maintenance mode 02)............................................. 4-7

1.16 Check scanning and printing ................................................................................. 4-8

2 IF YOU REPLACE THE HEAD/CARRIAGE UNIT......................................................... 4-9

2.1 Update the head property data (Maintenance mode 68)..................................... 4-10

2.2 Perform ink supply purge (Maintenance mode 76)..............................................4-11

2.3 Check head nozzles (Maintenance mode 09) .....................................................4-11

2.4 Adjust head inclination.........................................................................................4-11

2.5 Adjustment of software correction for inclination/corrugation/ruled lines

(Maintenance mode 65)....................................................................................... 4-13

2.6 Updating of paper feeding correction values (Maintenance mode 58) ................ 4-13

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2.7 Adjustment of margins in borderless printing (Maintenance mode 66) ............... 4-13

2.8 Write head calibration data (Maintenance mode 02)........................................... 4-13

2.9 Check printing...................................................................................................... 4-13

2.10 Obtain machine information at the user site (Instruction to the end user) ........... 4-13

3 IF YOU REPLACE THE DOCUMENT SCANNER UNIT, ADF UNIT OR CIS UNIT .... 4-15

3.1 Set the CIS type (Maintenance mode 59) (Not required after replacement of

the ADF unit on simplex scanning models) ......................................................... 4-16

3.2 Acquire white/black level data (Maintenance mode 55) (Not required after

replacement of the ADF unit on simplex scanning models) ................................ 4-16

3.3 Check scanning ................................................................................................... 4-16

4 IF YOU REPLACE THE CONTROL PANEL ASSY..................................................... 4-17

4.1 Adjust the touch panel (Maintenance mode 78) .................................................. 4-17

4.2 Check LCD operation (Maintenance mode 12) ................................................... 4-17

4.3 Check the operation of the control panel keys (Maintenance mode 13) .............4-17

5 IF YOU REPLACE THE INK ABSORBER BOX OR FLUSHING BOX ....................... 4-18

5.1 Reset purge and flushing counts......................................................................... 4-18

6 IF YOU REPLACE THE PAPER FEEDING RELATED PARTS and

MAINTENANCE UNIT.................................................................................................. 4-19

6.1 Check head nozzles (Maintenance mode 09) .....................................................4-20

6.2 Adjustment of software correction for inclination/corrugation/ruled lines

(Maintenance mode 65)....................................................................................... 4-20

6.3 Updating of paper feeding correction values (Maintenance mode 58) ................ 4-20

6.4 Adjustment of margins in borderless printing (Maintenance mode 66) ............... 4-20

6.5 Check printing...................................................................................................... 4-20

CHAPTER 5 SERVICE FUNCTIONS ................................................................................. 5-1

1 MAINTENANCE MODE ................................................................................................. 5-1

1.1 Entry to the Maintenance Mode............................................................................. 5-1

1.1.1 How to Enter the Maintenance Mode for Service Personnel ........................ 5-1

1.1.2 How to Enter the End User-accessible Maintenance Mode.......................... 5-3

1.2 List of Maintenance-mode Functions..................................................................... 5-4

1.3 Detailed Description of Maintenance-mode Functions.......................................... 5-5

1.3.1 EEPROM Parameter Initialization (Maintenance mode 01, 91)....................5-5

1.3.2 Creating of Head Calibration Data and Writing it into Flash ROM

(Maintenance mode 02) ................................................................................ 5-6

1.3.3 Printout of Scanning Compensation White/Black Level Data (Maintenance

mode 05) ..................................................................................................... 5-11

1.3.4 ADF Performance Test (Maintenance mode 08) ........................................ 5-14

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1.3.5 Printout of Test Pattern (Maintenance mode 09) ........................................ 5-14

1.3.6 Worker Switch Setting and Printout (Maintenance modes 10 and 11)........ 5-16

1.3.7 Operational Check of LCD (Maintenance mode 12) ................................... 5-19

1.3.8 Operational Check of Keys on Control Panel (Maintenance mode 13)....... 5-21

1.3.9 EEPROM Dump and Log Information Saving (Maintenance mode 17)...... 5-22

1.3.10

Updating of Firmware Using an External Memory (Maintenance mode 28)

..... 5-23

1.3.11 Sensor Operational Check (Maintenance mode 32) ...................................5-24

1.3.12 Printout of Dial Log (Maintenance mode 37)............................................... 5-26

1.3.13 Backup of Machine Information (Maintenance mode 46)............................ 5-27

1.3.14 Setting of Country/Language (Maintenance mode 52) ............................... 5-29

1.3.15 Transfer of Received FAX Data and/or Equipment's Log (Maintenance

mode 53) ..................................................................................................... 5-30

1.3.16 Fine Adjustment of Scanning Position (Maintenance mode 54) ................. 5-32

1.3.17 Acquisition of White/Black Level Data and CIS Scanner Area Setting

(Maintenance mode 55) .............................................................................. 5-34

1.3.18 Cartridge IC Communication Check (Maintenance mode 57)..................... 5-35

1.3.19 Updating of Paper Feeding Correction Values (Maintenance mode 58)..... 5-36

1.3.20

Checking of CIS Travel and Specifying of CIS Type (Maintenance mode 59)

.. 5-41

1.3.21 Printout of PRN/JPEG Files in Memory Card (Maintenance mode 61)....... 5-43

1.3.22 Move of the Head/Carriage Unit to the Adjustment Position (Maintenance

mode 63) ..................................................................................................... 5-44

1.3.23 Adjustment of Software Correction for Inclination/Corrugation/Ruled Lines

(Maintenance mode 65) .............................................................................. 5-45

1.3.24 Adjustment of Margins in Borderless Printing (Maintenance mode 66) ...... 5-47

1.3.25 Updating of Head Property Data and Backup/Restoration of Head

Calibration Data (Maintenance mode 68) ................................................... 5-49

1.3.26 Traveling Speed Check of Head/Carriage Unit (Maintenance mode 69) .... 5-51

1.3.27 Customizing Destinations (Maintenance mode 74)..................................... 5-52

1.3.28 Move of the Head/Carriage Unit to the Flushing Position (Maintenance

mode 75) ..................................................................................................... 5-55

1.3.29 Purge Operation (Maintenance mode 76)...................................................5-56

1.3.30 Print of the Maintenance Information (Maintenance mode 77) ................... 5-60

1.3.31 Adjustment of Touch Panel (Maintenance mode 78) .................................. 5-63

1.3.32 Display of the Equipment's Log (Maintenance mode 80)............................ 5-64

1.3.33 Equipment Error Code Indication (Maintenance mode 82)......................... 5-67

1.3.34

Output of Transmission Log to the Telephone Line (Maintenance mode 87)

... 5-67

1.3.35 Assurance Mode Switch Setting (Maintenance mode 88) .......................... 5-68

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