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MODELS: MFC990CW/790CW/490CW
Read this manual thoroughly before maintenance work.
Keep this manual in a convenient place for quick and easy reference at all times.
June 2008
SM-FAX098
8CAG(5)
Inkjet MFC/DCP
MFC290C/250C
DCP585CW/385C
DCP185C/165C/145C
Confidential

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Troubleshooting

   Related Manuals for Brother MFC990CW

   Summary of Contents for Brother MFC990CW

  • Page 1: Service Manual

    Inkjet MFC/DCP SERVICE MANUAL MODELS: MFC990CW/790CW/490CW MFC290C/250C DCP585CW/385C DCP185C/165C/145C Read this manual thoroughly before maintenance work. Keep this manual in a convenient place for quick and easy reference at all times. June 2008 SM-FAX098 8CAG(5) Confidential...

  • Page 2

    Specifications are subject to change without notice. Trademarks Bluetooth is a registered trademark owned by its proprietor. Brother uses Bluetooth wireless technol- ogy under license. The Brother logo is a registered trademark of Brother Industries, Ltd. Brother is a registered trademark of Brother Industries, Ltd.

  • Page 3

    Preface This Service Manual is intended for use by service personnel and details the specifications, construction, theory of operation, and maintenance for the Brother machines noted on the front cover. It includes information required for troubleshooting and service--disassembly, reassembly, and lubrication--so that service personnel will be able to understand equipment function, repair the equipment in a timely manner and order spare parts as necessary.

  • Page 4: How This Manual Is Organized

    How this manual is organized This manual is made up of nine chapters and appendices. CHAPTER 1 PARTS NAMES AND FUNCTIONS Contains external views and names of components and describes their functions. Information about the keys on the control panel is included to help you check operation or make adjustments.

  • Page 5

    Customizing codes customize firmware for individual models, enabling the common firmware to be used for various models. A list of EEPROM customizing codes comes with the firmware data provided by Brother Industries. Appendix 4 Firmware Switches (WSW)

  • Page 6

    Appendix 6 Circuit Diagrams Provides the circuit diagrams of the MJ PCB and power supply PCB. Appendix 7 Deletion of User Setting Information Provides instructions on how to delete user setting information recorded in the machine and cordless handset(s). Confidential...

  • Page 7: Choosing A Location, Safety Precautions

    SAFETY PRECAUTIONS Confidential...

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    Confidential...

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    Confidential xiii...

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    Confidential...

  • Page 19: Parts Names And Functions

    CHAPTER 1 PARTS NAMES AND FUNCTIONS Confidential...

  • Page 20

    CHAPTER 1 PARTS NAMES AND FUNCTIONS This chapter contains external views and names of components and describes their functions. Information about the keys on the control panel is included to help you check operation or make adjustments. CONTENTS OUTLINE ........................ 1-1 CONTROL PANEL ....................

  • Page 21: Outline

    OUTLINE Machine The illustrations in this section are based on the MFC790CW. Front view (1) ADF & document cover ASSY (For models with ADF) Document cover (For models without ADF) (2) Control panel (3) Ink cartridge cover (10) Scanner cover (Scanner unit) (4) Media slots for PhotoCapture Center*...

  • Page 22

    Back view (12) USB interface connector (13) LAN cable connector* (11) Jam clear cover (backview) Name Description ADF (Only for models with ADF): Load documents ADF & document cover ASSY (originals) here. Documents will be fed into the (For models with ADF) machine, page by page.

  • Page 23

    Cordless handset (For models with cordless handsets) Receiver Speaker Battery cover LCD (liquid crystal display) Dial pad Microphone and transmitter Confidential...

  • Page 24

    CONTROL PANEL Machine MFC990CW/790CW Confidential...

  • Page 25

    Confidential...

  • Page 26

    MFC490CW Confidential...

  • Page 27

    Confidential...

  • Page 28

    MFC290C/250C Confidential...

  • Page 29

    Confidential...

  • Page 30

    DCP585CW/385C 1-10 Confidential...

  • Page 31

    DCP185C/165C/145C (Mono Start) (Colour Start) (Ink Management) 1-11 Confidential...

  • Page 32

    1-12 Confidential...

  • Page 33

    Cordless handset (For models with cordless handsets) 1-13 Confidential...

  • Page 34

    1-14 Confidential...

  • Page 35

    COMBINATIONS OF TWO KEYS FOR SPECIAL FUNCTIONS The table below lists the special functions enabled by simultaneously pressing the specified combination of keys on the control panel. Special functions Combination of keys Available for: Displaying the firmware version * + # Models with numerical keypad on the control panel + Stop/Exit...

  • Page 36: Components View

    COMPONENTS The machine consists of the following major components: ADF & document cover ASSY Wide color LCD type Document cover Control panel ASSY Monochrome LCD type Scanner cover (Scanner unit) Control panel ASSY Jam clear cover Backup battery Antenna & cordless PCB ASSY Wire spring Upper cover...

  • Page 37: Specifications

    CHAPTER 2 SPECIFICATIONS Confidential...

  • Page 38: Table Of Contents

    CHAPTER 2 SPECIFICATIONS This chapter lists the specifications of each model, which enables you to make a comparison of different models. CONTENTS GENERAL ......................2-1 2.1.1 Media Specifications.................. 2-2 2.1.2 Paper Handling..................2-3 2.1.3 LCD/LED/Panel ..................2-4 2.1.4 Memory ..................... 2-5 2.1.5 Security .....................

  • Page 39: Table Of Contents

    2.12 PAPER........................2-31 2.12.1 Paper Specifications.................. 2-31 2.12.2 Printable Area.................... 2-33 Language List ........................2-34 ITU-T Test Chart #1 ......................2-35 Brother Chart ........................2-36 Confidential...

  • Page 40: General

    Test Print Print Quality & Alignment Check Sheet (by pressing the INK key.) MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW Technology Inkjet Print Head 94 nozzles/line, 4 lines Variable Dot Print Yes (3 sizes) BK: 4 pl Minimum Droplet Size CMY: 1.5 pl...

  • Page 41: Media Specifications

    MFC250C MFC290C MFC490CW MFC790CW MFC990CW A4, LTR, LGL, EXE, JISB5, A5, A6, Photo (102 x 152 mm/4 x 6"), Index card (127 x 203 mm/5 x 8"), Photo-2L (127 x 178 mm/5 x 7"), Standard Tray Post Card 1 (100 x 148 mm/3.9 x 5.8"), Post Card 2 (Double) (148 x 200 mm/5.8 x 7.8"), C5 Envelope, Com-10, DL Envelope, Monarch, JE4 Envelope Photo (102 x 152 mm/4 x 6"),...

  • Page 42: Paper Handling

    Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW Standard Tray 64-220 g/m (17-58 lb.) Photo Tray 64-220 g/m (17-58 lb.) Lower Tray Duplex Print Media Weights 64-90 g/mm U.S.A. (17-24 lb.) Europe/ 64-90 g/mm Asia/ 64-90 g/mm (17-24 lb.) (17-24 lb.) Oceania...

  • Page 43: Lcd/led/panel

    Photo Capture Illuminated Key Color Yellow Green Blue Status LED Color Orange MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW U.S.A. Type & Europe Wide 3.3" Color Wide 4.2" Color Wide 4.2" Color 16 x 1 line Size Asia/ Oceania Touch Panel Backlight &...

  • Page 44: Memory, Security

    (with battery, 24 hours) Backup Print: ON/OFF (in function menu) MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW Memory Capacity (physical: 32 MB 40 MB 48 MB megabytes) Memory Backup (For TAD messages or (with battery, 24 hours) fax preview only)

  • Page 45: Others

    Asia/ Oceania TCO99 Speaker MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW On/Off Switch U.S.A.: 100-120 VAC, 50/60 Hz Power Source Europe/Asia/Oceania: 220-240 VAC, 50/60 Hz Operating Environment Temperature (Best Print 5-40 (18-33) degrees centigrade Quality) Humidity 20 - 80% (w/o condensation)

  • Page 46: Interface

    Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW 7.1 kg 8.1 kg 8.4 kg 8.5 kg U.S.A. (15.7 lb.) (17.9 lb.) (18.5 lb.) (18.7 lb.) 7.8 kg Machine Weight Europe/ (17.2 lb.) 7.2 kg 8.2 kg 8.5 kg 8.6 kg Asia/ (15.9 lb.) (18.1 lb.)

  • Page 47

    MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW Host Interface USB 2.0 Full-Speed USB 2.0 Hi-Speed Wireless LAN Bluetooth IrSimple PictBridge USB Flash Memory "Memory Stick" "Memory Stick "Compact Flash" Pro" "Memory Stick" "Secure Digital" "Memory Stick Pro" "Secure Digital Acceptable Media Cards "Secure Digital"...

  • Page 48: Telephone, Volume

    TELEPHONE DCP145C/165C/185C/385C/585CW Not available. MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW Handset Yes (Detachable) Digital Cordless Phone 1 unit* (4 units) (Cordless Handset) SKYPE API support U.S.A. Hook Hook/ Tel R/ Europe Tel R Recall/On Hook Asia/ Hook Recall Oceania...

  • Page 49: Quick/auto Dials, Tel Service

    2.2.2 Quick/Auto Dials DDCP145C/165C/185C/385C/585CW Not available. MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW One Touch Dial Speed Dial 100 x 2 numbers Figures of One Touch & Speed 20 digits Dial Registerable Number Of 16 characters Characters Group Dial (Up to X groups)

  • Page 50: Message Center, List/report

    2.2.4 Message Center DCP145C/165C/185C/385C/585CW Not available. MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW Maximum 29 minutes or ICM Recording Time Maximum 99 messages (Maximum 180 seconds /message) Toll Saver Recording Conversation Yes (with beep) OGM/User Recording Time 20 seconds (MC/TAD, F/T) 2.2.5 List/Report...

  • Page 51

    MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW Activity Report/Journal Report Yes (up to 200) Transmission Verification Report Help List Caller ID List Quick Dial List Tel Index List User Setting List Order Form Network Configuration 2-12 Confidential...

  • Page 52: Not Available

    DCP145C/165C/185C/385C/585CW Not available. MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW Modem Speed 14,400 bps 33,600 bps Approx. 7 seconds Approx. 3 seconds Transmission Speed (ITU-T Test Chart #1, MMR) (ITU-T Test Chart #1, MMR) ITU-T Group Super G3 Mono: MH/MR/MMR...

  • Page 53: Sending

    2.3.1 Sending DCP145C/165C/185C/385C/585CW Not available. MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW Delayed Timer Up to 50 / B&W only Polled U.S.A. Yes (Standard) Sending Europe/Asia/ (type) Yes (Standard/Secure) Oceania *B&W only Batch Transmission Yes (B&W only/not color) Quick-Scan (Memory transmission) Approx.

  • Page 54: Receiving, Pc Fax

    2.3.2 Receiving DCP145C/165C/185C/385C/585CW Not available. MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW Easy Receive/Fax Detect Polling U.S.A. Yes (Std./Seq) Receiving Europe/Asia/ (type) Oceania (Std/Seq/Secure/Timer) * B&W only Auto Reduction ITU-T Test Chart #1 Up to 170 pages Up to 400 pages...

  • Page 55: Printer

    Easy Print Setting for Printer Driver (Japan only) Color Enhancement (Color Printer) MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW Mono/Color Color Up to 27/22 ppm Up to 30/25 ppm (Mono: (Mono: Up to 33/27 ppm Print Speed (A4/LTR) 450 x 150 dpi/...

  • Page 56

    Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW <Borderless printing> On: 0, 0, 0, 0 mm/0, 0, 0, 0" (*) <Borderless printing> Off: 3, 3, 3, 3 mm/0.12, 0.12, 0.12, On: 0, 0, 0, 0 mm/0, 0, 0, 0" (*) 0.12" (**) Off: 3, 3, 3, 3 mm/0.12, 0.12, 0.12, 0.12"...

  • Page 57: Copy

    COPY DCP145C/165C/185C/385C/585CW Model DCP145C DCP165C DCP185C DCP385C DCP585CW Mono/Color (Color Copy) Color Copy Speed (A4/LTR) *Including paper feeding time 5/5 cpm 20/18 cpm 22/20 cpm **Europe's default is calculated by "normal mode" speed Print: Maximum 1200 x 1200 dpi Mono Resolution Scan: Maximum 1200 x 1200 dpi (horizontal x...

  • Page 58

    MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW Mono/Color (Color Copy) Color Copy Speed (A4/LTR) *Including paper feeding time 20/18 cpm 22/20 cpm **Europe's default is calculated 5/5 cpm (Belgium only) by "normal mode" speed Print: Maximum 1200 x 1200 dpi...

  • Page 59: Scanner

    210 mm Color Depth Input: 36 bits, Output: 24 bits MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW Mono/Color (Color Scanner) Color Scan Speed (Mono/Color) Maximum 3.24/4.55 seconds (LTR) *@100 dpi Maximum 3.44/4.83 seconds (A4) Optical 1200 x 2400 dpi Resolution...

  • Page 60: Photo Capture

    PHOTO CAPTURE DCP145C/165C/185C/385C/585CW Model DCP145C DCP165C DCP185C DCP385C DCP585CW Memory Stick: 16-128 MB (Duo with Adapter) Memory Stick Pro: 256 MB-8 GB (MagicGate: YES if not use MG function) Secure Digital: 16 MB-2 GB (MiniSD with Adapter) Secure Digital High Capacity (SDHC): 4-8 GB Media Cards Acceptable xD Picture Card: 16-512 MB...

  • Page 61

    MFC250C MFC290C MFC490CW MFC790CW MFC990CW Memory Stick: 16-128 MB (Duo with Adapter) Memory Stick Pro: 256 MB-8 GB (MagicGate: YES if not use MG function) Secure Digital: 16 MB-2 GB (MiniSD with Adapter) Secure Digital High Capacity (SDHC): 4-8 GB...

  • Page 62: Pictbridge, Bluetooth

    Normal, Fine, Printer Setting 2.7.2 Bluetooth DCP145C/165C/185C/385C/585CW Not available. MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW Support Version Ver. 2.0 + EDR Support Profile BIP, OPP Image Format Print via Photo Print: JPG Bluetooth Maximum Receiving File Size Up to 3 MB...

  • Page 63: Software

    Mac OS X 10.3.9 - 10.4.3 Mac OS X 10.4.4 or greater MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW Windows Windows 2K/XP/XP Professional x64/Vista Support OS Version Mac OS X 10.2.4 (greater) Win 2K Professional Win XP Home/XP Professional Win XP Professional x64...

  • Page 64: Network

    Scanner Port, LLTD Responder, Web Services Protocols (IPv6) LDAP FAX to E-mail Network Management (BRAdmin Light) Network Management (MIB-II as well as Brother private MIB) Yes (for WLAN & WIRED LAN at Network Reset once) (in LAN Menu) MFC250C/290C/490CW/790CW/990CW Model MFC250C...

  • Page 65: Wired

    Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW Network Management (BRAdmin Light) Network Management (MIB-II as well as Brother private MIB) Network Reset Yes (for WLAN & WIRED LAN at once) (in LAN Menu) 2.9.1 Wired DCP145C/165C/185C/385C/585CW Model DCP145C DCP165C DCP185C DCP385C...

  • Page 66: Wireless

    WPS (WiFi Protected Setup) Auto Switch WLAN/WIRED MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW Model Name (Wireless) Embedded (NC-180w) Network Connection IEEE 802.11b/g (Wireless) SSID (32 chr), WEP 64/128 bits, Wireless Security WPA-PSK (TKIP/AES), WPA2-PSK (AES) **NO LEAP** WiFi Certification...

  • Page 67: Supplies/options

    Cartridges Oceania Supply High Yield Cartridges Plain: LTR Inkjet: LTR Plain: LTR Glossy (resin Inkjet: LTR U.S.A. Brother Paper (for coated): LTR/4 x Glossy (resin coated): LTR/4 x 6" Plain, Glossy and 6" Inkjet) Plain: A4 Europe/ Asia/ Inkjet: A4 Oceania Glossy (resin coated): A4/4 x 6"...

  • Page 68

    Approx. 300/260 pages Asia/ Cartridges Oceania Supply High Yield Cartridges Plain: LTR Inkjet: LTR U.S.A. Brother Paper (for Glossy (resin coated): LTR/4 x 6" Plain, Glossy and Plain: A4 Inkjet) Europe/ Inkjet: A4 Asia/ Oceania Glossy (resin coated): A4/4 x 6"...

  • Page 69: Service Information

    MTTR (Mean Time To Be 30 minutes Repaired) MFC250C/290C/490CW/790CW/990CW Model MFC250C MFC290C MFC490CW MFC790CW MFC990CW Monthly Volume 2500 pages Machine Life (year) 30000 pages or 5 years MTBF (Mean Time Between 4000 hours Failures) MTTR (Mean Time To Be 30 minutes...

  • Page 70: Paper, Paper Specifications

    For Photo 4 x 6" paper and Photo L 3.5 x 5" paper, use the photo bypass tray (in USA) or the photo paper tray (in Canada). BP71 69 lb. (260 g/m ) paper is especially designed for Brother inkjet machines. 2-31 Confidential...

  • Page 71

    Recommended print media Brother paper Paper Type Item Letter Plain BP60PL100 (USA only) Letter Glossy Photo BP71GLTR Letter Inkjet (Matte) BP60ML (USA only) 4 x 6 inches Glossy Photo BP71GP Handling and using print media Store paper in its original packaging, and keep it sealed. Keep the paper flat and away from moisture, direct sunlight and heat.

  • Page 72: Printable Area

    2.12.2 Printable Area Top (1) Bottom (2) Left (3) Right (4) Cut Sheet 0.12 inches (3 mm) 0.12 inches (3 mm) 0.12 inches (3 mm) 0.12 inches (3 mm) Envelopes 0.47 inches (12 mm) 0.95 inches (24 mm) 0.12 inches (3 mm) 0.12 inches (3 mm) 2-33 Confidential...

  • Page 73: Language List

    Language List Product Country Languages Default Category U.S.A. English/Spanish English Canada English/French English United Kingdom/Ireland (Asia/ English/French/German/Dutch/Italian Depends on first country Oceania) setting Germany/Austria Belgium/France/Netherlands Switzerland Italy Spanish/Portuguese/English/Italian Depends on first country setting Iberia Pan Nordic English/Norwegian/Swedish/Danish/ Depends on first country Finnish setting Denmark...

  • Page 74: Itu-t Test Chart #1

    ITU-T Test Chart #1 2-35 Confidential...

  • Page 75: Brother Chart

    Brother Chart 2-36 Confidential...

  • Page 76: Theory Of Operation

    CHAPTER 3 THEORY OF OPERATION Confidential...

  • Page 77

    CHAPTER 3 THEORY OF OPERATION This chapter gives an overview of the scanning and printing mechanisms as well as the sensors, actuators, and control electronics. It aids in understanding the basic principles of operation as well as locating defects for troubleshooting. CONTENTS OVERVIEW ......................

  • Page 78

    OVERVIEW - Digital camera - Compact Flash (with PictBridge) - Memory Stick Bluetooth Cordless - SD Memory Card - USB flash wireless memory drive handset - xD-Picture Card Host WLAN network Monochrome Control Color Touch Backup Cordless WLAN Bluetooth PhotoCapture panel battery interface...

  • Page 79: Mechanical Components

    MECHANICAL COMPONENTS This machine consists of the scanner mechanism and printing mechanism. It uses motors (five in models with ADF and four in models without ADF), three encoders (PF encoder, ASF encoder, and CR encoder), various sensors, and two thermistors. Scanner Mechanism Document path for ADF scanning (Right)

  • Page 80

    Paper pulling-in, registration, feeding and ejecting mechanisms Recording paper path (Rear) (Front) Recording paper path in the paper tray (3_02_BHmini9) Confidential...

  • Page 81

    Scanner Mechanism - Document scanning mechanism CIS motor (See Section 3.2.1.) (stepping motor) - Automatic document feeder (ADF) ADF motor mechanism (stepping motor) Printing Mechanism - Ink supply and ink jet mechanism (See Section 3.2.2.) (See Section 3.2.2.1.) - Head maintenance mechanism (See Section 3.2.2.2.)

  • Page 82: Scanner Mechanism

    3.2.1 Scanner Mechanism This mechanism consists of the automatic document feeder (ADF)*, document cover, and scanner unit (scanner cover). The scanner unit consists of a scanner top cover, CIS unit, CIS drive assembly, and scanner base. The detailed illustration on the next page shows the components making up the ADF: document pull-in roller, document separation roller, document feed rollers, ADF motor, and document front and rear sensors.

  • Page 83

    Models with ADF Document ejection pinch rollers Document feed roller 1 Separation pad Document front sensor actuator Document rear sensor actuator Ejected document support section ADF pull-in piece Document path for ADF scanning ADF motor Document guides Document cover Document feed roller 2 (Right) (Left) Pinch rollers 2...

  • Page 84

    (1) ADF scanning: Document moves across stationary CIS unit (Only for models with ADF) Placing a document face down in the ADF activates the document front sensor, switching to ADF scanning. The CIS drive mechanism (details below) operates for each scanning command executed. First, the CIS motor moves the CIS unit to the white reference film for white level compensation.

  • Page 85: Printing Mechanism

    3.2.2 Printing Mechanism The printing mechanism consists of the following. Ink supply and ink jet mechanism (Section 3.2.2.1) Head maintenance mechanism (Section 3.2.2.2) Carriage drive mechanism (Section 3.2.2.3) Paper pulling-in, registration, feeding and ejecting mechanisms (Section 3.2.2.4) The ink supply mechanism supplies ink to the head/carriage unit, in which the ink jet mechanism sprays ink droplets from the head nozzles onto paper.

  • Page 86

    - Paper feed roller (shown on page 3-38): This roller performs paper registration and feeds paper to the printing section precisely. - Paper ejection roller (shown on page 3-37): This roller ejects paper and keeps paper tension tight. - ASF motor* (shown on page 3-38): This motor pulls in paper, switches the paper feed operation...

  • Page 87

    3.2.2.1 Ink supply and ink jet mechanism [ 1 ] Overview The ink supply and ink-jet mechanism consists of the head/carriage unit, four ink cartridges, ink refill assembly, and four ink supply tubes. The head/carriage unit scans the surface of the recording paper, jetting out ink supplied through the ink supply tubes onto the paper to produce images.

  • Page 88

    [ 2 ] Features A distinct feature of this machine is the use of ink supply tubes between the ink cartridges and the head/carriage unit. Relieving the head/carriage unit of the task of carrying heavy ink cartridges back and forth across the page, the approach generally adopted by other ink-jet printers, offers the following advantages.

  • Page 89

    [ 3 ] Head/carriage unit The head/carriage unit consists of a front end (ink-jet head) and a back end (damper and air vent unit) as shown below. The front end consists of metal plates laminated together and etched to form ink flow channels. Piezoelectric ceramic actuators generate the spray pressure.

  • Page 90

    Front end Front end components and their main roles - Piezoelectric plate Applying a voltage stretches the plate, serving as the actuator for spraying ink. Consisting of thin piezoelectric plates laminated together, this plate can be driven even by a low voltage. - Filter This removes foreign materials from the ink.

  • Page 91

    Ink spray function The head employs drop-on-demand ink-jet printing. Print commands to the drive circuit apply a bias voltage to the layer electrodes on the piezoelectric ceramic surface stretching the elements perpendicular to that surface. Drive signals removing this voltage for specific channel electrodes allow the piezoelectric elements to return to their original shape, sucking ink into the corresponding channels*.

  • Page 92

    Back end Damper ASSY (Magenta) Air bubbles Left chamber Right chamber Damper ASSY (Cyan) Air bubbles Right chamber Shut-off valves Left chamber Air vent unit Damper ASSY (Yellow) Air bubbles Right chamber Left chamber Damper ASSY (Black) Air bubbles (Air vent cap) (Air vent rods) Left chamber (A part of maintenance unit)

  • Page 93

    Damping Without damping, ink pressure fluctuations directly affect the size of ink-jet head droplets, risking lower print quality. Each damper assembly has two chambers. The one on the right in the illustration below has a loose film across its top and serves as a damper. The film immediately flexes in and out in response to falls and rises in pressure, adjusting the chamber volume to counteract pressure fluctuations in the ink supply tubes.

  • Page 94

    [ 4 ] Ink cartridges Ink near-empty/Ink empty Filled with ink Disc valve S Sensor actuator Ink empty sensor (3_06) Disc valve D Ink cartridge features This machine uses four ink cartridges: a black one and three color ones with a slightly lower capacity.

  • Page 95

    Ink near-empty/ink empty detection The ink refill assembly has four ink empty sensors (photosensors of transparent type) that monitor the ink levels with sensor actuators inside the ink cartridges. Disc valve S Air intake port Ink empty sensor Sensor actuator Ink supply port (InkBackflowPrevention) Disc valve D...

  • Page 96

    [ 5 ] Ink refill assembly Cartridge release levers Ink empty sensor PCB Ink refill case (3_07) Ink empty sensors Ink cartridge detection sensors Ink cartridge detection sensor PCB Ink foam case Ink foam Ink refill base foam Ink refill base (3_08) Confidential 3-19...

  • Page 97

    Ink refill assembly components and their main roles - Ink refill case - Cartridge release levers - Ink refill base and its foam - Ink cartridge detection sensors (on the ink cartridge detection sensor PCB) - Ink empty sensors (on the ink empty sensor PCB) - Ink foam and its case Pushing the ink cartridges into the ink refill case until they click secures them and forces the cartridges' ink supply ports into close contact with the ink refill base to prevent ink leakage.

  • Page 98

    3.2.2.2 Head maintenance mechanism [ 1 ] Overview The head maintenance mechanism, which keeps the optimum head performance, consists of the maintenance unit and the ink absorber box. (See the illustration below.) The maintenance unit has the following mechanisms. - Head capping mechanism (See page 3-24.) - Carriage lock mechanism (See...

  • Page 99

    [ 2 ] Maintenance unit components Pump switching unit Purge gear Air vent cap Planetary arm Purge cam Cap lift cam Air vent rods Cap lift cam gear Carriage lock (Part of head cap holder) (ASF changeover Purge bevel gear gear) Head wiper (ASF changeover gear)

  • Page 100

    - Pump switching unit This switches the application target of the negative pressure generated by the tube pump between the head cap for black ink, the one for color ink, and the air vent cap. Usually the pump switching unit is switched to the opening tube to the atmospheric air so that the pressure in the head caps and air vent cap is equal to the normal atmospheric pressure.

  • Page 101

    [ 3 ] Mechanisms constituting the head maintenance mechanism (1) Head capping mechanism The ASF motor drives the head capping mechanism. When the power is off or the machine is not printing, this mechanism fits the head cap unit (which contains two head caps) tightly over the print head to prevent the head nozzles from drying up and to keep dust off the head nozzle surface.

  • Page 102

    (3) Purge mechanism The paper feed motor drives the purge mechanism. The counterclockwise rotation of the paper feed motor drives the purge cam that aligns the pump switching unit with either the black or color ink drain position. Next, the paper feed motor reverses to activate the tube pump, producing negative pressure to drain the air and old ink from the head nozzles and channels into the ink absorber box.

  • Page 103

    (3.1) Switching pump The pump switching unit switches the application target of the negative pressure generated by the pump between the head cap for black ink, the one for color ink, and the air vent cap. When the purge cam is in a head capping position and the head cap unit fits tightly over the print head, the pump switching unit is switched to the opening tube to the atmospheric air so that the pressure in the head caps and air vent cap returns to the normal atmospheric pressure.

  • Page 104

    (4) Air removing mechanism Other two positions of the purge cam shift two slide cams--one for black ink, the other for color inks, producing vertical motion of a single air vent rod for black ink and three air vent rods for color ink, respectively.

  • Page 105

    (5) Head wiper mechanism After the purge operation, the purge cam pushes up the head wiper, wiping off any ink remaining on the head nozzle surface as the head/carriage unit moves from right to left. Purge gear (Cap lift cam gear) (ASF changeover gear) Head wiper Purge cam...

  • Page 106

    [ 4 ] Power transmission route to the head maintenance mechanism and motor rotational direction This mechanism draws its power from two motors--the ASF motor (DC motor) in the right rear corner of the engine chassis and the paper feed motor (DC motor) on the left side. The ASF motor is mounted in the ASF motor holder combined with the maintenance unit.

  • Page 107

    ASF motor Clutch gear R Mode switching lever (Always engaged with PF roller gear R) Clutch gear L ASF/maintenance drive gear Idle gear 16 PF roller gear R Purge gear (ASF changeover gear) Purge bevel gear Paper feed roller Planet gear ASF motor holder ASSY PF roller gear R Cap lift cam gear...

  • Page 108

    ASF motor holder Mode switching lever ASSY Switching lever spring Air vent cap Air vent rods Maintenance unit Clutch gear spring Clutch gear L Clutch gear R ASF changeover gear Cap lift cam gear Cap lift cam Carriage lock Purge gear (part of head cap holder) Purge cam Head cap unit...

  • Page 109

    [ 5 ] Purge types, ink usage, purge counts, and purge codes Refer to the table given on page 9-55. [ 6 ] Ink cartridge capacities Ink Cartridge Type Contents Usable Portion Low yield type 11.1 ml Approx. 9.8 ml Black ink cartridge Starter and Standard type...

  • Page 110

    3.2.2.3 Carriage drive mechanism The head/carriage unit, which integrates the print head unit and carriage, is supported and guided by the CR guide rail and CR support chassis. The CR timing belt transmits the carriage motor rotation to the head/carriage unit. Clockwise motor rotations move the head/carriage unit to the right;...

  • Page 111

    Adjusting the print head angle relative to carriage For optimal image printing, the print head nozzle array must be perpendicular to the head/ carriage unit's line of travel. Manufacturing limitations, however, make perfect alignment impossible during mass production. The angle must be adjusted at the individual machine level. The following describes this adjustment mechanism's components and their roles.

  • Page 112

    Height adjustment of the head/carriage unit For optimal image printing, a pair of slider cams mounted on the head/carriage unit switches the height of the head/carriage unit against the CR guide rail and support chassis between two levels--2.3 mm (for thick paper and envelops) and 1.6 mm (for other types of paper) in order to bring the optimum distance between the head nozzle surface and paper.

  • Page 113

    As listed below, the printer driver on the connected PC or the paper type setting on the machine controls the slider cams to determine the height of the head/carriage unit. Adjustment for: Controlled by: Thick paper and envelopes Other types of paper Printer driver (in printing from the PC) Paper type setting (in copying and printing via PhotoCapture Center*)

  • Page 114

    3.2.2.4 Paper pulling-in, registration, feeding and ejecting mechanisms These mechanisms are driven via a gear train by two motors--paper feed motor located on the left side of the engine chassis and ASF motor in the right rear corner. (See the illustration on the next page.) The following illustration is a cross-sectional view of the machine viewed from the right.

  • Page 115

    Power transmission routes of the ASF motor and paper feed motor The rotational torque of the ASF motor is transmitted to the ASF/maintenance drive gear which always meshes with the clutch gear L, as described in Section 3.2.2.2, [ 4 When the mode switching lever is in the left position (normal SF or high-speed feed mode), the clutch gear L also meshes with the ASF changeover gear which transmits the ASF motor rotation via a gear train to the paper pull-in rollers.

  • Page 116

    Normal SF and high-speed feed modes Normal SF mode 1st stage The ASF motor rotates clockwise (when viewed from the output gear side) and its rotational torque is transmitted to the ASF/maintenance drive gear that is always connected via the idle gear 16 to the clutch gear L. When the mode switching lever is placed in the left position, the clutch gear L also meshes with the ASF changeover gear.

  • Page 117

    Movable platen* *For models with movable platen The movable platen has movable ribs that move in synchronization with the leading or trailing edge of advancing paper. It realizes the following. - Increased printing speed in borderless printing - Eliminating paper deflection that could occur in printing on the trailing edge of paper Synchronization with leading edge of paper When the leading edge of the paper reaches the movable rib drive position, the head/carriage unit moves to the left end of its travel and pushes the upper end of the movable platen lever,...

  • Page 118

    Other controls Paper feed position and speed control A PF encoder disk with the resolution of 300 dpi (0.084 mm pitch) is mounted on the PF roller gear L. The PF encoder sensor uses it to generate a signal indicating the gear rotation speed--in other words, the paper feed roller speed--to the controller for use in controlling paper feed position and speed.

  • Page 119

    3.2.3 Sensors and Actuators This machine uses the following sensors and thermistors. Sensor Name Location Sensor Type On the document front sensor PCB in Document front sensor Photosensor the ADF unit On the document rear sensor PCB in Document rear sensor Photosensor the ADF unit Scanner cover sensor...

  • Page 120

    • The carriage motor (CR) encoder sensor monitors the current position and speed of the head/ carriage unit. If the controller detects a head's travel speed error, it interprets the error state as a paper jam or any foreign material getting into the carriage travel path and stops the operation.

  • Page 121

    ADF & document cover ASSY Document front sensor Document front sensor actuator Document rear sensor actuator Document rear sensor (3_26_BHmini9) (ASF encoder sensor PCB) Cap lift cam switch ASF encoder sensor CR encoder sensor ASF encoder disk (Carriage PCB on which the head thermistor is also mounted) (Maintenance unit) Paper width sensor...

  • Page 122: Control Electronics

    CONTROL ELECTRONICS 3.3.1 Components The following illustration shows the hardware components. The corresponding wiring diagrams appear in Appendix WLAN Hook switch PCB Backup battery Antenna Speaker WLAN PCB Power supply AC line LAN I/F 2-wire 5-wire 5-wire 6-wire 5-wire in 6-wire Cordless PCB connector housing 18-wire...

  • Page 123: Error Indication And Troubleshooting

    CHAPTER 4 ERROR INDICATION AND TROUBLESHOOTING Confidential...

  • Page 124

    CHAPTER 4 ERROR INDICATION AND TROUBLESHOOTING This chapter details error messages and codes that the incorporated self-diagnostic functions display if any error or malfunction occurs. If any error message appears, refer to this chapter to find which components should be checked or replaced. The latter half of this chapter provides sample problems that could occur in the main sections of the machine and related troubleshooting procedures.

  • Page 125

    [ 3 ] Head/carriage unit drive and purge mechanisms......4-48 [ 4 ] Print head mechanism ..............4-49 [ 5 ] Sheet feeder (SF) mechanism ............4-50 [ 6 ] Paper feeding mechanism ..............4-50 [ 7 ] Speaker ..................... 4-50 [ 8 ] Control panel..................

  • Page 126: Error Indication

    ERROR INDICATION To help the user or the service personnel promptly locate the cause of a problem (if any), the machine incorporates the self-diagnostic functions which display error messages for equipment errors. 4.1.1 Equipment Errors If an equipment error occurs in the machine, the machine emits an audible alarm (five short beeps twice) (MFC only) and shows the error message on the LCD.

  • Page 127: Error Messages

    [ 1 ] Error messages appearing on the LCD On the machine Confidential...

  • Page 128

    For MFC only Confidential...

  • Page 129

    For MFC only Confidential...

  • Page 130

    For MFC only Confidential...

  • Page 131

    For MFC only Confidential...

  • Page 132

    On cordless handsets (For models with cordless handset) Error Message Cause Action Base Unit in use The machine (base unit) is being Wait until the line is free. used for intercom calling. The machine (base unit) is being set Wait until the registration is finished. up for cordless handset registration.

  • Page 133

    [ 2 ] Error codes contained in "MACHINE ERROR X X" messages Using Function code 82 (described in Chapter 9, Section 9.1.4.31) displays the most recent error in the format of "MACHINE ERROR XX." The XX represents one of the error codes listed in this section.

  • Page 134

    Error Code Symptom Probable Cause Solution (Hex) Running out of ink. Running out of ink Replace or reload the ink cartridge. 26: Black ink 27: Yellow ink 28: Cyan ink 29: Magenta ink Ink empty sensor PCB Replace the ink refill ASSY. defective Main PCB defective Replace the main PCB.

  • Page 135

    Error Code Symptom Probable Cause Solution (Hex) Head/carriage unit travel Software malfunction Open and close the scanner (except 3E) error. cover. Unplug and plug the AC cord. Any obstacles on the travel Clean and lubricate the CR path of the head/carriage unit guide rail and CR support chassis.

  • Page 136

    Error Code Symptom Probable Cause Solution (Hex) The head thermistor has Head flat cables not Correct those flat cables. been opened or shorted connected correctly abnormally. Head flat cables broken Replace the carriage PCB ASSY. Carriage PCB defective Main PCB defective Replace the main PCB.

  • Page 137

    Error Code Symptom Probable Cause Solution (Hex) The head drive voltage Head flat cables and Correct those flat cables. has not risen to the carriage-head flat cable not specified level. connected correctly Head/carriage unit defective Replace the carriage PCB ASSY. Replace the head/carriage unit.

  • Page 138

    Error Code Symptom Probable Cause Solution (Hex) The purge cam switch Planetary arm assembly not Set the maintenance unit into does not come ON at engaged correctly place. each detection point. If the planetary arm does not move smoothly, clean it. Purge cam switch harness Correct the connection to the not connected correctly...

  • Page 139

    Error Code Symptom Probable Cause Solution (Hex) 58, 59 Not used. Abnormal stop of purge Foreign materials in the Remove foreign materials. cam being driven machine PF encoder disk being in Replace the PF encoder disk. contact with the upper cover and deformed PF encoder PCB defective Replace the PF encoder PCB.

  • Page 140

    Error Code Symptom Probable Cause Solution (Hex) Not used. Paper width sensor Paper width sensor (media Readjust the left and right (media sensor) error. sensor) adjustment failure margins. Paper width sensor defective Replace the carriage PCB ASSY. Head flat cables broken Main PCB defective Replace the main PCB.

  • Page 141

    Error Code Symptom Probable Cause Solution (Hex) Cannot detect the origin Cap lift cam switch defective Replace the maintenance unit. of the cap lift cam. ASF encoder sensor Replace the ASF motor ASSY. defective ASF motor defective Main PCB defective Replace the main PCB.

  • Page 142

    Error Code Symptom Probable Cause Solution (Hex) At the start of FAX Paper smaller than the Load the correct size of paper. message printing, the specified size loaded in the controller detects that paper tray paper is smaller than A4 Paper width sensor (media Adjust the margin for size in width.*...

  • Page 143

    Error Code Symptom Probable Cause Solution (Hex) Recording paper jam. Paper double feeding caused Reload paper. by incorrect loading in the (At the start of paper paper tray feeding, the registration sensor is already ON.) Bank ASSY Paper Correct Wrong Bank ASSY deformed Replace the bank ASSY.

  • Page 144

    Error Code Symptom Probable Cause Solution (Hex) Recording paper jam. Foreign materials in the Remove foreign materials. paper path (The registration sensor sticks to ON after Registration sensor actuator Correct the surrounding parts completion of paper caught on the surrounding on which the actuator caught.

  • Page 145

    Error Code Symptom Probable Cause Solution (Hex) The paper feed motor Foreign materials in the Remove foreign materials. does not rotate. machine Paper feed motor harness not Reconnect the paper feed connected correctly motor harness. Abnormal load applied to the Replace the PF-related gear(s).

  • Page 146

    Error Code Symptom Probable Cause Solution (Hex) The paper feed motor is Software malfunction Open and close the scanner being driven and cannot cover. be stopped. Unplug and plug the AC cord. Paper feed motor harness not Correct the connection. connected correctly Main PCB defective Replace the main PCB.

  • Page 147

    Error Code Symptom Probable Cause Solution (Hex) Not used. FAX scanning failure CIS defective Replace the scanner cover (1st time)*. (scanner unit). White reference film stained in the scanner cover FAX scanning failure (retry)*. Main PCB defective Replace the main PCB. Mismatch between the Scanner cover containing the Check the CIS type mounted...

  • Page 148

    Error Code Symptom Probable Cause Solution (Hex) BE-DE Not used. DF, E0 Modem error. SDAA chip defective Turn the machine off and then Main PCB defective Replace the main PCB. Not used. Wired LAN MAC MAC address not written Replace the main PCB. address not registered.

  • Page 149

    Error Code Symptom Probable Cause Solution (Hex) Not used. LCD connection LCD flat cable not connected Correct the connection. detection failure. correctly LCD unit defective Replace the LCD unit. Main PCB defective Replace the main PCB. Touch panel initialization Touch panel in contact with Clean the touch panel, then turn failure at the time of something during...

  • Page 150

    4.1.2 Communications Errors (For MFC only) If a communications error occurs, the machine: emits an audible alarm (intermittent beeping) for approximately 4 seconds, displays the corresponding error message, and prints out the transmission verification report if the machine is in sending operation. 4-25 Confidential...

  • Page 151

    Definition of Error Codes on the Communications List (1) Calling Code 1 Code 2 Causes Wrong number called. No dial tone detected before start of dialing. Busy tone detected before dialing. 2nd dial tone not detected. No loop current detected.* Busy tone detected after dialing or called.

  • Page 152

    (3) Compatibility [checking the NSF and DIS] Code 1 Code 2 Causes Remote terminal only with V.29 capability in 2400 or 4800 bps transmission. Remote terminal not ready for polling. Remote terminal not equipped with password function or its password switch OFF. Remote terminal not equipped with or not ready for confidential mailbox function.

  • Page 153

    (4) Instructions received from the remote terminal [checking the NSC, DTC, NSS, and DCS] Code 1 Code 2 Causes Illegal coding system requested. Illegal recording width requested. ECM requested although not allowed. Polled while not ready. No document to send when polled. Nation code or manufacturer code not coincident.

  • Page 154

    (6) ID checking Code 1 Code 2 Causes Password plus "lower 4 digits of telephone number" not coincident. Password not coincident. Polling ID not coincident. (7) DCN reception Code 1 Code 2 Causes DCN received. (8) TCF transmission/reception Code 1 Code 2 Causes Fallback impossible.

  • Page 155

    (9) Signal isolation Code 1 Code 2 Causes Unable to detect video signals and commands within 6 seconds after CFR is transmitted. Received PPS containing invalid page count or block count. (10) Video signal reception Code 1 Code 2 Causes Error correction sequence not terminated even at the final transmission speed for fallback.

  • Page 156

    (11) General communications-related Code 1 Code 2 Causes Unable to receive the next-page data. Unable to receive polling even during turn-around transmission due to call reservation. PC interface error. Communication canceled by pressing the STOP key before establishment of FAX communication*. Communication canceled by pressing the STOP key after establishment of FAX communication*.

  • Page 157: Troubleshooting

    TROUBLESHOOTING 4.2.1 Introduction This section gives the service personnel some of the troubleshooting procedures to be followed if an error or malfunction occurs with the machine. It is impossible to anticipate all of the possible problems which may occur in future and determine the troubleshooting procedures, so this section covers some sample problems.

  • Page 158

    Recording paper Check that: (1) A recommended type of recording paper is used. (2) The recording paper is not dampened. Ink cartridges (1) Check that all of four ink cartridges are loaded. Head/carriage unit (1) Repeat the purge operation (Function code 76) several times. (Refer to Chapter 9, Section 9.1.4.27.) (2) Clean the print surface of the head/carriage unit.

  • Page 159: Control Panel

    4.2.4 Troubleshooting Based on Problem Type [ 1 ] Control panel and LCD problems Problem Check: (1) LCD shows nothing. • LCD and its flat cable • Panel-main harness • Control panel PCB-to-PCB harness (for models with touch panel) • Control panel PCB •...

  • Page 160

    [ 3 ] Communications problems (For MFC only) Problem Check: (1) No tone is transmitted. • Main PCB • MJ PCB [ 4 ] Paper/document feeding problems Problem Check: (1) The "Enter Fax No." message • Sensors by using Function code 32 in the maintenance mode does not appear although (Refer to Chapter 9, Section...

  • Page 161

    [ 5 ] Print-image problems If there is any problem with any image printed, first make a copy using the machine. If the copied image is normal, the cause of the problem may be the sending station (e.g., PC and digital camera) or the memory card* inserted;...

  • Page 162

    Problem Action to be taken (1) Completely blank At the scanner Check that the document is placed facing in the correct direction. In ADF scanning (available only in models with ADF), is the document placed face down in the document tray? In flat-bed scanning, is the document placed face down on the scanner glass? Check the following components:...

  • Page 163

    Problem Action to be taken (4) Light At the scanner Check the following components: - Scanner cover (CIS unit) - Main PCB At the printer Check the following components: - Ink cartridges - Head/carriage unit and carriage PCB ASSY - Main PCB - Power supply PCB - Head property data (Refer to Chapter 9, Section...

  • Page 164

    Problem Action to be taken (7) Ink splash Printer • Perform the purge operation (Function code 76) several times to remove dust or air bubbles from its nozzles. (Refer to Chapter 9, Section 9.1.4.27.) • Check the ink cartridges. Any of them has run out of ink or the ink viscosity has been increased, so replace it.

  • Page 165

    Problem Action to be taken (10)White horizontal streaks • Perform the purge operation (Function code 76) several times to remove dust or air bubbles from its nozzles. (Refer to Chapter 9, Section 9.1.4.27.) • Replace the head/carriage unit. • Check the paper feed-related rollers. •...

  • Page 166

    Problem Action to be taken (14)Characters having shadows • Adjust the paper feeding correction values of the paper feed roller and (ghost) paper ejection roller with Function code 58 in the maintenance mode. (Refer to Chapter 7, Section 7.2, [ 5 VWXYZ •...

  • Page 167

    [ 7 ] Printing from memory cards--Compact Flash , Memory Stick, SD Memory Card, xD-Picture Card (For models with PhotoCapture Center) and USB flash memory drive Problem Action to be taken (1) No image data can be read. • Insertion direction of memory cards - Insert a Compact Flash card, SD Memory Card, or xD-Picture Card with the label side facing up.

  • Page 168

    4.2.5 Problems Encountered Frequently in the Past This section lists the three problems most frequently encountered during on-site service in the past. - Paper jams - Ink-related problems - Auto document feeder (ADF) failure (For models with ADF) [ 1 ] Paper jams A paper jam may occur not only due to machine malfunction but also to the user's actions.

  • Page 169

    [ 2 ] Ink-related problems Problems of this nature may arise not only due to machine malfunction but also to the user's actions. IMPORTANT: In many cases, the user fails to set ink cartridges in place. Problems due to the user's actions Check Possible causes Problems that may result...

  • Page 170

    [ 3 ] Auto document feeder (ADF) malfunction (For models with ADF) An ADF failure may occur not only due to machine malfunction but also to the user's actions. Problems due to the user's actions Check Possible causes Problems that may result Document guides The document guides are not positioned Documents will skew.

  • Page 171: Components

    4.2.6 Possible Component Defects and Resulting Problems This section lists possible component defects and what happens due to them. It also describes what happens if the necessary adjustments or data settings into the memories is not made. [ 1 ] ADF mechanism (For models with ADF) Defective component Result Error codes...

  • Page 172

    [ 2 ] Scanner mechanism Defective component Result Error codes CIS unit - Any of the following images may appear on the printout: BD, AF - When the power is turned on, abnormal noises will be heard from the machine. - Any of the following errors occurs: - Dark level offset data level error for scanning - Gain control data level error for scanning...

  • Page 173

    [ 3 ] Head/carriage unit drive and purge mechanisms Defective component Result Error codes Head/carriage unit - Any of the following images may appear on the printout: --- Carriage motor - The head/carriage unit will not be able to travel 30, 31, 32, 33 normally.

  • Page 174

    Defective component Result Error codes Maintenance unit - Any of the following images may appear on the printout: --- Head caps or wiper Tube pump - The tube pump will not draw out ink from the head nozzles. Purge cam switch - The purge cam switch will not detect the purge cam ON/ 50, 51, 52 OFF timing.

  • Page 175

    [ 5 ] Sheet feeder (SF) mechanism Defective component Result Error codes Bank ASSY - Two or more sheets of paper will be fed at once. 82, 83, 88 (shown on page 4-43) - No paper will be fed. [ 6 ] Paper feeding mechanism Defective component Result Error codes...

  • Page 176

    [ 8 ] Control panel Defective component Result Error codes Rubber keypad - Keys will not work. Control panel PCB - Keys will not work. - The LEDs will not light. - The LCD will show nothing. Touch panel relay PCB - Keys on the touch panel will not work.

  • Page 177

    [ 10 ] Adjustments/data in the memories Adjustment/data setting error in the Error Result Refer to: following codes components: EEPROM customizing - The machine will not work as specified - Chapter 9, Section code for that model or that shipping 9.1.4.25 destination.

  • Page 178

    CHAPTER 5 HANDLING DATA HELD IN THE MACHINE PRIOR TO REPAIR Confidential...

  • Page 179

    CHAPTER 5 HANDLING DATA HELD IN THE MACHINE PRIOR TO REPAIR This chapter describes how to handle data held in the machine to be repaired. At the user site, if the machine cannot print FAX data received and left in the machine due to the printing mechanism defective, the service personnel should instruct the end user to follow the transfer procedure given in this chapter to transfer the FAX data to another machine before sending the machine for repair.

  • Page 180

    AT THE USER SITE 5.1.1 Transferring Received FAX Data When the machine at the user site requires to be repaired, unplugging the power cord from the electrical outlet for sending the machine for repair will lose received FAX data if left in the machine.

  • Page 181

    - Fax data sent (Delayed-timer sent data, redialed sent data, and polled sent data) Operating Procedure (1) On the PC, create a "Brother" folder in an external memory to be used for saving backup data. (2) Switch the machine to the maintenance mode using the steps below. (Refer to...

  • Page 182

    CHAPTER 6 DISASSEMBLY/REASSEMBLY AND LUBRICATION Confidential...

  • Page 183: Table Of Contents

    CHAPTER 6 DISASSEMBLY/REASSEMBLY AND LUBRICATION This chapter details procedures for disassembling and reassembling the machine together with related notes. The disassembly order flow provided enables you to see at a glance the quickest way to get to component(s) involved. At the start of a disassembly job, you check the disassembly order flow that guides you through a shortcut to the target components.

  • Page 184

    6.1.17 Components on the Engine Unit (Earth spring, Maintenance unit, ASF motor*, Carriage motor, Star wheel holder, Paper ejection roller, Platen, Inner chute ASSY, Registration sensor actuator, PF encoder/ registration sensor harness unit, Paper pull-in rollers R and L, ASF gear shaft outer, and PE actuator) ............ 6-81 6.1.18 Bank ASSY and Base Pad on the Paper Tray ASSY........

  • Page 185

    DISASSEMBLY/REASSEMBLY Safety Precautions To prevent the creation of secondary problems by mishandling, observe the following precautions during maintenance work. (1) Before replacing parts or units, unplug the power cord and telephone line*. In particular, when having access to the power supply inside the machine, make sure that the power cord is unplugged from the electrical outlet;...

  • Page 186: Tightening Torque

    0.60±0.1 (6±1) PF encoder PCB Screw, bind M2x12 0.15±0.05 (1.5±0.5) *1 For models with ADF *6 MFC990CW/790CW/490CW and DCP585CW *2 For models with touch panel *7 MFC290C/250C and DCP385C/185C/165C/145C *3 For models with color LCD *8 For 200 V series only...

  • Page 187

    Preparation Prior to proceeding with the disassembly procedure, (1) Be sure to back up the machine information and user setting information into an external memory. If the main PCB is replaced, restore the backup data to the new main PCB after completion of reassembling.

  • Page 188: How To Access The Target Component

    Removing the handset mount* Installing the handset mount* Handset mount* Align the markings on the Pull the tab on the bottom of the machine and handset mount with handset mount outwards, and each other and slide the handset remove the handset mount in the mount in the direction of the arrow.

  • Page 189: Disassembly Flowchart

    Disassembly Flowchart Disassembly/reassembly 6.1.3 6.1.4 6.1.18 6.1.2 standard time (seconds) - ADF & document Scanner cover Disassembly of cover ASSY (Scanner unit) Paper tray ASSY ADF & document - Document cover (including ADF cover ASSY 35/40 35/35 80/80 (Note 1) 6.1.2 Scanner cover support/damper...

  • Page 190: Jam Clear Cover

    6.1.1 Jam Clear Cover (1) Open the jam clear cover. (2) Release the left boss on the jam clear cover from the lower cover while pressing the left end of the jam clear cover inwards with the tip of a flat screwdriver. Lower cover Boss Jam clear cover...

  • Page 191: Scanner Cover (scanner Unit)

    6.1.2 Scanner Cover (Scanner Unit) Models with ADF The scanner cover should be removed together with the ADF & document cover ASSY whose removal procedure is given in Section 6.1.3. The disassembly of the ADF & document cover ASSY is detailed in Section 6.1.4.

  • Page 192

    Flat core Upper cover Document front sensor harness Lower cover CIS motor harness Latch Document rear sensor harness ADF motor harness MFC990CW/790CW/490CW MFC290CW and DCP185C Document rear ADF motor Document front sensor harness harness sensor harness Main PCB Main PCB...

  • Page 193

    (6) Release the harnesses and grounding wire from the cable guides provided at the left end of the upper cover. (7) While supporting the scanner cover by hand, pull the lock arm provided on the rear of the scanner cover damper and release the damper from the scanner cover. Scanner cover damper Scanner cover Scanner cover...

  • Page 194

    (8) Open the scanner cover at approx. 80° and pull it to the rear and off the machine. Scanner cover (Scanner unit) Upper cover CIS flat cable Flat core CIS motor harness Document front sensor harness Grounding Lower cover Document rear Scanner cover wire sensor harness...

  • Page 195

    (9) Turn the scanner cover support upright and pull it out of the upper cover together with the scanner cover damper. (10) Remove the scanner cover damper from the scanner cover support. Scanner cover damper Upper cover Scanner cover support Lower cover (6_08) 6-11...

  • Page 196

    Models without ADF The scanner cover should be removed together with the document cover whose removal procedure is given in Section 6.1.3. (1) Open the scanner cover until it locks. (2) Remove the CIS flat cable cover and the harness cover by inserting the tip of a flat screwdriver into the slots and releasing the latches.

  • Page 197

    (3) Disconnect the CIS flat cable from the main PCB, pull it to the rear through the flat core, and then release it from the cable guides. Unlatch the flat core and take it out of the upper cover. NOTE: After disconnecting the flat cable(s), check that each cable is not damaged at its end or short-circuited.

  • Page 198

    (5) Release the CIS motor harness from the cable guides provided at the left end of the upper cover. (6) While supporting the scanner cover by hand, pull the lock arm provided on the rear of the scanner cover damper and release the damper from the scanner cover. Scanner cover damper Scanner cover (Scanner unit)

  • Page 199

    (7) Open the scanner cover at approx. 80° and pull it to the rear and off the machine. Scanner cover (Scanner unit) Upper cover CIS flat cable Flat core CIS motor harness Lower cover Scanner cover damper Scanner cover (6_13) support Assembling Note: If you replace the scanner cover, specify the CIS type into the EEPROM in the maintenance mode (Function code 59), referring to...

  • Page 200

    (8) Turn the scanner cover support upright and pull it out of the upper cover together with the scanner cover damper. (9) Remove the scanner cover damper from the scanner cover support. Scanner cover damper Upper cover Scanner cover support Lower cover (6_08_1) 6-16...

  • Page 201

    6.1.3 ADF & Document Cover ASSY (Document Cover) (for models with ADF), Document Cover (for models without ADF) Models with ADF (1) Turn the ADF & document cover ASSY upright and slightly lift it up. (2) Insert the tip of a flat screwdriver into the slit provided at the front of hinge R, push the latch inside the scanner cover to the front, and release hinge R from the scanner cover.

  • Page 202

    (5) Pull the two right-hand retainers on the ADF unit outwards and release the two right-hand tabs of the document sponge ASSY. (6) While slightly warping the document sponge ASSY, release the left rear tab of the document sponge ASSY from the retainer. Then remove the ASSY from the ADF & document cover ASSY.

  • Page 203

    Models without ADF (1) Turn the document cover upright and slightly lift it up. (2) Insert the tip of a flat screwdriver into the slit provided at the front of hinge R, push the latch inside the scanner cover to the front, and release hinge R from the scanner cover. (3) Just as in step (2), release hinge L and then pull the document cover up and off the scanner cover.

  • Page 204: Disassembly Of Adf & Document Cover Assy (for Models With Adf)

    6.1.4 Disassembly of ADF & Document Cover ASSY (for models with ADF) Document pressure bar (1) Place the ADF & document cover ASSY upside down. (2) Pull the rear lock arm outwards to release the rear end of the document pressure bar. Push the rear end of the bar to the front, up and leftwards to release the left end of the bar from the latch provided on the ADF unit.

  • Page 205

    ADF reinforcement plate (3) Remove the screw, slightly lift up the front end of the ADF reinforcement plate, slightly slide the plate to the front, and turn it upright. Taptite, cup B M3x12 Document reinforcement plate ADF & document cover ASSY Cutout Slit (Rear)

  • Page 206

    Separating the ADF unit from the document cover (8) Turn the ADF & document cover ASSY upside down. (9) Remove the seven screws (five "a," one "b," and one "c" screws) from the ADF unit. (10) Release seven "X" latches provided on the document cover and lift up the right end of the ADF unit at approx.

  • Page 207

    Assembling Note: When mounting the ADF unit on the document cover (see the previous page), follow the steps below. 1) First fit the "Y" latch provided on the left rear corner of the ADF unit into the groove in the document cover and then put the ADF unit into the document cover. 2) Before locking the ADF unit with seven "X"...

  • Page 208

    ADF parts (12) Remove the ADF pull-in piece and its spring from the document cover. (13) Slightly pull up the right end of the separation pad, slide it to the right, and remove it from the document cover. ADF pull-in piece Separation pad ADF pull-in spring ADF pull-in piece...

  • Page 209

    Document front sensor PCB (14) Pull the lock arm outwards and take out the document front sensor PCB. Then disconnect the document front sensor harness from the PCB and release it from the cable guides provided on the ADF unit. Document front sensor actuator Lock arm...

  • Page 210

    Document rear sensor PCB (15) Turn the ADF unit right side up. (16) Lightly push down the two lock arms and take out the document rear sensor PCB. Then disconnect the document rear sensor harness from the PCB and release it from the cable guides provided on the ADF unit.

  • Page 211

    ADF drive unit and ADF motor (17) Remove gears 44 and 31 by releasing their latches. Slide the document feed roller shafts 1 and 2 to the front slightly and remove their bushings. NOTE: To prevent the three sets of a pinch roller and its spring shaft (located beneath the rollers on the document feed roller shaft 1) from dropping, keep the document feed roller shaft 1 in the original position after removal of gear 44 and its bushing using a piece of adhesive tape.

  • Page 212

    Assembling Note: When mounting the document separation roller gear on the ADF unit, turn the planet gear counterclockwise to put it in the upper position beforehand. (See the illustration below.) Viewed from the rear ADF motor ADF drive unit Document feed ADF motor pulley roller 1 Document feed...

  • Page 213

    (22) Remove the two screws, take the ADF motor off the ADF drive unit, and disconnect the ADF motor harness from the motor. ADF motor Grounding wire Cable guide ADF motor ADF motor harness Cable guide ADF motor harness Grounding wire ADF drive unit Document rear sensor harness...

  • Page 214

    Document pull-in roller and document separation roller (23) Place the ADF unit upside down. (24) Remove the screw from the document roller holder. (25) Release the two tabs on the left end of the document roller holder from the ADF unit and take it out.

  • Page 215: Control Panel Assy

    6.1.5 Control Panel ASSY *1 For models with color LCD *2 For models with touch panel (1) Remove three screws from the control panel ASSY. (2) Pull up the rear end of the control panel ASSY and turn it up slightly. NOTE: Do not pull the control panel ASSY away from the machine since it is connected to the machine with a short LCD flat cable and harnesse(s).

  • Page 216

    Assembling Note: For the upper cover having a cable guide as shown below, when connecting the panel-main harness and touch panel harness* to the main PCB, route them through the cable guide. *2 For models with touch panel Control panel ASSY Touch panel harness Cable guide Panel-main harness...

  • Page 217: Disassembly Of Control Panel Assy

    (see the illustration below) on the control panel base and then secure it with three "x" latches. (3) Remove the rubber keypads (and keys depending upon the model). The illustration below shows the control panel ASSY of the MFC990CW. It differs depending upon the model. Panel-main harness Control panel PCB ASSY Rubber keypad...

  • Page 218

    *1 For models with microphone *2 For models with touch panel Assembling Notes: • Models with microphone: Before mounting the rubber keypads, route the microphone harness (a part of the panel-main harness) through the cable guides provided on the control panel base as shown below. Panel-main harness Microphone Microphone harness...

  • Page 219

    (4) Remove the two screws from the control panel base. (5) Release the six "y" latches provided on the panel plate from the control panel base. The panel plate, color LCD unit, and latch spring come off. NOTE: Take care not to drop the color LCD unit. Also take care not to lose the latch spring.

  • Page 220

    *2 For models with touch panel *3 For models with flat core in the control panel base Assembling Note: When assembling the media module cover, control panel base, latch spring, color LCD unit, and panel plate, follow the steps below. 1) Place the control panel base right side up.

  • Page 221

    Models with monochrome LCD (1) Place the control panel ASSY upside down. (2) Pull the three "x" latches and remove the control panel PCB. NOTE: Do not pull the control panel PCB away from the control panel ASSY since it is connected to the monochrome LCD mounted on the control panel base with a short panel- LCD flat cable.

  • Page 222

    (6) Release the eight "y" latches and remove the panel plate from the control panel base. (7) Release the three "z" latches and remove the media module cover from the control panel base. Latches "y" Panel plate Latches "y" Latches "y" Control panel base Latches "z"...

  • Page 223

    6.1.7 Charge Stand ASSY (for models with cordless handset) (1) Remove the two screws from the bottom charge cover. (2) Insert the tip of a flat screwdriver into the slits between the top and bottom charge covers to release the two latches and remove the bottom charge cover. Upper cover Top charge cover Slits...

  • Page 224

    (3) While pulling the lock arm on the top charge cover outwards, slide the cover to the rear to release four hooks from the upper cover and then take it off the upper cover. (4) Disconnect the charge harness from the charge PCB. Upper cover Top charge cover Hook...

  • Page 225

    - There is a danger of explosion if the battery is incorrectly replaced. - When replacing the battery, use the spare part authorized by Brother Industries. - Batteries used should be disposed of in accordance with the local codes and regulations.

  • Page 226

    *1 For models with backup battery *2 For models with speaker Assembling Note: When setting the backup battery , route the battery harness through the cable guide on the upper cover as shown below. Backup battery * Upper cover Cable guide Cable guide Speaker * (Front)

  • Page 227

    (2) Disconnect the speaker harness from the main PCB and release it from the cable guides provided on the upper cover. (3) Remove the speaker spring (wire spring) and the speaker from the pocket provided on the upper cover. *2 For models with speaker Speaker spring Upper cover Speaker...

  • Page 228

    (4) Disconnect the cordless flat cable from the main PCB. NOTE: After disconnecting the flat cable(s), check that each cable is not damaged at its end or short-circuited. When connecting the flat cable(s), do not insert it at an angle. After insertion, check again that it is not at an angle.

  • Page 229

    Assembling Note: • When mounting the upper cover: - Make sure that the jam clear cover is not mounted. - Make sure that the ink cartridge cover is open - Make sure that the head/carriage unit is placed in the head capping position (home position).

  • Page 230

    6.1.9 Antenna & Cordless PCB ASSY (for models with cordless handsets) (1) Place the upper cover upside down. (2) Remove the screw from the cordless PCB. NOTE: Take care not to bend the wire that works as an antenna on the cordless PCB. (3) Release the cordless flat cable of the antenna &...

  • Page 231

    Assembling Note: Route the antenna wire and cordless flat cable as shown below. Antenna support Upper cover Antenna wire Antenna & cordless PCB ASSY Cordless flat cable Cable guide (6_42) 6-47 Confidential...

  • Page 232

    6.1.10 Ink Cartridge Cover, Inner Media Module Cover, Front Cover, and WLAN PCB ( for WLAN-enabled models) (1) Lightly lift up the front end of the lower cover and remove the ink cartridge cover by releasing its cover arm from the lower cover. (2) On the inside of the front cover, release the retainer and slightly open the cover.

  • Page 233

    For wireless LAN-enabled models, remove the front cover and WLAN PCB using the following steps. (4) Release the grounding wire by removing the screw and disconnect the WLAN PCB harness from the main PCB. (See the illustration on the previous page.) Then release the grounding wire and WLAN PCB harness from the cable guides provided on the lower cover.

  • Page 234: Main Pcb

    6.1.11 Main PCB Caution: Before replacement of the main PCB, back up the machine information and user setting information, referring to Chapter 9, Section 9.1.4.13 "Backup of Machine Information (Function code 46) (User-accessible)." After replacement, restore the backed up information to the new PCB. Failure to do so requires replacing also the ink absorber box and flushing box after replacement of the main PCB.

  • Page 235

    MFC990CW/790CW/490CW and DCP585CW Main-MJ (EXT) harness (2-wire* , 6-wire* , black) Carriage motor harness Head flat cable 3 (10-wire) (2-wire) (Document rear sensor harness) Head flat cable 1 (12-wire) (3-wire) (Document front sensor harness) Head flat cable 2 (11-wire) (3-wire)

  • Page 236

    (2) Disconnect the Bluetooth PCB from the main PCB. (3) Remove the three screws (two "a" and one "b" screws) from the main PCB shield and lift it *1 For MFC only *2 For models with handset *3 For Bluetooth support models "b"...

  • Page 237

    PCB. Then disconnect the main-MJ (LINE) harness (2-wire, yellow) from the main PCB. (5) Remove the main PCB. MFC990CW/790CW/490CW and DCP585CW: Remove four "c" screws from the main PCB, then lift up the PCB. MFC290C/250C and DCP385C/185C/165C/145C: Remove two "e" screws from the main PCB, then lift up the PCB.

  • Page 238: Mj/ps Shield Unit (mj Pcb* And Power Supply Pcb)

    6.1.12 MJ/PS Shield Unit (MJ PCB* and Power Supply PCB) * For MFC only (1) If the main PCB shield frame has not been removed, disconnect the power supply harness, main-MJ (LINE) harness* and main-MJ (EXT) harness* from the main PCB, then remove screw "d"...

  • Page 239

    Assembling Notes: When mounting the MJ/PS shield unit onto the lower cover, route the power supply harness through the U-shaped cutout (shown on the previous page) provided in the lower MJ/PS shield. After mounting the MJ/PS shield unit, route the power supply harness through the channel and route the main-MJ (EXT) harness and main-MJ (LINE) harness on the left side of...

  • Page 240

    The subsequent procedure for the 100 V series is given on pages 6-56 to 6-58, and that for the 200 V, on pages 6-59 to 6-61. For 100 V series (4) Unlatch the power cord bushing and pull it up from the AC cord holder. Then release the power cord from the cable guides provided on the AC cord holder (shown on page 6-58).

  • Page 241

    Assembling Notes: • Before mounting the MJ shield, route the main-MJ (LINE) and (EXT) harnesses* through the cable guide provided on the MJ PCB insulator*. (See the previous page.) • Route the power cord through the PS PCB insulator (see below) and the cable guides provided on the AC cord holder (see the next page).

  • Page 242

    Lock of the lower MJ/PS shield Power supply shield Main-MJ (EXT) harness (black)* Main-MJ (LINE) harness (yellow)* Power supply harness Hole provided in the lower MJ/PS shield Hole provided in the Shield supports on the lower MJ/PS shield power supply shield (6_50_3_100V) Top view For 100 V series...

  • Page 243

    For 200 V series (4) Remove screw "j" and remove the inlet holder cover and the power inlet together with its bracket. Release the power cord from the cable guides. (See page 6-61.) (5) Remove the power supply shield from the lower MJ/PS shield. (6) Remove three screws "k"...

  • Page 244

    Note for models with a power inlet having a built-in fuse When replacing a fuse built in the power inlet, be sure to use a specified one. Never use any substitute or short-circuit the fuse terminals with conductors. Using a power inlet with an unauthorized fuse will cause a fire or accident.

  • Page 245

    Lock of the lower MJ/PS shield Power supply shield Main-MJ (EXT) harness (black)* Main-MJ (LINE) harness (yellow)* Power supply harness Hole provided in the lower MJ/PS shield Hole provided in the Shield supports on the lower MJ/PS shield power supply shield (6_50_3_200V) For 200 V series Top view...

  • Page 246: Hook Switch Pcb (for Models With Handset)

    6.1.13 Hook Switch PCB (for models with handset) (1) Make sure that the MJ/PS shield unit has been removed. (2) Make sure that the hook switch harness has been disconnected from the main PCB. (3) Release the hook switch actuator from the lower cover, turn it counterclockwise (viewed from the left), and remove it together with the spring.

  • Page 247

    (6) Place the machine right side up. (7) Lift the hook switch PCB up and out of the lower cover. Hook switch PCB Hook switch harness Lower cover (6_55) 6-63 Confidential...

  • Page 248: Head/carriage Unit And Ink Refill Assy

    6.1.14 Head/Carriage Unit and Ink Refill ASSY During disassembly jobs, except when removing the ink refill ASSY or engine unit (including the maintenance unit), leave the head/carriage unit in the machine. Before removing the head/carriage unit, ink refill ASSY or engine unit, you need to remove all four ink cartridges and set the protective part instead (see page 6-4).

  • Page 249

    Tube support plate and tube support wire (3) Release the four ink supply tubes from the tube support wire. (4) Pull up the latch and slide the tube support plate to the left, and then take the plate out of the lower cover together with the tube support wire.

  • Page 250

    Assembling Note: After making sure that the ink supply tubes are routed between the tube/cable guide and the lower cover, pass the ink supply tubes through the bent section of the tube support wire as shown below. Tube guide Tube guide Tube guide Bent section of tube support wire...

  • Page 251

    Head cover (6) Move the head/carriage unit to position "P" (shown below) by hand. Assembling Note: When accessing the head/carriage unit placed on the engine unit, put the head/carriage unit in position "P" (on the right edge of the engine chassis). Note: If the head/carriage unit does not move, rotate the ASF/maintenance drive gear counterclockwise (viewed from the left) by hand to unlock the head/carriage unit and move it to position "P."...

  • Page 252

    Carriage PCB ASSY (carriage PCB with head flat cables) (8) Unlock the connector on the carriage PCB and disconnect the carriage-head flat cable. Note: After disconnecting the flat cable, check that it is not damaged at its end or short- circuited.

  • Page 253

    Routing the Head Flat Cables When Mounting the Carriage PCB ASSY 1) Mount the carriage PCB ASSY on the head/carriage unit (see the previous page). 2) On the head/carriage unit, route the head flat cables through the cable guide and fit the hole in the film over the boss as shown below.

  • Page 254

    Head joint and ink refill ASSY (12) Pull out the joint leaf spring to the right to release the head joint. (13) Pull the head joint up and off the head/carriage unit. Remove the head joint rubber (that is a part of the head/carriage unit but may come off with the head joint) and put it on a clean vinyl sheet while taking care not to contaminate it.

  • Page 255

    (14) Take out the ink supply tubes routed on the lower cover. (15) If the main PCB has not been removed, disconnect the ink cartridge detection sensor harness and the ink empty sensor harness from the main PCB. (16) Lift the ink refill ASSY up and out of the lower cover. Note: On the back of the ink refill ASSY is an ink foam that may be stained with ink.

  • Page 256

    Head/carriage unit and CR timing belt Note: During the removal or installation of the head/carriage unit, take care not to contaminate the PF encoder disk with ink or grease. (17) While pressing the idle pulley holder to the right, remove the CR timing belt from the carriage motor pulley and idle pulley.

  • Page 257

    • When mounting a new head/carriage unit, apply the specified lubricant to the specified points, referring to Section 6.2. Also, after mounting a new head/carriage unit, apply the specified lubricant to the specified points on the sliding surfaces of the CR guide rail and CR support chassis, referring to Section 6.2.

  • Page 258

    (21) A head/carriage unit is assigned a property code that represents the properties unique to that head/carriage unit. The property code is printed on head property labels--bar code label and QR code label, each of which is attached to the lower cover and carriage-head flat cable, respectively.

  • Page 259

    Note: When storing the head/carriage unit for a long period, be sure to put a head joint rubber and an air buffer cap on the head/carriage unit and store the unit in the head casing, as shown below. Leaving the head/carriage unit out of the casing will cause the head nozzles and ink supply ports to dry up, resulting in a damaged head.

  • Page 260: Ink Absorber Box, Ink Absorber Felts, And Pf Encoder Disk

    6.1.15 Ink Absorber Box, Ink Absorber Felts, and PF Encoder Disk Note: Do not remove the ink absorber box unless it needs to be replaced. Note: Once the main drain tube is removed from the ink absorber box for the replacement of the ink absorber box, it will become unusable and new part will have to be put back in.

  • Page 261

    (5) Peel off the PF encoder disk from the PF roller gear L only when it should be replaced. Note: Once removed, the PF encoder disk will become unusable and a new disk will have to be put back in. Note: Remove any adhesive remaining left on the PF roller gear L.

  • Page 262: Engine Unit And Flushing Box

    6.1.16 Engine Unit and Flushing Box During disassembly jobs, except when removing the ink refill ASSY or engine unit (including the maintenance unit), leave the head/carriage unit in the machine. Before removing the head/carriage unit, ink refill ASSY or engine unit, you need to replace all four ink cartridges with the protective part (see page 6-4).

  • Page 263

    (5) Take the paper feed motor harness and PF encoder/registration sensor harness out of the harness guides provided on the lower cover. Assembling Note: Route the harnesses as shown on the next page. (6) Lift the engine unit up and out of the lower cover in the direction of the arrow shown below, holding the inner chute located beneath the CR guide rail.

  • Page 264

    CR guide rail Registration sensor PCB PF encoder disk PF encoder sensor wires (4-wire) PF encoder/ Lower cover registration (Rear) sensor harness (7-wire) Paper feed motor harness Registration sensor wires (3-wire) Carriage motor harness ASF motor harness Paper feed motor harness (Front) ASF encoder harness PF encoder/registration...

  • Page 265

    6.1.17 Components on the Engine Unit (Earth spring, Maintenance unit, ASF motor*, Carriage motor, Star wheel holder, Paper ejection roller, Platen, Inner chute ASSY, Registration sensor actuator, PF encoder/ registration sensor harness unit, Paper pull-in rollers R and L, ASF gear shaft outer, and PE actuator) *ASF motor: Auto Sheet Feeder motor Earth spring...

  • Page 266

    Maintenance unit (2) Release the right end of the switching lever guide from the maintenance unit and remove it. Assembling Notes: • When mounting the switching lever guide on the maintenance unit, apply the specified lubricant to the specified point, referring to Section 6.2.

  • Page 267

    ASF motor (5) Unlatch the shaft holder and remove it from the maintenance unit. (6) Remove the idle gear 16 and the ASF/maintenance drive gear. (7) Remove the ASF motor from the maintenance unit by removing the two screws. Assembling Note: When mounting the ASF motor on the maintenance unit, first fit the small hole of the ASF motor on the small boss inside the ASF motor holder, then secure the motor with the two screws.

  • Page 268

    Carriage motor (9) Remove the carriage motor from the engine unit by removing the two screws. Screw, bind M3x6 CR guide rail CR support chassis (Front) Carriage motor (6_78) 6-84 Confidential...

  • Page 269

    Star wheel holder (10) Remove two CR frame springs from the CR support chassis. (11) Lift up the CR support chassis. (12) While lightly pressing down the two bosses that fit in the oval holes provided in the CR support chassis, slide the star wheel holder to the front to release the small tabs from the square holes of the CR support chassis and remove it.

  • Page 270

    Paper ejection roller and platen (13) Release the PF timing belt from the paper ejection roller gear. (14) Pull the lock arm of the bushing at each end of the paper ejection roller outwards and turn it upright. (15) Lift the paper ejection roller and remove the platen from the engine unit. Assembling Note: When mounting the paper ejection roller, first insert the tab of the gear holder on its left side into the slit in the platen, set the roller’s bushings into the engine chassis, and then fit the bosses on the lock arms of the bushings into the holes provided in...

  • Page 271

    Inner chute ASSY, registration sensor actuator, and PF encoder/registration sensor harness unit* * The PF encoder/registration sensor harness unit consists of a PF encoder PCB, registration sensor PCB, and PF encoder/registration sensor harness. (16) Release the three latches of the inner chute ASSY from the engine unit. First pull and release the rightmost latch (viewed from the rear) and then the remaining two ones.

  • Page 272

    (18) Turn the registration sensor actuator in the direction of the arrow shown below and take it off the inner chute ASSY. The sensor actuator spring comes off. (19) Take the registration sensor PCB out of the support arms. Note: The registration sensor PCB and the PF encoder PCB are assembled with their harnesses.

  • Page 273

    (20) At the left end of the engine unit, remove the screw that secures the PF encoder PCB and its support to the engine unit, taking care not to touch the PF encoder disk (if it has not been removed in Section 6.1.15).

  • Page 274

    Paper pull-in rollers R and L, and ASF gear shaft outer (22) Pull the pawl outwards and remove the paper pull-in roller R. Then pull out the paper pull- in roller L while turning it. The paper pull-in gear also comes off. Assembling Note: Before mounting the paper pull-in roller L, apply the specified lubricant to the specified points, referring to...

  • Page 275

    PE actuator (25) Lift up the front end of the PE actuator as shown below. Using the spring hook or the like, release the long end of the PE actuator spring from the groove provided in the PE actuator, and then remove the spring. Note: When releasing the spring, hold it taking care not to let the spring bounce off.

  • Page 276

    Assembling Note: First mount the PE actuator on the gear holder and then set the spring back into place, using the following steps. 1) Fit either one of the bosses on the PE actuator into the hole in the gear holder, pull the PE actuator outward, and fit the other one.

  • Page 277

    6.1.18 Bank ASSY and Base Pad on the Paper Tray ASSY (1) Pull the four lock arms on the rear of the paper tray outwards and release the four latches of the bank ASSY. Then pull the bank ASSY up and out of the paper tray. (2) If the base pad needs to be replaced, peel it off the bottom of the paper tray.

  • Page 278: Outing Of Harnesses/flat Cables/ink Supply Tubes

    6.1.19 Routing of the Harnesses, Flat Cables, and Ink Supply Tubes Routing A: Document front and rear sensor harnesses*, CIS motor harness, ADF motor harness* and grounding wire* on the upper cover * For models with ADF Models with ADF Route the bundle of the document front and rear sensor harnesses on this...

  • Page 279

    Routing B: Document front and rear sensor harnesses on the ADF unit (for models with ADF) On the ADF unit (viewed from the bottom) Bottom view Document roller holder Cable guide Document front sensor harness ADF unit ADF motor harness Cable guides (Rear) ADF drive unit...

  • Page 280

    Routing C: Microphone harness (a part of the panel-main harness) on the control panel ASSY (for models with microphone) *1 For models with microphone *2 For models with touch panel Panel-main harness Microphone Microphone harness (Rear) Cable guides Control panel PCB ASSY Cable guides Touch panel harness...

  • Page 281

    Routing E: Battery harness (for models with backup battery) and speaker harness (for models with speaker) Backup battery * Upper cover Cable guide Cable guide Speaker * (Front) Cable guide Battery harness * Speaker harness * Main PCB (6_40_r1) Routing F: Antenna wire (for models with cordless handsets) Antenna support Upper cover Antenna wire...

  • Page 282

    Routing G: WLAN PCB harness (for wireless LAN-enabled models) * For wireless LAN-enabled models Main PCB shield Grounding wire * Taptite, cup S M3x6 WLAN PCB harness * Main PCB Latch Boss Boss Cover arm Socket Ink cartridge cover Lower cover Latch Inner media module cover...

  • Page 283

    Routing H: Carriage motor harness, ASF motor harness, paper feed motor harness, PF encoder/registration sensor harness, power supply harness, main-MJ (EXT) harness , main-MJ (LINE) harness , and hook switch harness on the lower cover *1 For MFC only *2 For models with handset On the SDAA enclosure Main-MJ (LINE) SDAA enclosure...

  • Page 284

    Routing I: Power supply harness, power cord, main-MJ (LINE) harness*, main-MJ (EXT) harness* in the MJ/PS shield unit * For MFC only 100 V series PS PCB insulator Power supply PCB Main-MJ (EXT) harness (black)* Main-MJ (LINE) harness (yellow)* Lower MJ/PS shield Power supply harness Power supply PCB Lower MJ/PS shield...

  • Page 285

    * For MFC only Lock of the lower MJ/PS shield Power supply shield Main-MJ (EXT) harness (black)* Main-MJ (LINE) harness (yellow)* Power supply harness Hole provided in the lower MJ/PS shield Hole provided in the Shield supports on the lower MJ/PS shield power supply shield (6_50_3_100V_200V) 6-101...

  • Page 286

    * For MFC only For 100 V series Top view Ferrite core Main-MJ (EXT) harness (black) * Cable guides Power supply shield Main-MJ (LINE) harness (yellow) * Power cord PS PCB insulator Power supply PCB Route the power cord Power supply under this tab.

  • Page 287

    Routing J: Ink supply tubes Tube guide Tube guide Tube guide Bent section of tube support wire Black (Front) Sponge Lower cover Yellow Cyan Magenta (6_69) Tube/cable guide Routing K: Head flat cables Head flat Cable guide cables Tube/cable guide V-shaped cable guide Tube support wire Tube support plate...

  • Page 288

    Routing L: Purge cam switch harness, cap lift cam switch harness, carriage motor harness, and ASF motor/encoder harness on the lower cover Carriage motor Purge cam switch Cap lift cam Ferrite cores harness harness switch harness Cable guide (on the maintenance unit) Cap lift cam switch harness ASF motor...

  • Page 289

    Routing M: PF encoder/registration sensor harness On the inner chute ASSY Support arms Cable guide Inner chute ASSY PF encoder/registration sensor harness Cable guide (6_61_3) On the lower cover Registration sensor PCB CR guide rail PF encoder disk Registration sensor wires PF encoder sensor wires (4-wire)

  • Page 290

    Routing N: Harnesses, flat cables and ink tubes on the lower cover Top view Ink supply tubes Head flat cables (Lower cover) PF encoder/ registration sensor harness Paper feed motor harness Carriage motor harness Hook switch harness* Charge harness* Power supply harness (Connector for WLAN PCB harness* ) ASF encoder...

  • Page 291

    LUBRICATION Apply the specified lubricants to the lubrication points as shown below. Lubricant type Lubricant amount Lubrication points (Manufacturer) per point Permalub BAN-5 Head/carriage unit 1.5 mm diameter ball (Nippon Koyu) Motor plate and CR guide rail 1 mm diameter ball (bottom edges) Switching lever guide 3 mm diameter ball...

  • Page 292

    Motor plate and CR guide rail (bottom edges) Apply a 1 mm diameter ball of grease (Permalub BAN-5) to the lubrication points below. Viewed from the bottom CR support chassis Motor plate 34+1 19+1 (Right) Apply grease here. 42+1 (mm) CR guide rail (6_86) Switching lever guide...

  • Page 293

    CR guide rail and CR support chassis (upper face) Apply a 2 mm diameter ball of grease (FLOIL BG1319) to each of the 16 lubrication points below. Lubrication procedure (1) Move the head/carriage unit to the left end of its travel and hit it against the stoppers provided at the left end of the CR guide rail and support chassis.

  • Page 294

    CR support chassis (front and rear sides of upright rear edge) Apply a 2 mm diameter ball of grease (FLOIL BG1319) to each of the 22 lubrication points (front and back surfaces of the rear vertical edge of CR support chassis) as shown below. Head/carriage unit CR support chassis (Front)

  • Page 295

    Paper pull-in idle gear and paper pull-in roller L Apply a 3 mm diameter ball of grease (Molykote EM-30LP) to the lubrication point on the paper pull-in idle gear as shown below. After applying the grease at the center of a gear teeth, rotate the gear until the lubrication point is hidden by the adjacent gear, taking care not to touch the paper pull-in rollers.

  • Page 296

    CHAPTER 7 ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS REPLACEMENT Confidential...

  • Page 297: Required After Parts Replacement

    CHAPTER 7 ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS REPLACEMENT This chapter details adjustments and updating of settings, which are required if the head/carriage unit, main PCB and some other parts have been replaced. CONTENTS PREPARATION ...................... 7-1 7.1.1 Requirements ....................

  • Page 298

    [ 13 ] Adjust margins in borderless printing (Function code 66) ....7-34 [ 14 ] Print out an ADF copy chart and make a copy of that chart in ADF scanning (For models with ADF)........... 7-34 [ 15 ] Check LCD operation and specify the LCD type (Function code 12) ................

  • Page 299

    Before proceeding to perform any adjustments or update any settings, you need the executables, data files, spare parts and supplies (provided by Brother Industries) and must set up your PC. Note: Before starting any operation involving printing of check patterns, be sure to set A4-size recording paper.

  • Page 300

    Spare Parts and Supplies Required for Adjustments and Updating of Settings Recording paper Ink cartridges Protective part (A4-size) Head/carriage unit, Engine unit √ √ √ (Section 7.2) √ √ Main PCB (Section 7.3) ADF & document cover ASSY, √ √ ADF-related parts (Section 7.4)

  • Page 301

    You will have to replace the main PCB and load programs to a new PCB. Preparation You need the Brother Maintenance USB Printer driver and filedg32.exe (provided by Brother Industries). Save them in an arbitrary folder in your PC.

  • Page 302

    (5) Connect the machine to your PC using the USB cable. The following window appears. (6) The following screen appears, indicating the detection of new hardware device by the system. Select "No, not this time." And click Next. (7) Select "Install the software automatically (Recommended)" and click Next. Confidential...

  • Page 303

    (8) Alert warning message of WHQL appears. Click Continue Anyway to proceed. Confidential...

  • Page 304

    Click Finish to return. NOTE: In order to check whether the printer driver is successfully installed, click Start | Settings | Printers to call up the Printers window. Then, check that the Brother Maintenance USB Printer icon is shown.

  • Page 305

    IF YOU REPLACE THE HEAD/CARRIAGE UNIT OR ENGINE UNIT [ 1 ] Update the head property information stored in the EEPROM on the main PCB (1) Make sure that the machine's power cord is unplugged from an electrical outlet. If the machine is connected to a PC, unplug the USB cable. (2) Switch on the PC.

  • Page 306

    (6) On the PC, run the ID/head property setup utility (brusbsn.exe) in the folder created. The following window appears. (7) On the model menu, click BH9. Confidential...

  • Page 307

    (8) In Port on the BrUsbSn screen, select the port number assigned to the Brother Maintenance USB Printer. If the port number is unknown, follow steps 1) through 4) below. 1) Click Start | Settings | Printers. The Printers window appears as shown below.

  • Page 308

    The Brother Maintenance USB Printer Properties window appears as shown below. 4) Click the Ports tab. In this example, the port number assigned to the Brother Maintenance USB Printer is USB001. (9) In the Head Info. box on the BrUsbSn screen...

  • Page 309

    [ 2 ] Clean the new head/carriage unit (Function code 76) (1) Open the ink cartridge cover, set new ink cartridges into the ink refill ASSY, and close the ink cartridge cover. (2) Carry out a purge operation (with function code 76) using the steps below. (See Chapter 9, Section 9.1.4.27.)

  • Page 310

    [ 3 ] Print out a test pattern (Function code 09) To check that the head/carriage unit normally sprays ink droplets from all head nozzles, print out a test pattern with function code 09 (see Chapter 9, Section 9.1.4.4) with the following steps.

  • Page 311

    (1) Run "filedg32.exe" in the folder created. The Filedrgs window appears as shown below. (2) Drag and drop the "incline.prn" icon onto the Brother Maintenance USB Printer driver icon in the Filedrgs window shown above. The machine displays the "RECEIVING DATA" on the LCD and prints out the "Incline Adjust"...

  • Page 312

    Head Positioning Test Pattern 7-14 Confidential...

  • Page 313

    (4) Move the head/carriage unit to the center of its travel with function code 63 (see Chapter 9, Section 9.1.4.20) using the following key operation. Models with numerical keypad: Press the 6, 3, and Black Start (Mono Start) keys in this order to display "START 63?"...

  • Page 314

    The Filedrgs window appears as shown below. For the paper feed roller adjustment (2) Drag and drop the "pfadj.prn" onto the Brother Maintenance USB Printer driver icon in the Filedrgs window shown above. The machine displays the "RECEIVING DATA" on the LCD and prints out "PF adjust check"...

  • Page 315

    For the paper ejection roller adjustment (7) On your PC, drag and drop the "exitadj.prn" onto the Brother Maintenance USB Printer driver icon in the Filedrgs window. The machine displays the "RECEIVING DATA" on the LCD and prints out the "EXIT adjust check"...

  • Page 316

    Paper Feeding Check Pattern for the Paper Feed Roller 7-18 Confidential...

  • Page 317

    Paper Feeding Check Pattern for the Paper Ejection Roller 7-19 Confidential...

  • Page 318

    [ 6 ] Align vertical print lines (Function code 65) Before starting the operation below, be sure to set A4-size paper in the paper tray for printing check patterns. (1) Press the 6, 5 and 1 keys in this order. (For models without numerical keypad, enter 6, 5, and 1 in this order using the and OK keys.) The machine displays the "PRINTING"...

  • Page 319

    Vertical Alignment Check Patterns (2/2) 7-21 Confidential...

  • Page 320

    The Filedrgs window appears as shown below. Left and right margin adjustment (2) Drag and drop the "media.prn" onto the Brother Maintenance USB Printer driver icon in the Filedrgs window shown above. The machine displays the "RECEIVING DATA" on the LCD and prints out the "MEDIA CHECK"...

  • Page 321

    Bottom margin adjustment (11) Drag and drop the "bottomadj.prn" onto the Brother Maintenance USB Printer driver icon in the Filedrgs window shown on the previous page. The machine displays the "RECEIVING DATA" on the LCD and prints out the "BOTTOM Adjust"...

  • Page 322

    (14) To adjust the bottom margin, enter the measured value (in units of 0.1 mm) multiplied by In this example, the bottom margin measured in step (12) is 3.1 mm, so press the 3, 1, and OK keys. (For models without numerical keypad, enter 3 and 1 using the and OK keys and then press the OK key again.) Upon completion of the entry, the machine automatically returns to the initial stage of the...

  • Page 323

    Left and Right Margin Check Pattern 7-25 Confidential...

  • Page 324

    Bottom Margin Check Pattern 7-26 Confidential...

  • Page 325

    7.1.1. The Filedrgs window appears as shown below. (2) Drag and drop the "qualbh9.prn" onto the Brother Maintenance USB Printer driver icon in the Filedrgs window shown above. The machine displays the "RECEIVING DATA" on the LCD and prints out the "Total Quality Check Pattern"...

  • Page 326

    Total Check Pattern A: Leading-edge print start position B: Checking for horizontal streaks C, E, H, K, M: Margin adjustments for borderless printing D: Paper feed roller adjustment F: Adjustment of vertical print lines G: Head positioning adjustment I: Adjustment of discharging conditions of all nozzles J: Checking for vertical streaks L: Paper ejection roller adjustment 7-28...

  • Page 327

    [ 9 ] Switch back to standby After completion of the adjustment, disconnect the USB cable. Then press the 9 key twice to return to the standby state. (For models without numerical keypad, enter 9 and 9 using the and OK keys.) Note: Be sure to disconnect the USB cable first.

  • Page 328: If You Replace The Main Pcb

    IF YOU REPLACE THE MAIN PCB Note: If you replace the main PCB, it is necessary to make a backup of the machine information and user setting information into an external memory before starting disassembly of the machine. After the completion of reassembling jobs, restore the backup data to the new main PCB. For detailed procedure of the backup and restoration, refer to Chapter 9, Section 9.1.4.13 "Backup of Machine Information (Function code 46) (User-accessible)."...

  • Page 329

    [ 9 ] Set an ID code and update the head property information Note: Make sure that the Brother Maintenance USB Printer driver has been installed to your PC. To do it, click Start | Settings | Printers to call up the Printers window and confirm that...

  • Page 330

    (4) On the model menu, click BH9. (5) In Port on the BrUsbSn screen, select the port number assigned to the Brother Maintenance USB Printer. If the port number is unknown, follow the instructions given in Section 7.2 [ 1 ], step (8).

  • Page 331

    (7) In the Head Info. box, type the 16-digit property code (e.g., ALR7765501200000) which is printed on the bar code label attached to the lower cover. Click the OK button. Head property label (Bar code label) (head_property_BHmini9) (8) Check whether the entered character strings (ID code and head property information) are correct with the following procedure.

  • Page 332

    TIP: Models equipped with a numerical keypad on the control panel can enter the maintenance mode in the same way as conventional models; that is, by pressing the Menu, *, 2, 8, 6 and 4 keys in this sequence. machine beeps approx.

  • Page 333

    (3) Press the 0 key twice. (For models without numerical keypad, enter 0 twice using the and OK keys.) The "SPECIAL MAINT" appears on the LCD. (4) Press the 0 and 2 keys in this order. (For models without numerical keypad, enter 0 and 2 in this order using the and OK keys.) The "PLS INPUT NO.0-d"...

  • Page 334

    ------------------------------------------- European models ----------------------------------------------- On the machine (base unit) (1) Check the PIN code of the base unit with Function code 80 in the maintenance mode. (Refer to Chapter 9, Section 9.1.4.30.) On the cordless handset (2) Press the Menu/OK key. (3) Press the key to choose "Register HS,"...

  • Page 335

    7.1.1. The Filedrgs window appears as shown below. (2) Drag and drop the "chart.prn" onto the Brother Maintenance USB Printer driver icon in the Filedrgs window shown above. The machine displays the "RECEIVING DATA" on the LCD and prints out the "ADF COPY CHART"...

  • Page 336

    Check Items on the ADF COPY CHART Check that the copied chart has none of the following defects. A: Contrast chart 1 • Black or white vertical streaks • Patchy color • Missing dots B: Color blocks • Patchy color •...

  • Page 337

    7-39 Confidential...

  • Page 338: Replace Ink Absorber Box Or Flushing Box

    IF YOU REPLACE THE INK ABSORBER BOX OR FLUSHING BOX When either the ink absorber box or flushing box is replaced, you should replace both of them. [ 1 ] Reset each of the purge and flushing counters (1) Switch the machine to the maintenance mode using the steps below. (Refer to Chapter Models without touch panel Press the Menu and Black Start (Mono Start) keys in this order.

  • Page 339

    IF YOU REPLACE THE CONTROL PANEL ASSY OR CONTROL PANEL PCB [ 1 ] Check LCD operation and specify the LCD type (Function code 12) Refer to Chapter 9, Section 9.1.4.6. [ 2 ] Check the operation of the control panel PCB (Function code 13) Refer to Chapter 9, Section 9.1.4.7.

  • Page 340

    IF YOU REPLACE THE WLAN PCB (FOR WIRELESS LAN-ENABLED MODELS) [ 1 ] Transfer EEPROM data (incl. MAC address) to the main PCB MAC address: Media access control address (1) Models without touch panel Press the Menu and Black Start (Mono Start) keys. Next press the , and keys in this order.

  • Page 341

    7.10 IF YOU REPLACE THE CORDLESS HANDSETS (FOR MODELS WITH CORDLESS HANDSETS) [ 1 ] Deregister and register cordless handsets The machine can support up to four cordless handsets registered. If you replace any of them, deregister all cordless handsets and then register them. -- Deregistering a cordless handset -- On the machine (base unit) (1) Press the Menu key.

  • Page 342

    -------------------------------------------- European models ---------------------------------------------- On the machine (base unit) (1) Check the PIN code of the base unit with Function code 80 in the maintenance mode. (Refer to Chapter 9, Section 9.1.4.30.) On the cordless handset (2) Press the Menu/OK key. (3) Press the key to choose "Register HS,"...

  • Page 343

    (3) Press the key to choose the desired country. Then press the Menu/OK key. The "Set country / 1. Yes 2. No" appears on the handset's LCD. (4) Press the 1 key. The cordless handset beeps and displays "Accepted," indicating that the new country setting has been saved.

  • Page 344

    CHAPTER 8 CLEANING Confidential...

  • Page 345

    CHAPTER 8 CLEANING This chapter provides cleaning procedures not covered by the User's Guide. Before starting any repair work, clean the machine as it may solve the problem concerned. For the cleaning procedures of the head/carriage unit, scanner unit, and platen, refer to the User's Guide. CONTENTS CLEANING THE EXTERNAL AND INTERNAL SURFACE OF THE MACHINE ..

  • Page 346

    CLEANING THE EXTERNAL AND INTERNAL SURFACE OF THE MACHINE (1) If the external surface of the machine is stained, clean it with a soft, clean and lint-free cloth. Note: Do not use isopropyl alcohol (IPA) to remove dirt or stains from the molding parts. Doing so may cause cracks in those parts.

  • Page 347

    CLEANING THE MAINTENANCE UNIT (1) Plug the power cord of the machine into an electrical outlet. (2) Switch the machine to the maintenance mode using the steps below. (Refer to Chapter Models without touch panel Press the Menu and Black Start (Mono Start) keys in this order. Next press the four times.

  • Page 348

    Rubycel stick Head wiper Maintenance unit Head cap unit (cleaning_duplex) Confidential...

  • Page 349

    CHAPTER 9 MAINTENANCE MODE Confidential...

  • Page 350

    CHAPTER 9 MAINTENANCE MODE This chapter describes the maintenance mode which is exclusively designed for the purpose of checks, settings and adjustments of the machine using the keys on the control panel*. * In operations for the maintenance mode in models with touch panel, keys of the software keypad displayed on the touch panel are also used.

  • Page 351

    9.1.4.13 Backup of Machine Information (Function code 46) (User-accessible). 9-26 9.1.4.14 Setting of Country/Language (Function code 52) (User-accessible)..9-28 9.1.4.15 Transfer of Received FAX Data and/or Equipment's Log (Function code 53) (User-accessible) ........... 9-29 9.1.4.16 Fine Adjustment of Scanning Start/End Position (Function code 54)..9-31 9.1.4.17 Acquisition of White Level Data and CIS Scanner Area Setting (Function code 55) ................

  • Page 352

    9.2.2.6 EEPROM Parameter Initialization (Function code 198) ......9-78 9.2.3 Maintenance Functions for European Models........... 9-79 9.2.3.1 List of Maintenance Functions .............. 9-79 9.2.3.2 Version Information on Cordless Handset..........9-79 9.2.3.3 Checking of Cordless Handset ID Code ..........9-80 9.2.3.4 Checking of Base ID Code ..............9-80 9.2.3.5 Setting of Country for Cordless Handset..........

  • Page 353

    MAINTENANCE MODE FOR THE MACHINE 9.1.1 Entry into the Machine Maintenance Mode For models without touch panel (1) Press the Menu and Black Start (Mono Start) keys in this order. Next press the four times to switch the machine to the maintenance mode. machine beeps approx.

  • Page 354

    (3) To select one of the maintenance-mode functions listed in Section 9.1.2, enter the corresponding 2-digit function code with the numerical keys. (The details of each maintenance-mode function are described in Section 9.1.4.) TIP: Models with numerical keypad on the control panel can enter the maintenance mode in the same way as conventional models;...

  • Page 355

    9.1.2 List of Machine Maintenance-mode Functions Maintenance-mode Functions Function Reference Section Function Code (Page) EEPROM Parameter Initialization 9.1.4.1 (9-5) Printout of Scanning Compensation Data 9.1.4.2 (9-6) ADF Performance Test 9.1.4.3 (9-8) Test Pattern 9.1.4.4 (9-9) Firmware Switch Setting 9.1.4.5 (9-11) Printout of Firmware Switch Data 9.1.4.5 (9-14) Operational Check of LCD and Specifying of the LCD Type...

  • Page 356

    9.1.3 User-access to the Machine Maintenance Mode Basically, the maintenance-mode functions listed on the previous page should be accessed by service personnel only. However, you can allow end users to access some of these under the guidance of service personnel (e.g., by telephone). The user-accessible functions (codes 10 to 12, 33, 37, 39, 46, 52, 53, 66, 75, 76, 80, 82, 87, 88, and 91) are shaded in the table given on the previous page.

  • Page 357

    9.1.4 Detailed Description of Functions in the Machine Maintenance Mode 9.1.4.1 EEPROM Parameter Initialization (Function code 01, 91) Function The machine initializes the parameters, user switches, firmware switches and assurance mode switch settings registered in the EEPROM, to the initial values. Entering function code 01 initializes almost all of the EEPROM areas, but entering 91 does not initialize some areas, as listed below.

  • Page 358

    9.1.4.2 Printout of Scanning Compensation Data (Function code 05) Function The machine prints out the white and black level data for scanning compensation. Operating Procedure Do not start this function merely after powering on the machine but start it after carrying out a sequence of scanning operation.

  • Page 359

    Scanning Compensation Data List Confidential...

  • Page 360

    9.1.4.3 ADF Performance Test (Function code 08) Function The machine counts the documents fed by the automatic document feeder (ADF) and displays the count on the LCD for checking the ADF performance. This function is applicable to the models with ADF. Operating Procedure (1) Set documents.

  • Page 361

    9.1.4.4 Test Pattern (Function code 09) Function This function prints out a test pattern (Print Quality Check sheet) to allow the service personnel to check the print quality. Before starting the operation below, be sure to set A4-size paper in the paper tray for printing check patterns.

  • Page 362

    Test Pattern 9-10 Confidential...

  • Page 363

    9.1.4.5 Firmware Switch Setting and Printout (Function codes 10 and 11) (User-accessible) [ A ] Firmware switch setting Function The machine incorporates the following firmware switch functions which can be activated with the procedures using the control panel keys. The firmware switches have been set at the factory in conformity to the communications standards and codes of each country.

  • Page 364

    Firmware Switches (WSW01 through WSW60) Continued WSW No. Function WSW34 Function setting 12 WSW35 Function setting 13 (Not used.) WSW36 Function setting 14 WSW37 Function setting 15 WSW38 V.34 transmission settings WSW39 V.34 transmission speed WSW40 V.34 modem settings WSW41 ON-duration of the scanning light source WSW42 Internet mail settings...

  • Page 365

    Operating Procedure (1) Press the 1 and 0 keys in this order in the initial stage of the maintenance mode. For models without numerical keypad, enter 1 and 0 in this order using the and OK keys. The machine displays the "WSW00" on the LCD and becomes ready to accept a firmware switch number.

  • Page 366

    [ B ] Printout of firmware switch data Function The machine prints out the setting items of the firmware switches and their contents specified. Operating Procedure (1) Press the 1 key twice in the initial stage of the maintenance mode. For models without numerical keypad, enter 1 twice using the and OK keys.

  • Page 367

    Configuration List 9-15 Confidential...

  • Page 368

    9.1.4.6 Operational Check of LCD and Specifying of the LCD Type (Function code 12) (User-accessible) Function This function allows you to check whether the LCD works normally. It should be used to specify the LCD type if the 3.3-/4.2-inch color LCD unit or main PCB is replaced. Operating Procedure Checking the display state of the LCD If the the 3.3-/4.2-inch color LCD unit or main PCB has been replaced, first specify the LCD...

  • Page 369

    (4) Press the Stop/Exit key in any process of the above display cycle. The machine returns to the initial stage of the maintenance mode. Specifying the LCD type (only for models with a 3.3-/4.2-inch color LCD unit) If the LCD unit or main PCB has been replaced, specify the LCD type using the procedure below.

  • Page 370

    (3) After the last number key is pressed, the machine beeps (MFC only) and returns to the initial stage of the maintenance mode. To terminate this operation, press the Stop/Exit key. The machine returns to the initial stage of the maintenance mode. MFC990CW/790CW MFC490CW Key Entry Order 9-18...

  • Page 371

    MFC290C/250C DCP585CW/385C DCP185C/165C/145C Key Entry Order 9-19 Confidential...

  • Page 372

    Operating Procedure (1) Switch your PC ON and insert an external memory. (2) Create a folder named "BROTHER" in the top layer of the external memory's directory and copy the firmware file having the extension .pjl into that folder. NOTE: Before copying, check that the file name of the firmware matches with your machine.

  • Page 373

    9.1.4.9 Sensor Operational Check (Function code 32) Function This function allows you to check the following: • Document front sensor (for models with ADF) • Document rear sensor (for models with ADF) • Scanner cover sensor • Registration sensor • Ink cartridge cover sensor •...

  • Page 374

    Given below is the relationship between the LCD indication, sensor name and sensor status. Sensors Sensing status Document front sensor* No document detected. Document rear sensor* No document detected. Scanner cover sensor Scanner cover closed. Registration sensor No recording paper detected. Ink cartridge cover sensor Ink cartridge cover closed.

  • Page 375

    9.1.4.10 Addition of Cordless Handsets (Function code 33) (User-accessible) Function This function allows you to register cordless handsets and deregister all cordless handsets. Operating Procedure -- Registering a cordless handset -- ---------------------------------------------- USA models --------------------------------------------------- On the machine (base unit) (1) Press the 3 key twice in the initial stage of the maintenance mode.

  • Page 376

    On the machine (base unit) (6) Press the Stop/Exit key. The machine returns to the ready-to-register state, showing the "REGISTER HANDSET" on the LCD. (7) Press the Stop/Exit key again. The machine returns to the initial stage of the maintenance mode. -- Deregistering all cordless handsets -- (1) Press the 3 key twice in the initial stage of the maintenance mode.

  • Page 377

    9.1.4.11 Printout of Dial Log (Function code 37) (User-accessible) Function The machine prints out a list of telephone numbers dialed. Operating Procedure (1) Press the 3 and 7 keys in this order in the initial stage of the maintenance mode. The machine displays the "PRINTING"...

  • Page 378

    NOTE: Do not use a Memory Stick; using it may fail to transfer data correctly. Backup Procedure (1) On the PC, create a "Brother" folder in an external memory to be used for saving backup data. (2) Insert the external memory into the slot of the machine in the initial stage of the maintenance mode.

  • Page 379

    The external memory is being used by another operation. Insert Card No external memory is inserted. No file - No "BROTHER" folder in the external memory - Invalid file name Card Error Failed to open the file. Machine ID Error Mismatch of serial numbers between the machine and the backup data (which is detected only in data restoration).

  • Page 380

    9.1.4.14 Setting of Country/Language (Function code 52) (User-accessible) Function Machines have been customized for their destination countries with the corresponding EEPROM customizing codes (see Section 9.1.4.25, Function code 74). However, some customizing codes are shared by two or more destination countries, so the machines customized by these codes require further specifying individual destination countries or languages.

  • Page 381

    9.1.4.15 Transfer of Received FAX Data and/or Equipment's Log (Function code 53) (User-accessible) Function This function transfers received FAX data to another machine. It is useful when the machine cannot print received data due to the printing mechanism defective. This function is applicable to the MFC only. NOTE: The number of files that can be transferred at a time is 99.

  • Page 382

    Cover page sample Title Job number Total number of pages to be transferred Station ID registered in the sender equipment FAX number of the sender equipment Telephone number of the sender equipment Transfer start date Model code Boot ROM info Program manager ROM info Main ROM info Serial number...

  • Page 383

    9.1.4.16 Fine Adjustment of Scanning Start/End Position (Function code 54) Function This function allows you to adjust the scanning start/end position. For models without an ADF, selecting "1.ADF" in steps (2) and (3) below produces nothing. Select "2.FB" to adjust the start/end position of flat-bed scanning. Operating Procedure (1) Press the 5 and 4 keys in this order in the initial stage of the maintenance mode.

  • Page 384

    9.1.4.17 Acquisition of White Level Data and CIS Scanner Area Setting (Function code 55) Function This function allows the machine to obtain white level data for the CIS scanner and save it together with the CIS scanner area into the EEPROM on the main PCB. Operating Procedure (1) Press the 5 key twice in the initial stage of the maintenance mode.

  • Page 385

    The Filedrgs window appears as shown below. For the paper feed roller adjustment (5) Drag and drop the "pfadj.prn" onto the Brother Maintenance USB Printer driver icon in the Filedrgs window shown above. The machine displays the "RECEIVING DATA" on the LCD and prints out "PF adjust check"...

  • Page 386

    For the paper ejection roller adjustment (10) On your PC, drag and drop the "exitadj.prn" onto the Brother Maintenance USB Printer driver icon in the Filedrgs window. The machine displays the "RECEIVING DATA" on the LCD and prints out the "EXIT adjust check"...

  • Page 387

    Paper Feeding Check Pattern for the Paper Feed Roller 9-35 Confidential...

  • Page 388

    Paper Feeding Check Pattern for the Paper Ejection Roller 9-36 Confidential...

  • Page 389

    9.1.4.19 Checking of CIS Travel and Specifying of CIS Type (Function code 59) Function This procedure allows you to check the movement of the CIS unit integrated in the scanner cover (scanner unit). The CIS unit travels to the three positions--the white reference film position, scanning start and end positions.

  • Page 390

    -- Specify the CIS type -- Note: Before proceeding to the CIS type specification procedure, be sure to update the firmware to the latest version. Otherwise, an error may occur. (1) Open the scanner cover and check the CIS type shown on the bar code label. Press 0 key.

  • Page 391

    9.1.4.20 Travel Check of the Head/Carriage Unit and Initial Setup Mode (Function code 63) Function This procedure moves the head/carriage unit to the center of its travel (Function code 63 + *). NOTE: In models with touch panel, press the Black Start (Mono Start) key, press the Scan and Copy keys simultaneously, and then press the * key.

  • Page 392

    9.1.4.21 Alignment of Vertical Print Lines in Monochrome (Function code 65) Function This function allows you to align vertical lines printed in the forward and backward direction of the head/carriage unit. If the head/carriage unit or main PCB is replaced with a new one, you need to make the adjustment given in this section.

  • Page 393

    Vertical Alignment Check Patterns (1/2) 9-41 Confidential...

  • Page 394

    Vertical Alignment Check Patterns (2/2) 9-42 Confidential...

  • Page 395

    The Filedrgs window appears as shown below. Left and right margin adjustment (5) Drag and drop the "media.prn" onto the Brother Maintenance USB Printer driver icon in the Filedrgs window shown above. The machine displays the "RECEIVING DATA" on the LCD and prints out the "MEDIA CHECK"...

  • Page 396

    Bottom margin adjustment (14) Drag and drop the "bottomadj.prn" onto the Brother Maintenance USB Printer driver icon in the Filedrgs window shown on the previous page. The machine displays the "RECEIVING DATA" on the LCD and prints out the "BOTTOM adjust"...

  • Page 397

    (16) If the bottom margin is out of the specified range, press the 6 key twice and the # key on the machine. For models without numerical keypad, enter 6, 6, and # in this order using the and OK keys. NOTE: In models with touch panel, to display the numerical, * and # keys, it is necessary to switch the software keypad between the numerical and function keypads by pressing the Scan and Copy keys simultaneously.

  • Page 398

    Left and Right Margin Check Pattern 9-46 Confidential...

  • Page 399

    Bottom Margin Check Pattern 9-47 Confidential...

  • Page 400

    9.1.4.23 Updating of Property Data (Function code 68) Function To keep the print quality, the controller optimizes the drive conditions of individual head/ carriage units according to the property data. For instance, the controller optimizes the head drive strength, ink jet-out timing and other drive conditions according to the electromechanical properties unique to individual head/carriage units and ambient temperature.

  • Page 401

    9.1.4.24 Head/Carriage Unit Traveling Speed Check (Function code 69) Function This function checks whether or not the traveling speed of the head/carriage unit is within the specified range. This procedure should be performed when you replace the head/carriage unit or carriage motor, or when you loosen the CR timing belt.

  • Page 402

    9.1.4.25 EEPROM Customizing (Function code 74) The "EEPROM Customizing Codes List" is given on the following pages. Function This function allows you to customize the EEPROM according to language, function settings, and firmware switch settings. NOTE: If you replace the main PCB, be sure to carry out this procedure. Operating Procedure (1) Press the 7 and 4 keys in this order in the initial stage of the maintenance mode.

  • Page 403

    EEPROM Customizing Codes List Chile Destination Canada Brazil Germany Mexico Argentina Ireland DCP-145C 0004 0004 DCP-165C 0101 0102 0115 0115 0104 0104 DCP-185C 0204 DCP-385C 0001 0002 0004 0004 DCP-585CW 0001 0002 0004 0004 MFC-250C 0001 0002 0004 0003 MFC-290C 0101 0102 0140...

  • Page 404

    0156 MFC-290C 0120 (0106) (0127) 0056 MFC-490CW 0020 (0006) (0027) 0056 MFC-790CW 0020 (0006) (0027) 0056 MFC-990CW (0006) (0027) The above information is as of March 2008. The up-to-date information is available from your local Brother Customer Service. 9-52 Confidential...

  • Page 405

    9.1.4.26 Travel of Head/Carriage Unit (for removing paper particles and dust accumulated on the maintenance unit) (Function code 75) (User-accessible) Function This function is used to remove paper particles and dust accumulated between the maintenance unit and head/carriage unit. Using this function moves the head/carriage unit to the center of its travel, allowing you to easily remove the paper particles and dust accumulated.

  • Page 406: Purge Operation

    9.1.4.27 Purge Operation (Function code 76) (User-accessible) Function The machine can carry out several types of purge operations--head replacement purge, normal purge, periodical reset purge, power purge, initial purge, user reset purge, and engine setup purge. This function allows you to select the desired purge type and carry it out. TIP: The purge types and their details are described on the next page.

  • Page 407

    Purge types, ink usage, purge counts, and purge codes Purge Codes (In the Purge Types Description Ink Usage Purge Counts maintenance mode, Function code 76) Head replacement This is a specially prepared Black: 2.697 ml Black: purge purge for eradicating mixed Per color: 2.620 ml 3 colors: 366 (See Note below.)

  • Page 408

    Resetting purge or flushing counter 1) Switch the machine to the maintenance mode using the steps below. Models without touch panel Press the Menu and Black Start (Mono Start) keys in this order. Next press the four times. Models with touch panel Press the Menu key on the touch panel and the Black Start (Mono Start) key on the control panel.

  • Page 409

    9.1.4.28 Print of the Equipment’s Log (Function code 77) Function The machine prints its log information. Operating Procedure (1) Press the 7 key twice in the initial stage of the maintenance mode. For models without numerical keypad, enter 7 twice using the and OK keys.

  • Page 410

    Head property code CIS type/Engine type/LCD type Version of cordless handset (Internal host/firmware/CP) (only for models with a cordless handset) PictBridge information (only for models supporting PictBridge) Ink drop count, indicating how many droplets have been jetted out from each of the current ink cartridges (including droplets used for purging) Ink drop count after detection of "Ink Low,"...

  • Page 411

    NOTE: The adjustment procedure requires a stylus with a thin tip. A commercially available stylus designed for electronic dictionaries or personal digital assistance (PDA) can be used. If you do not have it on hand, order the "TOUCH PEN" from the Brother’s parts list. Operating Procedure (1) Press the 7 and 8 keys in this order in the initial stage of the maintenance mode.

  • Page 412

    9.1.4.30 Display of the Equipment's Log (Function code 80) (User-accessible) Function The machine can display its log information on the LCD. This procedure allows you to reset the purge count. It is necessary to reset the purge count when the ink absorber box is replaced with a new one without replacing the main PCB. Operating Procedure (1) Press the 8 and 0 keys in this order in the initial stage of the maintenance mode.

  • Page 413

    • Flushing count, indicating how many times the flushing operation has been carried out (With the flushing count displayed, pressing the 2, 7, 8 and 3 keys in this order resets the flushing count.) • Printing history for paper sizes and types* •...

  • Page 414

    9.1.4.31 Equipment Error Code Indication (Function code 82) (User-accessible) Function This function displays an error code of the last error on the LCD. Operating Procedure (1) Press the 8 and 2 keys in this order in the initial stage of the maintenance mode. For models without numerical keypad, enter 8 and 2 in this order using the and OK keys.

  • Page 415

    9.1.4.33 Assurance Mode Switch Setting (Function code 88) (User-accessible) Function The machine incorporates five assurance mode switches (AMS01 through AMS05) that are firmware switches just as the ones described in Section 9.1.4.5. When the machine does not function normally because the usage environments or operating conditions are not usual, the assurance mode switches provide workarounds to make the machine usable by changing the machine settings to untypical ones.

  • Page 416

    AMS01 (Printing assurance 1) Selector Function Setting and Specifications Prevention of stains on back side of leading edge of paper in borderless 0: Disable (default) 1: Enable printing Not used. No. 3 4 0 0 : Enable (Determine the sensor function depending upon the print Protection of platen from no-paper resolution selected) (default)

  • Page 417

    • Selectors 5 and 6: Assurance print 1 and 2 Enabling assurance print 1 or 2 causes the machine to mix black ink (pigment-based) and a little of cyan ink (dye-based) to use in monochrome copy or in monochrome FAX reception and list output, respectively.

  • Page 418

    ON for recording paper except glossy Recording paper selected ON for glossy paper paper (ink jet paper, plain paper, or (Selector 1 = "1") transparency) (Selector 2 = "1") "Highest" Brother premium glossy photo "Photo" paper "Fine" 2.3 mm "Highest" Other glossy paper "Photo"...

  • Page 419

    • Selector 7: Unidirectional print for higher print quality The machine prints bidirectionally by default. To get higher print quality, set this selector to "1" to switch to the unidirectional print mode in which printing is performed only when the head/carriage unit travels from left to right.

  • Page 420

    AMS03 (Maintenance assurance 1) Selector Function Setting and Specifications 0: Disable (default) 1: Enable Protection of head caps from drying No. 2 3 0 0 : 30 seconds (default) 0 1 : 5 seconds Auto capping start time 1 0 : 15 seconds 1 1 : 300 seconds Purge more powerful than normal 0: Disable (default)

  • Page 421

    AMS04 (Maintenance assurance 2) Selector Function Setting and Specifications Line monitor volume (Not used.) 0: Normal (default) 1: Extra-high Not used. 0: Printable with black ink only for a certain amount after detection of ink empty state Black ink print mode 1: Printable with black ink only regardless of color ink remaining.

  • Page 422

    AMS05 (Printing assurance 3) Selector Function Setting and Specifications Not used. No. 3 4 Enabling/disabling the 0 0 : Enable (when borderless printing is disabled) head-platen gap offset (default) settings (made by selectors 0 1 : Enable (when borderless printing is enabled) 1 and 2 on AMS02 and 1 0 : Disable (regardless of borderless printing) selector 6 on AMS05)

  • Page 423

    Combination of AMS02 and AMS05 Enable head-platen gap offset Assurance Regardless of mode when borderless when borderless borderless printing switch printing is disabled printing is enabled setting AMS02 10****** 10****** 10****** Enable only for glossy paper (in any size) AMS05 **00**** **01**** **11****...

  • Page 424

    Combination Enable head-platen gap offset pattern of Users’ problems and requests (for desired target paper and borderless AMS02 and printing) AMS05 settings Stains on any type of paper. Enable for any type of paper (in any size). Minor stains acceptable in printing with borderless printing disabled.

  • Page 425

    9.1.4.34 Cancellation of the Pin TX Lock Mode (Not applicable to Japanese and U.S.A. models) Function This procedure can cancel the Pin TX lock mode. Use this procedure if the user forgets his/her password entered when setting the Pin TX lock mode so as not to exit from the mode. NOTE: Carrying out this procedure will lose passwords previously entered but retain FAX messages received in the Pin TX lock mode.

  • Page 426

    MAINTENANCE FUNCTIONS FOR CORDLESS HANDSETS 9.2.1 Overview Section 9.2 applies to models with a cordless handset. Cordless handsets have the built-in maintenance functions. Their menu and operating procedures differ depending on the shipping destination of the machines. For U.S.A. models, refer to Section 9.2.2;...

  • Page 427

    9.2.2.2 Checking of Cordless Handset ID Code and Base ID Code (Function code 086) Function The cordless handset and base unit (cordless PCB in the machine) each have a unique ID code. When the machine leaves the factory, the cordless handset ID code is registered to the base unit, and the base ID code, to the cordless handset so that the handset and base unit are exclusively paired.

  • Page 428

    9.2.2.3 Measuring of RSSI (Received Signal Strength Indicator) (Function code 195) Function This function is used to measure the RSSI (received signal strength indicator) of outside radio frequency interference (RFI) with the frequency band in a channel selected in an environment where the cordless handset is used.

  • Page 429

    9.2.2.4 Measuring of BER (Bit Error Rate) (Function code 196) Function This function is used to measure the BER (bit error rate) in data received through the wireless communications link between the base unit (cordless PCB in the machine) and the cordless handset.

  • Page 430

    9.2.2.6 EEPROM Parameter Initialization (Function code 198) Function This function initializes the contents of the EEPROM in the cordless handset to the initial values, erasing all personal information stored. NOTE: This function also erases the cordless handset ID code and base ID code which have been registered to the EEPROM in the cordless handset.

  • Page 431

    9.2.3 Maintenance Functions for European Models 9.2.3.1 List of Maintenance Functions The table below lists the maintenance functions built in handsets of European models. To access one of these functions, press the keys specified below on the cordless handset. Maintenance Functions for European Models Display the Reference To access the following function:...

  • Page 432

    9.2.3.3 Checking of Cordless Handset ID Code Function The cordless handset has a unique ID code. When the machine leaves the factory, the cordless handset ID code is registered to the base unit, and the base ID code, to the cordless handset so that the handset and base unit are exclusively paired.

  • Page 433

    (3) Press the key to display "TEST RFPI" and press the Menu/OK key. The 10-digit base ID code appears on the handset's LCD as shown below. Base Unit ID = XXXXXXXXXX Current BASE=Y NOTE: Y indicates the base unit number selected in step (1) above. (4) To return to the standby state, press the C key twice.

  • Page 434

    Appendix 1. Reading Labels This appendix shows the location of labels put on some parts and describes the coding information for serial number, head property data, and manufacturing information. Confidential...

  • Page 435

    Reading Labels An individual machine has a "serial number label" for the machine itself and "property labels" for the head/carriage unit. A battery in the cordless handset also has a "manufacturing information label." This section lists the coding information for those serial number, head property data, and manufacturing information.

  • Page 436

    (2) Head property labels The property code of the head/carriage unit is printed on head property labels--bar code label and QR code label, each of which is attached to the lower cover and the head/carriage unit, respectively. On the lower cover Head property code Production lot number 7765501200000...

  • Page 437

    (3) Manufacturing information label for a battery (in cordless handsets) Nickel metal-hydride battery Production month January July February August March September April October November June December Production year 2008 (app01i) 2009 Confidential App. 1-3...

  • Page 438

    [ 1 ] Preparation ....................App. 2-1 [ 2 ] Installing the Brother Maintenance USB Printer driver ......... App. 2-1 [ 3 ] Loading the programs onto the flash ROM of the machine......App. 2-5 [3.1] If the main PCB is replaced with a new one......... App. 2-5 [3.2] If the main PCB loaded with programs is used...

  • Page 439

    PCB. [ 1 ] Preparation You need the Brother Maintenance USB Printer driver and filedg32.exe (provided by Brother Industries). Save them in an arbitrary folder in your PC. [ 2 ] Installing the Brother Maintenance USB Printer driver To identify machines connected via USB direct interface, the PC requires the corresponding driver for the virtual USB device.

  • Page 440

    machine beeps approx. second (MFC only) displays " " on the LCD, indicating that it is placed in the initial stage of the maintenance mode, a mode in which the machine is ready to accept entry from the keys. (5) Connect the machine to your PC using a USB cable. The following window appears.

  • Page 441

    (8) Alert warning message of WHQL appears. Click Continue Anyway to proceed. App. 2-3 Confidential...

  • Page 442

    Click Finish to return. NOTE: In order to check whether the printer driver is successfully installed, click Start | Settings | Printers to select the Printers window. Then, check that the Brother Maintenance USB Printer icon is shown.

  • Page 443

    [ 3 ] Loading the programs onto the flash ROM of the machine [3.1] If the main PCB is replaced with a new one Unplug the power cord of the machine from the electrical outlet and disconnect the USB cable that connects the machine with your PC. (1) On the machine, follow the steps below to enter the firmware loading mode.

  • Page 444

    (3) On your PC, run "filedg32.exe." The Filedrgs window will appear as shown below. (4) Drag and drop the firmware (e.g., lz0023_a.pmu) onto the Brother Maintenance USB Printer driver icon in the Filedrgs window. Note: To use a firmware file, extract it beforehand by double-clicking. It is a self- extracting file having the extension .exe.

  • Page 445

    (1) On your PC, run "filedg32.exe." The Filedrgs window will appear as shown below. (2) Drag and drop the firmware (e.g., lz0023_a.pmu) onto the Brother Maintenance USB Printer driver icon in the Filedrgs window shown above. Note: To use a firmware file, extract it beforehand by double-clicking. It is a self- extracting file having the extension .exe.

  • Page 446

    To load programs using an external memory (1) Insert an external memory to your PC. (2) Create a folder named "BROTHER" in the top layer of the external memory's directory and copy the firmware file having the extension .pjl into that folder.

  • Page 447

    NOTE 2: After the completion of firmware updating, a file named "mfu-send.log" (which stores the execution log) is created in the layer right below the "BROTHER" folder. NOTE 3: If program loading with an external memory fails, load programs from the PC following the instructions given on page App.

  • Page 448

    Note: Customizing codes customize firmware for individual models, enabling the common firmware to be used for various models. A list of EEPROM customizing codes comes with the firmware data provided by Brother Industries. Confidential...

  • Page 449

    EEPROM Customizing Codes This function allows you to customize the EEPROM according to language, function settings, and firmware switch settings. Refer to the "EEPROM Customizing Codes List" on the following pages. Operating Procedure (1) Switch the machine to the maintenance mode using the steps below. (Refer to Chapter Models without touch panel Press the Menu and Black Start (Mono Start) keys in this order.

  • Page 450

    EEPROM Customizing Codes List Chile Destination Canada Brazil Germany Mexico Argentina Ireland DCP-145C 0004 0004 DCP-165C 0101 0102 0115 0115 0104 0104 DCP-185C 0204 DCP-385C 0001 0002 0004 0004 DCP-585CW 0001 0002 0004 0004 MFC-250C 0001 0002 0004 0003 MFC-290C 0101 0102 0140...

  • Page 451

    MFC-290C 0120 (0106) (0127) 0056 MFC-490CW 0020 (0006) (0027) 0056 MFC-790CW 0020 (0006) (0027) 0056 MFC-990CW (0006) (0027) The above information is as of March 2008. The up-to-date information is available from your local Brother Customer Service. Confidential App. 3-3...

  • Page 452

    Appendix 4. Firmware Switches (WSW) This appendix describes the functions of the firmware switches, which can be divided into two groups: one is for customizing preferences designed for the shipping destination (as described in Appendix and the other is for modifying preferences that match the machine to the environmental conditions. Use the latter group if the machine malfunctions due to mismatching.

  • Page 453

    WSW No. Function Refer to: WSW01 Dial pulse setting App. 4-3 WSW02 Tone signal setting App. 4-5 WSW03 PBX mode setting App. 4-6 WSW04 TRANSFER facility setting App. 4-7 WSW05 1st dial tone and busy tone detection App. 4-8 WSW06 Pause key setting and 2nd dial tone detection App.

  • Page 454

    WSW47 Switching between high- and full-speed USB App. 4-51 WSW48 USB setup latency App. 4-52 WSW49 End-of-copying beep and black ink print mode App. 4-52 WSW50 SDAA settings App. 4-53 WSW51 Function setting 16 App. 4-54 WSW52 Function setting 17 (Not used.) App.

  • Page 455

    WSW01 (Dial pulse setting) Selector Function Setting and Specifications No. 1 2 0 0 : Dial pulse generation mode 0 1 : 1 0 : 10-N 1 1 : No. 3 4 0 0 : 60 ms Break time length in pulse dialing 0 1 : 67 ms 1 0 :...

  • Page 456

    • Selectors 5 and 6: Inter-digit pause These selectors set the inter-digit pause in pulse dialing. (Example: If "1," "2," and "3" are dialed when N is set by selectors 1 and 2.) • Selector 7: Switching between pulse (DP) and tone (PB) dialing, by the function switch This selector determines whether or not the dialing mode can be switched between the pulse (DP) and tone (PB) dialing by using the function switch.

  • Page 457

    WSW02 (Tone signal setting) Selector Function Setting and Specifications No. 1 2 0 0 : 70 ms Tone signal transmission time 0 1 : 80 ms length 1 0 : 90 ms 1 1 : 100 ms No. 3 4 0 0 : 70 ms Min.

  • Page 458

    WSW03 (PBX* mode setting) Selector Function Setting and Specifications CNG detection when sharing a modular wall socket with a 0: A 1: B telephone No. 2 3 4 0 0 0 : 50 ms 0 0 1 : 210 ms Detection time length of PBX* 0 1 0 : 500 ms...

  • Page 459

    • Selectors 6 and 7: Dial tone detection in PBX (Not used.) These selectors activate or deactivate the dial tone detection function which detects a dial tone when a line is connected to the PBX. Setting both of these selectors to "1" activates the dial tone detection function so that the machine starts dialing upon detection of a dial tone when a line is connected.

  • Page 460

    • Selectors 2 and 3: Dual tone detection frequency in ICM recording (Not used.) If the machine detects either of the frequencies set by these selectors in ICM recording, it disconnects the line. For example, if these selectors are set to "0, 0," the machine disconnects the line upon detection of 350 Hz or 440 Hz.

  • Page 461

    • Selectors 1 through 3: 1st dial tone detection These selectors activate or deactivate the 1st dial tone detection function which detects the 1st dial tone issued from the PSTN when a line is connected to the PSTN. Setting all of these selectors to "1" activates the dial tone detection function so that the machine starts dialing upon detection of a dial tone when a line is connected.

  • Page 462

    WSW06 (Pause key setting and 2nd dial tone detection) Selector Function Setting and Specifications No. 1 2 3 0 0 0 : No pause 0 0 1 : 3.5 sec. WAIT 0 1 0 : 7 sec. WAIT 0 1 1 : 10.5 sec.

  • Page 463

    • Selectors 1 through 3: Pause key setting and 2nd dial tone detection Selectors No WAIT is inserted even if the Pause key is pressed. If you press the Pause key during dialing, the machine will insert WAIT as defined in the above table. If the Pause key is pressed repeatedly, the machine inserts the specified WAIT multiplied by the number of depressions.

  • Page 464

    WSW07 (Dial tone setting 1) Selector Function Setting and Specifications No. 1 2 0 0 : Narrows by 10 Hz Dial tone frequency band control 0 1 : Initial value 1 0 : Widens by 10 Hz 1 1 : Widens by 10 Hz Line current detection 0: No...

  • Page 465

    WSW08 (Dial tone setting 2) Selector Function Setting and Specifications No. 1 2 3 0 0 0 : 50 ms 0 0 1 : 210 ms 0 1 0 : 500 ms 1st dial tone detection time length 0 1 1 : 800 ms 1 0 0 : 900 ms...

  • Page 466

    WSW09 (Protocol definition 1) Selector Function Setting and Specifications Frame length selection 0: 256 octets 1: 64 octets Use of non-standard commands 0: Allowed 1: Prohibited No. 3 4 0 0 : 4 times No. of retries 0 1 : 3 times 1 0 : 2 times...

  • Page 467

    WSW10 (Protocol definition 2) Selector Function Setting and Specifications Not used. Time length from transmission of 0: 100 ms 1: 50 ms the last dial digit to CML ON Time length from CML ON to 0: 2 sec. 1: 4 sec. CNG transmission Time length from CML ON to CED transmission (except for...

  • Page 468

    WSW11 (Busy tone setting) Selector Function Setting and Specifications No. 1 2 0 0 : Narrows by 10 Hz Busy tone frequency band control 0 1 : Initial value 1 0 : Widens by 10 Hz 1 1 : Widens by 10 Hz 1: 250-750/250-750 ms 1: 400-600/400-600 ms ON/OFF time length ranges...

  • Page 469

    WSW12 (Signal detection condition setting) Selector Function Setting and Specifications No. 1 2 0 0 : 1500 ms Min. detection period required for interpreting incoming calling 0 1 : 500 ms signal (CI) as OFF 1 0 : 700 ms 1 1 : 900 ms No.

  • Page 470

    WSW13 (Modem setting) Selector Function Setting and Specifications No. 1 2 0 0 : 0 km Cable equalizer 0 1 : 1.8 km 1 0 : 3.6 km 1 1 : 5.6 km No. 3 4 0 0 : -43 dBm Reception level 0 1 : -47 dBm...

  • Page 471

    WSW14 (AUTO ANS facility setting) Selector Function Setting and Specifications No. 1 2 0 0 : 13 Hz Frequency band selection (lower limit) for incoming calling signal 0 1 : 15 Hz (CI) 1 0 : 23 Hz 1 1 : 20 Hz No.

  • Page 472

    WSW15 (REDIAL facility setting) Selector Function Setting and Specifications No. 1 2 0 0 : 5 minutes Redial interval 0 1 : 1 minute 1 0 : 2 minutes 1 1 : 3 minutes No. 3 4 5 6 0 0 0 0 16 times 0 0 0 1 1 times...

  • Page 473

    WSW16 (Function setting 1) Selector Function Setting and Specifications Not used. ITU-T (CCITT) superfine 0: OFF 1: ON recommendation Not used. Max. document length limitation 0: 400 cm 1: 90 cm Stop key pressed during reception 0: Not functional 1: Functional Note: Selector 7 is applicable to models with ADF unit.

  • Page 474

    WSW17 (Function setting 2) Selector Function Setting and Specifications No. 1 2 0 0 : No alarm 0 1 : Always valid Off-hook alarm 1 0 : Valid except when 'call reservation' is selected. 1 1 : Valid except when 'call reservation' is selected.

  • Page 475

    WSW18 (Function setting 3) Selector Function Setting and Specifications Registration of station IDs of PCs 0: Permitted 1: Prohibited sharing a FAX machine No. 2 3 0 0 : 40 sec. Detection enabled time for CNG or 0 1 : 0 sec.

  • Page 476

    WSW19 (Transmission speed setting) Selector Function Setting and Specifications No. 1 2 3 No. 4 5 6 First transmission speed choice for 0 0 0 2,400 bps fallback 0 0 1 4,800 bps 0 1 0 7,200 bps 0 1 1 9,600 bps 1 0 0 : 12,000 bps...

  • Page 477

    WSW20 (Overseas communications mode setting) Selector Function Setting and Specifications EP* tone prefix 0: OFF 1: ON Overseas communications mode 0: 2100 Hz 1: 1100 Hz (Reception) Overseas communications mode 0: OFF 1: Ignores DIS once. (Transmission) No. 4 5 0 0 : 100 ms Min.

  • Page 478

    • Selector 8: Limitation on CNG detection If this selector is set to "1," the machine detects a CNG signal according to the condition preset by selectors 2 and 3 on WSW18 after a line is connected. If it is set to "0," the machine detects a CNG signal as long as the line is connected.

  • Page 479

    WSW22 (ECM and call waiting caller ID) Selector Function Setting and Specifications ECM* in sending 0: ON 1: OFF ECM* in receiving 0: ON 1: OFF Call Waiting Caller ID 0: ON 1: OFF Not used. 0: 0% 1: 8% Acceptable TCF bit error rate (%) 0: 0% 1: 4%...

  • Page 480

    WSW23 (Communications setting) Selector Function Setting and Specifications Starting point of training check 0: From the head of a series of zeros (TCF) 1: From any arbitrary point No. 2 3 0 0 : Allowable training error rate 0 1 : 0.5% 1 0 : 1 1 :...

  • Page 481

    WSW24 (TAD setting 2) Selector Function Setting and Specifications No. 1 2 0 0 : 15 sec. Maximum OGM recording time 0 1 : 20 sec. (Not used.) 1 0 : 30 sec. 1 1 : 50 sec. No. 3 4 0 0 : 4 sec.

  • Page 482

    WSW25 (TAD setting 3) Selector Function Setting and Specifications No. 1 2 Delay time for starting "no tone" 0 0: 0 sec. detection in the external TAD 0 1: 8 sec. mode 1 0: 16 sec. (Not used.) 1 1: 24 sec. No.

  • Page 483

    WSW26 (Function setting 4) Selector Function Setting and Specifications Not used. Dialing during document reading into the temporary memory in in- 0: Disable 1: Enable memory message transmission No. 4 5 No. of CNG cycles to be detected 0 0 : (when the line is connected via the external telephone except in the 0 1 :...

  • Page 484

    WSW27 (Function setting 5) Selector Function Setting and Specifications Not used. Ringer OFF setting 0: Yes 1: No Automatic playback of OGM when switched to the TAD mode 0: No 1: Yes (Not used.) Detection of distinctive ringing 0: Yes 1: No pattern Not used.

  • Page 485

    WSW28 (Function setting 6) Selector Function Setting and Specifications No. 1 2 3 0 0 0 0 dB 0 0 1 : +1 dB 0 1 0 : +2 dB Transmission level of DTMF 0 1 1 : +3 dB high-band frequency signal 1 0 0 0 dB...

  • Page 486

    WSW29 (Function setting 7) (Not used.) Selector Function Setting and Specifications No. 1 2 3 0 0 0 : -47.0 dBm 0 0 1 : -48.5 dBm Compression threshold level for 0 1 0 : -50.0 dBm voice signals inputted via the 0 1 1 : -51.5 dBm telephone line in the built-in TAD...

  • Page 487

    WSW30 (Function setting 8) (Not used.) Selector Function Setting and Specifications No. 1 2 3 0 0 0 : -38.0 dBm 0 0 1 : -39.5 dBm 0 1 0 : -41.0 dBm Dial tone/busy tone detection level 0 1 1 : -42.5 dBm during recording of ICM 1 0 0 :...

  • Page 488

    WSW31 (Function setting 9 Selector Function Setting and Specifications Not used. Limitation of reduction ratio in 0: Yes 1: No copying Not used. (Do not disturb this selector.) Minimum ON and OFF duration of ringer signals effective in 0: 130 ms 1: 90 ms distinctive ringing Not used.

  • Page 489

    WSW32 (Function setting 10) Selector Function Setting and Specifications Not used. No. 5 6 0 0 : Standard Default resolution 0 1 : Fine 1 0 : Super fine 1 1 : Photo No. 7 8 0 0 : Automatic Default contrast 0 1 : Automatic...

  • Page 490

    WSW33 (Function setting 11) Selector Function Setting and Specifications No. 1 2 3 0 0 0 : -48 dBm 0 0 1 : -50 dBm 0 1 0 : -52 dBm Threshold level of "no tone" detection during recording of ICM 0 1 1 : -54 dBm (Not used.)

  • Page 491

    WSW34 (Function setting 12) Selector Function Setting and Specifications No. 1 2 3 0 0 0 : 0 sec. Erasing time length of ICM tone 0 0 1 : 1 sec. recorded preceding the tone 0 1 0 : 2 sec. detection starting point in the case 0 1 1 : 3 sec.

  • Page 492

    WSW35 (Function setting 13) (Not used.) Selector Function Setting and Specifications No. 1 2 3 4 0 0 0 0 No detection 0 0 0 1 1 sec. Max. detection period of dial tone/ 0 0 1 0 2 sec. busy tone during recording of ICM 0 1 0 0 4 sec.

  • Page 493

    WSW36 (Function setting 14) Selector Function Setting and Specifications ECP mode* 0: ON 1: OFF Recovery from Inactive PC 0: Disable 1: Enable Interface PC Power-off Recognition Time 0: Normal 1: Long Not used. Escape from phase C 0: Yes 1: No No.

  • Page 494

    • Selectors 6 through 8: Extension of incoming calling signal (CI) frequency band specified by selectors 1 through 4 on WSW14 At the start of reception, if the machine detects the frequency of a CI signal specified by selectors 1 through 4 on WSW14, it starts the ringer sounding. However, the machine may fail to detect the CI signal normally due to noise superimposed at the time of reception.

  • Page 495

    WSW38 (V.34 transmission settings) Selector Function Setting and Specifications No. 1 2 0 0 : Automatic Setting of the equalizer 0 1 : Automatic 1 0 : Fixed to 4 points 1 1 : Fixed to 16 points Sending level of guard tone at 0: Normal - 7 db 1: Normal phase 2...

  • Page 496

    WSW39 (V.34 transmission speed) Selector Function Setting and Specifications No. 1 2 3 4 No. 5 6 7 8 0 0 0 0 2,400 bps 0 0 0 1 4,800 bps 0 0 1 0 7,200 bps First transmission speed choice for 0 0 1 1 9,600 bps fallback...

  • Page 497

    WSW40 (V.34 modem settings) Selector Function Setting and Specifications Not used. Not masking Masking No. 3 3429 symbols/sec No. 4 3200 symbols/sec Masking of symbol rate(s) No. 5 3000 symbols/sec No. 6 2800 symbols/sec No. 7 Not used. No. 8 2400 symbols/sec sec.: second(s) Note: WSW40 takes effect only when the V.34 mode is permitted (WSW19, selector 7) in...

  • Page 498

    WSW41 (ON-duration of the scanning light source) Selector Function Setting and Specifications No. 1 2 3 0 0 0 : 16 hours 0 0 1 : 24 hours 0 1 0 : 12 hours ON-duration of the scanning light source at room temperature 0 1 1 : 8 hours (Not used.)

  • Page 499

    WSW42 (Internet mail settings) Selector Function Setting and Specifications Access to the incoming mail (POP3) server 0: Disable 1: Enable (Periodical or on-demand) Access to the outgoing mail 0: Disable 1: Enable (SMTP) server I-FAX relay 0: Disable 1: Enable Not used.

  • Page 500

    WSW44 (Speeding up scanning-1) (Not used.) Selector Function Setting and Specifications Not used. No. 6 7 8 0 0 0 : Obtained compensation data ineffective 0 0 1 : 1 min. Effective time length of the white 0 1 0 : 3 min.

  • Page 501

    WSW45 (Speeding up scanning-2) (Not used.) Selector Function Setting and Specifications No. 1 2 3 0 0 0 : No automatic drawing-in 0 0 1 : 1 sec. Delay time from when documents 0 1 0 : 2 sec. are set until the ADF starts 0 1 1 : 3 sec.

  • Page 502

    WSW46 (Monitor of power ON/OFF state and parallel port kept at high) Selector Function Setting and Specifications No. 1 2 0 0 : Disable 0 1 : Monitor SELECT IN Monitoring the PC ON/OFF state 1 0 : Monitor STROBE 1 1 : Monitor both SELECT IN and STROBE...

  • Page 503

    WSW47 (Switching between high- and full-speed USB) Selector Function Setting and Specifications Handling paper at the occurrence of a paper feed 0: Eject paper w/o print 1: Print on the current paper timing error (Not used.) Reduction of document size in 0: No 1: Yes real-time transmission...

  • Page 504

    WSW48 (USB setup latency) Selector Function Setting and Specifications Not used. No. 3 4 5 0 0 0 : 25 0 0 1 : 50 0 1 0 : 75 Number of PCs registrable to each of TWAIN-enabled applications 0 1 1 : 100 over a network 1 0 0...

  • Page 505

    • Selectors 4 and 5: Command flag detection time After receiving a command flag, the machine will wait for the command that should follow for the time length specified by these selectors. • Selector 8: Black ink print mode If any color ink runs out, printing is no longer possible by default. Setting this selector to "1"...

  • Page 506

    WSW51 (Function setting 16) Selector Function Setting and Specifications Output of communications error report when transmission 0: Enable 1: Disable verification report is disabled CR motor control for reducing torque fluctuation 0: Activate 1: Deactivate (Not used.) No. 3 4 0 0 : Middle (default) Cordless handset transmitter...

  • Page 507

    WSW52 (Function setting 17) (Not used.) Selector Function Setting and Specifications No. 1 2 3 0 0 0 : Transmitter level 0 & echo suppression OFF 0 0 1 : Transmitter level 1 & Transmitter level and echo echo suppression ON suppression for cordless handsets 0 1 0 : Transmitter level 2 &...

  • Page 508

    WSW53 (Function setting 18) Selector Function Setting and Specifications Not used. No. 3 4 0 0 : 0 ms FSK receive timing delay 0 1 : 100 ms for caller ID 1 0 : 150 ms 1 1 : 200 ms No.

  • Page 509

    WSW54 (Function setting 19) Selector Function Setting and Specifications No. 1 2 0 0 : 100 ms (default) PictBridge command delay time 0 1 : 0 ms 1 0 : 50 ms 1 1 : 200 ms Extension of the "No. of CNG cycles to be detected"...

  • Page 510

    • Selector 7: Transmission of caller ID wetting pulse If the machine fails to display a caller ID due to a wetting pulse transmitted after the detection of a tone alert, disable the transmission of caller ID wetting pulse. • Selector 8: Switching between DTMF and FSK for caller ID If the machine fails to receive a caller ID, switch from DTMF to FSK.

  • Page 511

    WSW57 (Function setting 22) Selector Function Setting and Specifications No. 1 2 3 0 0 0 : 0 V 0 0 1 : 5 V (default) 0 1 0 : 10 V Caller ID judgment voltage level to discriminate caller ID event 0 1 1 : 15 V from ring event...

  • Page 512

    WSW58 (Function setting 23) Selector Function Setting and Specifications No. 1 2 3 0 0 0 : Disable Prevention against line 0 0 1 : 10% disconnection during ICM 0 1 0 : 20% recording 0 1 1 : 30% (default) (Percentage of guard tone response 1 0 0 : 40%...

  • Page 513

    • Selector 4: Trimming of R key signal issued from cordless handset--For connection to base unit with PBX OFF For European models, a cordless handset can be registered to up to four base units. On the cordless handset registered to more than one base unit, if you have programmed an R key press as part of a number stored in a Speed-Dial location, you can dial using a Speed-Dial location stored in the handset when connected to the base unit in which PBX is set to ON.

  • Page 514

    WSW59 (Function setting 24) Selector Function Setting and Specifications Transmission of USB serial 0: Enable 1: Disable (default) number to PC Extension of the waiting time 0: Enable 1: Disable (default) between ANSam and DIS No. 3 4 5 6 7 0 0 0 0 0: ASCII (default for U.S.A/...

  • Page 515

    • Selectors 3 through 7: Checking of the specified character code set when displaying or printing the folder/file names stored in memory cards or USB flash memory drives Setting these selectors to "0, 0, 0, 0, 0" does not check any character code set. When folder/ file names stored in memory cards or USB flash memory drives contain Chinese characters, for example, those characters may get garbled in displaying on the color LCD or printing indexes.

  • Page 516

    • Selectors 4 and 5: Adjustment of temporary connection timing of Caller ID If the machine cannot receive Caller ID, try to adjust the temporary connection timing of Caller ID with these selectors. • Selector 6: Output of CNG detection result to the activity report Setting this selector to "1"...

  • Page 517

    Appendix 5. Wiring Diagrams This appendix provides the wiring diagrams that help you understand the connections between PCBs. Confidential...

  • Page 518

    Except Except DCP585CW DCP585CW Except DCP585CW SLP5V Except DCP585CW Except DCP585CW App. 5-1 Confidential...

  • Page 519

    MFC290C/250C DCP385C/185C/165C/145C Head MFC290C/ MFC290C/250C only DCP185C only Ink cartridge Speaker Ink empty sensor detection sensor motor Carriage PCB HEAD 1 HEAD 2 HEAD 3 CN30-3 Document MFC290C/ front sensor DCP185C only FSEN CN29-3 Document Media 1 SLP5V MFC290C and MFC290C/ rear sensor xD/SD...

  • Page 520

    Appendix 6. Circuit Diagrams This appendix provides the circuit diagrams of the MJ PCB and power supply PCB. A. MJ PCB (U.S.A., Canadian, Asian, and Oceanian models) A. MJ PCB (European models) A. MJ PCB (S. African models) B. Power supply PCB (100 V series) B.

  • Page 521

    A. MJ PCB (U.S.A., Canadian, Asian, and Oceanian models) @JW2 MJ PCB Line MAIN RCH-855 332K SDAA RCH-855 332K MJ-66J-RD315(LF) DL-6503C 1 La 2 Lb C682 C153 C473 C153 DL-6503C RA-302M-C6 RA-302M-C6 DL-6503C DL-6503C A5X-G-24E-908 RELAY 1SS120 MJ-62J-RD315(LF) @CN2a @CN2b 2 S0V 3 S0V 1 RELAY...

  • Page 522

    A. MJ PCB (European models) MJ PCB Line MAIN RCH-855 332K SDAA RCH-855 332K MJ-66J-RD315(LF) DL-6503C 1 La 2 Lb C682 C153 DL-6503C C473 C153 RA-302M-C6 RA-302M-C6 DL-6503C DL-6503C A5X-G-24E-908 RELAY 1SS120 MJ-62J-RD315(LF) @CN2a @CN2b 2 S0V 3 S0V 1 RELAY 2 RELAY RELAY B2B-PH-K-K(LF)(SN)

  • Page 523

    A. MJ PCB (S. African models) @JW2 MJ PCB Line MAIN RCH-855 332K SDAA MJ-66J-RD315(LF) DL-6503C 1 La 2 Lb C682 C153 C473 C153 DL-6503C RA-302M-C6 RA-302M-C6 DL-6503C DL-6503C A5X-G-24E-908 RELAY 1SS120 MJ-62J-RD315(LF) @CN2a @CN2b 2 S0V 3 S0V 1 RELAY 2 RELAY RELAY B2B-PH-K-K(LF)(SN)

  • Page 524

    B. Power supply PCB (100 V series) App. 6-4 Confidential...

  • Page 525

    B. Power supply PCB (200 V series) App. 6-5 Confidential...

  • Page 526

    Appendix 7. Deletion of User Setting Information This appendix provides instructions on how to delete user setting information recorded in the machine and cordless handset(s). A7.1 Deleting User Setting Info from the Machine............App. 7-1 A7.2 Deleting User Setting Info from the Cordless Handset(s)........App. 7-3 Confidential...

  • Page 527

    A7.1 Deleting User Setting Info from the Machine The user setting information in the machine is recorded in the EEPROM on the main PCB. It cannot be deleted all by a single operation. Use Function code 01 in the maintenance mode, unplug the power cord from the electrical outlet, and disconnect the backup battery*.

  • Page 528

    [ 2 ] Unplugging the power cord from the electrical outlet and disconnecting the backup battery* For models with backup battery Unplugging the power cord from the electrical outlet and disconnecting the backup battery* deletes the Caller ID list, fax data received into memory, transmission verification report (for image), broadcasting report and batch transmission data (in the memory).

  • Page 529

    A7.2 Deleting User Setting Info from the Cordless Handset(s) The user setting information recorded in the cordless handset can be deleted all at once by a single operation. The following procedure deletes the telephone directory and records of sent/ received calls stored in the cordless handset. Operating Procedure --------------------------------------------- USA models ---------------------------------------------------- (1) On the cordless handset, press the Menu/OK, *, Menu/OK, and * keys in this order.

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