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Brother FAX 1840C, Service Manual

The Brother FAX 1840C Service Manual is a comprehensive guide that allows users to understand the functions and troubleshoot the Brother FAX 1840C model effectively. Download this manual for free from our website, manualshive.com, to access step-by-step instructions and optimize your product's performance.

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Confidential

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

3.1

OVERVIEW .................................................................................................................3-1

3.2

MECHANICAL COMPONENTS...................................................................................3-2

3.2.1

Scanner Mechanism.........................................................................................3-4

3.2.1.1

Document feeding and ejecting mechanism .............................................3-4

3.2.1.2

Document scanning mechanism ...............................................................3-4

3.2.2

Printing Mechanism..........................................................................................3-5

3.2.2.1

Paper pulling-in, registration, feeding and ejecting mechanisms ...............3-5

3.2.2.2

Ink supply and ink jet mechanism .............................................................3-8

[ 1 ] Overview..................................................................................................3-8

[ 2 ] Features...................................................................................................3-9

[ 3 ] Head/carriage unit ..................................................................................3-10

[ 4 ] Ink cartridges..........................................................................................3-17

[ 5 ] Ink refill assembly ..................................................................................3-19

[ 6 ] Ink supply tubes .....................................................................................3-21

3.2.2.3

Head maintenance mechanism ..............................................................3-22

[ 1 ] Maintenance mechanism components....................................................3-22

[ 2 ] Maintenance unit components ................................................................3-22

[ 3 ] Head capping mechanism ......................................................................3-24

[ 4 ] Purge mechanism ..................................................................................3-25

3.2.2.4

Carriage drive mechanism .....................................................................3-34

3.2.3

Sensors and Actuators ...................................................................................3-36

3.3

CONTROL ELECTRONICS.......................................................................................3-39

3.3.1

Components...................................................................................................3-39

Summary of Contents for FAX 1840C

Page 1: ...Confidential FACSIMILE EQUIPMENT SERVICE MANUAL MODELS MFC3340CN 3240C FAX1940CN 1840C 1835C ...

Page 2: ...right Brother 2004 2005 All rights reserved No part of this publication may be reproduced in any form or by any means without permission in writing from the publisher Specifications are subject to change without notice ...

Page 3: ...rstanding the basic principles of operation as well as locating defects for troubleshooting CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR Describes how to transfer data left in the machine to be sent for repair The service personnel should instruct end users to follow the transfer procedure given in this chapter if the machine at the user site cannot print received data due ...

Page 4: ...location of serial number labels put on some parts and lists the coding information pertaining to the serial numbers Appendix 2 Firmware Installation Provides instructions on how to update firmware stored in the flash ROM on the main PCB or load firmware to a new main PCB from the host PC No hardware replacement is required for updating Appendix 3 Customizing Codes According to Shipping Destinatio...

Page 5: ...cess in the event log file This appendix views a sample of the event log file Selecting Start Program Brother MFL Pro Suite model name Installation Diagnostics reads out the event log file This manual describes the models and their versions destined for major countries The specifications and functions are subject to change depending upon each destination ...

Page 6: ...gged the telephone line cord first and then the power cord from the AC power outlet Do not handle the plug with wet hands Doing this might cause an electrical shock To prevent injuries be careful not to touch the area shaded in the illustration When you move the machine grasp the side handholds as shown in the illustration When you move the machine place a hand at each side of the unit so you are ...

Page 7: ...rge protection device on the AC power line and on the telephone line or unplug the cords during a lightning storm n When lifting up the machine hold it from the base Lifting up the top cover leaves the machine body inclined disengaging the top cover from the machine body or letting the machine body fall IMPORTANT SAFETY INSTRUCTIONS When using your telephone equipment basic safety precautions shou...

Page 8: ...hine on the carpet n Do not place near heaters air conditioners water chemicals or refrigerators n Do not expose the machine to direct sunlight excessive heat moisture or dust n Do not connect your machine to electrical outlets controlled by wall switches or automatic timers n Disruption of power can wipe out information in the machine s memory n Do not connect your machine to electrical outlets o...

Page 9: ...Confidential CHAPTER 1 PARTS NAMES FUNCTIONS ...

Page 10: ...ter 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 1 1 OUTLINE 1 1 1 2 CONTROL PANEL 1 3 1 3 COMPONENTS 1 7 ...

Page 11: ...Paper tray 3 Control panel 2 Top cover 7 External telephone line jack 6 Telephone line jack 4 Document tray 1 Document support 9 USB interface connector 8 LAN cable connector Provided on the MFC3340CN and FAX1940CN Rear view 10 Jam clear cover ...

Page 12: ...ray Scanned documents come out here 5 Paper tray Load paper here Paper will be fed into the machine sheet by sheet 6 Telephone line jack Plug in the modular plug on the telephone line here 7 External telephone line jack Plug in the modular plug on the external telephone line here 8 LAN cable connector MFC3340CN FAX1940CN Connect the LAN cable here 9 USB interface connector Connect the USB cable he...

Page 13: ...1 3 Confidential 1 2 CONTROL PANEL n MFC3340CN 12 14 10 11 9 8 6 2 1 5 3 4 7 n MFC3240C 12 10 11 9 8 6 2 1 5 3 4 7 ...

Page 14: ...1 4 Confidential n FAX1940CN 12 10 11 9 8 6 2 1 5 3 4 7 13 n FAX1840C 1835C The control panels of the FAX1840C and FAX1835C look slightly different 12 10 11 9 8 6 2 1 5 3 4 7 ...

Page 15: ...pseudo ringing etc Also use this key to gain access to an outside line and or to recall the operator or transfer a call to another extension when it is connected to a PABX Speaker Phone FAX1940CN only Lets you speak to another party without lifting the handset OR Press before dialing if you want to make sure a fax machine answers and then press Black Start or Color Start Redial Pause Redials the l...

Page 16: ... keys FAX1940CN only Menu Set The same key is used for Menu and Set operations Lets you access the Menu to program and store your settings in the machine When using the speaker or during ringing in fax mode you can press these keys to adjust the volume Search Speed Dial Lets you look up numbers that are stored in the dialing memory It also lets you dial stored numbers by pressing and a two digit n...

Page 17: ...l panel ASSY Maintenance unit Lower cover Upper cover Power supply PCB Engine unit Ink refill ASSY Main PCB ASSY Paper tray MJ PCB MJ PS shield box Ink absorber box Document support Head carriage unit Handset Hook switch PCB Front cover Media module cover Top cover Document tray FAX1940CN 1840C ...

Page 18: ...Confidential CHAPTER 2 SPECIFICATIONS ...

Page 19: ...hapter lists the specifications of each model which enables you to make a comparison of different models CONTENTS 2 1 GENERAL 2 1 2 1 1 General Specifications 2 1 2 1 2 Paper Specifications 2 3 2 1 3 Printable Area 2 6 2 2 SPECIFICATIONS LIST 2 7 ...

Page 20: ...pair of 74 nozzles for black Liquid Crystal Display LCD 16 characters x 1 line Operating Environment 50 to 95 F 10 to 35 C Best Print Quality 68 to 91 F 20 to 33 C Power Source 120 VAC 50 60 Hz U S A Canada 230 VAC 50 60 Hz Europe Asia Power Consumption MFC3340CN U S A Canadian models Minimum under 4 Wh Standby 10 5 Wh or less 25 C Peak 26 Wh or less MFC3340CN European Asian models Minimum under 4...

Page 21: ...m All models 15 3 x 20 7 x 11 0 inches 388 x 525 x 279 mm with document support and document tray extension opened 12 7 322 mm 14 3 364 mm 14 2 361 mm 14 7 373 mm 11 0 279 mm 7 6 194 mm 15 3 388 mm 14 3 364 mm 15 8 402 mm 20 7 525 mm Weight MFC3340CN 3240C FAX1940CN 1840C 1835C Machine proper 12 1 lb 5 5 kg 12 5 lb 5 7 kg In package 16 0 lb 7 3 kg 16 5 lb 7 5 kg ...

Page 22: ...2 3 Confidential 2 1 2 Paper Specifications Recommended paper Brother Paper Transparencies 3M Transparency Film Paper type and size for each operation ...

Page 23: ...0 lb Up to 100 sheets of 20 lb Paper capacity of the output paper tray Output Paper Tray Up to 50 sheets of 20 lb Letter n Transparencies or glossy paper must be picked up from the output paper tray one page at a time to avoid smudging n Legal paper cannot be stacked on the output paper tray ...

Page 24: ...emely shiny or highly textured n that were previously printed by a printer n that cannot be arranged uniformly when stacked n that are made with a short grain Do not use envelopes n that are of a baggy construction n that are embossed have raised writing on them n that have clasps on them n that are not sharply creased n that are preprinted on the inside ...

Page 25: ... 3 4 Cut Sheet Paper Envelopes unprintable area Paper 1 Top 2 Bottom 3 Left 4 Right Cut sheet 0 12 in 0 in 0 12 in 0 in 0 12 in 0 in 0 12 in 0 in Envelopes 0 47 in 0 94 in 0 12 in 0 12 in When you set the Borderless feature to On Printable area depends on the Printer driver settings The figures above are approximate and the printable area may vary depending on the type of cut sheet paper you are u...

Page 26: ...Yes Yes Yes Yes Yes Yes Test Sheet Yes Print Quality Alignm ent in Ink Key Yes Print Quality Alignm ent in Ink Key Yes Print Quality Alignm ent in Ink Key Yes Print Quality Alignm ent in Ink Key Yes Print Quality Alignm ent in Ink Key Yes Print Quality Alignm ent in Ink Key Min Input of ADF Width Height 3 5 5 89 127mm 3 5 5 89 127mm 3 5 5 89 127mm 3 5 5 89 127mm 3 5 5 89 127mm 3 5 5 89 127mm Max I...

Page 27: ...s Yes Memory Security Yes Transmission Lock Yes Yes Yes Dimensions w Carton WxDxH Please refer to Logistic Information on Sales Data Bank W 455 x D 295 x H 460 W 455 x D 295 x H 460 W 455 x D 295 x H 460 W 455 x D 295 x H 460 W 455 x D 295 x H 460 W 455 x D 295 x H 460 Dimensions w o Carton WxDxH tray is not opened Please refer to Logistic Information W 388 x D 364 x H 207 W 388 x D 364 x H 207 W ...

Page 28: ...nter In Maintenance Yes Yes Ink Gauge Indication Yes in Ink Key Status Monitor required Driver DL Yes in Ink Key Status Monitor required Driver DL Yes in Ink Key Status Monitor required Driver DL Yes in Ink Key Status Monitor required Driver DL Yes in Ink Key Status Monitor Yes in Ink Key Status Monitor LIST REPORT Activity Report Journal Report Yes up to 200 Yes up to 200 Yes up to 200 Yes up to ...

Page 29: ...5 BK 500pages Normal 5 BK 500pages Normal 5 BK 500pages Normal 5 C M Y 400pages Normal 5 C M Y 400pages Normal 5 C M Y 400pages Normal 5 C M Y 400pages Normal 5 C M Y 400pages Normal 5 C M Y 400pages Normal 5 Supply Ink Cartridge Life Yield High Capacity BK 900pages NORMAL 5 BK 900pages NORMAL 5 BK 900pages NORMAL 5 BK 900pages NORMAL 5 BK 900pages NORMAL 5 BK 900pages NORMAL 5 Options SERVICE INF...

Page 30: ... 3 steps OFF Yes 3 steps OFF Ring Volume Yes 3 steps OFF Yes 3 steps OFF Yes 3 steps OFF Yes 3 steps OFF Yes 3 steps OFF Yes 3 steps OFF Hold Mute Key Yes Hold Yes Mute Yes Hold Yes Hold Yes Mute Music on Hold Monitoring the Line on Hold with Music One Touch Dial 10 10 10 10 4 4 Speed Dial 40 40 40 40 100 100 Figures of One Touch Speed Dial 20 digits 20 digits 20 digits 20 digits 20 digits 20 digi...

Page 31: ...te Maintenance Yes Yes RX Mode Indication LCD LCD LCD LCD LCD LCD Resolution Indication LCD LCD LCD LCD LCD LCD Paper Handling Size LTR A4 LEGAL withADF LTR A4 LEGAL withADF LTR A4 LEGAL withADF LTR A4 LEGAL withADF LTR A4 LEGAL withADF LTR A4 LEGAL withADF Document Scanning Width 208mm 208mm 208mm 208mm 208mm 208mm Delayed Timer up to 50 B W only Yes Yes Yes Yes Yes Yes Polled Sending type B W on...

Page 32: ...Y 74 nozzles line Resolution horizontal x vertical up to 1200x6000 dpi up to 1200x6000 dpi up to 1200x6000 dpi up to 1200x6000 dpi up to 1200x6000 dpi up to 1200x6000 dpi Speed ppm Simple 20 15ppm Mono Color 600x150 dpi 20 15ppm Mono Color 600x150 dpi 20 15ppm Mono Color 600x150 dpi 20 15ppm Mono Color 600x150 dpi 20 15ppm Mono Color 600x150 dpi 20 15ppm Mono Color 600x150 dpi Emulation Resident F...

Page 33: ... A4 LTR A6 Photo 4 x6 102x152mm Indexcard 5x8 1 27x203mm Photo L 3 5x5 89x127m m Photo 2L 5x7 127x178 mm Post Card 1 3 9x5 8 100x1 48mm only 0 47x0 95x0 12x 0 12 12 24 3 3m m for Envelops Variable Dot Print Yes 3 sizes Yes 3 sizes Yes 3 sizes Yes 3 sizes Yes 3 sizes Yes 3 sizes Minimum Droplet Size 3 pl 3 pl 3 pl 3 pl 3 pl 3 pl Shingling Print Color Enhancement Yes Yes Yes Yes Yes Yes COLOR COPY C...

Page 34: ...solution Indication LCD LCD LCD LCD LCD LCD COLOR SCANNER Color Mono Resolution horizontal x vertical Interpolated Resolution dpi Gray Scale Document Scanning width Scan Image Scan OCR Scan to E mail Scan to File Scan to Card Scan speed Mono Color 100dpi Color Depth Input Output MESSAGE CENTER TAD Yes Yes ICM Recording Time Max 29minute s Or Max 99 messages Max 180sec 1message Max 29minute s Or Ma...

Page 35: ...Option Web DL Option Web DL Option Supplier Brother Brother Brother Brother Brother Brother Color Mono Mono Mono Mono Mono Mono Mono Sending Yes Yes Yes Yes Yes Yes Receiving Protocol Compliance Broadcasting up to 50 up to 50 up to 50 up to 50 up to 50 up to 50 PHOTO CAPTURE CENTER Acceptable Media Card Size Paper Handling Size Type Paper Tray Print Paper Margin upper lower left right ...

Page 36: ...K Standard Option User Option or Dealer Option Yes Standard Yes Standard Model name Embedded NC 110h Embedded NC 110h Printer Yes Web DL Opt Yes Web DL Opt Scanner PC FAX Yes Web DL Opt Yes Web DL Opt Internet FAX Firmware Required Optional Web DL Required Optional Web DL Format Scan to E mail server Support OS version Win98 SE Me 2K XP Web DL Opt Win98 SE Me 2K XP Web DL Opt Support OS version PC...

Page 37: ...OOTP DHCP APIPA NetBIOS WINS Protocols LPR LPD Port9100 SMTP POP3 available with web DL opt LPR LPD Port9100 SMTP POP3 available with web DL opt Protocols SMB NetBIO S IP IPP IPX DLC SMB NetBIO S IP IPP IPX DLC Protocols mDNS FTP TELNET SNMP TFTP mDNS FTP TELNET SNMP TFTP Network Management Network Management Network Remote Setup Network Remote Setup Network Management MIB II as well as Brother pr...

Page 38: ...ation Yes Yes Yes Yes Yes Test Sheet Yes Print Quality Alignm ent in Ink Key Yes Print Quality Alignm ent in Ink Key Yes Print Quality Alignm ent in Ink Key Yes Print Quality Alignm ent in Ink Key Yes Print Quality Alignm ent in Ink Key Min Input of ADF Width Height 3 5 5 89 127mm 3 5 5 89 127mm 3 5 5 89 127mm 3 5 5 89 127mm 3 5 5 89 127mm Max Input of ADF Width Height 8 5 14 216 356mm 8 5 14 216 ...

Page 39: ...ature in function Menu Yes Yes Yes Yes Yes Memory Security Transmission Lock Yes Yes Yes Dimensions w Carton WxDxH Please refer to Logistic Information on Sales Data Bank W 455 x D 295 x H 460 W 455 x D 295 x H 460 W 455 x D 295 x H 460 W 455 x D 295 x H 460 W 455 x D 295 x H 460 Dimensions w o Carton WxDxH tray is not opened Please refer to Logistic Information W 388 x D 364 x H 194 W 388 x D 364...

Page 40: ...Maintenance Yes Yes Yes Yes Yes PCC pages Internal counter In Maintenance Yes Yes Ink Gauge Indication Yes in Ink Key Status Monitor Yes in Ink Key Status Monitor Yes in Ink Key Status Monitor Yes in Ink Key Status Monitor Yes in Ink Key Status Monitor LIST REPORT Activity Report Journal Report Yes up to 200 Yes up to 200 Yes up to 200 Yes up to 200 Yes up to 200 Transmission Verification Report Y...

Page 41: ...pages Normal 5 BK 500pages Normal 5 BK 500pages Normal 5 BK 500pages Normal 5 C M Y 400pages Normal 5 C M Y 400pages Normal 5 C M Y 400pages Normal 5 C M Y 400pages Normal 5 C M Y 400pages Normal 5 Supply Ink Cartridge Life Yield High Capacity BK 900pages NORMAL 5 BK 900pages NORMAL 5 BK 900pages NORMAL 5 BK 900pages NORMAL 5 BK 900pages NORMAL 5 Options SERVICE INFORMATION Monthly Volume Max 3000...

Page 42: ...Volume Yes 3 steps OFF Yes 3 steps OFF Yes 3 steps OFF Yes 3 steps OFF Yes 3 steps OFF Hold Mute Key Music on Hold Monitoring the Line on Hold with Music One Touch Dial 10 10 10 8 8 Speed Dial 40 40 40 100 100 Figures of One Touch Speed Dial 20 digits 20 digits 20 digits 20 digits 20 digits Registerable Number Of Characters 15 characters 15 characters 15 characters 15 characters 15 characters Grou...

Page 43: ...e Maintenance Yes Yes RX Mode Indication LCD LCD LCD LCD LCD Resolution Indication LCD LCD LCD LCD LCD Paper Handling Size LTR A4 LEGAL withADF LTR A4 LEGAL withADF LTR A4 LEGAL withADF LTR A4 LEGAL withADF LTR A4 LEGAL withADF Document Scanning Width 208mm 208mm 208mm 208mm 208mm Delayed Timer up to 50 B W only Yes Yes Yes Yes Yes Polled Sending type B W only Yes Std Yes Std Secure Yes Std Secure...

Page 44: ...4 nozzles line Resolution horizontal x vertical up to 1200x6000 dpi up to 1200x6000 dpi up to 1200x6000 dpi up to 1200x6000 dpi up to 1200x6000 dpi Speed ppm Simple 20 15ppm Mono Color 600x150 dpi 20 15ppm Mono Color 600x150 dpi 20 15ppm Mono Color 600x150 dpi 20 15ppm Mono Color 600x150 dpi 20 15ppm Mono Color 600x150 dpi Emulation Resident Fonts Fonts CD Based Yes 35 TrueType Yes 35 TrueType Yes...

Page 45: ...dexcard 5x8 1 27x203mm Photo L 3 5x5 89x127m m Photo 2L 5x7 127x178 mm Post Card 1 3 9x5 8 100x1 48mm only 0 47x0 95x0 12x 0 12 12 24 3 3m m for Envelops Variable Dot Print Yes 3 sizes Yes 3 sizes Yes 3 sizes Yes 3 sizes Yes 3 sizes Minimum Droplet Size 3 pl 3 pl 3 pl 3 pl 3 pl Shingling Print Color Enhancement Yes Yes Yes Yes Yes COLOR COPY Color Mono Color Color Color Color Color Speed cpm time ...

Page 46: ...th special tool 1200x1200dpi for XP w o special tool Gray Scale 256 256 256 256 256 Document Scanning width Max 210mm Max 210mm Max 210mm Max 210mm Max 210mm Scan Image Yes scan key Yes scan key Yes scan key Yes scan key Yes scan key Scan OCR Yes scan key Yes scan key Yes scan key Yes scan key Yes scan key Scan to E mail Yes scan key Yes scan key Yes scan key Yes scan key Yes scan key Scan to File...

Page 47: ...512MB MiniSD with Adopter xD Picture Card 16 512MB Smart Media 3 3V 4MB 128MB Compact Flash Type 1only N A for Type2 Micro Drive 4MB 2GB Memory Stick 16MB 128MB Duo with Adopter Memory Stick Pro 256MB 1GB MagicGate Yes if not use MG function Secure Digital 16MB 512MB MiniSD with Adopter xD Picture Card 16 512MB Paper Handling Size Type Paper Tray Letter Glossy 4 x6 1 0x15cm Glossy 5 x7 1 3x18cm Gl...

Page 48: ...ard JPEG PDF Color TIFF PDF B W Color Enhancement Yes Yes Removable Disk Yes Read Write Yes Read Write Scan to Card Yes Yes Network PCC Yes DL only FTP browser Yes DL only FTP browser NETWORK Standard Option User Option or Dealer Option Yes Standard Yes Standard Model name Embedded NC 110h Embedded NC 110h Printer Yes Yes Scanner Yes Yes PC FAX Yes Yes Internet FAX Firmware Required Optional Web D...

Page 49: ... web DL opt LPR LPD Port9100 SMTP POP3 available with web DL opt Protocols SMB NetBIO S IP IPP IPX DLC SMB NetBIO S IP IPP IPX DLC Protocols mDNS FTP TELNET SNMP TFTP mDNS FTP TELNET SNMP TFTP Network Management BRAdmin Professional BRAdmin Professional Network Management Network Remote Setup Network Remote Setup Network Management MIB II as well as Brother private MIB MIB II as well as Brother pr...

Page 50: ...Confidential CHAPTER 3 THEORY OF OPERATION ...

Page 51: ... 3 4 3 2 1 2 Document scanning mechanism 3 4 3 2 2 Printing Mechanism 3 5 3 2 2 1 Paper pulling in registration feeding and ejecting mechanisms 3 5 3 2 2 2 Ink supply and ink jet mechanism 3 8 1 Overview 3 8 2 Features 3 9 3 Head carriage unit 3 10 4 Ink cartridges 3 17 5 Ink refill assembly 3 19 6 Ink supply tubes 3 21 3 2 2 3 Head maintenance mechanism 3 22 1 Maintenance mechanism components 3 2...

Page 52: ...r supply Ink jet printer unit CIS unit Scanner motor Head carriage unit Carriage PCB with head flat cables Carriage motor Ink refill ASSY Maintenance unit Host Compact Flash SmartMedia Memory Stick SD card XD card Paper feed motor Speaker Handset ADF unit ADF motor LAN interface LAN 4 2 SDAA Backup battery 1 3 1 FAX1940CN 2 MFC3340CN and FAX1940CN 3 MFC3340CN 4 FAX1940CN 1840C ...

Page 53: ...e motors two encoders various sensors and a head thermistor SCANNER MECHANISM PRINTING MECHANISM Ink supply and ink jet mechanism Paper pulling in and registration mechanisms Paper feeding and ejecting mechanisms Viewed from the left Front Document scanning mechanism Document feeding and ejecting mechanism ...

Page 54: ... lock head caps purge vent and head wiper See Section 3 2 2 3 Paper feed motor DC motor n Printing Mechanism See Section 3 2 2 Carriage drive mechanism See Section 3 2 2 4 Carriage motor DC motor n Encoders See Section 3 2 3 Carriage motor CR encoder Paper feed motor PF encoder n Sensors See Section 3 2 3 Document front and rear sensors Cover open sensor Registration sensor Paper width media senso...

Page 55: ...nner and then it is fed out of the machine with the document ejection roller ASSY Document nip piece Document pull in roller Document front sensor actuator Document rear sensor actuator Document feed roller Document pressure roller Document separation roller CIS unit Pinch rollers Document pressure bar Document ejection roller CIS glass Document rear sensor Document front sensor Scanner motor ADF ...

Page 56: ...ine unit via a gear train See the illustration on the next page The following illustration is a cross sectional view of the machine viewed from the right Place the recording paper face down in the paper tray This paper first proceeds to the rear bends upward heads back toward the front panel passes under the head carriage unit for printing and finally enters the eject tray on top of the paper tray...

Page 57: ...of the paper Registration sensor activation switches the paper feed motor to clockwise rotation to rotate the paper feed roller in the forward direction to feed the paper During this paper feed operation the planetary gear inside the paper pull in roller holder prevents rotational torque from reaching the paper pull in roller The above paper pulling in and feeding operations take place when the he...

Page 58: ...igh resolution precision paper positioning during printing This signal also determines the motor parameters for rapidly and precisely positioning the paper past a gap Fixed speed paper feed This operation rotates the paper feed roller to feed the paper at a constant speed regardless of load fluctuations The primary application is ejecting paper when printing is complete in other words in situation...

Page 59: ...our ink cartridges black yellow cyan and magenta are mounted on the ink refill assembly For further details see 4 Ink cartridges below The ink refill assembly secures the ink cartridges and connects them to the corresponding ink supply tubes Ribs inside the cartridge slots prevent wrong cartridge insertion and color mixups For further details see 5 Ink refill assembly below The ink supply tubes su...

Page 60: ...bes Leaving too long interval between this priming and actual use however risks air bubbles increased viscosity and other quality issues with the ink in the supply tubes Before using this machine for the first time therefore the user must totally replace the ink supply path contents with fresh ink using an initial purge a repeat of this priming operation The cartridges that ship with the machine c...

Page 61: ...tion line with a bar code giving property data The manufacturer writes this data to the EEPROM on the main PCB incorporating this unit to insure consistent performance without fluctuations These labels appear on the head carriage unit itself and on the machine Replacing the head carriage unit requires writing 12 of the 13 property data digits on the label included with the new unit into the EEPROM...

Page 62: ...r inks COF This flexible circuit board holds the piezoelectric driver chip Nozzle array head bottom plate 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 chann...

Page 63: ...3 12 Confidential Front end ASSY Piezoelectric plate Laminated electrode Manifold Damper Nozzle plate A A A A Channel ...

Page 64: ...t from pressure changes on the ink Ink pressure fluctuations As the head carriage unit travels inertia means that the ink remains in the same place temporarily raising the pressure in the tubes Air vent unit At regular scheduled intervals this vents any air bubbles that have accumulated in the damper assembly Air vent cap This fits tightly over the air vent unit to allow the negative pressure from...

Page 65: ...ambers Instead it has a loose film across the bottom of its single chamber This film immediately flexes in and out in response to rises and falls in pressure adjusting the chamber volume to counteract pressure fluctuations in the ink supply tubes Film Color Black This loose film flexes in and out in response to changes in ink pressure Air buffering Liquid ink contains trace amounts of air These mo...

Page 66: ...ve up some of this air The ink pressure fluctuations generated by the piezoelectric ceramic actuators repeatedly expand and contract any air bubbles causing them to gradually grow larger as the ink pressure changes repeatedly expand and contract them The design therefore compensates by allowing the purging flushing of air bubbles during printing to keep the amount of air dissolved in the ink to a ...

Page 67: ...c actuators and thus degrading ink jet performance Bubble High pressure Piezoelectric element Pressure chamber Channel Bubble Without pressure The above illustration shows an example of an extremely large air bubble reaching the print nozzle from the channel ink flow path the dotted line the changes resulting from applying a voltage to the laminated electrode expanding the piezoelectric ceramic ac...

Page 68: ...e air Inks Removing air An earlier page explained how too much air in the ink risks air bubbles degrading ink jet performance The manufacturing process prevents such air bubbles with a step deaeration that removes air from the ink before injection into the cartridge Vacuum packaging then prevents air contamination during shipping and storage Pigment based ink Previous Brother machines used only dy...

Page 69: ...ar empty detection The ink refill assembly has four ink cartridge sensors photosensors of transparent type that monitor the ink levels with sensor arms inside the ink cartridges Attached to one end of the sensor arm is a float When there is ink in the cartridge buoyancy lifts the float rotating the sensor arm about a pivot near the center of the arm to block the light beam to the sensor indicating...

Page 70: ...3 19 Confidential 5 Ink refill assembly Ink cartridge base Cartridge clamp springs Ink cartridge sensors Ink cartridge joints Ink refill base Ink tube joints Polyurethane foam Ink cartridge base ...

Page 71: ...g its spread and thus reducing the risk of damage to other components Ink refill assembly The cartridge clamp springs force the ink cartridge ink supply ports into close contact with the joint head to prevent ink leakage The ink from the ink cartridges flows along paths in the ink refill base and through connectors into the ink supply tubes As the ink level in an ink cartridge drops the pressure i...

Page 72: ... highly impermeable barrier against air ingress and drying out of the ink during extended periods of nonuse This material is also soft and highly flexible to better withstand the sharp and frequent bending associated with high speed head operation repeatedly over extended periods ...

Page 73: ...les See page 3 25 Removing air bubbles from the print head See page 3 13 Cleaning with the wiper See page 3 29 The ink absorber box absorbs the ink sucked out by purge operations Ink absorber box Head carriage unit Ink supply tubes Ink refill ASSY Ink cartridges Maintenance unit 2 Maintenance unit components Pump switching unit This switches the negative pressure from the tube pump and the atmosph...

Page 74: ...he head nozzles for purge operations to suck up old ink Air vent rods Pushing these up opens the shut off valves inside the air vent unit expelling air trapped in the manifolds Head wiper As the head carriage unit moves this wipes off any ink remaining on the head nozzle surface Head cap holder This moves to the right together with the head carriage unit as the latter returns to its home position ...

Page 75: ...eniscuses The ink remaining inside these spaces seals them See the illustration below This mechanism moves with the head carriage unit When the head carriage unit returns to its home position it presses against the head cap holder in the maintenance unit The lift arms in the maintenance unit raise the head caps fitting them tightly over the head nozzle surface to protect them Head carriage unit He...

Page 76: ...2 2 1 the motor drives the PF roller gear L that rotates the paper feed roller At the right end of the roller left in the illustration because the view is from the rear is the PF roller gear R which always meshes with the clutch gear Paper feed roller Front Purge lever spring Purge bevel gear Purge gear Idle gear L Clutch gear Clutch gear spring PF roller gear R Purge lever Paper feed motor PF rol...

Page 77: ...the maintenance unit transmits the paper feed motor rotation to the bevel gear On the other hand when the head carriage unit moves left from the purge position the tab on the carriage rear panel releases the purge lever allowing a spring to force the purge lever and the clutch gear to the left The purge lever spring is stronger so forces the clutch gear spring back disengaging it from the purge ge...

Page 78: ... that the carriage lock pops out to lock the head carriage unit before purging and pops in before cleaning with the head wiper this lock also secures the head carriage unit during transportation the pump switching unit switches application of the negative pressure from the pump between the black head nozzles the color head nozzles and the air vent rod unit When the purge cam is in the head capping...

Page 79: ...he carriage lock is released pressing the head caps against the print head Purge lever Clutch gear Purge gear engaged with the purge bevel gear Idle gear L Purge cam Carriage lock Maintenance unit Vent rod unit Front 2 Purging Driving the purge cam to the pump switching unit s black or color position reverses the paper feed motor and activates the tube pump producing negative pressure to drain the...

Page 80: ...zles and the air vent rod unit Another position returns all these components to normal atmospheric pressure When the purge cam is in head capping position the carriage lock fits the head caps tightly over the print head and the pump switching unit is opened to the atmosphere The tube pump consists of a pump gear and tube roller As the pump gear rotates the tube roller on its circumference squeezes...

Page 81: ... rods Pushing up the air vent rods opens the shut off valves inside the air vent unit of the head carriage unit Simultaneously adding negative pressure from the tube pump expels air trapped in the manifolds Maintenance unit Clutch gear Purge gear Slide cam for black ink Purge cam Slide cam for color ink Air vent unit Air vent rod ...

Page 82: ...ck 0 55 cc Color 0 4 cc Black 28 Color 63 5 key Engine setup purge This purge operation refills the ink supply tubes with ink when there is no ink in those tubes Black 3 93 cc Color 2 76 cc Black 202 Color 443 6 key Cartridge replacement purge This purge operation must follow ink cartridge replacement Black 0 3 cc Color 0 15 cc Black 15 Color 22 7 key Ink drain purge not used This purge operation ...

Page 83: ... 6 and 4 keys in this sequence 2 Press the 8 and 0 keys in this order in the initial stage of the maintenance mode to call up the machine s log information Function code 80 Refer to Chapter 8 Section 8 5 19 3 Press the Black Start Mono Start key several times until the purge count appears on the LCD 4 Press the 2 7 8 and 3 keys in this order to reset the purge count to zero 5 Press the Stop Exit k...

Page 84: ... 3 cc Approx 10 5 cc Black ink cartridge 21 5 cc Approx 20 4 cc Initial cartridges that ship with the machine Color ink cartridges 14 2 cc Approx 13 4 cc Ink cartridge lifetimes Print conditions 3 pages day monochrome print 5 duty Ambient temperature 5 to 25 C Ink Cartridge Type Projected Lifetime High volume type Approx 6 7 months Black ink cartridge Low volume type Approx 4 6 months Color ink ca...

Page 85: ...ntroller uses this signal for proportional integration differential PID control ensuring uniform speed The strip s 1 150 dpi markings offer a choice of four speeds to match the print resolution 40 0 33 3 32 0 and 20 0 ips CR encoder strip Idle pulley CR timing belt Carriage motor Carriage motor pulley Paper feed roller Head carriage unit CR guide rail CR support chassis Aging Maintenance mode func...

Page 86: ... the slider and the rib attach the head carriage unit to the CR chassis The rib acts as a pivot for the slider s damping spring pressing the carriage to the rear Slider L has a skew adjustment knob that shifts the slider back and forth adjusting the angle of this backward pressure Rotating the skew adjustment knob tilts the entire head carriage unit thus adjusting the print nozzle vertical angle r...

Page 87: ...cument in the ADF The document rear sensor detects the leading and trailing edges of document pages indicating to the control circuitry the point at which to start reading and when page scanning is complete The cover open sensor detects whether the top cover is properly closed The paper width media sensor detects the right and left paper edges as well as the paper width in near edge printing The h...

Page 88: ...is an ink cartridge present The large volume ink cartridge sensor detects whether a large volume ink cartridge is loaded The hook switch sensor detects whether the handset is on the handset mount Most sensors are photointerrupters consisting of a light emitting diode and a light sensitive transistor The only exception is the paper width sensor which uses reflective tape The illustration on the nex...

Page 89: ...gistration sensor PF encoder sensor PF encoder disk PF sensor PCB CR encoder sensor Large volume ink cartridge sensor Document front sensor Document front sensor actuator Document rear sensor actuator Document rear sensor Cover open sensor actuator Cover open sensor Hook switch sensor Lower hook switch actuator Upper hook switch actuator Lower cover Hook switch PCB FAX1940CN 1840C Sensors and Actu...

Page 90: ...SCANNING INKJETPRINTING PAPERFEEDING 6 pin HookswitchPCB Media1 SM XD SD MS card Media2 CFcard Line Externaltelephone LAN PC 1 InkrefillASSY 9 pin EEPROM DCmotordriver Steppingmotordriver InkcartridgePCB Inkcartridge sensors Purgecamswitch Maintenanceunit 1 7 pin 5 pin SensorPCB PFencodersensor Registrationsensor 7 pin 2 pin 2 pin 2 8MB MFC3240CandFAX1840C 1835C 16MB MFC3340CNandFAX1940CN LANI F U...

Page 91: ...Confidential CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR ...

Page 92: ...to be sent for repair The service personnel should instruct end users to follow the transfer procedure given in this chapter if the machine at the user site cannot print received data due to the printing mechanism defective End users can transfer received data to another machine to prevent data loss CONTENTS 4 1 TRANSFERRING RECEIVED FAX DATA 4 1 ...

Page 93: ...nect the machine to be repaired that has received data in the memory to the telephone line 2 Switch the machine on 3 Press the Menu Set Black Start Mono Start 0 5 and 3 keys in this order to access user accessible functions of the maintenance mode The FAX TRANSFER appears on the LCD 4 To check the number of received files press the 1 key The 1 NO OF JOBS appears on the LCD Press the Menu Set key a...

Page 94: ...to type the telephone number with the numerical keys No one touch dialing is allowed in this procedure The machine displays the ACCEPTED for approx two seconds and starts dialing to transfer data No station ID will be attached A cover page and end page as shown on the next page will be automatically attached instead ...

Page 95: ...Station ID registered in the sender equipment FAX number of the sender equipment Telephone number of the sender equipment Transfer start date End page sample Job number Total number of pages transferred Station ID registered in the sender equipment FAX number of the sender equipment Telephone number of the sender equipment Error codes ...

Page 96: ...Confidential CHAPTER 5 DISASSEMBLY REASSEMBLY AND LUBRICATION ...

Page 97: ...1 Draining the Ink from the Ink Tubes Be sure to perform draining before removing the head carriage unit ink refill ASSY or engine unit 5 5 5 1 2 Jam Clear Cover Blank Cover and Handset Mount 5 6 5 1 3 Top Cover 5 7 5 1 4 Control Panel ASSY 5 9 5 1 5 Components on the Top Cover Document Pressure Bar and Document Front and Rear Sensor Actuators 5 12 5 1 6 Upper Hook Switch Actuator FAX1940CN 1840C ...

Page 98: ... 5 43 5 1 17 Main PCB 5 44 5 1 18 MJ PS Shield Box MJ PCB and Power Supply PCB 5 48 5 1 19 Ink Absorber Box 5 50 5 1 20 Engine Unit and Maintenance Unit 5 52 5 1 21 Components on the Engine Unit 5 54 5 1 22 Routing of the Harnesses and Flat Cables 5 66 5 2 LUBRICATION 5 71 ...

Page 99: ...uminum foil When replacing the head carriage unit put on a grounding wrist band and perform the job on a static mat Also take care not to touch the conductor sections on the flat cables 5 Be sure to reinsert self tapping screws correctly if removed 6 Tighten screws to the torque values listed on the next page 7 When connecting or disconnecting cable connectors hold the connector bodies not the wir...

Page 100: ...x6 1 0 39 0 1 4 1 Main PCB Taptite cup B M3x8 3 0 29 0 1 3 1 Taptite cup S M3x6 1 0 39 0 1 4 1 Main PCB shield frame Screw pan s p washer M3x8 1 0 59 0 1 6 1 MJ PS shield box Taptite cup S M3x6 2 0 39 0 1 4 1 MJ shield Screw pan washer M3x8DB 1 0 39 0 1 4 1 Power supply PCB Taptite cup S M3x6 4 0 39 0 1 4 1 Grounding terminal Screw pan s p washer M4x8DB 1 0 39 0 1 4 1 MJ PCB Taptite cup S M3x6 1 0...

Page 101: ... including the maintenance unit leave the head carriage unit and all four ink cartridges in the machine When removing the head carriage unit ink refill ASSY or engine unit you need to remove the ink cartridges and drain the ink from the ink refill ASSY and head carriage unit beforehand n How to Access the Target Component On the next page is a disassembly flowchart which helps you access the targe...

Page 102: ...TE 2 NOTE 3 Engine unit Maintenance unit CR encoder strip CR timing belt Paper pull in gear shaft and roller holder PF sensor PCB Paper pressure holder Paper feed motor Star wheel holder ASSY Platen Flushing case Registration sensor actuator PF encoder disk Ejection idle gear NOTE 4 NOTE 5 Paper ejection roller Carriage motor 5 1 16 5 1 19 5 1 18 5 1 18 5 1 18 5 1 7 5 1 7 5 1 21 5 1 14 5 1 21 5 1 ...

Page 103: ...and Black Start keys Next press the key four times to make the machine enter the maintenance mode The appears on the LCD TIP FAX models equipped with numerical keypads can enter the maintenance mode in the same way as conventional models that is by pressing the Menu Set 2 8 6 and 4 keys in this sequence 5 Carry out Initial purge with Function code 76 by pressing the 7 6 4 and Black Start keys For ...

Page 104: ... hook Insert the spring hook through the cutout as shown below and pull it outwards to disengage the boss provided inside the blank cover handset mount from the lock section provided on the upper cover Jam clear cover Handset mount Lock arm Lock arm Upper cover Lock section on the upper cover Spring hook Viewed from the inside of the handset mount Boss Cutout Blank cover MFC3340CN 3240C and FAX183...

Page 105: ...5 7 Confidential 5 1 3 Top Cover 1 Disconnect the panel main harness from the main PCB and take it out of the cable guides on the upper cover ...

Page 106: ...d off the upper cover 3 While supporting the top cover turn the top cover stoppers and take them off the top cover Lift the top cover and off the upper cover 4 Unhook the stopper springs from the upper cover and top cover stoppers Top cover stopper Panel main harness Lower cover Upper cover Front cover Stopper spring Top cover Latch ...

Page 107: ... Release the two latches provided on the control panel ASSY in the direction of the arrow as shown below and separate the ASSY from the top cover Panel main harness Panel main harness Control panel PCB Latch Latch Lock Y Lock Y Top cover Control panel ASSY Tab x Tab y Tab y Section X Taptite cup B M3x8 ...

Page 108: ...of the control panel PCB NOTE Do not pull away the control panel PCB that is connected to the LCD 2 Slightly lift up the control panel PCB unlock the flat cable connector on the PCB s inside face and disconnect the LCD flat cable FAX1940CN The microphone harness is taped together with the panel main harness Lift up the MIC cover microphone MIC and bushing ...

Page 109: ...rints or dust off the LCD surface and control panel window with a soft cloth A new LCD is covered with a protection sheet Before setting it remove the protection sheet When mounting the control panel PCB on the rubber keypad make sure that the inner edge of the cover open sensor actuator is beneath the rubber keypad When mounting the control panel ASSY on the top cover first fit section X and tabs...

Page 110: ...ip piece inwards and remove it from the boss provided on the top cover using a flat screwdriver 4 Remove the separation rubber and plate 5 Press the right or left support arm inwards and remove the document pressure bar The two springs also come off n Reassembling Notes When mounting the document pressure bar set two springs to the right and left bosses on the top cover Do not set a spring on the ...

Page 111: ...tch outwards and lift the upper hook switch actuator up and out of the upper cover The actuator spring also comes off Upper hook switch actuator Actuator spring Upper hook switch actuator Actuator spring Latch Upper cover Lower cover Front cover Straight end of the actuator spring ...

Page 112: ...ws 2 Take the front cover off the upper cover together with the media module cover 3 Press the latches on the harness cover inwards with a flat screwdriver slide the harness cover slightly to the rear push down the two tabs to release them from the upper cover and take the harness cover out of the upper cover ...

Page 113: ...of the document feed roller press the latches on the lock bushing release it to the left and remove the roller in the direction of the arrow shown below 2 Remove the document ejection roller in the same way as in step 1 Document feed roller Document ejection roller Lock bushings Latches Latches ...

Page 114: ...lass protect it from dust or fingerprints If it is stained wipe fingerprints or dust off the CIS glass Take care not to let foreign materials get into the CIS unit 3 Remove CIS sponges R and F CIS glass Upper cover Glass stopper CIS glass CIS sponge R CIS sponge F CIS stopper Latch Fit the rear end into the square opening provided in the upper cover ...

Page 115: ...4 Lift up the CIS unit and disconnect the CIS flat cable taking care not to drop the two CIS spacers NOTE Take care not to lose the spacers 5 Remove the CIS springs CIS unit CIS springs Upper cover CIS spacer CIS spacer ...

Page 116: ...ment pressure roller and its shaft The springs also come off 2 Press latches b to the front and remove the pinch rollers and their shaft The spring also comes off Upper cover Latches b Latches a Pinch roller spring Pinch roller shaft Pinch rollers Pressure roller springs Pressure roller shaft Document pressure roller ...

Page 117: ...ower cover Taptite bind B M4x12 n Reassembling Notes When mounting the upper cover Make sure that the head carriage unit is placed in the head capping position to prevent the ink supply tubes from getting crushed between the upper and lower covers Take care not to deform the PF encoder disk Be careful not to pinch the ink absorber box If pinched the ink absorber box presses down the paper pressure...

Page 118: ...Hook Switch Actuator and Hook Switch PCB FAX1940CN 1840C 1 Pull the lower hook switch actuator outwards turn it counterclockwise to release it from the boss and take it up and out of the lower cover The actuator spring also comes off ...

Page 119: ...h harness Main PCB Latch 2 Disconnect the hook switch harness from the main PCB 3 Insert the tip of a flat screwdriver through the square cutout provided in the bottom of the machine release the latch to the front and lift up the hook switch PCB ...

Page 120: ... Scanner Drive Unit Scanner Motor Document Pull in Roller and Document Separation Roller 1 Turn the upper cover upside down 2 Remove the four screws and take the reinforcement plate off the upper cover The grounding plate and cover film also come off ...

Page 121: ...om the flat core 4 Remove the two screws from the scanner drive unit 5 Release the right and left rear corners of the document pull in separation roller holder from the lock tabs provided on the upper cover and take the roller holder out of the latches ...

Page 122: ...ightly pull up the lock tab and pull out the separation roller gear 2 Remove the document separation roller and idle gear 3 Slightly push down the lock arm and remove the document pull in roller and its gear 4 Remove the flat core 5 Remove the planetary gear assembly from the scanner drive unit 6 Remove the two screws and take the scanner motor off ...

Page 123: ...e unit you need to turn the machine on and let the head carriage unit travel to the head replacement position as described in Section 5 1 1 Function code 63 Do not move the head carriage unit by hand when the machine is turned off However if the head carriage unit fails to move in Section 5 1 1 rotate the ejection idle gear shown on the next page counterclockwise viewed from the left by hand to un...

Page 124: ...5 26 Confidential Removing the head cover 2 Unlatch the head cover from the head carriage unit and pull it up Head cover Head carriage unit Latches Latches Ejection idle gear ...

Page 125: ...and bent section of the FFC support film off section a of the cable clamp on the head joint and take the head flat cables out of section b Flat core Head carriage unit Carriage head flat cable Opening Cable clamp on the head joint Main PCB Head flat cable 2 19 pin Head flat cable 1 17 pin Section b of cable clamp on the head joint Head flat cable 2 19 pin Head flat cable 1 17 pin Carriage PCB FFC ...

Page 126: ...n the section where the head joint was mounted 7 Remove the head joint rubber that is a part of the head carriage unit but may be attached to the head joint and put it on a clean vinyl sheet while taking care not to contaminate it NOTE Wipe off the ink remaining on the section where the head joint was mounted with a clean lint free cloth NOTE Wrap the head joint in a clean lint free cloth to preve...

Page 127: ...e CR timing belt from the carriage motor pulley and idle pulley 9 Move the head carriage unit to the left end of its travel 10 Align the bosses on the head carriage unit with the cutouts in the engine unit and lift the head carriage unit up and off the engine unit NOTE Do not touch the print nozzles the printing ends or ink supply ports to which ink supply tubes are connected of the head carriage ...

Page 128: ...label that is attached to the carriage head flat cable and the machine When you remove the head carriage unit and store it separately from the machine remove the property label from the machine and store it together with the head carriage unit If you replace the head carriage unit attach the property label that comes with the new head carriage unit to the machine as shown below ...

Page 129: ...ake care not to touch the conductor sections on the flat cables When you set a new head carriage unit to the machine apply lubricant to the 5 points specified in Section 5 2 After replacement of the head carriage unit check that the CR encoder strip and PF encoder disk are free of grease If they are stained with grease replace them If you replace the head carriage unit make adjustments specified i...

Page 130: ...right side of the joint leaf spring 7 Mount the head cover 8 Attach the FFC sponge at a place 1 1 mm apart from the head cover as shown below Flat core Opening Section b of cable clamp on the head joint Main PCB Head flat cable 2 19 pin Head flat cable 2 19 pin Head flat cable 1 17 pin Head flat cable 1 17 pin Carriage PCB FFC sponge FFC support film FFC support film Section a of cable clamp on th...

Page 131: ...SSY and head carriage unit has been drained all four ink cartridges have been replaced with protective cartridges the head carriage unit is placed in the head replacement position and the power cord is unplugged from the electrical outlet Removing the head cover 2 Unlatch the head cover from the head carriage unit and pull it up Head cover Head carriage unit Latches Ejection idle gear Head cover I...

Page 132: ... from the cable clamp 5 Remove the head flat cables from the FFC support NOTE For easier removal first release the left end of the FFC support film from the boss on the FFC support and turn the head flat cables clockwise Flat core Carriage PCB Head carriage unit Carriage head flat cable Opening Cable clamp on the head joint Main PCB Head flat cable 2 19 pin Head flat cable 1 17 pin Carriage PCB FF...

Page 133: ...age PCB to release the rear edge from the two latches provided on the head carriage unit Then lift the carriage PCB up and out of the head carriage unit Flat core Carriage PCB Latches Head carriage unit Carriage head flat cable Cable clamp on the head joint ...

Page 134: ...f the head carriage unit but may be attached to the head joint and put it on a clean vinyl sheet while taking care not to contaminate it NOTE Wipe off the ink remaining on the section where the head joint was mounted with a clean lint free cloth NOTE Wrap the head joint in a clean lint free cloth to prevent ink remaining in the ink supply tubes from leaking and the machine from getting stained wit...

Page 135: ... Move the head carriage unit to the left end of its travel 12 Align the bosses on the head carriage unit with the cutouts in the engine unit and lift the head carriage unit up and off the engine unit NOTE Do not touch the print nozzles the printing ends or ink supply ports to which ink supply tubes are connected of the head carriage unit doing so will not only stain your hands with ink but also da...

Page 136: ...label that is attached to the carriage head flat cable and the machine When you remove the head carriage unit and store it separately from the machine remove the property label from the machine and store it together with the head carriage unit If you replace the head carriage unit attach the property label that comes with the new head carriage unit to the machine as shown below ...

Page 137: ...trip and PF encoder disk are free of grease If they are stained with grease replace them If you replace the head carriage unit make adjustments specified in Chapter 6 Section 6 2 When mounting the head carriage unit route the head flat cables and attach the FFC support using the following procedure See the illustration on the next page 1 Attach a piece of double sided adhesive tape which is used t...

Page 138: ...flat cable 1 as shown on page 5 34 and secure it to the lower cover with the double sided adhesive tape attached in 1 above 8 Mount the head cover Flat core Carriage PCB Opening Main PCB Head flat cable 2 19 pin Head flat cable 1 17 pin FFC support Lower cover Double sided adhesive tape Cable clamp on the head joint ...

Page 139: ... release the battery harness from the hook provided on the lower cover since the battery harness is routed beneath those tubes See Section 5 1 22 Routing C 3 Release the battery harness from the hook and remove the backup battery CAUTION There is a danger of explosion if the battery is incorrectly replaced Do not disassemble or recharge the battery Do not dispose of the battery in fire Used batter...

Page 140: ...5 42 Confidential n Reassembling Notes Route the battery harness beneath the ink supply tubes as shown below ...

Page 141: ...ber foam that may be stained with ink If it is excessively stained replace the ink refill ASSY 3 Disconnect the ink cartridge purge cam switch harness from the main PCB and the ink cartridge PCB 4 Disconnect the large volume ink cartridge sensor harness from the ink cartridge PCB and remove the sensor from the ink refill ASSY Main PCB Ink refill ASSY Head joint Ink supply tubes Ink cartridge base ...

Page 142: ...al of the main PCB untightening screws should be preceded by disconnection of the harnesses and flat cables and at the time of installation connection of the harnesses and flat cables by tightening of screws Observing this sequence prevents harnesses and flat cables from getting crushed or damaged by screws or screwdrivers 1 Remove three screws b1 through b3 from the main PCB shield and lift it up...

Page 143: ...owing harnesses and flat cables from the main PCB CAUTION Do not remove the screws from the main PCB before disconnecting harnesses and flat cables Power supply harness 4 pin PF motor sensor PCB harness 7 pin Carriage motor harness 2 pin MJ main harness 1 2 pin Speaker harness 2 pin Head flat cable 1 17 pin Head flat cable 2 19 pin 0 1 2 3 2 1 MFC3340CN only 2 FAX1940CN only ...

Page 144: ...hield frame c Screw pan s p washer M3x8 d Taptite cup B M3x8 e Taptite cup S M3x6 8 The thermal conductor rubber is attached to the solder side of the main PCB When replacing the main PCB gently remove the thermal conductor rubber from the main PCB and attach it to a new PCB For details refer to the next page NOTE Screw tightening order First tighten screws d and e and then screw c ...

Page 145: ...d then screw c See the previous page Before securing the main PCB shield connect the MJ line harnesses to the main PCB and route it through the SDAA enclosure as shown below SDAA enclosure MJ line harness Speaker harness MJ main harness Scanner motor harness and panel main harness Main PCB If you replace the main PCB also replace the ink absorber box Otherwise drained ink may overflow after long t...

Page 146: ...Remove the two screws 2 Insert the tip of a flat screwdriver through square cutout x and push boss X inwards to release the MJ PS shield box Cutout x Taptite cup S M3x6 Lower cover MJ PS shield box Power supply harness MJ main harness 1 MJ line harness Boss X Latch Cutout x ...

Page 147: ...PS shield MJ line harness 2 pin a b MJ PCB MJ shield c d3 d2 d4 d1 Grounding terminal Power supply PCB Power supply shield Lower MJ PS shield MJ main harness 1 2 pin MJ main harness MJ line harness Power cable MJ PS shield box Power supply PCB NOTE Tighten d1 through d4 screws in this order a Screw pan washer M3x8DB b and d1 through d4 Taptite cup S M3x6 c Screw pan s p washer M4x8DB n Reassemblin...

Page 148: ...he atmospheric air in tissue paper to prevent drained ink from leaking and the machine from getting stained with leaked ink 2 Lift the ink absorber box up and out of the lower cover NOTE Do not remove the ink absorber box unless it needs to be replaced When replacing it set a new one immediately to prevent the machine from getting stained with drained ink NOTE If the ink absorber box or its surrou...

Page 149: ...ears on the LCD TIP FAX models equipped with numerical keypads can enter the maintenance mode in the same way as conventional models that is by pressing the Menu Set 2 8 6 and 4 keys in this sequence 2 Press the 8 and 0 keys in this order to display the equipment s log Function code 80 described in Chapter 8 Section 8 5 19 3 Press the Black Start key several times until the purge count appears on ...

Page 150: ...1 1 After ink draining be sure to set protective cartridges instead of dummy ones Removing the engine unit 1 Lift the engine unit up and out of the lower cover NOTE When handling the engine unit hold it at the both ends with both hands taking care not to touch the PF encoder disk Do not hold it with one hand at the center particularly at the carriage rail section NOTE Do not place the engine unit ...

Page 151: ...4 Unlatch the purge cam switch from the maintenance unit 5 Remove the purge related parts from the engine unit as shown below NOTE Take care not to let the springs bounce off e Taptite cup B M3x8 f Taptite cup S M3x6 Reassembling Note When setting the idle gear L back into place face its ribs inwards Reassembling Note If you replace the engine unit make adjustments specified in Chapter 6 Section 6...

Page 152: ... care not to scratch or damage the encoder strip If it becomes dirty wipe it with a soft dry cloth If it is stained with ink replace it Reassembling Note Pass the CR encoder strip through the CR encoder sensor located at the back of the head carriage unit so that the s marked end is to the right carriage motor side and the s mark points upwards ...

Page 153: ...r 2 Press the locking arm and pull out the paper pull in gear shaft to the right 3 Remove the paper pull in roller holder Paper pull in gear shaft Engine unit Locking arm Paper pull in roller holder Paper pull in gear shaft Viewed from the bottom Paper pull in roller holder ...

Page 154: ...chassis of the engine unit and turn bushing L clockwise viewed from the right At the right end release the lock arm of bushing R from the chassis and turn it clockwise to the horizontal position then remove the paper ejection roller towards you Lock arm of bushing R Lock arm of bushing R Engine unit Lock arm of bushing L Lock arm of bushing L Paper ejection roller ...

Page 155: ...l out the platen towards you CR support chassis CR guide rail Paper feed roller shaft A Edge B Slit b Platen a Reassembling Note Make sure that section a and slit b on the platen are fitted over paper feed roller shaft A and edge B respectively ...

Page 156: ...wheel holder ASSY 6 Release the two latches provided on the star wheel holder ASSY from the CR support chassis and take the ASSY out of the engine unit CR support chassis CR guide rail Star wheel holder ASSY Latches Carriage motor harness ...

Page 157: ... the paper pressure holder and registration sensor actuator 7 Release the latch provided on the paper pressure holder from the engine unit and remove the holder to the left and rear The four paper pressure springs also come off ...

Page 158: ...ssure holder and turn the registration sensor actuator in the direction of the arrow as shown below to release it Hooking the sensor actuator spring Registration sensor actuator Sensor actuator spring Registration sensor actuator Paper pressure holder Sensor actuator spring ...

Page 159: ...5 61 Confidential Removing the flushing case 9 Press the locking pawl from the bottom of the flushing case and slide the case to the right and rear ...

Page 160: ...5 62 Confidential Removing the carriage motor 10 Release the carriage motor from the engine unit by removing the two screws CR support chassis CR guide rail Screw bind M3x3 Carriage motor ...

Page 161: ...moving the PF sensor PCB 11 Disconnect the PF motor sensor PCB harness from the PF sensor PCB 12 Remove the screw from the PF sensor PCB and release the PCB from the engine unit taking care not to touch the PF encoder disk ...

Page 162: ...ar 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 14 Remove the ejection idle gear PF roller gear L Paper feed roller Engine unit PF encoder disk Ejection idle gear PF motor sensor PCB harness ...

Page 163: ...emove the two screws and release the paper feed motor from the engine unit Reassembling Note When attaching the PF encoder disk to the PF roller gear put on clean gloves to protect the disk surface from dust or fingerprints ...

Page 164: ...5 66 Confidential 5 1 22 Routing of the Harnesses and Flat Cables Routing A Panel main harness on the top cover and upper cover ...

Page 165: ...5 67 Confidential Routing B Scanner motor harness on the scanner drive unit Scanner motor harness Ferrite core Scanner drive unit Latch Cable guide ...

Page 166: ... PCB harness 7 pin Scanner motor harness 4 pin Power supply harness 4 pin Carriage motor harness 2 pin MJ main harness 1 2 pin MJ line harness 2 pin Speaker harness 2 pin Purge cam switch harness 2 pin Ink cartridge PCB harness 7 pin Ink cartridge purge cam switch harness 9 pin Main PCB CIS flat cable 12 pin CL main harness 11 pin Battery harness 4 pin FAX1940CN ...

Page 167: ...5 69 Confidential Viewed from the left ...

Page 168: ...DAA enclosure MJ line harness Speaker harness MJ main harness Scanner motor harness and panel main harness Main PCB Routing E Power cord MJ main harness and MJ line harness in the MJ PS shield box Power supply shield MJ main harness MJ line harness Power cable MJ PS shield box Power supply PCB ...

Page 169: ...pe Manufacturer Lubrication points Lubricant amount Molykote EM 60L Dow Corning Head carriage unit 3 mm dia ball Molykote EL 30LG Dow Corning Document pull in roller Document separation roller 3 mm dia ball n Head carriage unit Apply a 3 mm dia ball of grease Molykote EM 60L to each of the following lubrication points ...

Page 170: ...5 72 Confidential n Document pull in roller and document separation roller Apply a 3 mm dia ball of grease Molykote EM 60L to each of the following lubrication points ...

Page 171: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...

Page 172: ...on value 6 14 6 Align vertical print lines 6 17 7 Margin adjustment in near edge printing 6 19 8 Print out a test pattern 6 21 9 Load the firmware designed for the corresponding model to the flash ROM Required for the MFC3240C FAX1840C U S A Canadian models 6 21 10 Switch back to standby 6 22 11 Replace the ink cartridges with protective ones 6 22 6 3 IF YOU REPLACE THE MAIN PCB 6 23 1 Load the fu...

Page 173: ...the flash ROM Required for the MFC3240C FAX1840C U S A Canadian models 6 27 12 Switch back to standby Required for the MFC3340CN and FAX1940CN 1835C 6 27 6 4 IF YOU REPLACE THE INK ABSORBER BOX 6 28 Reset the purge counter to zero 6 28 Reset the ink absorber counter to the count specified for a spare ink absorber box 6 28 ...

Page 174: ...te below BrUsbsn exe brusbsn ini FILEDG32 exe Head carriage unit Engine unit Section 6 2 Ö Ö Ö Ö Ö Main PCB Section 6 3 Ö Ö Ö Ö Ö Ink absorber box Section 6 4 Note The full maintenance program is required for the MFC3240C FAX1840C U S A Canadian models INCLINE PRN PFROLL PRN EDGE_CHECK PRN Head carriage unit Engine unit Section 6 2 Ö Ö Ö Main PCB Section 6 3 Ö Ö Ö Ink absorber box Section 6 4 NOTE...

Page 175: ...SB devices to be implemented by driver software If you connect any number of machines to your PC therefore the same number of virtual USB devices will be automatically configured on your PC To prevent virtual USB devices from being configured limitlessly use the unique driver installation procedure described below that enables your PC to identify terminals via a single virtual USB device NOTE Once...

Page 176: ...lowing screen appears indicating the detection of new hardware device by the system Click Next to proceed 7 Select Search for a suitable driver for my device recommended and click Next 8 Select Specify a location and click Next ...

Page 177: ...elect the folder where the copy of the BHL2 Maintenance Printer driver is located or click Browse to specify it then click OK This sample screen is captured on the Windows 2000 desktop 10 Click Next 11 To proceed click Yes ...

Page 178: ...ion of the driver installation if the machine exits the maintenance mode the Found New Hardware Wizard screen in step 6 appears again Click Cancel NOTE To check that the printer driver is successfully installed click Start Settings Printers to call up the Printers window as shown below and confirm that the BHL2 Maintenance Printer icon is displayed ...

Page 179: ...temporarily load the full maintenance program via the work PC to the flash ROM of the machine to be repaired NOTE After repair be sure to load the latest version of the firmware designed for the corresponding model to the machine Maintenance mode functions 01 05 09 10 11 12 13 32 53 54 55 58 Embedded maintenance program supports Ö Ö Ö Ö Ö Ö Ö Ö User accessible Ö Ö Ö Ö Maintenance mode functions 63...

Page 180: ...on the work PC 3 While holding down the 5 key plug the machine s power cord into an electrical outlet NOTE This step is not required if the main PCB is replaced with a new one Just turning on the machine automatically switches to program loading 4 Connect the machine to the work PC using the USB cable 5 Run FILEDG32 exe in the folder created The Filedrgs window appears as shown below 6 Drag and dr...

Page 181: ...wer cord is unplugged from an electrical outlet If the machine is connected to a PC unplug the USB cable 2 Switch on the PC 3 Plug the machine s power cord into an electrical outlet 4 Enter the maintenance mode 5 Connect the machine to the PC using the USB cable 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 cli...

Page 182: ...t number assigned to the BHL2 Maintenance Printer To confirm the port number follow the instructions below Click Start Settings Printers The Printers window appears as shown below Right click the BHL2 Maintenance Printer icon Click Properties ...

Page 183: ... which is printed on the bar code label attached to the head carriage unit Click the OK button 10 To check that the entered head property is correct using Function code 68 in Chapter 8 Section 8 5 15 press the 6 and 8 keys in this order Then press the 2 5 8 0 keys in this order The LCD shows the current head property information 12 digit code stored in the EEPROM on the main PCB 11 Check that the ...

Page 184: ...Initial purge with Function code 76 using the steps below See Chapter 8 Section 8 5 18 Press the 7 and 6 keys in this order The machine displays CLEANING ALL on the LCD and enters the purge mode Press the 4 and Black Start Mono Start keys in this order The machine starts an initial purge that refills the ink supply tubes and the new print head with fresh ink ...

Page 185: ...ow appears as shown below 2 Drag and drop the INCLINE PRN icon onto the BHL2 Maintenance Printer icon in the Filedrgs window shown above The Incline Adjust test chart will be printed out 3 Check the printed test patterns and select the one that is the least uneven print Make a note of that pattern number Head Positioning Test Pattern ...

Page 186: ...2 Travel Check of the Head Carriage Unit and Initial Setup Mode 5 Turn the head skew adjuster knob by the number of divisions specified by the pattern number you recorded in step 3 using a spanner If pattern 1 is the least uneven print for example turn the head skew adjuster knob to the front by one division if pattern 1 turn the lever to the rear by one division Head skew adjuster knob ...

Page 187: ...n the LCD 5 Check the PF adjust check patterns A on page 6 16 and select the one that is the least uneven print Make a note of that pattern number If the unevenness is far to the left of check pattern 8 regard it as 8 if it is far to the right of check pattern 8 regard it as 8 In this case you need to check whether the paper feed roller and head carriage unit are set into place 6 Enter the number ...

Page 188: ...D 9 Check the PF adjust check patterns B on the next page and select the one that is the least uneven print Make a note of that pattern number 10 Enter the number of the least uneven check pattern found in step 9 in the same way as in step 6 The machine automatically returns to the initial stage of the maintenance mode ...

Page 189: ...6 16 Confidential Paper Feeding Check Patterns for the Paper Feed Roller and Paper Ejection Roller A Þ B Þ ...

Page 190: ...heck the printed vertical alignment check patterns for the 600 dpi and find which number line shows full alignment If the line is other than No 5 enter that line number by using the numerical keys The 1200DPI NO 1 8 appears 3 For the 1200 dpi perform the same operation as in step 2 The 750DPI NO 1 8 appears 4 For the 750 dpi perform the same operation as in step 2 The machine automatically returns...

Page 191: ...6 18 Confidential Vertical Alignment Check Patterns ...

Page 192: ... mm no adjustment is required 4 If either margin is out of the specified range press the 6 key twice on the machine The MEDIA SENSOR ADJ appears again 5 To make the machine ready for data entry press the key 6 Enter the measured value in units of 0 1 mm multiplied by 10 Example Left 10 Right 13 In this example press 1 0 Menu Set 1 3 and Menu Set keys 7 Upon completion of the entry the machine auto...

Page 193: ...6 20 Confidential Margin Check Pattern ...

Page 194: ...plug the machine s power cord from the electrical outlet 3 While holding down the 5 key plug the power cord of the machine into an electrical outlet 4 On the PC run FILEDG32 exe in the folder created in Section 6 1 1 The Filedrgs window appears as shown below 5 Drag and drop the firmware file that has been designed for the corresponding model repaired onto the BHL2 Maintenance Printer icon in the ...

Page 195: ...in Section 6 1 2 Click Cancel on the wizard screen 10 Switch back to standby After completion of the adjustment disconnect the USB cable and then press the 9 key twice to return to the standby state NOTE Be sure to disconnect the USB cable first Returning to the standby state without disconnecting the USB cable runs Found New Hardware Wizard that starts USB driver installation as described in Sect...

Page 196: ...wing procedure 1 Press the 8 and 0 keys in this order in the initial stage of the maintenance mode NOTE Make a note of the log information displayed on the LCD on the machine s repair log sheet as well as leaving a comment that the log information stored in the EEPROM is different from the actual record 2 Press the Black Start Mono Start key several times until the purge count appears on the LCD 3...

Page 197: ... is displayed If the driver has not been installed install it referring to Section 6 1 2 1 Make sure that your PC is turned off then connect the machine to your PC using a USB cable 2 Switch your PC on 3 On your PC run the ID head property utility BrUsbsn exe in the folder created in Section 6 1 1 The following window appears 4 On the Model menu click BH 5 In Port select the port number assigned t...

Page 198: ...6 25 Confidential The Printers window appears as shown below Right click the BHL2 Maintenance Printer driver icon Click Properties ...

Page 199: ...the head carriage unit Click the OK button 8 Check whether the entered character strings ID code and head property information are correct with the following procedure Press the 8 and 0 keys in this order Then press the Black Start Mono Start key several times and the ID code appears on the LCD Check that the displayed code is that string entered in step 6 Next press the 6 and 8 keys in this order...

Page 200: ...to Section 6 2 7 11 Load the firmware designed for the corresponding model to the flash ROM Required for the MFC3240C FAX1840C U S A Canadian models Refer to Section 6 2 9 12 Switch back to standby Required for the MFC3340CN and FAX1940CN 1835C Refer to Section 6 2 10 ...

Page 201: ...Start key many times until the purge count appears on the LCD 4 Press the 2 7 8 and 3 keys in this order to reset the purge count to zero 5 Press the Stop Exit key to return to the initial stage of the maintenance mode Reset the ink absorber counter to the count specified for a spare ink absorber box 6 Press the 6 3 and 9 keys in this order to reset the ink absorber counter to the count specified ...

Page 202: ...Confidential CHAPTER 7 CLEANING ...

Page 203: ...ures not covered by the User s Manual Before starting any repair work clean the machine as it may solve the problem concerned CONTENTS 7 1 CLEANING THE MAINTENANCE UNIT 7 1 For the cleaning procedures of the head carriage unit scanner and platen refer to the User s Guide ...

Page 204: ...ad cleaner stick provided as a spare part NOTE Do not use a cotton swab that may leave lint on the cleaned sections Lint left on the maintenance unit will affect the print performance NOTE Use a new Rubycel stick and do not use the used one for any other maintenance units NOTE During the cleaning jobs take care not to touch the head caps or wiper directly by hand or scratch their surfaces Do not r...

Page 205: ...Confidential CHAPTER 8 MAINTENANCE MODE ...

Page 206: ...EEPROM Parameter Initialization Function code 01 91 8 7 8 5 2 Printout of Scanning Compensation Data Function code 05 8 8 8 5 3 Test Pattern Function code 09 8 10 8 5 4 Firmware Switch Setting and Printout Function codes 10 and 11 8 12 8 5 5 Operational Check of LCD Function code 12 8 15 8 5 6 Operational Check of Control Panel PCB Function code 13 8 16 8 5 7 Sensor Operational Check Function code...

Page 207: ...s Log Function code 80 8 39 8 5 20 Equipment Error Code Indication Function code 82 8 40 8 5 21 Output of Transmission Log to the Telephone Line Function code 87 8 40 8 5 22 Cancellation of the Pin TX Lock Mode Not applicable to U S A models 8 41 ...

Page 208: ...3 32 53 54 55 58 Embedded maintenance program supports Ö Ö Ö Ö Ö Ö Ö Ö User accessible Ö Ö Ö Ö Maintenance mode functions 63 65 66 68 69 74 76 80 82 87 91 99 Embedded maintenance program supports Ö Ö Ö Ö Ö Ö Ö Ö Ö Ö User accessible Ö Ö Ö Ö Ö Ö 2 Loading the full maintenance program temporarily NOTE Before proceeding the program loading procedure install the printer driver to the work PC Refer to A...

Page 209: ...bove When the work PC starts loading the full maintenance program to the flash ROM of the machine the machine beeps intermittently Loading terminates in approx 2 minutes 3 Loading the latest version of the firmware designed for the corresponding model If the full maintenance program has been installed onto the machine you need to load the latest version of the firmware designed for the correspondi...

Page 210: ...f the maintenance mode a mode in which the machine is ready to accept entry from the keys To select one of the maintenance mode functions listed in Section 8 3 enter the corresponding 2 digit function code with the numerical keys on the control panel The details of each maintenance mode function are described in Section 8 5 NOTES To exit from the maintenance mode and switch to standby press the 9 ...

Page 211: ...r Area Setting 8 5 10 8 23 58 Updating of Paper Feeding Correction Value 8 5 11 8 24 63 Travel Check of Head Carriage Unit Initial Setup Mode and Ink Absorber Count 8 5 12 8 27 65 Alignment of Vertical Print Lines in Monochrome 8 5 13 8 28 66 Margin Adjustment in Near edge Printing 8 5 14 8 30 68 Updating of Property Data 8 5 15 8 33 69 Initial Adjustment of PWM Value Aging of the Head Carriage Un...

Page 212: ... instruct end users to follow the procedure given below 1 Press the Menu Set Black Start Mono Start Menu Set and Black Start Mono Start keys in this order TIP For the FAX models equipped with numerical keypads you may press the Menu Set Black Start Mono Start and 0 keys instead in the same way as conventional models The MAINTENANCE 10 appears on the LCD 2 To access function code 10 press the Menu ...

Page 213: ...8 6 Confidential FAX1940CN 1840C 1835C Black Start Mono Start key Stop Exit key Menu Set key and keys ...

Page 214: ...ction registration One touch dialing Speed dialing Group dialing All of these will be initialized These will not be initialized EEPROM customizing code 4 digit This will not be initialized Note that the first digit of the 4 digit code will be initialized to 0 If the code is 1001 for example it will be initialized to 0001 NOTE If you replace the main PCB with the one used for any other machine carr...

Page 215: ...es white and black level data and takes in the scanning compensation reference data 1 Press the 0 and 5 keys in this order in the initial stage of the maintenance mode The PRINT will appear on the LCD 2 The machine prints out the scanning compensation data list containing the following a Black white data graph b LED light intensity pulse data for green image 2 bytes c LED light intensity pulse dat...

Page 216: ...8 9 Confidential Scanning Compensation Data List a b c d e f i ...

Page 217: ...e flash ROM Refer to Section 8 1 n Function This function much like the copying function prints out a test pattern PRINT QUALITY CHECK SHEET to allow the service personnel to check for print quality n Operating Procedure Press the 0 and 9 keys in this order in the initial stage of the maintenance mode The figure on the next page shows a test pattern which is printed on the PRINT QUALITY CHECK SHEE...

Page 218: ...otted line forming the four color blocks are all visible with no gaps If OK select Yes at the control panel If gaps are visible select No at the control panel to start the cleaning process and follow the prompts at the LCD Test Pattern ...

Page 219: ...BX mode setting WSW04 TRANSFER facility setting WSW05 1st dial tone and busy tone detection WSW06 Pause key setting and 2nd dial tone detection WSW07 Dial tone setting 1 WSW08 Dial tone setting 2 WSW09 Protocol definition 1 WSW10 Protocol definition 2 WSW11 Busy tone setting WSW12 Signal detection condition setting WSW13 Modem setting WSW14 AUTO ANS facility setting WSW15 REDIAL facility setting W...

Page 220: ...s 01 through 51 The following appears on the LCD Selector 1 Selector 8 WSWXX 0 0 0 0 0 0 0 0 3 Use the right and left arrow keys to move the cursor to the selector position to be modified 4 Enter the desired number using the 0 and 1 keys 5 Press the Menu Set key This operation saves the newly entered selector values onto the EEPROM and readies the machine for accepting a firmware switch number 6 R...

Page 221: ... firmware switches n Operating Procedure 1 Press the 1 key twice in the initial stage of the maintenance mode The PRINTING will appear on the LCD 2 The machine prints out the configuration list as shown in the figure below 3 Upon completion of printing the machine returns to the initial stage of the maintenance mode Configuration List ...

Page 222: ...order in the initial stage of the maintenance mode The LCD shows the screen given at right 2 Press the Black Start Mono Start key Each time you press the Black Start Mono Start key the LCD cycles through the displays shown at right 3 Press the Stop Exit key in any process of the above display cycle The machine beeps for one second and returns to the initial stage of the maintenance mode Black Star...

Page 223: ...ey is pressed Check that the displayed number is correct by referring to the illustration below If a key is pressed out of order the machine beeps and displays the INVALID OPERATE on the LCD To return to the status ready to accept key entry for operational check press the Stop Exit key 3 After the last number key is pressed the machine beeps and returns to the initial stage of the maintenance mode...

Page 224: ...8 17 Confidential FAX1940CN 1840C 1835C 1 2 3 4 6 5 7 11 12 13 8 14 15 22 9 16 17 18 23 10 19 20 21 24 27 28 29 25 26 30 31 32 33 34 35 Key Entry Order 2 ...

Page 225: ...or Yellow ink cartridge sensor Cyan ink cartridge sensor Magenta ink cartridge sensor Head driver chip temperature sensor Hook switch sensor FAX1940CN 1840C Large volume ink cartridge sensor n Operating Procedure 1 Press the 3 and 2 keys in this order in the initial stage of the maintenance mode The machine sounds 1100 Hz and 400 Hz tones cyclically through the following volumes for testing the sp...

Page 226: ...k cartridge loaded Yellow ink present IC Cyan ink cartridge sensor Cyan ink cartridge loaded Cyan ink present IM Magenta ink cartridge sensor Magenta ink cartridge loaded Magenta ink present VT Head driver chip temperature sensor Driver chip temperature within the allowable range HK Hook switch On hook state LK Large volume ink cartridge sensor Large volume ink cartridge loaded FAX1940CN 1840C The...

Page 227: ... LCD Press the Menu Set key and the number of received files appears just as NO OF JOBS 10 3 To transfer the activity report only press the 2 key The 2 ACTIVITY appears To transfer received files together with the activity report press the 3 key The 3 DOCUMENTS appears Note that if there is no received file the NO DOCUMENTS appears 4 To transfer the communication list for the latest communication ...

Page 228: ...Station ID registered in the sender equipment FAX number of the sender equipment Telephone number of the sender equipment Transfer start date End page sample Job number Total number of pages transferred Station ID registered in the sender equipment FAX number of the sender equipment Telephone number of the sender equipment Error codes ...

Page 229: ...ars on the LCD After one second the current scanning position correction value appears You can adjust the correction value to 11 levels from 5 to 5 mm 2 To increase the correction value press the left arrow key to decrease it press the right arrow key If you press the Stop Exit key the machine returns to the initial stage of the maintenance mode without making change of the correction value 3 Pres...

Page 230: ...M on the main PCB n Operating Procedure 1 Press the 5 key twice in the initial stage of the maintenance mode The SCANNER AREA SET will appear on the LCD The machine automatically obtains white level data 2 If this operation completes normally the machine returns to the initial stage of the maintenance mode If any error is noted the SCANNER ERROR appears on the LCD To return the machine to the init...

Page 231: ... of the paper feed roller using the correction value stored in the EEPROM on the main PCB If you replace the engine unit paper ejection roller or head carriage unit you need to update the paper feeding correction value according to the procedure given here n Operating Procedure 1 Switch on your PC 2 Connect the machine to your PC using the USB cable 3 Run FILEDG32 exe in the folder created in Sect...

Page 232: ...nter the number of the least uneven check pattern found in step 7 For example if the number of the least uneven check pattern is 4 press the and 4 keys if 4 press the and 4 keys To enter use the key to enter use the key The machine automatically returns to the initial stage of the maintenance mode 9 Press the 5 and 8 keys on the machine The 1 PF 2 EXIT appears on the LCD 10 To select the paper eje...

Page 233: ...8 26 Confidential Paper Feeding Check Pattern for the Paper Feed Roller and Paper Ejection Roller A Þ B Þ ...

Page 234: ...ad replacement or adjustment jobs press the Stop Exit key The head carriage unit returns to the home position where the head carriage unit will be locked 3 To enable or disable the initial setup mode when the power is applied at the next time press the 1 or 3 key respectively If you enable the initial setup mode wait until the INIT appears on the LCD and the head carriage unit becomes locked When ...

Page 235: ...heck patterns as shown on the next page On the 1st sheet two sets of vertical alignment check patterns in monochrome are printed for 600 dpi and 1200 dpi each of which consists of 1 through 8 blocks If the vertical alignment is ON 5 block each in the 600 and 1200 dpi printouts shows vertically aligned lines On the 2nd sheet the vertical alignment check pattern is printed for 750 dpi The 600DPI NO ...

Page 236: ...8 29 Confidential 1st sheet 2nd sheet Vertical Alignment Check Patterns ...

Page 237: ...Connect the machine to your PC using the USB cable 4 On the PC run FILEDG32 exe in the folder created in Section 6 1 1 The Filedrgs window appears as shown below 5 Drag and drop the EDGE_CHECK PRN onto the BHL2 Maintenance Printer icon in the Filedrgs window shown above The machine displays the RECEIVING DATA on the LCD and prints out the margin check pattern see page 8 32 for a sample printout 6 ...

Page 238: ...ft 10 Right 13 In this example press 1 0 Menu Set 1 3 and Menu Set keys 10 Upon completion of the entry the machine automatically returns to the initial stage of the maintenance mode Go back to step 5 and print out the margin check pattern again 11 Measure the left and right margins on the printout If both margins are within the range from 0 9 to 1 1 mm the adjustment is completed TIP To reset the...

Page 239: ...8 32 Confidential Margin Check Pattern ...

Page 240: ...e machine with the new one If the old part may be used in future store the old property label also with the old part n Operating Procedure 1 Press the 6 and 8 keys in this order in the initial stage of the maintenance mode 2 Press the 2 5 8 and 0 keys in this order The current property data stored in the EEPROM appears on the LCD and the machine is ready for entry 3 Check the property label that c...

Page 241: ... If you perform this aging procedure with the top cover opened the machine will slowly age the head carriage unit resulting in an error after completion of the aging n Operating Procedure 1 Press the 6 and 9 keys in this order in the initial stage of the maintenance mode The machine starts aging the head carriage unit showing the CR AGING on the LCD In each of travel speeds 40 33 3 32 0 and 20 the...

Page 242: ...stomizing code e g 0001 in the case of MFC3340CN U S A model appears 2 Enter the desired customizing code e g 0002 in the case of MFC3340CN Canadian model To enter letters A through F press the 1 through 6 keys while holding down the key respectively The newly entered code appears NOTE If a wrong 4 digit code is entered the machine will malfunction 3 Press the Black Start Mono Start key The machin...

Page 243: ...he purge types and their details are described on the next page n Operating Procedure 1 Press the 7 and 6 keys in this order in the initial stage of the maintenance mode The machine displays the CLEANING ALL on the LCD and enters the purge mode 2 Press the or key to select all colors black magenta cyan or yellow Any color choice performs all color purge 3 Select the purge type according to the tab...

Page 244: ...int head with fresh ink Black 3 63 cc Color 2 61 cc Black 187 Color 420 4 key Reset purge This purge operation removes any bubbles that have accumulated in the ink supply tubes Black 0 55 cc Color 0 4 cc Black 28 Color 63 5 key Engine setup purge This purge operation refills the ink supply tubes with ink when there is no ink in those tubes Black 3 93 cc Color 2 76 cc Black 202 Color 443 6 key Cart...

Page 245: ...he key four times to enter the maintenance mode TIP Models equipped with numerical keypads can enter the maintenance mode in the same way as conventional models that is by pressing the Menu Set 2 8 6 and 4 keys in this sequence 2 Press the 8 and 0 keys in this order in the initial stage of the maintenance mode to call up the machine s log information Function code 80 Refer to Chapter 8 Section 8 5...

Page 246: ...nt page count indicating how many pages the machine has been printed as an output device of the connected PC 21st Color copy page count indicating how many copies in color have been made 22nd Black copy page count indicating how many copies in monochrome have been made 23rd Media card print page count indicating how many pages have been printed from the media card data 24th FAX page count indicati...

Page 247: ...ssion to the telephone line It allows the service personnel to receive the transmission log of the user s machine at a remote location and use it for analyzing problems arising in the user s machine n Operating Procedure 1 If the user s machine has a transmission related problem call the user s machine at a remote location from your machine 2 If the line is connected have the user perform the foll...

Page 248: ... 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 n Operating Procedure 1 When the PIN TX LOCK is displayed on the LCD press the Menu Set and keys at the same time Within two seconds start to press the 2 7 9 0 and 0 keys The Pin TX lock mode will be canceled and the machine ...

Page 249: ...Confidential CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING ...

Page 250: ...rors 9 1 1 Error messages appearing on the LCD 9 1 2 Error codes contained in MACHINE ERROR X X messages 9 4 9 1 2 Communications Errors 9 18 9 2 TROUBLESHOOTING 9 25 9 2 1 Introduction 9 25 9 2 2 Precautions 9 25 9 2 3 Checking prior to Troubleshooting 9 25 9 2 4 Troubleshooting based on problem type 9 27 1 Control panel problems 9 27 2 Telephone problems 9 27 3 Communications problems 9 28 4 Pap...

Page 251: ... 40 1 ADF mechanism 9 40 2 Scanner mechanism 9 41 3 Head carriage unit drive and purge mechanisms 9 42 4 Print head mechanism 9 43 5 ASF mechanism 9 44 6 Paper feeding mechanism 9 44 7 Speaker 9 44 8 Control panel 9 45 9 PCBs 9 45 10 Adjustments data in the memories 9 46 ...

Page 252: ...d the communications list 9 1 1 Equipment Errors If an equipment error occurs the machine emits an audible alarm continuous beeping for approximately 4 seconds and shows the error message on the LCD For the error messages see 1 below To display detailed error information use maintenance mode function code 82 described in Chapter 8 Section 8 5 20 that is make the machine enter the maintenance mode ...

Page 253: ...9 2 Confidential ...

Page 254: ...9 3 Confidential ...

Page 255: ...idge is not set into place 26 Black ink 27 Yellow ink 28 Cyan ink 29 Magenta ink Reload ink cartridges referring to the Owner s Manual Ink cartridge PCB defective Replace the ink refill ASSY 26 27 28 29 Cannot detect ink cartridges Main PCB defective Replace the main PCB 2A 2F Not used Any obstacles on the travel path of the head carriage unit Clean the CR guide rail and CR support chassis Carriag...

Page 256: ...eplace the main PCB Head property parameters incorrect in the EEPROM Enter the correct parameter values Head carriage unit broken Replace the head carriage unit Head flat cables and carriage head flat cable not connected correctly Correct those flat cables 44 The temperature of the print head driver has risen abnormally The head driver chip temperature sensor in the COF detects abnormally high tem...

Page 257: ...thly clean it Ink cartridge purge switch harness not connected correctly Correct the connection Purge cam switch broken Replace the purge cam switch Gear s on the maintenance unit broken Replace the maintenance unit Paper feed motor broken Replace the paper feed motor 50 51 The purge cam switch does not come ON or OFF even after the purge cam has been driven by the specified number of pulses Main ...

Page 258: ...he home position capping position Power supply PCB defective Replace the power supply PCB 58 59 Not used 5A The purge cam stops abnormally when it is in operation 5B The pump stops abnormally during air ventilation 5C The pump stops abnormally during purging operation Purge cam gear broken Abnormal load applied to the purge cam PF encoder disk being in contact with the upper cover and deformed PF ...

Page 259: ...eplace the head carriage unit No head property data has been entered Enter the head property data 7E No head parameters stored in the EEPROM This code may appear only in the maintenance mode Main PCB defective Replace the main PCB 7F Print engine error Not used Paper smaller than the specified size loaded in the paper tray Load the correct size of paper Platen stained Clean the platen Paper width ...

Page 260: ...rrectly in the paper tray Reload paper Head flat cable connection failure Insert the head flat cables correctly Paper width sensor defective Replace the carriage PCB ASSY 82 Recording paper jam in paper pull in operation The paper width sensor fails to detect the leading edge of paper Main PCB defective Replace the main PCB Paper is not correctly set in the paper tray Reload paper Separation pad d...

Page 261: ...roken Replace the PF sensor PCB 84 Recording paper jam The registration sensor stays ON after completion of paper ejection operation Main PCB defective Replace the main PCB 85 86 Not used Abnormal load applied to the paper feed roller Check the PF roller gear and its related gears PF encoder disk stained or scratched Replace the PF encoder disk PF encoder sensor defective Replace the PF sensor PCB...

Page 262: ...s from the paper tray Paper pull in roller holder defective Replace the paper pull in roller holder Purge lever at the right end of the paper feed roller shaft not slid smoothly Clean the purge lever Any one of the gears at the both side of the paper feed roller shaft are damaged Replace the paper feed roller ASSY with a normal part Paper feed motor broken Replace the paper feed motor ASSY 88 Reco...

Page 263: ...he PF related gear s PF encoder disk stained or scratched Replace the PF encoder disk PF encoder sensor defective Replace the PF sensor PCB Paper feed motor defective Replace the paper feed motor 8B The paper feed motor stops suddenly Main PCB defective Replace the main PCB 8C Not used PF encoder disk stained or scratched Replace the PF encoder disk PF encoder disk dislocated Replace the PF encode...

Page 264: ...ace A1 Top cover opened Control panel PCB defective Replace the control panel PCB Document jam Remove the jammed document Document rear sensor actuator caught on the surrounding parts Correct the surrounding parts on which the actuator caught A2 Document length exceeding the scan limitation During scanning 90 cm or longer of a document is detected During document feeding or ejecting 400 cm or long...

Page 265: ...ace the CIS unit or document pressure bar A6 FAX scanning failure retry Main PCB defective Replace the main PCB A7 Mismatch between the CIS type and ROM data Not used The improper CIS type installed at repair Correct the ROM data A8 AB Not used CIS defective Replace the CIS unit AC Less than 50 faulty of white level data Not used Main PCB defective Replace the main PCB AD AE Not used AF CIS positi...

Page 266: ...pressure bar stained Replace the document pressure bar B5 Horizontal scanning edge reduction detection error in scanning area setting Not used B6 Horizontal scanning edge enlargement detection error in scanning area setting Not used B7 A D converter reference voltage error at High level Not used Main PCB defective Replace the main PCB B8 A D converter reference voltage error at Low level Not used ...

Page 267: ...e the document pressure bar BF CF Not used D Modem error Main PCB defective Replace the main PCB E0 E3 Not used The paper tray cannot feed paper Replace the paper tray Registration sensor actuator unhooked Set the registration sensor actuator into place Main PCB defective Replace the main PCB E4 Out of recording paper Not used Clutch gear not switched between the idle gear L and purge gear Check t...

Page 268: ...efective Replace the main PCB EF F2 Not used F3 F5 Internal software error Main PCB defective Replace the main PCB F4 Not used F6 PC interface error Main PCB defective Replace the main PCB Main PCB defective Replace the main PCB F7 Media module connection error The media module cover is deformed or warped Replace the media module cover F8 Battery harness connection failure Battery harness not inse...

Page 269: ...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 ...

Page 270: ...e detected after dialing 17 07 No response from the calling station in receiving Available in German models only 2 Command reception Code 1 Code 2 Causes 20 01 Unable to detect a flag field 20 02 Carrier was OFF for 200 ms or longer 20 03 Abort detected 1 in succession for 7 bits or more 20 04 Overrun detected 20 05 A frame for 3 seconds or more received 20 06 CRC error in answerback 20 07 Error c...

Page 271: ...tion or its password switch OFF 32 11 Remote terminal not equipped with or not ready for confidential mailbox function 32 12 Remote terminal not equipped with or not ready for relay broadcasting function 32 13 No confidential mail in the remote terminal 32 14 The available memory space of the remote terminal is less than that required for reception of the confidential or relay broad casting instru...

Page 272: ...led while not ready 40 07 No document to send when polled 40 10 Nation code or manufacturer code not coincident 40 13 Polled by any other manufacturers terminal while waiting for secure polling 40 17 Invalid resolution selected 40 20 Invalid full color mode requested 5 Command reception checking the NSF and DIS after transmission of NSS and DCS Code 1 Code 2 Causes 50 01 Vertical resolution capabi...

Page 273: ...01 Password plus lower 4 digits of telephone number not coincident 63 02 Password not coincident 63 03 Polling ID not coincident 7 DCN reception Code 1 Code 2 Causes 74 DCN received 8 TCF transmission reception Code 1 Code 2 Causes 80 01 Fallback impossible ...

Page 274: ...er full during operation except receiving into memory A0 13 Decoding error continued on 500 lines A0 14 Decoding error continued for 10 seconds A0 15 Time out 13 seconds or more for one line transmission A0 16 RTC not found and carrier OFF signal detected for 6 seconds A0 17 RTC found but no command detected for 60 seconds AA 18 Receive buffer full during receiving into memory A0 19 No video data ...

Page 275: ...mission canceled due to a scanning error caused by no document or document feed problem in ADF scanning in real time transmission Establishment of FAX communication FAX communication is established when the calling station receives a DIS reception capability signal from the called station and the called station receives an NSS or DCS communications test signal from the calling station 12 Maintenan...

Page 276: ...re handling the PCBs touch a metal portion of the machine to discharge static electricity charged in your body l When repairing the PCBs handle them with extra care After repairing the defective section be sure to check again if the repaired section works correctly Also record the troubleshooting procedure so that it would be of use for future trouble occurrence 9 2 3 Checking prior to Troubleshoo...

Page 277: ... paper is not dampened Ink cartridges 1 Check that all of four ink cartridges are loaded Head carriage unit 1 Check that the carriage head flat cable is connected to the carriage PCB 2 Repeat the head purging operation several times 3 Clean the print surface of the head carriage unit Refer to the User s Guide ...

Page 278: ...ess Control panel PCB Rubber keypad Main PCB 2 Telephone problems Problem Check 1 No phone call can be made Rubber keypad Control panel PCB Main PCB MJ PCB 2 Speed dialing will not work Ordinary dialing function other than the speed and one touch dialing If it works normally check the main PCB if not refer to item 1 above 3 Dial does not switch between tone and pulse Main PCB 4 Telephone does not ...

Page 279: ...ction 8 5 7 Document front sensor actuator Main PCB 2 Document not fed ADF parts and its related sections Scanner motor and its harness Document feed roller and its related gears Main PCB 3 Document double feeding ADF parts 4 Document jam Scanner motor Document rear sensor actuator Main PCB 5 Recording paper not fed PF related gears Main PCB Paper feed motor Paper tray 6 Recording paper jam Paper ...

Page 280: ...of Defective Images Completely blank All black Random color Light Dark Straight vertical stripes Blurred vertical stripes White vertical streaks Ink splash Ink splash Print edges not aligned Random missing dots White horizontal streaks Stained leading edge of recording paper Overlapping lines over the whole page Separated lines over the whole page Overlapping lines at the trailing edge of the reco...

Page 281: ...e them Check the connection of the head flat cables on the main PCB If either of those cables is broken or damaged replace it Replace the main PCB Clean the head caps and wiper of the maintenance unit with a Rubycel stick For the cleaning procedure refer to Chapter 7 Section 7 1 CLEANING THE MAINTENANCE UNIT Replace the maintenance unit Check that the drain tubes are not bent 3 All black At the sc...

Page 282: ... operation several times to remove dust or air bubbles from its nozzles If the problem persists replace the head carriage unit Check the following components Ink cartridges Head carriage unit Main PCB Power supply PCB Head property info to be installed to the main PCB from the connected PC Refer to Chapter 8 Section 8 5 15 Maintenance unit 6 Straight or blurred vertical stripes Scanner Check the f...

Page 283: ...ns or scratches If the CR encoder strip is not hooked properly correct it Correct the positioning error of the head carriage unit Refer to Chapter 6 Section 6 2 4 9 Random missing dots Printer Perform the head purging operation several times to remove dust or air bubbles from its nozzles Check the ink cartridges If any cartridges have run out of ink replace them Check that the carriage head flat c...

Page 284: ...g paper Printer Press the Ink button to perform a head cleaning operation Check that the head carriage unit is set into place 12 Overlapping or separated lines over the whole page Adjust the paper feeding correction value of the paper feed roller Refer to Chapter 6 Section 6 2 5 13 Overlapping or separated lines at the trailing edge of the recording paper Adjust the paper feeding correction value ...

Page 285: ...the cutout corner leading and facing up Insert a Compact Flash card with the label side facing towards the left Memory cards Formatted Any data in the media Images stored in the media are in EXIF2 0 compliant JPEG file format having extension JPG Media PCB Media flat cables Main PCB 2 More than one media card cannot be recognized The machine can recognize only a single media card at a time even if...

Page 286: ...tial 8 Others Trouble Action to be taken 1 When the power is turned on when the power cord is plugged into an outlet the scanner makes a grating noise Check the following components CIS flat cable Top cover Main PCB ...

Page 287: ...he machine was used Paper with labels attached for example may leave labels inside the machine For foreign materials Fragments of paper that were left behind when previous paper jams occurred Foreign materials such as tacks have found their way into the machine Foreign materials can hinder the paper feed Problems due to machine malfunction Check Possible causes Problems that may result Star wheels...

Page 288: ...es caused by lightning damaged electronic devices on the power supply PCB The head drive voltage will be too low to drive the print head Main PCB Voltage detection circuit defective The head drive voltage becomes too high or low 3 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 i...

Page 289: ...t will not work CIS unit The CIS unit is weak in identifying colors The quality of print colors in copying operation will be low 4 Auto document feeder ADF malfunction 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 on the top cover The document guides are n...

Page 290: ...ents will stop halfway through feeding ADF The ADF parts are deformed or worn Two or more sheets of documents will be fed through at once Pressure roller The pressure roller is dislocated or warped Documents will not be able to be drawn in Document rear sensor The document rear sensor is defective The document rear sensor actuator is deformed Documents will stop halfway through feeding or the mach...

Page 291: ... A3 Scanner motor Document will not be able to be fed Document feed roller Documents will jam Documents will skew Documents will not be able to be fed A2 A3 Separation rubber Two or more sheets of documents will be fed at once Document front sensor actuator Document draw in operation will not start even though documents have been set A3 Document rear sensor actuator Document draw in operation will...

Page 292: ...rk level offset data level error for scanning Gain control data level error for scanning Scan area right left edge detection error Horizontal scanning edge reduction enlargement detection error in scanning area setting White black level data error Scan starting edge detection error B9 BB BD CIS flat cable Any of the following images may appear on the printout of sent copied or scanned data Scanner...

Page 293: ... image may appear on the printout of sent copied or scanned data 30 31 32 33 CR encoder strip The head carriage unit will not be able to travel normally Any of the following images may appear on the printout of sent copied or scanned data 30 31 32 33 Ink cartridge PCB The INK EMPTY XXX message will appear even though there is ink Even though the ink has run out the INK EMPTY XXX message will not a...

Page 294: ...ent copied or scanned data Purge pump The purge pump will not draw out ink from the head nozzles Purge cam switch The purge cam switch will not detect the purge cam ON OFF timing 50 51 52 4 Print head mechanism Defective component Result Error codes Head carriage unit Any of the following images may appear on the printout of sent copied or scanned data ...

Page 295: ...odes Paper feed roller Paper ejection roller Any of the following images may appear on the printout of sent copied or scanned data PF encoder disk PF encoder sensor The following image may appear on the printout of sent copied or scanned data VWXYZ 7 Speaker Defective component Result Error codes Speaker No key clicks will be heard Abnormal noises will be heard from the machine The telephone will ...

Page 296: ...ing will not be possible The machine will not be able to be turned on Any of the following images may appear on the printout of sent copied or scanned data The telephone will not ring No tone will be detected The machine will not be able to switch to the external telephone MJ PCB No faxes will be able to be sent No phone calls will be able to be made The telephone will not ring No tone will be det...

Page 297: ...EPROM The print quality will deteriorate Chapter 6 Section 6 2 2 Chapter 8 Section 8 5 15 Correction of head positioning error Any of the following images may appear on the printout of sent copied or scanned data Chapter 6 Section 6 2 4 Updating of the paper feeding correction value for the paper feed roller paper ejection roller Any of the following images may appear on the printout of sent copie...

Page 298: ...ustment data setting not performed Result Refer to Error codes Alignment of vertical print lines The following image may appear on the printout of sent copied or scanned data Chapter 6 Section 6 2 6 Chapter 8 Section 8 5 13 ...

Page 299: ... MFC3340CN 3240C FAX1940CN 1840C 1835C Appendix 1 Serial Numbering System This appendix shows the location of serial number labels put on some parts and lists the coding information pertaining to the serial numbers ...

Page 300: ...r label This section lists the coding information for those serial numbers and property codes 1 Serial number label for the machine itself Product item code Serial number 6 digit Production year Example 4 2004 5 2005 Production month A B C D E F G H J K L M July August September October November December Serial number Barcode Factory January February March April May June Location Serial number lab...

Page 301: ...d carriage unit Head property code Serial number 6 digit Production lot number Production year Example 4 2004 5 2005 Production month A B C D E F G H J K L M July August September October November December January February March April May June Location Head property label ...

Page 302: ...ridges Line ID code Product code Production year Example 04 2004 05 2005 Production month A B C D E F G H J K L M July August September October November December Barcode January February March April May June Production date Example 11 11th 20 20th Location ...

Page 303: ...tallation This appendix provides instructions on how to update firmware stored in the flash ROM on the main PCB or load firmware to a new main PCB from the host PC No hardware replacement is required for updating A2 1 Loading the Update Programs Data to the Flash ROM App 2 1 ...

Page 304: ...ented by driver software If you connect any number of machines to your PC therefore the same number of virtual USB devices will be automatically configured on your PC To prevent virtual USB devices from being configured limitlessly use the unique driver installation procedure described below that enables your PC to identify terminals via a single virtual USB device NOTE Once this installation proc...

Page 305: ...ollowing screen appears indicating the detection of new hardware device by the system Click Next to proceed 7 Select Search for a suitable driver for my device recommended and click Next 8 Select Specify a location and click Next ...

Page 306: ... Select the folder where the copy of the BHL2 Maintenance Printer driver is located or click Browse to specify it then click OK This sample screen is captured on the Windows 2000 desktop 10 Click Next 11 To proceed click Yes ...

Page 307: ...n of the driver installation if the machine exits the maintenance mode the Found New Hardware Wizard screen in step 6 appears again Click Cancel NOTE To check that the printer driver is successfully installed click Start Settings Printers to call up the Printers window as shown below and confirm that the Brother BHL2 Maintenance Printer icon is displayed ...

Page 308: ...rinter icon in the Filedrgs window shown above NOTE Use a firmware file after extracting It is a self extracting file having the extension exe Double click the exe file to extract it NOTE New main PCB doesn t accept the file having the extension upd When loading operation starts the machine beeps intermittently After approx 2 to 5 minutes the loading operation is complete and the machine automatic...

Page 309: ...drgs window shown above NOTE Use a firmware file after extracting It is a self extracting file having the extension exe Double click the exe file to extract it NOTE If the main PCB isn t new or blank use the file having the extension upd It prevents from writing the wrong program which the PCB doesn t accept When loading operation starts the machine beeps intermittently After approx 2 to 5 minutes...

Page 310: ...ely designed for each destination e g language Those codes are stored in the memory EEPROM mounted on the main PCB If the main PCB is replaced therefore you need to set up the proper customizing code with the machine in the maintenance mode Note Customizing codes customize firmware for individual models enabling the common firmware to be used for various models They come with the firmware data pro...

Page 311: ...in the initial stage of the maintenance mode The current customizing code appears e g 0001 in the case of MFC3340CN U S A model 3 Enter the desired customizing code e g 0002 in the case of MFC3340CN Canadian model The newly entered code appears NOTE If a wrong 4 digit code is entered the machine will malfunction 4 Press the Black Start Mono Start key The machine saves the setting and returns to th...

Page 312: ... the firmware switches which can be divided into two groups one is for customizing preferences designed for the shipping destination as described in Appendix 3 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 313: ...3 Communications setting App 4 26 WSW24 TAD setting 2 App 4 27 WSW25 TAD setting 3 App 4 28 WSW26 Function setting 4 App 4 29 WSW27 Function setting 5 App 4 30 WSW28 Function setting 6 App 4 31 WSW29 Function setting 7 App 4 32 WSW30 Function setting 8 App 4 33 WSW31 Function setting 9 App 4 34 WSW32 Function setting 10 App 4 35 WSW33 Function setting 11 App 4 36 WSW34 Function setting 12 App 4 37...

Page 314: ...aling mode pulse DP or tone PB dialing 0 PB 1 DP l Selectors 1 and 2 Dial pulse generation mode These selectors set the number of pulses to be generated in pulse dialing N Dialing N generates N pulses Dialing 0 generates 10 pulses N 1 Dialing N generates N 1 pulses 10 N Dialing N generates 10 N pulses l Selectors 3 and 4 Break time length in pulse dialing These selectors set the break time length ...

Page 315: ...ssion time length No 1 2 0 0 70 ms 0 1 80 ms 1 0 90 ms 1 1 100 ms 3 4 Min pause in tone dialing No 3 4 0 0 70 ms 0 1 80 ms 1 0 90 ms 1 1 140 ms 5 8 Attenuator for pseudo ring backtone to the line selectable in the range of 0 15 dB in 1 dB increments 0 0 dB 1 8 dB 0 0 dB 1 4 dB 0 0 dB 1 2 dB 0 0 dB 1 1 dB l Selectors 1 through 4 Tone signal transmission time length and Min pause in tone dialing The...

Page 316: ... 2 through 4 6 and 7 are not applicable where no PABX is installed l Selectors 1 and 5 CNG detection when sharing a modular wall socket with a telephone These selectors determine whether or not the machine detects a CNG signal when a line is connected to a telephone sharing a modular wall socket with the machine Upon detection of CNG signals by the number of cycles specified by these selectors the...

Page 317: ... 2 3 0 0 350 and 440 Hz A 0 1 440 and 480 Hz B 1 0 1 1 4 Dual tone detection sensitivity in ICM recording 0 Normal 1 High 5 6 Earth time length for earth function No 5 6 0 0 200 ms 0 1 300 ms 1 0 500 ms 1 1 700 ms 7 8 Break time length for flash function No 7 8 0 0 80 ms 0 1 110 ms 1 0 250 ms 1 1 500 ms NOTE Selectors 1 and 5 through 8 are not applicable in those countries where no transfer facili...

Page 318: ...ction is selected for the Speed Dial key by using the function switch WSW05 1st dial tone and busy tone detection Selector No Function Setting and Specifications 1 3 1st dial tone detection No 1 2 3 0 0 0 3 5 sec WAIT 0 0 1 7 0 sec WAIT 0 1 0 10 5 sec WAIT 0 1 1 14 0 sec WAIT 1 0 0 17 5 sec WAIT 1 0 1 21 0 sec WAIT 1 1 0 24 5 sec WAIT 1 1 1 Detection Without WAIT 4 Max pause time allowable for rem...

Page 319: ...D code detection This selector sets the maximum pause time allowable for detecting the second digit of a remote ID code after detection of the first digit in remote reception If selector 4 is set to 0 2 seconds for instance only a remote ID code whose second digit is detected within 2 seconds after detection of the first digit will become effective so as to activate the remote function l Selectors...

Page 320: ... dialing DP system 1 0 1 2nd dial tone detection 1 1 1 both in DP and push button PB dialing system 4 6 Detection of international tone No 4 5 6 0 0 0 50 ms 0 0 1 210 ms 0 1 0 500 ms 0 1 1 800 ms 1 0 0 900 ms 1 0 1 1 5 sec 1 1 0 2 0 sec 1 1 1 2 5 sec 7 No of 2nd dial tone detection cycles 0 1 cycle 1 2 cycles 8 Allowable instantaneous interrupt during reception of 2nd dial tone 0 30 ms 1 50 ms NOT...

Page 321: ...econds When these selectors are set to 1 1 1 If you press the Pause key the machine will first wait for the 2nd dial tone to be sent via the communications line regardless of pulse dialing or tone dialing After that pressing the Pause key will cause the machine to insert a WAIT of 3 5 seconds In those countries where no dial tone detection function is supported setting these selectors to 1 0 1 1 1...

Page 322: ...is supported e g U S A NOTE Selector 3 is not applicable to those models having no loop current detection function l Selectors 1 and 2 Dial tone frequency band control These selectors set the frequency band for the 1st dial tone and busy tone before dialing to be detected This setting is effective only when selectors 1 through 3 of WSW05 are set to 1 1 1 l Selector 3 Line current detection Not use...

Page 323: ... 33 dBm 1 0 1 36 dBm 1 1 0 39 dBm 1 1 1 42 dBm NOTE The WSW08 is not applicable in those countries where no dial tone detection is supported e g U S A l Selectors 1 through 3 1st dial tone detection time length Upon detection of the 1st dial tone for the time length set by these selectors the machine starts dialing This setting is effective only when selectors 1 through 3 of WSW05 are set to 1 1 1...

Page 324: ...he error correction mode ECM is a facsimile transmission manner in which the machine divides a message into frames for transmission so that if any data error occurs on the transmission line the machine retransmits only those frames containing the error data l Selector 2 Use of non standard commands If this selector is set to 0 the machine can use non standard commands the machine s native mode com...

Page 325: ... digit to CML ON This selector sets the time length from when the machine transmits the last dial digit until the CML relay comes on l Selector 3 Time length from CML ON to CNG transmission This selector sets the time length until the machine transmits a CNG after it turns on the CML relay l Selector 4 Time length from CML ON to CED transmission This selector sets the time length until the machine...

Page 326: ...ot applicable in those countries where no busy tone detection is supported NOTE The setting of WSW11 is effective only when selectors 5 and 6 of WSW05 are set to 0 1 or 1 1 Busy tone detection l Selectors 1 and 2 Busy tone frequency band control These selectors set the frequency band for busy tone to be detected l Selectors 3 through 8 ON OFF time length ranges for busy tone These selectors set th...

Page 327: ...x detection period for incoming calling signal CI being OFF If the machine detects the OFF state of a CI signal for the period greater than the value set by selectors 1 and 2 and less than the value set by selectors 3 and 4 it interprets the CI signal as OFF l Selectors 5 and 6 Min detection period required for acknowledging incoming calling signal CI as ON These selectors set the period required ...

Page 328: ...hese selectors according to the distance from the telephone switchboard to the machine l Selectors 3 and 4 Reception level These selectors set the optimum receive signal level l Selectors 5 through 8 Modem attenuator These selectors are used to adjust the transmitting level attenuation of the modem when the reception level at the remote station is improper due to line loss This function applies fo...

Page 329: ...1 0 0 0 2 to 3 times 1 0 0 1 2 to 4 times 1 0 1 0 2 to 5 times 1 0 1 1 2 to 6 times 1 1 0 0 1 to 10 times 1 1 0 1 2 to 10 times 1 1 1 0 3 to 5 times 1 1 1 1 4 to 10 times l Selectors 1 through 4 Frequency band selection for incoming calling signal CI These selectors are used to select the frequency band of CI for activating the AUTO ANS facility In the French models if the user sets the PBX to OFF...

Page 330: ...RP option 0 Disable 1 Enable l Selectors 1 through 6 Redial interval and No of redialings The machine redials by the number of times set by selectors 3 through 6 at intervals set by selectors 1 and 2 l Selector 8 CRP option If a command error occurs in the machine calling station the machine usually waits for three seconds and then makes a retry three times This CRP option is a request command tha...

Page 331: ...2 ITU T CCITT superfine recommendation If this selector is set to 1 the machine communicates in ITU T CCITT recommended superfine mode 15 4 lines mm If it is set to 0 it communicates in native superfine mode l Selector 7 Max document length limitation This selector is used to select the maximum length of a document to be sent l Selector 8 Stop key pressed during reception If this selector is set t...

Page 332: ...These selectors activate or deactivate the alarm function which sounds an alarm when the communication is completed with the handset being off the hook l Selector 5 Calendar clock type If this selector is set to 0 USA the MM DD YY hh mm format applies if it is set to 1 Europe the DD MM YY hh mm format applies DD is the day MM is the month YY is the last two digits of the year hh is the hour and mm...

Page 333: ...led stations l Selectors 2 and 3 Detection enabled time for CNG and no tone After the line is connected via the external telephone or by picking up the handset of the machine the machine can detect a CNG signal or no tone for the time length specified by these selectors The setting specified by these selectors becomes effective only when selector 8 of WSW20 is set to 1 l Selector 6 Registration of...

Page 334: ...ge With the first transmission speed choice specified by selectors 1 through 3 the machine attempts to establish the transmission link via the MODEM If the establishment fails the machine automatically steps down to the next lowest speed and attempts to establish the transmission link again The machine repeats this sequence while stepping down the transmission speed to the last choice specified by...

Page 335: ...by this selector takes effect only when the Overseas Mode is set to ON l Selectors 2 and 3 Overseas communications mode These selectors should be used if the machine malfunctions in overseas communications According to the communications error state select the signal specifications Setting selector 2 to 1 allows the machine to use 1100 Hz CED signal instead of 2100 Hz in receiving operation This p...

Page 336: ... after the message transfer 0 Yes 1 No NOTE Selectors 1 through 5 are applicable to models equipped with ICM recorders NOTE Selectors 6 and 7 are applicable to models with internal TADs NOTE Selector 8 is applicable to models equipped with TADs l Selectors 1 through 5 Max waiting time for voice signal In the TAD mode the machine waits for voice signal for the time length specified by these selecto...

Page 337: ...gh 8 are applicable to the Chinese Taiwanese and Asian models only l Selector 3 Call Waiting Caller ID Setting this selector to 0 allows the user to decide whether or not to interrupt the current call when a new call comes in If Call Waiting Caller ID service is available in the area and the user subscribes to it he she can see information about his her incoming call on the LCD l Selectors 5 throu...

Page 338: ... detected If it is set to 1 the called station starts counting zeros upon detection of 10 ms successive zeros 50 ms after the head of a series of zeros is detected In this case if the detection of 10 ms successive zeros is too late the data counting period will become less than 1 0 second making the called station judge the line condition unacceptable l Selectors 2 and 3 Allowable training error r...

Page 339: ... 2 Maximum OGM recording time These selectors set the allowable maximum recording time for an OGM l Selectors 3 and 4 Time length from CML ON to start of pseudo ring backtone transmission These selectors set the length of time from CML ON up to the start of pseudo ring backtone transmission In models with OGM facilities the settings made by these selectors also apply to the length of time from CML...

Page 340: ...c 0 0 1 4 sec 0 1 0 6 sec 0 1 1 8 sec 1 0 0 10 sec 1 0 1 12 sec 1 1 0 14 sec 1 1 1 16 sec 8 Not used NOTE Selectors 5 through 7 are applicable to the U S A models only l Selectors 5 through 7 Pause between paging number and PIN These selectors set the pause time between a telephone number being paged and PIN personal identification number for the paging feature ...

Page 341: ...mplete and then starts dialing This enables the machine to list the total number of pages in the header of the facsimile message l Selectors 4 and 5 No of CNG cycles to be detected when the line is connected via the external telephone except in the external TAD mode or via the built in telephone The machine interprets a CNG as an effective signal if it detects the CNG by the number of cycles speci...

Page 342: ...istinctive ringing pattern Not used If this selector is set to 1 the machine detects only the number of rings if it is set to 0 the machine detects the number of rings and the ringing time length to compare the detected ringing pattern with the registered distinctive one l Selector 6 Recording quality This selector determines the recording quality for the OGM and ICM Selecting 1 High increases the...

Page 343: ... dB 1 0 0 0 dB 1 0 1 1 dB 1 1 0 2 dB 1 1 1 3 dB 4 6 Transmission level of DTMF low band frequency signal No 4 5 6 0 0 0 0 dB 0 0 1 1 dB 0 1 0 2 dB 0 1 1 3 dB 1 0 0 0 dB 1 0 1 1 dB 1 1 0 2 dB 1 1 1 3 dB 7 8 Not used l Selectors 1 through 6 Transmission level of DTMF high low band frequency signal These selectors are intended for the manufacturer who tests the machine for the Standard Never access t...

Page 344: ...trol in pulse dialing 0 OFF 1 ON 8 Prompt beep when the memory area for the activity report becomes full 0 No 1 Yes NOTE Selectors 1 through 6 are applicable to models equipped with built in TADs NOTE Selectors 7 and 8 are applicable only to the European versions l Selectors 1 through 6 Compression threshold level for voice signals inputted via the telephone line in the built in TAD operation If v...

Page 345: ...ot used NOTE Selectors 1 through 3 are applicable to models equipped with internal TADs l Selectors 1 through 3 Dial tone busy tone detection level during recording of ICM Not used If the machine called station detects dial tone 400 Hz continuously or busy tone 400 Hz intermittently exceeding the detection level specified by these selectors for the period specified by selectors 1 through 4 of WSW3...

Page 346: ...at full size 100 without reduction if it is set to 1 the machine records it at 70 size l Selector 5 Minimum ON and OFF duration of ringer signals effective in distinctive ringing The ringer pattern consists of short and long rings e g short short long rings This selector sets the minimum ON and OFF duration of ringer signals that are required for the machine to interpret ringer signals as being ON...

Page 347: ... Photo 7 8 Default contrast No 7 8 0 X Automatic 1 0 Super light 1 1 Super dark l Selectors 5 and 6 Default resolution These selectors set the default resolution which applies when the machine is turned on or completes a transaction l Selectors 7 and 8 Default contrast These selectors set the default contrast which applies when the machine is turned on or completes a transaction ...

Page 348: ...ring recording of ICM If the tone level during recording of ICM is less than the threshold setting made by these selectors the tone is interpreted as no tone When the no tone state is kept for the period specified by selectors 1 through 5 of WSW21 the machine disconnects the line l Selectors 4 and 5 FAX receiving speed to be kept within the transmission speed limit to the PC To transmit FAX data b...

Page 349: ...ceding the tone detection starting point in the case of automatic line disconnection due to no voice signal received If the machine has disconnected the line after detection of disconnection tone in ICM recording it erases tone recorded preceding the tone detection starting point for the time length set by these selectors l Selectors 4 and 5 No of CNG cycles to be detected when the line is connect...

Page 350: ...sec 0 1 0 0 4 sec 1 1 1 1 15 sec 5 8 Not used NOTE Selectors 1 through 4 are applicable to models equipped with internal TADs l Selectors 1 through 4 Max detection period of dial tone busy tone during recording of ICM If the machine called station detects dial tone or busy tone exceeding the detection level specified by selectors 1 through 3 of WSW30 for the period specified by these selectors the...

Page 351: ...PC Interface Not used If the machine recognizes via the STB signal line that the connected PC is powered off it will turn the PC interface outputs Low to protect the PC from hazards that could be caused by weak electric current accidentally flown from the machine This selector determines whether or not the machine should recover from the inactive PC interface to normal interfacing state upon recei...

Page 352: ...unction Setting and Specifications 1 Printout of the stored image data of an unsent document onto an error report 0 No 1 Yes 2 Erasure of the stored image data of an unsent document at the time of the subsequent in memory message transmission 0 No 1 Yes 3 8 Not used l Selector 1 Printout of the stored image data of an unsent document onto an error report This selector determines whether or not to ...

Page 353: ...g level to be applied if the machine fails to send training due to weak line connection If these selectors are set to 0 X the modem will automatically set the appropriate training level l Selector 3 Sending level of guard tone at phase 2 This selector sets the sending level of guard tone for 1800 Hz to be sent at Phase 2 in the V 34 mode l Selector 4 Stepping down the transmission speed at fallbac...

Page 354: ...s 1 through 8 First and last choices of transmission speed for fallback These selectors are used to set the modem speed range With the first transmission speed choice specified by selectors 1 through 4 the machine attempts to establish the transmission link via the modem If the establishment fails the machine automatically steps down to the next highest speed and attempts to establish the transmis...

Page 355: ...re listed on the next page The setting made by these selectors will limit the setting made by selectors 1 through 4 of WSW39 If selector 3 is set to 1 to mask the 3429 symbols second when the first transmission speed choice is 33600 bps specified by selectors 1 through 4 of WSW39 for example then the allowable maximum transmission speed will be limited to 31200 bps If selector 8 is set to 1 to mas...

Page 356: ...00 2400 3000 4800 3429 4800 4800 7200 7200 7200 9600 9600 9600 12000 12000 12000 14400 14400 14400 16800 16800 16800 19200 19200 19200 21600 21600 21600 24000 24000 2800 4800 26400 28800 7200 28800 31200 9600 3200 4800 33600 12000 7200 14400 9600 16800 12000 19200 14400 21600 16800 24000 19200 26400 21600 24000 26400 28800 31200 ...

Page 357: ...dBm 1 1 1 1 25 dBm l Selectors 1 through 3 ON duration of the scanning light source at room temperature Not used If the scanning operation is started when the scanning light source is off then it will come on for scanning These selectors determine how long the light source is ON after scanning If these selectors are set to 1 1 1 the light source goes off immediately after the scanning sequence l S...

Page 358: ...ce WSW43 Function setting 21 Selector No Function Setting and Specifications 1 Not used 2 3 Wait time for PC Fax reception Class 2 and FPTS command transmission No 2 3 0 0 50 ms 0 1 100 ms 1 0 150 ms 1 1 0 ms 4 5 Detection time of 2100 Hz CED or ANSam No 4 5 0 0 200 ms 0 1 300 ms 1 0 400 ms 1 1 500 ms 6 Not used 7 Automatic start of remote maintenance 0 No 1 Yes 8 JPEG coding 0 Disable 1 Enable l ...

Page 359: ...in 1 1 1 30 min NOTE Selectors 6 through 8 are applicable only to models equipped with ADF units l Selectors 6 through 8 Effective time length of the white level compensation data obtained beforehand Not used If you set documents in the ADF and the document front sensor detects them the controller will make correction of the reference voltage to be applied to white level compensation for document ...

Page 360: ...osition after you set them in the ADF as well as determining whether or not the ADF automatically draws in documents l Selectors 4 through 6 Periodical correction intervals of the reference voltage applied to white level compensation for document scanning during standby Not used These selectors set the correction intervals in seconds of the reference voltage to be applied to white level compensati...

Page 361: ...elector to 0 will keep all parallel output pins of the machine at high level Use this setting if Resource Manager bundled with MFC models installed to WindowsNT running on the connected PC fails to monitor the power ON OFF state of the machine l Selector 4 Previous filtering parameters for white level compensation Not used At the start of scanning operation the machine usually initializes white an...

Page 362: ...are applicable only to models supporting pseudo ringing of a connected external telephone l Selector 1 Handling paper at the occurrence of a paper feed timing error When feeding paper to the print start position the machine might cause a feed timing error so that the registration sensor goes ON signaling the presence of paper This selector determines whether the machine prints on the current paper...

Page 363: ...d Specifications 1 2 Not used 3 End of copying beep 0 Yes 1 No 4 5 Command flag detection time No 4 5 0 0 150 ms 0 1 350 ms 1 0 550 ms 1 1 750 ms 6 7 Not used 8 Print in black 0 No Normal color print 1 Yes l 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 l Selecto...

Page 364: ... 1 11 V 1 0 25 V 1 1 31 V NOTE WSW50 is applicable to models equipped with SDAA circuits l Selectors 5 and 6 Current control to be applied immediately after connection of the line FAX models equipped with an SDAA circuit on which an NTU chip is mounted might not be connected to a broad band line such as an ADSL Asynchronous Digital Subscriber Line in a stable condition If those models fail to conn...

Page 365: ... CR motor control for reducing torque fluctuation When the CR motor runs the motor torque may vary so as to cause the head carriage unit travel velocity to fluctuate affecting the print quality Setting this selector to 0 activates the CR motor control that regulates the motor drive current to reduce torque fluctuation running the CR motor smoothly l Selector 8 Switching from ink near empty to ink ...

Page 366: ...Confidential MFC3340CN 3240C FAX1940CN 1840C 1835C Appendix 5 Wiring Diagram This appendix provides the wiring diagram that helps you understand the connections between PCBs ...

Page 367: ...2 19 18 17 SIN57 SIN46 SIN13 SIN02 VTEMP_CHECK VSS1 CLK PIRE0_3 PIRE0_2 PIRE0_1 PIRE1_3 PIRE1_2 PIRE1_1 CN3 14 11 10 9 8 7 6 5 4 3 2 1 16 15 13 12 17 ENC2 VSS2 VDD2 VSS2 VSS2 VSS2 VDD2 VDD2 VDD2 VSS1 VDD1 CNT5V ENC1 MCNT5V MEDIACNTL MEDIA THM 11 10 9 8 7 6 5 4 3 2 1 16 15 14 13 12 CN1 28 22 21 20 19 18 17 27 26 25 24 23 FG FG COM VDD2 VDD2 VSS2 FIRE1_6 FIRE0_6 FIRE1_5 FIRE1_4 FIRE0_5 FIRE0_4 SIN57...

Page 368: ...endix 6 Circuit Diagrams This appendix provides the circuit diagrams of the MJ PCB and power supply PCB A MJ PCB U S A Canadian and Asian models MJ PCB European models B Power supply PCB U S A and Canadian models Power supply PCB European and Asian models ...

Page 369: ... DRL 0033PF CN5 MJ 62J RD315 3 Ta 4 Tb 7 FG 8 FG C6 C102 KY FG C1 C102 KY C2 C102 KY POL CN2 B2B PH K Y 1 POL 2 S0V S0V POL CN3 B2B PH K K 1 30V 2 EXT SW1 A5X G 24E 1 2 12 11 7 D3 KU10S31N C8 C473 C4 C153 D1 1SS120 C7 C682 C3 C153 JW3 JW2 C5 C474 L2 DL 6503C S0V JW1 D2 1SS120 JW4 L3 0 PH1 TLP629 A K E C to MAIN SDAA to Main PCB to Line to EXT A MJ PCB U S A Canadian and Asian models Confidential ...

Page 370: ...033PF L4 DRL 0033PF CN5 MJ 62J RD315 3 Ta 4 Tb 7 FG 8 FG C6 C102 KY FG C1 C102 KY C2 C102 KY POL CN2 B2B PH K Y 1 POL 2 S0V S0V POL CN3 B2B PH K K 1 30V 2 EXT SW1 A5X G 24E 1 2 12 11 7 D3 KU10S31N C8 C473 C4 C153 D1 1SS120 C7 C682 C3 C153 JW3 JW2 C5 C474 L2 DL 6503C S0V JW1 D2 1SS120 JW4 L3 0 PH1 TLP629 A K E C to MAIN SDAA to Main PCB to Line to EXT A MJ PCB European models Confidential ...

Page 371: ...B Power Supply PCB U S A and Canadian models Confidential ...

Page 372: ...B Power Supply PCB European and Asian models Confidential ...

Page 373: ...e When installing the printer driver the installer logs events that occur during the installation process in the event log file This appendix views a sample of the event log file Selecting Start Program Brother MFL Pro Suite model name Installation Diagnostics reads out the event log file ...

Page 374: ...er driver 00325207 040000 INF Function Data FAXTX FAX sending driver 00325207 040000 INF INIDATA PRT 1 FAXRX FAX receiving software 00325207 040000 INF INIDATA SCN 1 RSP Remote Setup software 00325207 040000 INF INIDATA FAXTX 1 MEDIA Media Drive driver 00325207 040000 INF INIDATA FAXRX 1 00325207 040000 INF INIDATA RSP 1 7 All models indicate 0 because BH3 doesn t check Media Drive 00325217 040000...

Page 375: ...00325497 040000 INF Scanner Driver Check End 00325497 040000 INF FAXTX Driver Check Start 00325497 040000 INF PARAM MODEL NAME PC FAX 25 FAX Tx Driver Installation Check 00325497 040000 INF PARAM CMP PRINTER NAME Brother PC FAX 2 00325497 040000 INF PARAM INTERFACE USB 00325497 040000 INF PARAM PRINTER ID 00325497 040000 INF PARAM MODE 0 00325507 040000 INF EXIST DRIVER NAME Brother PC FAX 2 26 If...

Page 376: ...DEL NAME PC FAX 00328191 040000 INF PARAM CMP PRINTER NAME Brother PC FAX 2 00328191 040000 INF PARAM INTERFACE USB 40 PC FAX Sending Driver Check 00328191 040000 INF PARAM PRINTER ID 7 19FA3ABD 0 USB006 00328191 040000 INF PARAM MODE 1 00328191 040000 INF Fax Port Check Start 00328191 040000 INF FAX PORT CHECK USB006 41 Communication Check to this port 00328191 040000 INF INTERFACE USB 42 Port Ty...

Page 377: ...25 Intel 82371AB EB PCI to ISA bridge ISA mode 00334510 040000 INF USB Chip1 Device26 Intel r 82371AB EB PCI Bus Master IDE Controller 00334510 040000 INF USB Chip2 Device27 Intel 82371AB EB PCI to USB Universal Host Controller 54 USB Chip Information 00334510 040000 INF USB Chip3 Device28 Intel 82443BX Pentium r II Processor to PCI Bridge 00334510 040000 INF USB Chip4 Device29 Intel 82443BX Penti...

Page 378: ...0 INF Process Information End 00341109 040000 INF Startup Information Start 00341109 040000 INF STARTUP Microsoft Office lnk 58 Startup Registration 00341109 040000 INF STARTUP Status Monitor lnk If you failed to install and virus checker was running displace it 00341109 040000 INF Startup Information End 00347739 040000 INF Installation Diagnostics Result Start 59 Installation Diagnostics Result ...

Page 379: ...er 00220787 040000 INF Function Data FAXTX FAX sending driver 00220787 040000 INF INIDATA PRT 1 FAXRX FAX receiving software 00220787 040000 INF INIDATA SCN 1 RSP Remote Setup software 00220787 040000 INF INIDATA FAXTX 1 MEDIA Media Drive driver 00220787 040000 INF INIDATA FAXRX 1 00220787 040000 INF INIDATA RSP 1 7 All models indicate 0 because BH3 doesn t check Media Drive 00220787 040000 INF IN...

Page 380: ...M PRINTER ID 00221158 040000 INF PARAM MODE 0 00221158 040000 INF EXIST DRIVER NAME Brother PC FAX 2 26 If there is EXIST DRIVER NAME PC FAX sending driver is properly installed 00221158 040000 INF PC FAX PORT NAME USB006 00221158 040000 INF FAXTX Driver Check End 00221168 040000 INF FAXRX Check Start 00221168 040000 INF FAXRX FILE CHECK OK 27 FAX Rx File Check 00221168 040000 INF FAXRX Check End ...

Page 381: ...NF Process Information Start 00235429 010000 ERR Process1 00235429 010000 ERR Process2 00235429 010000 ERR Process3 SystemRoot System32 smss exe 00235429 010000 ERR Process4 00235429 010000 ERR Process5 C WINNT system32 winlogon exe 00235429 010000 ERR Process6 C WINNT system32 services exe 00235429 010000 ERR Process7 C WINNT system32 lsass exe 00235429 010000 ERR Process8 C WINNT system32 svchos...

Page 382: ...Installation Failure CANNOT Communicate 00242088 010000 ERR FAXTX_INST OK 67 PC FAX Sending Driver Installation Result 00242088 010000 ERR FAXTX_PORT USB006 68 PC FAX Sending Driver Port 00242088 010000 ERR FAXRX NG Communication 69 PC FAX Receiving Software Installation Failure CANNOT Communicate 00242088 010000 ERR FAXRX_INST OK 70 PC FAX Receiving Software Installation Result 00242088 010000 ER...

Page 383: ... 00622414 040000 INF Function Data FAXTX FAX sending driver 00622414 040000 INF INIDATA PRT 1 FAXRX FAX receiving software 00622414 040000 INF INIDATA SCN 1 RSP Remote Setup software 00622414 040000 INF INIDATA FAXTX 1 MEDIA Media Drive driver 00622414 040000 INF INIDATA FAXRX 1 00622414 040000 INF INIDATA RSP 1 7 All models indicate 0 because BH3 doesn t check Media Drive 00622414 040000 INF INID...

Page 384: ...AME Brother PC FAX 3 00622454 040000 INF PARAM INTERFACE USB 00622454 040000 INF PARAM PRINTER ID 26 If there is no EXIST DRIVER NAME PC FAX sending driver is not properly installed 00622454 040000 INF PARAM MODE 0 00622454 040000 INF FAXTX Driver Check End 00622454 040000 INF FAXRX Check Start 00622454 040000 INF FAXRX FILE CHECK NG 27 FAX Rx File Check 00622454 040000 INF FAXRX Check End 28 If F...

Page 385: ...ay Name DisplayName9 Brother Drivers 00624216 040000 INF ADD REMOVE APPLICATION Check End 00625218 040000 INF Installation Diagnostics Result Start 59 Installation Diagnostics Result OK NG Installation NG Communication 00625218 010000 ERR PRT NG Install 60 Printer Driver Installation Failure Failure to install file 00625218 010000 ERR PRT_INST NG 61 Scanner Driver Installation Result 00625218 0100...

Page 386: ...iles Brother Brmfl04b Brmfinfo ini PRT Printer driver 00318407 040000 INF Function Data SCN Scanner driver 00318407 040000 INF INIDATA PRT 1 FAXTX FAX sending driver 00318407 040000 INF INIDATA SCN 1 FAXRX FAX receiving software 00318407 040000 INF INIDATA FAXTX 1 RSP Remote Setup software 00318407 040000 INF INIDATA FAXRX 0 MEDIA Media Drive driver 00318407 040000 INF INIDATA RSP 0 00318407 04000...

Page 387: ... BrNetCloseDevice WSAWaitForMultipleEvents timeout Error code 0 00322482 010000 ERR BrNetCloseDevice WSAWaitForMultipleEvents timeout Error code 0 00322482 040000 INF Connect Device Name Brother MFC 5840CN 00322482 040000 INF Nework Connect Check End 00322482 040000 INF PORT CHECK OK 78 If OK communication to network port is available 00322482 040000 INF Network Port Check End 00322482 040000 INF ...

Page 388: ... timeout Error code 0 00336853 010000 ERR BrNetCloseDevice WSAWaitForMultipleEvents timeout Error code 0 00336853 040000 INF Connect Device Name Brother MFC 5840CN 00336853 040000 INF Nework Connect Check End 00336853 040000 INF PORT CHECK OK 00336853 040000 INF Fax Port Check End 00336853 040000 INF FAXTX Driver Check End 00336853 040000 INF FAXRX Check Start 00336853 040000 INF FAXRX FILE CHECK ...

Page 389: ...t2 NoDeviceConnected NoDeviceConnected 00338586 040000 INF Enumerate Host Controllers Check End 00339036 040000 INF USB Chip information Check Start 00339036 040000 INF USB Chip0 Device25 Intel 82371AB EB PCI to ISA bridge ISA mode 00339036 040000 INF USB Chip1 Device26 Intel r 82371AB EB PCI Bus Master IDE Controller 00339036 040000 INF USB Chip2 Device27 Intel 82371AB EB PCI to USB Universal Hos...

Page 390: ...04 bh3 Install Appli BH3 Ver1 01 UsaEur Data Disk1 Setup exe 00345566 010000 ERR Process19 apngo sugi SOFT1 PC Appli PCDisks Debug2004 bh3 Install Appli BH3 Ver1 01 UsaEur Data Disk1 Diagnosis BR_collect exe 00345566 040000 INF Process Information End 00345566 040000 INF Startup Information Start 00345566 040000 INF STARTUP Microsoft Office lnk 58 Startup Registration 00345566 040000 INF STARTUP S...

Page 391: ...h C Program Files Brother Brmfl04b Brmfinfo ini SCN Scanner driver 03635316 040000 INF Function Data FAXTX FAX sending driver 03635316 040000 INF INIDATA PRT 1 FAXRX FAX receiving software 03635316 040000 INF INIDATA SCN 1 RSP Remote Setup software 03635316 040000 INF INIDATA FAXTX 1 MEDIA Media Drive driver 03635316 040000 INF INIDATA FAXRX 0 03635316 040000 INF INIDATA RSP 0 7 All models indicat...

Page 392: ...010000 ERR CheckNetwork Error Port Name iligal Time 3 03643428 010000 ERR Cannot Get IP Address ErrCode 11001 03643428 010000 ERR CheckNetwork Error Port Name iligal Time 4 03645440 010000 ERR Cannot Get IP Address ErrCode 11001 03645440 010000 ERR CheckNetwork Error Port Name iligal Time 5 03647453 010000 ERR Cannot Get IP Address ErrCode 11001 03647453 010000 ERR CheckNetwork Error Port Name ili...

Page 393: ...01 03680641 010000 ERR CheckNetwork Error Port Name iligal Time 5 03682654 010000 ERR Cannot Get IP Address ErrCode 11001 03682654 010000 ERR CheckNetwork Error Port Name iligal Time 6 03684667 010000 ERR Cannot Get IP Address ErrCode 11001 03684667 010000 ERR CheckNetwork Error Port Name iligal Time 7 03686680 010000 ERR Cannot Get IP Address ErrCode 11001 03686680 010000 ERR CheckNetwork Error P...

Page 394: ...3719046 040000 INF GetPortName Result 0 03719046 040000 INF Get PortName AUTO 03719607 040000 INF ChkDevCommunication Result 40 03719607 010000 ERR Scanner Connect NG 03724965 040000 INF Initialize Result 0 03725526 040000 INF ChkStiDevice Result 0 03725526 040000 INF ChkWiaDevice Result 3 03728390 040000 INF ChkTwainDs Result 0 03728390 040000 INF Get ScannerName Brother MFC 5840CN LAN 03729992 0...

Page 395: ...ER NAME Brother PC FAX 5 26 PC FAX sending driver is properly installed 03771612 040000 INF PC FAX PORT NAME BRN_6007C0 03771612 040000 INF PARAM MODEL NAME PC FAX 03771612 040000 INF PARAM CMP PRINTER NAME Brother PC FAX 5 03771612 040000 INF PARAM INTERFACE LAN 03771612 040000 INF PARAM PRINTER ID 03771612 040000 INF PARAM MODE 1 03771612 040000 INF Fax Port Check Start 03771612 040000 INF FAX P...

Page 396: ... BRN_6007C0 03806822 040000 INF INTERFACE LAN 03806822 040000 INF Nework Connect Check Start 03806832 010000 ERR Cannot Get IP Address ErrCode 11001 95 Attempting again because the first attempt was NG 03806832 010000 ERR CheckNetwork Error Port Name iligal Time 0 03808845 010000 ERR Cannot Get IP Address ErrCode 11001 03808845 010000 ERR CheckNetwork Error Port Name iligal Time 1 03810858 010000 ...

Page 397: ...icate 03837146 040000 INF USB Host Controler HCD0 Intel 82371AB EB PCI to USB Universal Host Controller 33 Communication Check 03837777 040000 INF Connect Device Information Start It obtains the status of connecting to local network even though it 03837777 040000 INF Port1 Dev1 USB Composite Device is connecting to network 03837777 040000 INF Connect Device Information End 34 USB device is connect...

Page 398: ...R Process2 03845718 010000 ERR Process3 SystemRoot System32 smss exe 03845718 010000 ERR Process4 03845718 010000 ERR Process5 C WINNT system32 winlogon exe 03845718 010000 ERR Process6 C WINNT system32 services exe 03845718 010000 ERR Process7 C WINNT system32 lsass exe 03845718 010000 ERR Process8 C WINNT system32 svchost exe 56 Process Information which is running 03845718 010000 ERR Process9 C...

Page 399: ...n 63 Scanner Driver Installation Failure cannot communicate 03852358 010000 ERR SCN_INST OK 64 Scanner Driver Installation Result 03852358 010000 ERR SCN_PORT AUTO 65 Scanner Driver Port 03852358 010000 ERR FAXTX NG Communication 66 PC FAX Sending Driver Installation Failure cannot communicate 03852358 010000 ERR FAXTX_INST OK 67 PC FAX Sending Driver Installation Result 03852358 010000 ERR FAXTX_...

Page 400: ...ger to use the TWAIN protocol is not available The TWAIN Data Source Manager may not exist SCDIAG_STIDEVICE_CREATE_FAIL 20 The system failed to create the STI device The STI WIA service or the minidriver may have problems SCDIAG_STI_SYSTEM_ERROR 21 The STI Interface IStillImage is not available The STI service may not start or the operation system may have problems SCDIAG_WIADEVICE_CREATE_FAIL 30 ...

Page 401: ...Confidential February 05 SM FAX032 8XA901 5 Printed in Japan ...

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