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Brother HL-4000CN, Service Manual

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CONTENTS 

CHAPTER III STRUCTURE OF SYSTEM COMPONENTS............III-1 

1. PRINTING PROCESS ................................................................................... III-1 

1.1 Summary of Printing Process .............................................................................................. III-1 

1.2 Schematic Diagram for Printing Processes ......................................................................... III-3 

1.3 Description of Printing Process Techniques ........................................................................ III-4 

1.3.1 Charging with electricity................................................................................................. III-4 
1.3.2 Exposure ....................................................................................................................... III-5 
1.3.3 Development ................................................................................................................. III-7 
1.3.4 Primary transfer (drum -> IDT 1)................................................................................... III-9 
1.3.5 Secondary transfer (IDT 1 -> IDT 2)............................................................................ III-11 
1.3.6 Cleaning (IDT 1) .......................................................................................................... III-11 
1.3.7 Tertiary transfer (IDT 2 - paper) .................................................................................. III-12 
1.3.8 Cleaning (IDT 2) .......................................................................................................... III-13 
1.3.9 Static elimination ......................................................................................................... III-13 
1.3.10 Fixing......................................................................................................................... III-14 
1.3.11 Cleaning (general)..................................................................................................... III-15

 

2. FLOW

 

OF

 

PRINT

 

DATA............................................................................... III-17 

2.1 Data Flow ........................................................................................................................... III-17 

3. DRIVE

 

TRANSMISSION

 

ROUTE................................................................. III-18 

3.1 Main Drive ASSY ............................................................................................................... III-18 

3.2 DEVE Drive ASSY ............................................................................................................. III-19 

3.3 Holder Toner Cartridge ASSY (Y, M, C, K) ........................................................................ III-19 

3.4 Fuser Drive ASSY .............................................................................................................. III-20 

3.5 Motor ASSY DUP............................................................................................................... III-20 

3.6 Gear Layout ....................................................................................................................... III-21

 

4. PAPER

 

TRANSFER..................................................................................... III-22 

4.1 Paper Transfer Route (without option)............................................................................... III-22 

4.2 Layout of Paper Transfer Route......................................................................................... III-23

 

5. FUNCTIONS

 

OF

 

MAJOR

 

FUNCTIONAL

 

COMPONENTS ........................... III-24 

5.1 Paper Cassette .................................................................................................................. III-25 

5.1.1 Major functions ............................................................................................................ III-25 
5.1.2 Reference diagram...................................................................................................... III-25

 

5.2 Paper Feeder ..................................................................................................................... III-26 

5.2.1 Major functions ............................................................................................................ III-26 
5.2.2 Reference diagram...................................................................................................... III-27 

5.3 Housing ASSY Retard........................................................................................................ III-28 

5.3.1 Major functions ............................................................................................................ III-28 
5.3.2 Reference diagram...................................................................................................... III-28

 

5.4 Front ASSY In .................................................................................................................... III-29 

5.4.1 Major functions ............................................................................................................ III-29 
5.4.2 Reference diagram...................................................................................................... III-29

 

5.5 Chute ASSY Out ................................................................................................................ III-30 

Summary of Contents for HL-4000CN

Page 1: ...r Color Laser Printer SERVICE MANUAL MODEL HL 4000CN Read this manual thoroughly before maintenance work Keep this manual in a convenient place for quick and easy reference at all times January 2002 SM PRN027 ...

Page 2: ...stered in the United States and other countries and True Type is a trademark of Apple computer Inc Epson is a registered trademark and FX 80 and FX 850 are trademarks of Seiko Epson Corporation Hewlett Packard is a registered trademark and HP Laser Jet is a trademark of Hewlett Packard Company IBM IBM PC and Proprinter are registered trademarks of International Business Machines Corporation Micros...

Page 3: ...tem the electrical system and the electrical circuits and their timing information CHAPTER IV ASSEMBLY DISASSEMBLY Procedures for replacement of the mechanical system parts CHAPTER V TROUBLESHOOTING Description of error messages on the control panel troubleshooting image failure etc CHAPTER VI DIAGRAMS CHAPTER VII PLUG JACK P J CONNECTOR LOCATIONS Information in this manual is subject to change du...

Page 4: ... PRINT FUNCTION I 8 7 1 Image Area I 8 7 2 Internal Fonts I 8 7 3 True Type Fonts I 11 8 IMAGE PROCESSING FUNCTIONS I 12 8 1 Color Monochrome Specification I 12 8 2 Paper Type Selection I 12 8 3 Toner Save I 12 8 4 Color Matching I 12 8 5 Image Adjustment I 12 8 6 Color Adjustment I 12 8 7 Automatic Image Quality Correction I 12 8 8 Recommended Image Quality Modes I 12 8 9 Profile Specification I ...

Page 5: ...tion I 16 15 UTILITY PRINT I 16 15 1 Printer Setting List I 16 15 2 Panel Setting List I 16 15 3 Font List I 16 15 4 Job Log Print I 16 15 5 Color Registration Correction Chart I 16 16 HOST INTERFACE I 17 16 1 Client Hardware I 17 16 2 Client OS I 17 16 3 Server OS I 17 17 IEEE1284 I 17 17 1 Connector I 17 17 2 IEEE1284 Support I 17 18 ETHERNET I 17 18 1 Connector I 17 18 2 Printing Protocols I 18...

Page 6: ...r Tray Protective Materials II 4 1 4 Mounting the Print Head Cartridge II 6 1 5 Mounting the Toner Cartridge II 9 1 6 Mounting the Transfer Roll Cartridge II 12 1 7 Loading Paper II 14 1 8 Connecting the Power Cable II 18 1 9 Correcting the Color Registrations II 20 CHAPTER III STRUCTURE OF SYSTEM COMPONENTS III 1 1 PRINTING PROCESS III 1 1 1 Summary of Printing Process III 1 1 2 Schematic Diagram...

Page 7: ...I 42 7 CONTROL III 43 7 1 Control of Paper Size III 43 7 2 Selective Control on Paper Pick up Unit III 43 7 3 Scanner Light Quantity Control III 43 7 4 Process Control III 43 7 5 Color Registration Control III 47 7 6 Transfer Roll Cartridge Unit ASSY Control III 48 7 7 Toner Control III 49 7 8 Fuser Control III 50 CHAPTER IV ASSEMBLY DISASSEMBLY IV 1 1 BEFORE STARTING DISASSEMBLY IV 1 1 1 Precauti...

Page 8: ...ocedure V 40 4 6 Diag Mode Menu Tree V 41 4 7 ESS Diagnosis V 43 4 8 IOT Diagnosis V 44 4 9 Installation Setting V 51 4 10 Test Print V 52 4 11 Parameter Setting V 53 4 12 Information Print V 55 5 DIAGNOSIS FOR STANDALONE PRINTER V 56 5 1 General V 56 5 2 Printing Method V 56 5 3 Test Print Pattern V 57 6 NVM LIST V 58 7 HEX DEC CONVERSION TABLE V 67 8 IMAGE QUALITY TROUBLE ENTRY CHART V 69 9 IMAG...

Page 9: ...1 How to Use the BSD VI 1 1 2 Explanations of Symbols VI 1 1 3 Signal Name VI 4 1 4 DC Voltage VI 4 1 5 Input Output Test VI 4 2 BSD BLOCK SCHEMATIC DIAGRAM CHAPTER VII PLUG JACK P J CONNECTOR LOCATIONS VII 1 1 LIST OF P J VII 1 1 1 Base Engine VII 1 1 2 2 Tray Module VII 3 2 P J LAYOUT DIAGRAM VII 4 2 1 IOT Top VII 4 2 2 IOT Front RH VII 5 2 3 MCU and HVPS PWB ESS PWB VII 6 2 4 Tray 1 VII 7 2 5 2...

Page 10: ...r beam might cause serious eye damage Safety precautions and interlock mechanisms have been designed to prevent any possible laser beam exposure to the operator FDA REGULATIONS FOR 120 V MODEL ONLY U S Food and Drug Administration FDA has implemented regulations for laser products manufactured on and after August 2 1976 Compliance is mandatory for products marketed in the United States The label s...

Page 11: ... of procedures other than those specified in this manual may result in hazardous radiation exposure For Finland and Sweden LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT Varoitus Laitteen käyttäminen muulla kuin tässä käyttöohjeessa mainitulla tavalla saattaa altistaa käyttäjän turvallisuusluokan 1 ylittävälle näkymättömälle lasersäteilylle Varning Om apparaten används på annat sätt än i denna Bruksanv...

Page 12: ...y Caution Use of controls or adjustment or performance of procedures other than those specified in this manual might result in hazardous radiation exposure Disconnect device This printer must be installed near a power outlet that is easily accessible In case of emergencies you must disconnect the power cord from the power outlet to shut off the power completely Caution for batteries Do not replace...

Page 13: ...ctric shock by following the procedures of this manual WARNING While the printer is ON never touch live parts if not required absolutely WARNING Power is supplied to the power switch inlet LVPS ASSY even while the printer is off Never touch its live components WARNING Do not touch live parts unless otherwise specified Driving Units When servicing gears or other driving units be sure to turn them O...

Page 14: ...laser printer while it is running be sure to follow the procedures specified in this manual N You should understand the features of the laser beams which are capable of having an injurious action on the human body not to extend the danger over the workers as well as other people around the printer Note I Laser beams have features as follows x Frequencies are smaller in width than other beams sun a...

Page 15: ...when servicing the printer Caution label for high temperature units Unpacking the Printer WARNING The printer must be carried horizontally with two or more persons CAUTION Extreme care must be taken to avoid personal injuries Check visually the printer for evidence of any damages Peel all tapes off the printer Remove protection parts 2 pieces from the paper tray ...

Page 16: ...eplaceable Unit Hex Hexadecimal I F Interface IDT Intermediate Drum Transfer ID Image Density or Identification L H Left Hand L P Low Paper LD Laser Diode LEF Long Edge Feed MSI Multi Sheet Inserter N F Normal Force N P No Paper NVM Non Volatile Memory OPC Organic Photo Conductor P H Paper Handling PCDC Pixel Count Dispense Control PPM Prints Per Minute Pixel Picture Cell PWB Printed Wiring Board ...

Page 17: ...echanical accidents fuses circuit breakers and interlock switches and for safe user operations panels and covers Do not make mechanical alterations that may impair the safety functions 5 Parts mounting and removal Parts and covers may have sharp edges Do not touch the edges readily If your fingers or hands become greasy wipe off the grease well Do not pullout a part cable forcibly but gradually 6 ...

Page 18: ...ing the following consumables be sure to attach the U tag to the replaced one and recover Drum cartridge Color toner cartridges As to parts to be recycled enter necessary data into the U tag and recover the parts 5 General Notes Be careful not to disturb the customer s daily work Color toner dropped on the floor is hardly cleaned Place the drop cloth on the floor when maintaining the inside of the...

Page 19: ...ed 5 Repair any secondary problems that would prevent the machine from running 6 Perform the trim activities For SM visit 1 Print any Internal Test Pattern to check the print quality See page V 51 2 Feed paper from each tray and clean or replace the feed role as required 3 Repair any secondary problems that would prevent the machine from running 4 Perform the trim activities Final Actions 1 Check ...

Page 20: ...ld be cleaned carefully 3 Check the periodic replacement parts consumable parts Replace as required 4 Safety check Check the Power Cord for damage or loose connection 5 After 1 to 4 above completes do the following overall operation checks Machine operation Print quality Meter reading 3 2 Mechanical consumables and periodic replacement parts A mechanical consumable should be replaced after checkin...

Page 21: ...ield roll 3 1 Fuser ASSY A R Check that the H Roll and P Roll are not scratched Replace them when necessary 3 2 Print Head Cartridge A 30K Visual check only Do not touch 3 3 Transfer Roll Cartridge Unit ASSY C 18K Visual check only Do not touch 4 Safety check A Check the power plug for loose connection Check the power cable for crack or explosion of its conductor Check that the extension cable of ...

Page 22: ...CHAPTER I SPECIFICATIONS ...

Page 23: ...6 5 Warm up Time I 8 7 PRINT FUNCTION I 8 7 1 Image Area I 8 7 2 Internal Fonts I 8 7 3 True Type Fonts I 11 8 IMAGE PROCESSING FUNCTIONS I 12 8 1 Color Monochrome Specification I 12 8 2 Paper Type Selection I 12 8 3 Toner Save I 12 8 4 Color Matching I 12 8 5 Image Adjustment I 12 8 6 Color Adjustment I 12 8 7 Automatic Image Quality Correction I 12 8 8 Recommended Image Quality Modes I 12 8 9 Pr...

Page 24: ... 15 14 4 Job Log Function I 16 14 5 Reception Limit IP Filter Function I 16 15 UTILITY PRINT I 16 15 1 Printer Setting List I 16 15 2 Panel Setting List I 16 15 3 Font List I 16 15 4 Job Log Print I 16 15 5 Color Registration Correction Chart I 16 16 HOST INTERFACE I 17 16 1 Client Hardware I 17 16 2 Client OS I 17 16 3 Server OS I 17 17 IEEE1284 I 17 17 1 Connector I 17 17 2 IEEE1284 Support I 17...

Page 25: ...er I 22 20 5 Summary of Prohibited Conditions I 22 21 OPERATING SUPPLY VOLTAGE I 23 22 RATED POWER CONSUMPTION I 23 23 NOISE I 24 24 FIRMWARE UPDATE FUNCTION I 24 25 TOOLS AND SERVICE CONSUMABLES I 24 25 1 Tools I 24 25 2 Service Consumables I 24 26 CONSUMABLES I 24 27 SOFTWARE RELATED INFORMATION I 25 27 1 Menu Tree User Mode I 25 ...

Page 26: ... UNIT Width mm Depth mm Height mm Weight kg 439 590 445 35 5kg or less with CRU with the manual tray folded 3 SPACE REQUIREMENTS The printer has vents on the sides and the rear Install the printer with clearances of 150 cm on the right 100 cm on the left and 200 cm on the rear 600mm 100mm 150mm 200mm ...

Page 27: ...ough a network 2 ESS The ESS interprets print information control code data character code data graphics data and image data sent from the host computer into video data and sends it to the IOT 3 IOT The ESS prints received video data for viewing This unit uses the A4 size 600 1200 dpi laser xerography system Host Computer ESS Control Panel IOT Network IEEE1284 or USB1 1 Power Source AC ...

Page 28: ...ow magenta cyan Semiconductor laser simultaneous scanning by 4 beams Heat fusing of the free belt nip system CRU consumables Black toner cartridge Yellow toner cartridge Magenta toner cartridge Cyan toner cartridge Drum cartridge Transfer roll cartridge Paper Source Internal 500 sheets feeder unit MSI unit 100 sheets 500 sheets x 2 feeder unit optional Paper Exit Face down output tray 250 sheets D...

Page 29: ... Parallel connection interface IEEE1284 compliant compatible nibble ECP USB1 1 Network connection interface 100BASE TX supported 10BASE T compatible Network Protocol LPD Port9100 IPP FTP only for firmware update NetWare SPX IPX with optional network expantion card installed Apple Talk Ether Talk with optional network expantion card installed SMB over TCP IP with optional network expantion card ins...

Page 30: ...I 5 5 OPTIONAL PRODUCTS No Product Name Product Code Remarks 1 2 Tray Module LT 40CL 2 Hard Disk HD 40CL 3 4 5 6 7 8 9 ...

Page 31: ...ed Rear fan Rotating at half speed LVPS Normal mode 3 Low Power Mode Light Sleep Mode If no print data is received for a specified time the printer changes to this mode to save power Fusing system Paused Exposure system Paused Recording system Paused Fuser fan Paused Rear fan Paused LVPS Normal mode 4 Power Save Mode Deep Sleep Mode If no print data is received for a specified time in Low Power Mo...

Page 32: ...hite 20 sec max 6 4 Continuous Printing Speed Printing speed in the same document mode OS Win98 Measuring chart Not prescribed Paper A4 SEF PCL6 Paper Type Paper Source Color Duplex Simplex Ave print speed Plain Paper 1 Not prescribed Color Simplex 16 ppm or more Plain Paper 1 Not prescribed Black White Simplex 16 ppm or more Plain Paper 1 Not prescribed Color Duplex 10 ppm or more Plain Paper 1 N...

Page 33: ...pe Clarendon Cond MicroType Coronet MicroType Courier Courier It Courier Bd Courier Bold It MicroType Garamond Antiqua Garamond Kursiv Garamond Halbfett Garamond Kurs Halb MicroType Letter Gothic Letter Gothic It Letter Gothic Bd MicroType Marigold MicroType CG Omega CG Omega It CG Omega Bd CG Omega Bd It MicroType CG Times CG Times It CG Times Bd CG Times Bd It MicroType Times New Roman Times New...

Page 34: ...rdeCE Demi AvantGardeCE DemiOblique Bodoni Bodoni Bold Bodoni BoldItalic Bodoni Italic Bodoni Poster Bodoni PosterCompressed BodoniCE BodoniCE Bold BodoniCE BoldItalic BodoniCE Italic BodoniCE Poster BodoniCE PosterCompressed Bookman Demi Bookman DemiItalic Bookman Light Bookman LightItalic BookmanCE Demi BookmanCE DemiItalic BookmanCE Light BookmanCE LightItalic Carta Chicago ChicagoCE Clarendon ...

Page 35: ...lerTextCE Black HoeflerTextCE BlackItalic HoeflerTextCE Italic HoeflerTextCE Regular JoannaMT JoannaMT Bold JoannaMT BoldItalic JoannaMT Italic JoannaMTCE JoannaMTCE Bold JoannaMTCE BoldItalic JoannaMTCE Italic LetterGothic LetterGothic Bold LetterGothic BoldSlanted LetterGothic Slanted LetterGothicCE LetterGothicCE Bold LetterGothicCE BoldSlanted LetterGothicCE Slanted LubalinGraph Book LubalinGr...

Page 36: ...ue Univers Oblique UniversCE Bold UniversCE BoldExt UniversCE BoldExtObl UniversCE BoldOblique UniversCE Condensed UniversCE CondensedBold UniversCE CondensedBoldOblique UniversCE CondensedOblique UniversCE Extended UniversCE ExtendedObl UniversCE Light UniversCE LightOblique UniversCE Medium UniversCE Oblique Wingdings Regular ZapfChancery MediumItalic ZapfChanceryCE MediumItalic ZapfDingbats 7 3...

Page 37: ...tment The brightness contrast and saturation can be adjusted 8 6 Color Adjustment The RGB intensities can be adjusted individually 8 7 Automatic Image Quality Correction The automatic image quality correction function can be turned ON or OFF The default is OFF 8 8 Recommended Image Quality Modes 1 Default display Mode Resolution Use and processing Standard 600dpi General standard quality This mode...

Page 38: ...this coherency mode the output hue is the same as those of other models Standard High gloss 600dpi Glossy prints are output in this standard mode Plain paper 1 Plain paper 2 High quality High gloss 600dpi Glossy prints are output in this high quality mode Plain paper 1 Plain paper 2 Engine resolution Speed 600dpi 1200dpi Paper type Image quality mode Simplex Duplex Simplex Duplex Standard High glo...

Page 39: ...3 Multiple Page The user can specify 2up 4up 8up 16up or 32up to print a specified number of pages together 10 4 Margin Shift The user can specify the top bottom right and left margins in millimeters 10 5 Poster A single page image of up to 6 x 6 in size can be printed 36 times repeatedly on a single page 10 6 Booklet Printing A job consisting of several pages can be printed and stapled at the cen...

Page 40: ... the data is discarded as an error 13 4 Job Recovery A job may fail due to a paper jam In this case the job is automatically executed once released 14 OTHER FUNCTIONS 14 1 User Job Registration Function Various print settings can be registered in a printer driver with arbitrary names for calling 14 2 Billing Count Function This function counts normally printed pages If enabled in the C E diag sett...

Page 41: ...r setting list can be printed from the panel The list is printed on A4 paper in monochrome by automatic tray selection 15 2 Panel Setting List A panel setting list can be printed from the panel The list is printed on A4 paper in monochrome by automatic tray selection 15 3 Font List A font list can be printed from the panel The list is printed on A4 paper in monochrome by automatic tray selection Y...

Page 42: ...Supported Supported Supported Supported Windows NT4 0 Supported Supported Supported Windows 2000 XP Supported Supported Supported MAC OS 8 1 to 9 1 Supported 16 3 Server OS Windows NT 4 0 Server Windows 2000 Server NetWare 3 12J 3 2J 4 1J 4 11J 4 2J 5J Windows 95 98 ME Printer shared 17 IEEE1284 17 1 Connector Amphenol 36 pin 17 2 IEEE1284 Support The printer supports IEEE1284 compatible nibble EC...

Page 43: ... lprand Sizeless lpr Port9100 TCP IP 1 Win95 98 Me Win2000 XP IPP TCP IP 3 Windows Me Win2000 FTP only for firmware update TCP IP 1 Client Win95 98 Me WinNT4 0 Win2000 XP 2 Option Supported Protocol Transport Max Session Supported OS TCP IP SMB NetBEUI 5 Win95 98 Me WinNT4 0 Win2000 NCP IPX PServer mode NetWare SPX IPX Nprint mode 1 NetWare 3 12J 3 2J 4 1J 4 11J 4 2J 5J NDS support EtherTalk PAP A...

Page 44: ...base management TCP IP Client Windows 95 98 Me NT4 0 2000 XP Netscape Communicator 4 06 or later Internet Explorer 4 01 or later MacOS OS8 1 9 1 OpenTransport1 1 2 or later Netscape Communicator 4 06 or later Internet Explorer 4 01 or later DHCP UDP IP Supported OS Windows NT 4 0 Server Windows 2000 Server IPP TCP IP Number of session 5 Windows2000 XP 2 Option Supported Protocol Transport Max Sess...

Page 45: ...LITY SOFTWARE 19 1 Printer Drivers Installers Printer drivers for Windows 95 98 ME Windows NT4 0 Windows 2000 and Mac OS 8 1 to 9 1 are prepared 19 2 BLP LPR Utilities for Windows 95 98 ME are prepared for peer to peer network printing 19 3 BNT NetBIOS Utilities for Windows 95 98 ME NT4 0 2000 XP are prepared for peer to peer network printing 19 4 BRAdmin Pro Various network settings are permitted...

Page 46: ...y The paper weight in long size mode shall be 157 gsm or less 4 500 sheet universal tray Supported size A4 B5 A5 Letter and Legal 14 Paper capacity 500 sheets or 56 mm thick or less for standard paper Paper type Plain paper 1 Plain paper 2 Paper weight 60 to 99 gsm 5 Paper feed control 1 Automatic tray feed including the manual feed tray From the trays including the manual feed tray the printer au...

Page 47: ...prohibited on the printer driver For duplex printing Long Edge Binding or Short Edge Binding can be selected 20 4 Handling of Other Paper 1 Transparency dividers The printer has a divider insertion function for transparencies Before a transparency a blank sheet or a print index of the same contents as the transparency is inserted For the paper tray user can select automatic paper feed from a tray ...

Page 48: ...ATING SUPPLY VOLTAGE 115 120V Phase Single two phases Input voltage 100 127 VAC 10 Frequency 50 60 Hz 3Hz 220 240V Phase Single two phases Input voltage 220 240 VAC 10 Frequency 50 60 Hz 3Hz 22 RATED POWER CONSUMPTION Mode Power consumption Running Mode 850 W max Maximum Fuser ON 450 W max Average 1 Ready Mode 850 W max Maximum Fuser ON 180 W max Average 2 Low Power Mode 45 W max Conforming to the...

Page 49: ...card y y n MCU n n n 25 TOOLS AND SERVICE CONSUMABLES 25 1 Tools 604K2540 Tester Adapter 25 2 Service Consumables The printer has no service consumables unique to the machine 26 CONSUMABLES Consumables Product Code Life No of sheets printable 1 Black Toner Cartridge TN 11BK 8 5K Cyan Toner Cartridge TN 11C 6K Magenta Toner Cartridge TN 11M 6K Yellow Toner Cartridge TN 11Y 6K Drum Cartridge PH 11CL...

Page 50: ...t Init PS Disk Y 0 M 0 C 0 Enter Number Correction Chart Plain paper 1 Plain paper 2 YES NO YES NO YES NO NO YES 30sec 5 300 OFF OFF 1 900 min English French Italian German Spanish Dutch OFF Upper Left Upper Right Lower Left Lower Right 3 min 0 60 Error Alarm Job Timeout Panel Language Text Print PS Error Report PS Job Timeout Auto Log Pr nt ID Print Light 60 75g m2 Heavy 65 99g m2 Light 76 99g m2...

Page 51: ...W Standard BCP DHCP Panel Setup IP Address IP Address Subnet Mask Gateway Address IP Filter OFF Accept Reject FilterX Address FilterX Mask FilterX Mode Protocol LPD Port9100 IPP NetBIOS TCP IP NetBEUI NetWare AppleTalk Enabled Disabled Enabled Disabled Enabled Disabled Enabled Disabled Enabled Disabled Enabled Disabled Enabled Disabled Enabled Disabled TBCP Standard BCP Auto 10Base Half 10Base Ful...

Page 52: ...CHAPTER II INSTALLATION ...

Page 53: ...the Tapes from the Printer II 3 1 3 Removing the Paper Tray Protective Materials II 4 1 4 Mounting the Print Head Cartridge II 6 1 5 Mounting the Toner Cartridges II 9 1 6 Mounting the Transfer Roll Cartridge II 12 1 7 Loading Paper II 14 1 8 Connecting the Power Cable II 18 1 9 Correcting the Color Registrations II 20 ...

Page 54: ... 1 8 Connecting the Power Cable 1 9 Correcting the Color Registrations Note The printer has various protective materials for protection from vibrations and shocks during move Remove all the protective materials first If you purchased a two tray module attach the module to the printer first For the attachment method refer to the attached document The cardboard box carrying handle styrofoam and prot...

Page 55: ...efore starting installation make sure that no items are missing Note Keep the packaging materials if a future long distance move of the printer is anticipated Printer base engine Print head cartridge Fig 2 1 Fig 2 2 Toner cartridges black yellow magenta and cyan Power cable Fig 2 3 Fig 2 4 ...

Page 56: ... 2 Removing the Tapes from the Printer The printer taken out of the box is taped at eight positions Remove all the tapes by referencing the figure below Right side Fig 2 5 Left side Fig 2 6 Rear side Fig 2 7 ...

Page 57: ... during move Remove the protective materials as explained next Note The protective materials are necessary for the long distance move of the printer Be sure not to lose them Fig 2 8 1 Pull out the paper tray until it stops Fig 2 9 2 Hold the paper tray by both hands and extract it by lifting this side up Note Put the removed paper tray at a flat place Fig 2 10 ...

Page 58: ...aterial if a future move of the printer is anticipated Fig 2 11 4 Hold the paper tray by both hands and slide it into the printer along the slot Fig 2 12 5 Push the tray deep into to the printer Note Be careful not to push in the tray too hard Otherwise the printer or tray itself may be damaged Fig 2 13 ...

Page 59: ...II 6 1 4 Mounting the Print Head Cartridge Mount the print head cartridge as explained next Fig 2 14 1 Lift the A button 1 and open the front cover 2 Fig 2 15 2 Open the delivery section cover Fig 2 16 ...

Page 60: ... holding the right and left ends Fig 2 18 5 Peel the protective sheet covering the cartridge as shown in the figure Note Do not touch the intermediate transfer roll black Do not hit or scratch the roll surface with a thing If the roll surface is damaged or stained by hand or other the print quality will go low Do not leave the print head cartridge with the protective sheet off The print quality wi...

Page 61: ...w Then lower the cartridge slowly Note Do not touch the intermediate transfer roll The cartridge may be damaged if lowered when the groove and shaft are not aligned well Make sure that the surface of the intermediate transfer roll does not contact other parts Fig 2 20 7 Close the delivery section cover Fig 2 21 8 Close the front cover Fig 2 22 Intermediate transfer roll ...

Page 62: ...ned next Note The toner is not harmful to the human body If the toner gets on your skin or clothes wash it away immediately Fig 2 23 1 Detach the top cover Fig 2 24 2 Take a new toner cartridge of the same color as the label at the mounting position out of the package Fig 2 25 ...

Page 63: ...the toner even inside Fig 2 26 4 By aligning with the groove of the printer place the cartridge in the direction shown in the figure Fig 2 27 5 Hold the knobs at both ends of the toner cartridge While pressing down gently turn the knobs to this side Fig 2 28 ...

Page 64: ...he toner seal upward Note For extraction pull the toner seal straight up The tap may be cut if pulled askew Fig 2 29 7 Mount the remaining three toner cartridges in the same way Fig 2 30 8 Attach the top cover Fig 2 31 ...

Page 65: ...the transfer roll cartridge Fig 2 32 1 Push up button A 1 and fully open the front cover 2 Fig 2 33 2 Grip the orange tabs at both ends of the transfer roll 1 and gently lift it out of the printer 2 Note Lift the transfer roll carefully to prevent waste toner from spilling out Fig 2 34 ...

Page 66: ... shown Fig 2 35 4 Insert the pins at both ends of the transfer roll cartridge into the bearings inside the printer and gently push the roll into the printer Fig 2 36 5 To lock the transfer roll cartridge into the printer push down on the tabs until you hear a click Fig 2 37 ...

Page 67: ...II 14 6 Close the front cover Fig 2 38 1 7 Loading Paper Load paper on the tray as explained next Fig 2 39 1 Pull out the paper tray until it stops Fig 2 40 ...

Page 68: ...reater than the paper size Fig 2 42 4 Pinch and lift the vertical paper guide slightly and align the projection of the guide with the on the paper size scale Note Check that the stopper of the vertical paper guide is fit in the groove on the scale If the vertical paper guide is moved slightly the printer may not be able to detect the paper size automatically In this case shift the vertical paper g...

Page 69: ...ke sure that the paper is not on the tabs Fig 2 44 6 Align the horizontal paper guide with the paper width Note If the paper guides are pressed too hard against the paper a paper jam may occur If the paper guides are too loose askew paper feed may occur Fig 2 45 7 Hold the paper tray by both hands and slide it into the printer along the slot Fig 2 46 ...

Page 70: ...o to the printer Note Be careful not to push in the tray too hard Otherwise the printer or tray itself may be damaged Fig 2 47 Note A paper try has a paper level indicator on its side Check this indicator when loading paper Fig 2 48 ...

Page 71: ... To prevent fire or electric shocks follow the instruction below based on your machine configuration If in doubt contact your dealer or authorized Brother service representative If your machine is a 220 240 V model there is no need to attach a separate earth line since the earth connection is incorporated in the power line Plug it into a properly rated outlet If your machine is a 100 or 110 V mode...

Page 72: ...he side of the power switch on the right side of the printer to turn the power on Note When the power is turned on for the first time after installation the motor in the printer rotates for one or two minutes Fig 2 50 ...

Page 73: ...the operator panel Print screen Printer ready Menu screen Menu screen 1 Press the Menu button to display the menu screen 2 Press the button once 4 Press the button four times 3 Press the Form Feed Set or button once 5 Press the Form Feed Set or button once 6 Press the Form Feed Set or button once 7 Press the Form Feed Set button once to print the color registration correction chart After printing ...

Page 74: ...raight If the value of the most straight line is 0 no correction is necessary Otherwise make a necessary correction according to the set value input procedure given next Entering Set Values By using the control panel enter numeric values read from the color registration correction chart for corrections 2 Press the button once 1 Display the setting menu for the color registration correction chart b...

Page 75: ...rt reflecting the set values is printed After printing the display returns to the print screen 9 Check that the numeric value of a line most straight is 0 for Y yellow M magenta or C cyan on the color registration correction chart This completes the corrections of color registrations Note After printing the display returns to the print screen From previous page 4 Press the or button several times ...

Page 76: ...CHAPTER III STRUCTURE OF SYSTEM COMPONENTS ...

Page 77: ... PRINT DATA III 17 2 1 Data Flow III 17 3 DRIVE TRANSMISSION ROUTE III 18 3 1 Main Drive ASSY III 18 3 2 DEVE Drive ASSY III 19 3 3 Holder Toner Cartridge ASSY Y M C K III 19 3 4 Fuser Drive ASSY III 20 3 5 Motor ASSY DUP III 20 3 6 Gear Layout III 21 4 PAPER TRANSFER III 22 4 1 Paper Transfer Route without option III 22 4 2 Layout of Paper Transfer Route III 23 5 FUNCTIONS OF MAJOR FUNCTIONAL COM...

Page 78: ...1 Print Mode III 42 6 2 Operation Modes III 42 7 CONTROL III 43 7 1 Control of Paper Size III 43 7 2 Selective Control on Paper Pick up Unit III 43 7 3 Scanner Light Quantity Control III 43 7 4 Process Control III 43 7 4 1 Potential control III 44 7 4 2 Toner density control III 45 7 4 3 High area coverage mode III 46 7 4 4 Admix mode III 46 7 4 5 LED light quantity control of holder ASSY CTD III ...

Page 79: ...Drum surface is charged with electricity 2 Exposure Image unit is exposed to laser beams 3 Development Image is developed with toner 4 Primary transfer Toner image is transferred to the intermediate transfer unit IDT 1 5 Secondary transfer Toner image on the intermediate transfer IDT 1 is transferred to the intermediate transfer unit IDT 2 6 Cleaning The intermediate transfer IDT 1 is cleaned 7 Te...

Page 80: ...ing IDT2 9 Static elimination 10 Fixing Paper 11 Cleaning general Intermediate transfer unit IDT1 Intermediate transfer unit IDT2 Cleaning IDT1 Intermediate transfer unit IDT1 4 Primary transfer Drum IDT1 Primary transfer Drum IDT1 4 Charged with electricity 1 Exposure 2 Develop ment 3 Charged with electricity 1 Exposure 2 Develop ment 3 Charged with electricity 1 Exposure 2 Develop ment 3 Fig 3 1...

Page 81: ...Laser beam Paper transfer Fig 3 2 Print head cartridge ASSY is integrated major units of printing processes It is composed as follows HTC HTC HTC Developer M Developer Y Developer C Developer K Drum K Drum C Drum Y Drum M IDT1 IDT1 IDT2 IDT2 Cleaner IDT1 Cleaner IDT1 Cleaner 1 Changing with electricity 1 Changing with electricity 3 Development 3 Development 3 Development Refresher Refresher Refres...

Page 82: ...tive roll receives discharge voltage from HVPS High Volume Power Supply and discharges at minus DC voltage The drum surface is uniformly and negatively charged with DC bias voltage The drum surface is optical conductor which is insulator in a dark place and conductor when receiving light and the drum inside is composed of conductor The Refresher is a conductive brush and it receives negative DC vo...

Page 83: ...based on the print data image data from the printer controller When the print data instructs to print pixel points laser beams are generated and when the print data instructs not to print no laser beams are generated On the areas which are developed by toner the laser beams light up and areas which are not developed by toner laser beams go out The laser beams emitted on the drum surface generate a...

Page 84: ...tor Scanner ASSY Negative electric charge Positive electric charge Fig 3 8 Electrostatic latent image Laser beams Drum surface Fig 3 9 Drum concept Laser beams Optical conductor Conductor Fig 3 11 V 0 Laser beams Electric potential on drum Fig 3 10 ...

Page 85: ...are charged by friction due to the agitation toner in negative carrier in positive and they are absorbed each other electrically As the carrier is a magnetic substance it is attracted to the magnet roll having a magnetic force and a homogeneous layer is formed by the trimmer rod and the paddle The magnet roll is covered by a thin semi conductive sleeve over the surface DB Developing Bias voltage i...

Page 86: ...SSY Magnet Roll Trimmer Rod Auger Auger Paddle Negative electric charge Positive electric charge Toner Carrier HVPS Auger Agitator Fig 3 12 Dram surface Toner image Fig 3 13 Electric potention on drum V 0 Developing bias Fig 3 14 ...

Page 87: ...k are respectively transferred to their IDT 1 IDT 1 is a conductive roll and receives supply of high positive voltage from HVPS The toner image negatively charged on the drum is attracted to the IDT1 positively charged and transferred from the drum to the IDT1 surface At this time electric charge of the drum surface is neutralized by the IDT1 Drum surface Fig 3 16 Drum Y IDT1 Drum M Drum C IDT1 Dr...

Page 88: ...Magenta toner image Yellow toner image Magenta toner image IDT1 surface Drum surface Yellow toner image Drum surface Cyan toner image Drum surface Black toner image Cyan toner image Black toner image IDT1 surface Fig 3 17 ...

Page 89: ...the IDT 2 surface and transferred onto the IDT 2 1 3 6 Cleaning IDT 1 In the cleaning process IDT 1 toner remaining on the IDT 1 after the toner image is transferred to the IDT 2 is temporarily stored in the IDT 1 cleaner The IDT 1 cleaner receives positive high voltage from the HVPS with a conductive roll brush The IDT 1 cleaner is placed in contact with the IDT 1 at the position through which it...

Page 90: ...e is transferred onto the paper under the voltage supplied to the transfer roll cartridge Transfer roll cartridge is composed in the transfer roll cartridge ASSY Transfer roll cartridge is a conductive roll and receives positive high current from HVPS When paper passes through between IDT2 and transfer roll cartridge plus potential is given to the back side of the paper so that the toner on the ID...

Page 91: ...toner held is collected upon completion of printing or at the cleaning cycle Refer to 1 3 11 Cleaning general 1 3 9 Static elimination In the static elimination process negative DC voltage is given to the back side of the paper from the detack saw static elimination board to neutralize and eliminate the charge of paper The detack saw receives high voltage from HVPS The positive charge caused in th...

Page 92: ...it with fingers The toner image is fixed on the paper with the fuser ASSY fixing unit The toner melts by heat of the heat roll with the heater lamp as the heat source and is deposited on the paper under pressure given by the belt opposed against the heat roll Pad Sheet Frame Belt Belt Spring Nip Felt Nip Head Heat Roll Paper Not fixed toner Fixed toner Heater Lamp Fig 3 21 ...

Page 93: ...printing The recovery method is different between the toner held in the IDT1 cleaner and IDT2 cleaner and the toner held in the refresher and HTC 1 IDT1 cleaner and IDT2 cleaner High voltage equivalent to the voltage at the printing transfer is applied to the IDT1 IDT2 and transfer roll cartridge The toner negative polarity remaining in the IDT1 cleaner and IDT2 cleaner are moved to the IDT1 and I...

Page 94: ...anner as in the printing transfer the residual toner is collected to the transfer roll cartridge surface by potential difference between IDT1 IDT2 and transfer roll cartridge Toner attached to the surface of transfer roll cartridge is scraper off with the transfer roll cartridge cleaner which is in contact with the transfer roll cartridge and collected into the collection space in the transfer rol...

Page 95: ...t image finally Host electric signal Printer controller electric signal HNB MCU WITH CPU electric signal Scanner ASSY laser beams Electrostatic latent on drum invisible image Toner image on drum Toner image on intermediate transfer unit IDT1 Toner image on intermediate transfer unit IDT2 Toner image on paper Print image on paper Fig 3 24 ...

Page 96: ... DRIVE ASSY CLUTCH ASSY TURN ROLL ASSY TURN GEAR IDLLER FEED GEAR FEED H1 ROLL ASSY FEED PAPER FEEDER CHUTE REGI Regi Clutch Regi Roll CLUTCH TURN ROLL TURN HOUSING ASSY RETARD GEAR MSI ROLL ASSY FEED CHUTE ASSY OUT PRINT HEAD CARTRIDGE ASSY IDT2 IDT1 2 Drum 4 TRANSFER ROLL CARTRIDGE ASSY GEAR IDLER IN GEAR IDLLER GEAR FEED1 Fig 3 25 ...

Page 97: ... power of the toner motor in the holder toner cartridge ASSY drives the agitator in the toner cartridge ASSY to supply toner from the toner cartridge ASSY to holder toner cartridge ASSY and auger in the holder toner cartridge ASSY to supply toner to developer in the print head cartridge ASSY Four holder toner cartridge ASSY Y M C and K operate respectively in the same way HOLDER TONER CARTRIDGE AS...

Page 98: ... Heat Roll FUSER ASSY Gear Exit Roll Assy Exit Fig 3 28 3 5 Motor ASSY DUP Rotary power of the motor ASSY DUP is transmitted through the route below MOTOR ASSY DUP GEAR ROLL ROLL EXIT GEAR ROLL ROLL MID GEAR 30 ROLL DUP CHUTE ASSY EXIT CHUTE ASSY OUT GEAR 48 GEAR 40 42 GEAR 48 GEAR 40 42 GEAR42 Fig 3 29 ...

Page 99: ...OLL CARTRIDGE ASSY MAIN DRIVE ASSY GEAR IDLER IN GEAR IDLER GEAR IDLER FEED GEAR FEED H1 GEAR FEED1 CLUTCH ASSY TURN PAPER FEEDER PICK UP ASSY CHUTE ASSY OUT GEAR MSI FRONT Fig 3 30 MOTOR ASSY DUP CHUTE ASSY EXIT CHUTE ASSY OUT GEAR 48 GEAR 40 42 GEAR 48 GEAR 40 42 GEAR 42 GEAR 30 GEAR ROLL GEAR ROLL FRONT Fig 3 31 ...

Page 100: ...HUTE ASSY TURN Paper feed from MSI Paper transfer by IDT2 of PRINT HEAD CARTRIDGE ASSY and TRANSFER ROLL CARTRIDGE of TRANSFER ROLL CARTRIDGE UNIT ASSY Paper transfer by Heat Roll and Fuser Belt of FUSER ASSY Paper transfer by ROLL MID of CHUTE ASSY EXIT and ROLL PINCH OF CHUTE ASSY OUT Paper transfer by ROLL EXIT of CHUTE ASSY EXIT and ROLL PINCH EXIT of CHUTE ASSY OUT Paper transfer by ROLL ASSY...

Page 101: ...ROLL ASSY TURN PICK UP ASSY 1T CHUTE ASSY TURN ROLL ASSY FEED ROLL ASSY RETARD ROLL TURN ROLL PINCH TURN Regi Roll Metal Roll ROLL PINCH DUP ROLL DUP Transfer Roll Cartridge IDT2 Fuser Belt Heat Roll ROLL ASSY EXIT Pinch Roll ROLL MID ROLL EXIT ROLL PINCH EXIT ROLL PINCH Laser beam Paper transfer Paper sensors Fig 3 33 ...

Page 102: ...ow referring to their illustrations Those components are classified into the following blocks based on the configuration of the printer Paper Cassette Paper Feeder Housing ASSY Retard Front ASSY In Chute ASSY Out Chute ASSY Exit Transfer Roll Cartridge ASSY Fuser Xerographics Toner Cartridge ASSY Frame Drive Electrical ...

Page 103: ...ve in the paper transfer direction to determine the paper size The ON OFF of switch ASSY size see 5 2 Paper Feeder varies according to the end guide position to detect the paper size Roll ASSY Cassette The roll ASSY Cassette and the roll ASSY pick up ASSY T1 see 5 2 Paper Feeder pinch the paper to feed 5 1 2 Reference diagram Side Guide Side Guide End Guide ROLL ASSY Cassette Fig 3 34 ...

Page 104: ...tch ASSY turn Transmits the drive from the main drive ASSY to roll ASSY turn Roll ASSY feed When the solenoid feed operates the gear feed and gear idler feed are engaged by the force of the spring feed Under the drive from the main drive ASSY the roll ASSY feed starts rotating and the roll ASSY pickup ASSY T1 sends paper After having rotated one turn the gear feed and gear idler feed are disengage...

Page 105: ...ram SWITCH ASSY SIZE SENSOR PHOTO No Paper Sensor SENSOR PHOTO Low Paper Sensor SOLENOID FEED GEAR IDLER FEED GEAR FEED SPRING FEED CLUTCH ASSY TURN ROLL ASSY FEED ROLL ASSY TURN ROLL ASSY PICK UP ASSY T1 SENSOR HUM TEMP Fig 3 35 ...

Page 106: ...ain drive ASSY to the roll turn Roll turn The roll turn is rotated by the drive from the main drive ASSY through the clutch turn MSI turn clutch to feed the paper from the manual feed tray to the chute REGI REGI roll refer to 5 8 Xerographics 5 3 2 Reference diagram CLUTCH TURN MSI Turn Clutch ROLL TURN Fig 3 36 ...

Page 107: ...eds it back to the process control refer to 7 4 Process Control Sensor TNR full Detects that the toner collect space in the transfer roll cartridge unit ASSY refer to 5 7 Transfer Roll Cartridge ASSY Fuser has become full of waste toner to be collected Fuser drive ASSY Supplies the drive to the fuser ASSY refer to 5 7 Transfer Roll Cartridge ASSY Fuser 5 4 2 Reference diagram FUSER DRIVE ASSY HOLD...

Page 108: ... No paper Sensor beam is intercepted Solenoid feed MSI Controls the operation rotation stop of roll ASSY feed by controlling the rotations of the gear MSI Roll ASSY feed When the solenoid feed MSI operates the gear MSI and gear idler are engaged by the force of the spring SOL the roll ASSY feed starts rotating under the drive from the main drive ASSY and feeds paper from the manual feed tray After...

Page 109: ...31 5 5 2 Reference diagram SENSOR PHOTO Full Stack Sensor SENSOR PHOTO DUP Jam Sensor ROLL DUP SENSOR PHOTO MSI No Paper Sensor ROLL ASSY FEED Gear Idier MAIN DRIVE ASSY GEAR MSI SOLENOID FEED MSI Fig 3 38 ...

Page 110: ...ts onto the top cover It reverses in the duplex document mode and feeds the prints after fixed on simplex in the REGI direction Roll MID The roll MID rotates under the drive from the motor ASSY DUP and feeds fixed prints onto the top cover It reverses in the duplex document mode and feeds the prints after fixed on simplex in the REGI direction 5 6 2 Reference diagram ROLL EXIT ROLL MID MOTOR ASSY ...

Page 111: ...exit Thermostat Exit sensor Temp sensor Exit sensor Detects passage of print after fixed based on the change of position of the actuator Transfer roll cartridge unit ASSY The transfer roll cartridge unit ASSY consists of a transfer roll cartridge and a waste toner recovery system The transfer roll cartridge is opposed to the IDT 2 in the print head cartridge ASSY and transfer the toner image on th...

Page 112: ...III 34 5 7 2 Reference diagram Transfer Roll Cartridge UNIT ASSY FUSER ASSY Exit Sensor FAN FUSER Fig 3 40 ...

Page 113: ...T 2 IDT 1 cleaner 2 IDT 2 Cleaner Chute REGI REGI clutch The chute REGI is composed of the REGI clutch REGI roll and metal roll Drive from the main drive ASSY is transmitted to the REGI roll through the REGI clutch Feeds paper from the tray MSI and duplex path in the print head cartridge ASSY direction When the paper tip reaches the chute REGI the chute REGI has the paper make a loop until the REG...

Page 114: ...III 36 5 8 2 Reference diagram SENSOR PHOTO Regi Sensor OHP SENSOR ASSY CHUTE REGI Regi Clutch Print Head Cartridge ASSY Scanner ASSY Fig 3 41 ...

Page 115: ...or K The toner motor incorporated in the holder toner cartridge ASSY of each color supplies the drive to the agitator in the toner cartridge ASSY of each color and to auger in the holder toner cartridge ASSY and supplies toner to the developer incorporated in the print head cartridge ASSY Toner Cartridge ASSY Y Toner Cartridge ASSY M Toner Cartridge ASSY C Toner Cartridge ASSY K Toner bottle conta...

Page 116: ...er Motor K TONER CARTRIDGE ASSY Y TONER CARTRIDGE ASSY M TONER CARTRIDGE ASSY K HOLDER TONER CARTRIDGE ASSY 3 Toner Motor C HOLDER TONER CARTRIDGE ASSY 2 Toner Motor M HOLDER TONER CARTRIDGE ASSY 1 Toner Motor Y SWITCH TCRU ASSY K SWITCH TCRU ASSY C SWITCH TCRU ASSY M SWITCH TCRU ASSY Y S HVPS PWBA EEPROM STD TONER CARTRIDGE ASSY C Fig 3 42 ...

Page 117: ...aper feeder Housing ASSY retard Chute ASSY out MSI position Chute REGI Print Head Cartridge ASSY IDT 2 IDT 1 Drum Transfer Roll Cartridge unit ASSY DEVE drive ASSY Supplies the drive to parts as follows Print Head Cartridge ASSY Developer 5 10 2 Reference diagram MAIN DRIVE ASSY DEVE DRIVE ASSY Fig 3 43 ...

Page 118: ...ormation from the sensors or switches Control of Scanner ASSY Supplies high voltage to parts in the print head cartridge ASSY to perform charging development primary transfer and secondary transfer of the print process to the following parts in the ASSY HTC IDT 2 Refresher IDT 1 Cleaner Developer IDT 2 Cleaner IDT 1 PWBA HNB DRV Controls parts of motor and so on by the signal from the HNB MCU with...

Page 119: ...III 41 5 11 2 Reference diagram FAN REAR HARNESS ASSY AC SW LVPS STD HNB MCU WITH CPU PWBA HNB DRV CONTROLLER BOARD Fig 3 44 ...

Page 120: ...e relation between resolution process speed paper and print mode is shown below Resolution Process speed 600dpi 1200dpi Paper Print mode Simplex Duplex Simplex Duplex Standard Full speed Full speed Fine Half speed Half speed Plain paper High Gloss Half speed Half speed Standard Half speed Special paper 1 Fine Half speed 1 Thick paper Label OHP Envelope Postcard 6 2 Operation Modes For the operatio...

Page 121: ...s data are expressed with high and low voltage values and the laser diodes convert the image data from electric signals to optical signals data are expressed with blinking laser beams Variations in light quantity of laser beams or variations in optical system such as lenses or drum sensitivity cannot attain proper electrostatic image and accordingly the laser diodes monitor the light quantity of l...

Page 122: ...tinuous printing The outline of control is as follows 1 The sensor HUM TEMP temperature and humidity sensor detects the temperature and humidity and sets target values of drum charging voltage and developing DC voltage 2 The patches of respective colors yellow magenta cyan and black for the potential control are generated and transferred on the transfer roll cartridge For the shape of patches see ...

Page 123: ...nsity is low the toner dispense quantity is increased at the next printing or if the toner density is high the toner dispense quantity is reduced at the next printing The toner dispense quantity is calculated by the toner dispense time This calculation is made for each color ADC is made after the completion of printing if either of the following conditions is satisfied When cumulative print count ...

Page 124: ...ndition or dirty condition of holder ASSY CTD surface The light quantity emitted from the LED is controlled so that the reflected light quantity satisfies the specified value This control is made in two ways one to set the light quantity so that the reflected light quantity satisfies the specified value and one to adjust the subsequent light quantity to be within the tolerance 1 Light quantity set...

Page 125: ...cess control The control is outlined below 1 With no toner put on the transfer roll cartridge the output value of holder ASSY CTD is measured to determine the threshold value 2 The patches for color registration control are generated on the transfer roll cartridge These patches are composed of 10mm lines of K C K M K and Y in this order by the amount of four dispense counts led by a black trigger ...

Page 126: ... controller judges as uninstallation 7 6 2 Detecting the life of transfer roll cartridge unit ASSY The transfer roll cartridge unit ASSY consists of a transfer roll cartridge and a waste toner recovery system The life of the transfer roll cartridge unit ASSY is detected when the toner recovery space has become full The full toner recovery space is detected by the sensor TNR full 1 Check timing of ...

Page 127: ... toner is not present or may not detect the toner even if the toner is present depending on the film position when the toner motor stopped This is avoided by the printer internal control 7 7 2 Toner presence control The control is outlined below 1 Check timing When the power is turned on or the front cover is opened and closed Every 14 seconds 2 Output of Toner Empty Warning The Toner Empty Warnin...

Page 128: ...er supply voltage 7 8 2 Cool down As the printing continues the temperature distribution of the heat roll becomes uneven between paper path and non paper path To make the heat roll temperature as even as possible the waiting time is provided during which the heater lamp is not turned on This is called the cool down The cool down is executed for the duration of certain time according to the number ...

Page 129: ...CHAPTER IV ASSEMBLY DISASSEMBLY ...

Page 130: ...idge IV 13 2 1 11 Cover side R IV 14 2 1 12 Cover rear IV 14 2 1 13 Link L IV 15 2 1 14 Link R IV 15 2 2 Front of the Printer IV 16 2 2 1 Chute ASSY out IV 16 2 2 2 Actuator full IV 18 2 2 3 Sensor photo full stack IV 18 2 2 4 Actuator DUP IV 19 2 2 5 Sensor photo DUP IV 20 2 2 6 Actuator MSI IV 20 2 2 7 Sensor photo MSI IV 21 2 2 8 Bracket ASSY eliminator IV 21 2 2 9 Roll DUP IV 22 2 2 10 Latch o...

Page 131: ...ain IV 49 2 4 4 PWBA HNB DRV IV 50 2 4 5 DEVE drive ASSY IV 51 2 4 6 Actuator I R IV 51 2 4 7 Lever drum R IV 52 2 4 8 LVPS IV 54 2 4 9 Box ASSY MCU ESS IV 55 2 4 10 Housing ASSY contact IV 56 2 4 11 PKG service MCU HANABI IV 57 2 5 Paper Feed of the Printer IV 58 2 5 1 Chute ASSY turn IV 58 2 5 2 Cover cassette IV 59 2 5 3 Feeder ASSY unit IV 60 2 5 4 Pickup ASSY IV 61 2 5 5 Roll ASSY feed IV 62 ...

Page 132: ...2 5 21 Roll ASSY IV 74 2 5 22 Cassette ASSY front IV 74 2 5 23 Holder retard IV 75 ...

Page 133: ... fuser ASSY start the service after the fuser ASSY and parts around it have cooled down WARNING Do not use force to prevent damage to parts WARNING Since a wide variety of screws are used be careful not to mistake their positions to prevent the screw holes WARNING Wear a wrist band or the like as far as possible to remove static electricity of the human body Turn the power OFF and remove the power...

Page 134: ... careful when working it not to get burning 1 Release latch B and open the chute ASSY out 2 Open the cover ASSY top print head cartridge 3 Release the 2 catches on top of the fuser ASSY 4 Remove the fuser ASSY from the printer Fig 4 1 Cover ASSY top print head cartridge Fuser ASSY ...

Page 135: ...s securing the transfer roll cartridge unit ASSY to the front ASSY in unlock and rotate the transfer roll cartridge unit ASSY rearwards 3 Extract the transfer roll cartridge unit ASSY forwards from the front ASSY in and remove Fig 4 2 Fig 4 3 Transfer roll cartridge unit ASSY Transfer roll cartridge unit ASSY ...

Page 136: ...he controller board 3 Holding the left and right knobs on the controller board pull out the controller board of the printer Note In replacing the controller board on the printer connect the connector at the leading end of controller board to the connector of the PKG SERVICE MCU HANABI Fig 4 4 Screw M4x7 5 Screw M4x7 5 Controller board ...

Page 137: ...t hand when you are facing the front of this laser printer Fig 4 5 Note The screws in the illustrations should be removed using a cross head screwdriver unless otherwise specified Note A black arrow in the illustrations indicate movement in the direction of the arrow Numbered black arrows indicate the order of the movement Note For the positions of the connectors P J refer to Chapter 7 Plug Jack P...

Page 138: ...and cover ASSY front head too far in the following process 2 Release the 4 hooks securing the cover ASSY front head to the front cover 3 Separate the cover ASSY front head a little from the front cover 4 Remove the connector from the console panel 5 Remove the connector from the fan assembly 6 Remove the cover ASSY front head from the front cover Fig 4 6 Cover ASSY front head ...

Page 139: ...1 2 Console panel 1 Release the 3 hooks securing the console panel to the cover ASSY front head 2 Remove the console panel from the cover ASSY front head Fig 4 7 Console panel Cover ASSY front head Bottom view ...

Page 140: ...om the holder lever out 4 Disconnect of the fan fuser 5 Release the 4 hooks securing the fan fuser the holder lever out 6 Remove the fan fuser from the holder lever out Note When replacing the fan fuser into the holder lever out the fan level should be face out and the harness should be aligned with the slot Fig 4 8 Fig 4 9 Lever out Holder lever out Holder lever out Fan fuser Screw M3x10 Top ...

Page 141: ...n the cover MSI 4 Repeat for the right hand side 5 Lower the front of the cover MSI unit the cover MSI releases from the printer Fig 4 10 2 1 5 Tray ASSY base 1 Check that the plate ASSY bottom MSI is shifted down 2 Remove the tray ASSY base by pushing inward lifting it upwards and pull it out forwards Fig 4 11 Tray ASSY base Cover MSI Tray ASSY base Plate ASSY bottom MSI ...

Page 142: ...g at the back of the cover ASSY front L 3 Remove 2 screws securing the cover ASSY front L to the chute ASSY out 4 Release the 2 hooks securing the cover ASSY front L to the chute ASSY out 5 Remove the cover ASSY front L from the chute ASSY out Fig 4 12 Fig 4 13 Cover ASSY front L Cover ASSY front L Rear view Screw M3x10 Link L ...

Page 143: ...her with the chute ASSY out 2 Remove 2 screws securing the cover ASSY front R to the front ASSY in 3 Pull out the cover ASSY front R slightly from the front ASSY in 4 Remove the top link R from the leaf spring at the back of the cover ASSY front R and remove the cover ASSY front R Fig 4 14 Fig 4 15 Cover ASSY front R Cover ASSY front R Link lever R Top view Screw M3x10 ...

Page 144: ...dge 2 Remove 2 screws securing the cover top main to the printer 3 Release the 4 hooks securing the cover top main to the printer 4 Raise the cover top main slightly from the printer and extract the left front edge of the cover top main deflecting it leftward 5 Remove the cover top main from the printer Fig 4 16 Screw M3x10 Cover top main ...

Page 145: ...r side L from the printer Fig 4 17 2 1 10 Cover ASSY top print head cartridge 1 Open the cover ASSY top print head cartridge 2 Extract the right and left stud top securing the cover ASSY top print head cartridge to the printer 3 Remove the cover ASSY top print head cartridge from the printer Fig 4 18 Cover ASSY top print head cartridge Stud top Stud top Screw tapping M3x8 Cover side L ...

Page 146: ...de R to the printer 2 Release the hook securing the cover side R at the front of the printer 3 Remove the cover side R from the printer Fig 4 19 2 1 12 Cover rear 1 Lift the cover rear slightly put it backwards and remove Fig 4 20 Cover side R Cover rear Screw tapping M3x8 ...

Page 147: ...h the spring link L 4 Remove the spring link L from the link L Fig 4 21 2 1 14 Link R 1 Remove the top of spring link R from the projection on the right side of the printer 2 Slide the link R rearward from the printer and align the shaft of the printer and the hole of the link R 3 Remove the link R from the printer together with the spring link R 4 Remove the spring link R from the link R Fig 4 22...

Page 148: ...ctor from left hand side of printer that connect to the chute ASSY out 3 Remove 3 connectors H J and 1 earth connector from the right hand side of the printer that connect to the chute ASSY out 4 Carefully remove the cables from the cable quickly taking note of the cable routing 5 Retake the paper feed roller to raise plate ASSY bottom MSI Fig 4 23 Chute ASSY out PWBA HNB DRV Chute ASSY out Right ...

Page 149: ...ivot from the chute ASSY out inward with radio pliers 8 Pull out the right shaft pivot from the chute ASSY out inward with radio pliers 9 Release latch A and pull the chute ASSY out complete with front ASSY in forwards to remove them from the printer 10 Remove the strap connecting chute ASSY out to front ASSY in Fig 4 24 11 Release latch B to separate the front ASSY in from the chute ASSY out Fig ...

Page 150: ...of the shaft 2 Move the shaft to the right to release the left end of the shaft and remove it Fig 4 26 2 2 3 Sensor photo full stack 1 Remove the connector on the sensor photo full stack 2 Release the 3 hooks securing the sensor photo full stack to the chute ASSY out 3 Remove the sensor photo full stack from the chute ASSY out Fig 4 27 Actuator full Sensor photo full stack 1 2 3 ...

Page 151: ...hing the front arm of the actuator DUP down slide the actuator DUP to the right and extract the left side shaft of the actuator DUP from the left side bush 4 Extract the actuator DUP from the chute ASSY out together with the spring SNR DUP 5 Remove the spring SNR DUP from the actuator DUP Fig 4 28 Fig 4 29 Cover actuator Spring SNR DUP Actuator DUP 2 1 3 ...

Page 152: ...g 4 30 2 2 6 Actuator MSI 1 Pushing down the plate bottom MSI on the chute ASSY out push the actuator MSI inward 2 Slide the actuator MSI leftward and remove the shaft from the right side of the actuator MSI 3 Remove the actuator MSI together with the spring sensor MSI 4 Remove the spring sensor MSI from the actuator MSI Fig 4 31 Sensor photo DUP Sensor photo MSI Spring sensor MSI Actuator MSI ...

Page 153: ...ensor photo MSI from the chute ASSY out Fig 4 32 2 2 8 Bracket ASSY eliminator 1 Remove 1 screw securing the bracket ASSY eliminator to the chute ASSY out 2 Raising the left end of the bracket ASSY eliminator upward pull out the bracket ASSY eliminator toward the left to remove from the chute ASSY out Fig 4 33 Sensor photo MSI Rear view Bracket ASSY eliminator Chute ASSY out Screw M3x10 ...

Page 154: ... securing the right end of the shaft to the chute ASSY out 5 Remove the roll DUP Fig 4 34 2 2 10 Latch out 1 Remove the spring latch out from the chute ASSY out 2 Release the 2 hooks securing the holder latch to the chute ASSY out 3 Slide the holder latch to the right to remove it from the chute ASSY out together with the latch out 4 Remove the latch out from the holder Fig 4 35 Chute ASSY out Rol...

Page 155: ...SY feed forwards Fig 4 36 2 2 12 Solenoid feed MSI 1 Release the hook of the spring sol from the convex portion on the stopper sol from the left side of the chute ASSY out 2 Remove the connector of the solenoid feed MSI from the chute ASSY out 3 Remove 1 screw securing the solenoid feed MSI to the chute ASSY out 4 Remove the solenoid feed MSI from the chute ASSY out Fig 4 37 Roll core MSI right Ro...

Page 156: ...ft from the chute ASSY out 3 Release the hook securing the gear MSI to the right of shaft MSI and remove the gear MSI from the chute ASSY out 4 Release the hooks of spring N F MSI from the left and right ends of shaft ASSY roll feed 5 Release the hook securing the cam MSI to the shaft MSI and move the cam MSI to the center Fig 4 38 Spring N F MSI Stopper sol cam Left Front Right Spring N F MSI Chu...

Page 157: ...ft When refitting the stopper sol cam ensure it is in the home position Fig 4 39 2 2 14 Plate ASSY bottom MSI 1 Remove 2 screws securing the plate out MSI to the chute ASSY out 2 Remove the plate out MSI from the chute ASSY out together with the plate ASSY bottom MSI 3 Remove the plate ASSY bottom MSI from the plate out MSI Fig 4 40 Shaft ASSY roll feed Bush MSI Bush MSI Plate ASSY bottom MSI Plat...

Page 158: ...e from the clips 2 Remove 2 screws securing the chute ASSY exit to the chute ASSY out 3 Pull out the chute ASSY exit from the left side surface of the chute ASSY out Note When replacing the chute ASSY exit be careful to avoid the actuator full on the chute ASSY out Fig 4 41 Left Chute ASSY exit Actuator full Screw M3x10 ...

Page 159: ... roll from the shaft of the roll exit 3 Remove the E ring from the shaft of the roll exit 4 Extract the bush earth from the shaft of the roll exit 5 Raise the right hand end of the shaft from the chute ASSY exit and pull out the roll exit upwards Fig 4 42 Roll exit Chute ASSY exit Bush earth Right Left Gear roll ...

Page 160: ...ove the gear roll from the shaft 3 Remove the E ring from the shaft of the roll MID 4 Extract the bush earth from the shaft of the roll MID 5 Remove the shaft of the roll MID from the chute ASSY exit and pull out the roll exit upwards Fig 4 43 Left Gear roll Chute ASSY exit Roll MID Bush earth Right ...

Page 161: ... of the chute ASSY exit 7 Remove 2 screws securing the motor ASSY DUP to the chute ASSY exit 8 Remove the motor ASSY DUP from the chute ASSY exit Fig 4 44 2 2 19 Holder ASSY CTD 1 Release the 4 hooks securing the holder ASSY CTD to the front ASSY in 2 Raise the holder ASSY CTD slightly from the front ASSY in and pull out the connector 3 Remove the holder ASSY CTD from the front ASSY in together wi...

Page 162: ... the hook at the lower part of the spring latch securing it to the hole on the right side of the front ASSY in 2 Release the hook securing the latch R to the front ASSY in 3 Pull out the latch R from the front ASSY in together with the shaft latch and the spring latch 4 Remove the spring latch from the latch R 5 Pull out the shaft latch from the latch R Fig 4 47 Sensor TNR full Front Front ASSY in...

Page 163: ...ve ASSY 1 Remove the screw securing the earth of the harness ASSY FSR to the fuser drive ASSY 2 Release the harnesses from the harness guides 3 Remove 3 screws securing the fuser drive ASSY to the front ASSY in 4 Remove the fuser drive ASSY from the front ASSY in Fig 4 49 Front ASSY in Latch L Front ASSY in Screw M3x8 Fuser drive ASSY Screw M3x8 Screw M3x6 Screw M3x8 ...

Page 164: ...2 connectors of the chute ASSY REGI from the printer 3 Remove 4 screws securing the chute ASSY REGI to the printer 4 Lift the left end of the chute ASSY REGI and pull out the chute ASSY REGI leftwards from the printer Note Take care not to damage the plastic film when refitting the chute ASSY REGI Fig 4 51 Housing ASSY ELEC Chute ASSY REGI Screw M3x10 Screw M3x10 ...

Page 165: ...GI from the chute ASSY REGI together with the spring sensor REGI 3 Remove the spring sensor REGI from the actuator REGI Fig 4 52 2 2 26 Sensor photo REGI 1 Release the 3 hooks securing the sensor photo REGI to the chute ASSY REGI 2 Remove the sensor photo REGI from the chute ASSY REGI 3 Remove the connector from the sensor photo REGI Fig 4 53 Spring sensor REGI Chute ASSY REGI Chute ASSY REGI Sens...

Page 166: ...e In the following steps take care not to lose the spring REGI R and spring REGI L as they will spring 4 Remove the spring REGI L from the right side of chute ASSY REGI using a mini screwdriver Remove the spring REGI R from the left side of the chute ASSY REGI Fig 4 54 5 From the left side of chute ASSY REGI remove the screw that secures the bracket ASSY 6 Remove the bush metal L black Fig 4 55 Sp...

Page 167: ... REGI metal together with the bush metal R white Fig 4 56 8 Release the 2 hooks on the bottom of chute ASSY REGI that secure the OHP sensor ASSY 9 Remove the OHP sensor ASSY from the chute ASSY REGI Fig 4 57 Roll REGI metal Chute ASSY REGI Sensor ASSY OHP Rear ...

Page 168: ...SSY retard to the printer 3 Remove the housing ASSY retard from the printer Fig 4 58 2 2 29 Clutch turn 1 Remove the E ring securing the clutch turn to the shaft of the housing ASSY retard 2 Remove the clutch turn from the shaft of the housing ASSY retard Fig 4 59 Housing ASSY retard Clutch turn Housing ASSY retard Screw M3x10 Screw M3x10 ...

Page 169: ...etard 4 Slide the roll turn from the housing ASSY retard rightward and pull out the roll turn left and upward Fig 4 60 2 2 31 Roll ASSY retard 1 Push back the rear edge of the holder ASSY retard from the housing ASSY retard and turn the holder ASSY retard to the rear 2 Sliding the holder ASSY retard rightward pull the left shaft of holder ASSY retard out of the bush bore in the housing ASSY retard...

Page 170: ...from the housing ASSY retard 4 Release the hook securing the shaft RTD to the holder ASSY retard of the printer Fig 4 62 5 Raise the shaft RTD to right upward and pull out the roll ASSY retard Fig 4 63 Holder ASSY retard Roll ASSY retard Holder ASSY retard ...

Page 171: ...sing ASSY retard together with the stud retard and spring retard 370 3 Remove the stud retard from the cap retard Fig 4 64 2 2 33 PWBA ASSY earth 1 Remove 2 screws securing the PWBA ASSY earth to the printer 2 Remove the PWBA ASSY earth from the printer Fig 4 65 Housing ASSY retard Stud retard Spring retard Cap retard PWBA ASSY earth ...

Page 172: ...the end of the cleaner to avoid the static electricity Note When removing the toner deposit on the holder toner cartridge ASSY be careful not to allow the toner to fly to the sensors on the holder toner cartridge ASSY by the static electricity Note Do not touch the sensor face 1 Remove the connector A of fan rear on the LVPS STD from the right side of the printer and release the cable assembly 2 R...

Page 173: ...ector block 7 Release the 2 hooks securing the gear slide to the shaft on the left side of the printer 8 Remove the gear slide from the printer 9 Remove the rack V from the printer Fig 4 67 10 Remove 7 screws securing the holder toner cartridge ASSY unit to the printer 11 Remove the holder toner cartridge ASSY unit from the printer Fig 4 68 S HVPS PWBA EFPROM Rack V Gear slide Toner cartridge ASSY...

Page 174: ...m the plate ASSY dispenser pull out the toner discharging unit rightwards 3 Disconnect the connector of the motor from the right hand side of the holder toner cartridge ASSY 1 4 Extract the toner empty and toner cartridge connectors from the holder toner cartridge ASSY 1 5 Release the harness from the hook at the bottom of the holder toner cartridge ASSY 1 6 Slide the holder toner cartridge ASSY 1...

Page 175: ...IV 43 Cyan Fig 4 71 Magenta Fig 4 72 Yellow Fig 4 73 Holder toner cartridge ASSY 3 Holder toner cartridge ASSY 2 Holder toner cartridge ASSY 1 Plate ASSY dispenser Toner discharge unit ...

Page 176: ...itch toner cartridge ASSY from the holder toner cartridge ASSY Fig 4 74 2 3 4 Sensor toner low 1 Remove 2 screws securing the sensor toner low to the holder toner cartridge ASSY 2 Remove the sensor toner low from the holder toner cartridge ASSY Fig 4 75 Switch toner cartridge ASSY Holder toner cartridge ASSY Left Holder toner cartridge ASSY Sensor toner low Screw tapping M3x8 ...

Page 177: ... securing the PWBA EEPROM 2 Remove the PWBA EEPROM from the printer Fig 4 76 2 3 6 S HVPS 1 Remove 4 screws securing the S HVPS 2 Remove the S HVPS from the printer Fig 4 77 PWBA EEPROM Left Left S HVPS Screw M3x6 Screw M3x6 Screw M3x6 Screw M3x6 ...

Page 178: ...lease the hook of the spring scanner securing the right and left shafts of the scanner ASSY from the printer 3 Remove 1 screw securing the scanner ASSY to the printer 4 Remove the scanner ASSY from the printer Fig 4 78 Spring scanner Spring scanner Scanner ASSY Screw M4x18 ...

Page 179: ...printer Fig 4 79 2 4 2 Lever drum L 1 Remove 4 screws securing the plate ASSY lever L from the left side of the printer 2 Remove the plate ASSY lever L from the printer 3 Release the hook of the spring lever 30N hitched over the convex portion of the 4 lever drum L from the right side of the printer Fig 4 80 HSG ASSY BIAS Spring lever 30N Spring lever 30N Plate ASSY lever L Screw M3x10 Screw M3x10...

Page 180: ...Note When replacing the link lever align the spring IDT L and the bottom of link lever L with the positions shown in the figure lever drum L replacement Fig 4 81 Note The lever drum L and link lever L must be fitted and aligned before refitting spring lever 30N Fig 4 82 Gear IDL press Gear press L Link lever L Lever drum L Gear IDL press Gear press L Link lever L ...

Page 181: ...e connector on the PWBA HNB DRV from the right side of the printer 2 Remove 4 screws securing the drive ASSY main to the printer 3 Remove the drive ASSY main from the printer Fig 4 83 Drive ASSY main Screw DT M4x10 Screw DT M4x10 Screw M3x6 ...

Page 182: ...ve the all connectors on the PWBA HNB DRV from the right side of the printer 2 Remove 4 screws securing the PWBA HNB DRV to the printer 3 Remove the PWBA HNB DRV from the printer Fig 4 84 PWBA HNB DRV Screw M3x6 Screw M3x6 Screw M3x6 ...

Page 183: ...he right side of the printer release the hook of the spring I R from the convex portion of the plate ASSY lever R 2 Release the hook securing the actuator I R to the shaft on the plate ASSY lever R 3 Remove the actuator I R from the plate ASSY lever R together with the spring I R 4 Remove the spring I R from the actuator I R Fig 4 86 Drive ASSY DEVE Actuator I R Screw DT M4x10 Screw DT M4x10 ...

Page 184: ...f the spring lever 30N hitched over the convex portion of the 4 lever drum R from the right side of the printer Fig 4 87 4 Remove the link lever R from the printer together with the spring lever 30N 5 Remove the lever drum R from the printer Fig 4 88 Spring lever 30N Spring lever 30N Plate ASSY lever R Gear IDL press Gear press R Link lever R Lever drum R Screw M3x10 Screw M3x10 ...

Page 185: ...3 Note When replacing the link lever R align the spring IDT R and the bottom of link lever L with the positions shown in the figure lever drum L replacement Fig 4 89 Link lever R Gear IDL press Gear press R ...

Page 186: ...ss from the guide harness SW 4 Release the 2 hooks securing the guide harness SW to the switch bracket on the LVPS STD 5 Remove the guide harness ASSY from the LVPS STD Fig 4 90 6 Remove 3 screws securing the LVPS STD to the printer 7 Remove the LVPS STD from the printer Fig 4 91 Clamp guide harness Guide harness SW Clamp guide harness LVPS Screw M3x6 Screw M3x10 Screw M3x6 ...

Page 187: ...canner ASSY from the right side of the printer 3 Remove the connector from the left side of the printer Fig 4 92 4 Remove 4 screws securing the box ASSY MCU ESS to the printer 5 Pull out the box ASSY MCU ESS rearward from the printer and remove Fig 4 93 Box ASSY MCU ESS Box ASSY MCU ESS Screw M3x6 Screw M3x6 Screw M3x6 ...

Page 188: ...IV 56 2 4 10 Housing ASSY contact 1 Remove the housing ASSY contact from the box ASSY MCU ESS 2 Pull out the housing ASSY contact from the box ASSY MCU ESS and remove it Fig 4 94 Housing ASSY contact ...

Page 189: ...ASSY MCU ESS 3 Remove the connectors on the PKG service MCU HANABI from the box ASSY MCU ESS Fig 4 95 4 Remove 6 screws securing the PKG service MCU HANABI to the box ASSY MCU ESS 5 Remove the PKG service MCU HANABI from the box ASSY MCU ESS Fig 4 96 Cover MCU PKG service MCU HANABI Screw M3x6 Screw M3x6 Screw M3x6 Screw M3x6 Screw M3x6 ...

Page 190: ...uring the chute ASSY turn to the printer feeder 2 The chute ASSY will hang ertically Fig 4 97 3 Release the hook securing the right and left shaft of the chute ASSY turn to the printer feeder 4 Pull out the chute ASSY turn from the printer feeder and remove Fig 4 98 Chute ASSY turn Chute ASSY turn ...

Page 191: ...IV 59 2 5 2 Cover cassette 1 Turning the cover cassette upward from the rear of the printer pull out the cover cassette upwards to remove it Fig 4 99 Cover cassette ...

Page 192: ...long screws securing the feeder ASSY unit to the printer CAUTION The top unit of the printer should be raised up by more than two people Note When removing the top unit of the printer from the feeder ASSY unit be careful not to drop or damage the upper part of the printer 7 Raise the printer and separate it from the feeder ASSY unit taking care not to damage the cables Note Take care not to trap t...

Page 193: ...he right hook of the feeder ASSY unit 2 Disconnect the harness from the size switch 3 Remove 2 screws securing the pickup ASSY to the feeder ASSY unit 4 Lift the pickup ASSY from the feeder ASSY unit Fig 4 101 Pickup ASSY Feeder ASSY unit Top view Screw M3x10 Screw M3x10 ...

Page 194: ...1 180 so that the rubber of the roll ASSY feed L and R faces downward from the printer feeder 2 Release the hook securing the roll ASSY feed L and R to the shaft feed 1 and remove the roll ASSY feeds Fig 4 102 Fig 4 103 Roll ASSY feed L Roll ASSY feed R ...

Page 195: ...e actuator no paper left and upward from the pickup ASSY Fig 4 104 2 5 7 Sensor photo No paper 1 Release the hooks at 3 positions securing the sensor photo no paper to the pickup ASSY 2 Remove the connector on the sensor photo no paper 3 Remove the sensor photo no paper from the pickup ASSY Fig 4 105 Actuator no paper Rear Top Front Rear Top Front Sensor photo no paper ...

Page 196: ...move the sensor photo low paper from the pickup ASSY Fig 4 106 2 5 9 Solenoid feed 1 Remove 1 screw securing the solenoid feed from the pickup ASSY 2 Separate the solenoid feed a little from the pickup ASSY and shift the harness of the solenoid feed 3 Remove the connector of the solenoid feed from the pickup ASSY Fig 4 107 Sensor photo low paper Solenoid feed Right view Rear Right ...

Page 197: ... the shaft on the right side shaft of the pickup ASSY 2 Pull out the stopper clutch from the shaft of pickup ASSY 3 Remove the connector of the clutch ASSY turn from the pickup ASSY 4 Pull out the clutch ASSY turn from the shaft Fig 4 108 Clutch ASSY turn Stopper clutch Rear Right ...

Page 198: ...oll ASSY turn to the pickup ASSY 5 Remove the bush metal securing the right shaft of the roll ASSY turn from the pickup ASSY 6 Remove the bush black securing the left shaft of the roll ASSY turn from the pickup ASSY 7 Slide the roll ASSY turn from the pickup ASSY Fig 4 109 2 5 12 Roll ASSY 1 Release the hook securing the roll ASSY to the shaft feed 2 2 Pull out the roll ASSY leftwards from shaft f...

Page 199: ... to the plate bottom Fig 4 111 2 Pull down the housing ASSY feeder L inward and extract the 3 hooks out of the hole at the plate bottom 3 Remove the housing ASSY feeder L upward from the plate bottom Fig 4 112 Housing ASSY feeder L Housing ASSY feeder L Front Left Screw M3x10 Screw M3x10 ...

Page 200: ...IV 68 2 5 14 Sensor HUM temp 1 Remove the screw securing the sensor HUM temp 2 Remove the harness ASSY TMPA Fig 4 113 Harness ASSY TMPA Sensor HUM temp Left Screw M3x10 ...

Page 201: ... plate bottom Fig 4 114 2 Pull down the housing ASSY feeder R inward and extract the 3 hooks out of the hole at the plate bottom 3 Remove the housing ASSY feeder R upward from the plate bottom Fig 4 115 Housing ASSY feeder R Right Front Housing ASSY feeder R Screw M3x10 Screw M3x10 Screw M3x10 ...

Page 202: ... ASSY OPFREC to the housing ASSY feeder R 3 Pull out the harness ASSY OPFREC downward from the housing ASSY feeder R Fig 4 116 2 5 17 Switch ASSY size 1 Remove 1 screw securing the switch ASSY size to the housing ASSY feeder R 2 Remove the switch ASSY size from the housing ASSY feeder R Fig 4 117 Right Top view Rear Harness ASSY OPFREC Switch ASSY size Screw M3x10 ...

Page 203: ...e tip of the indicator with radio pliers and pull the indicator frontward and remove from the housing ASSY feeder R of the feeder ASSY unit Note Hold the guide indicator when replacing the indicator Fig 4 118 Guide indicator Indicator ...

Page 204: ... the housing ASSY feeder R together with the spring indicator and shaft indicator 3 Pull out the guide indicator from the shaft indicator Note Put the leading end of lever low paper on a left convex portion of the guide indicator when replacing the guide indicator Fig 4 120 Holder shaft Lever low paper Guide indicator Shaft indicator Spring indicator ...

Page 205: ...g ASSY feeder R upside down 2 Push the support pillow to the left and release the lever low paper shaft Fig 4 121 3 Remove the lever low paper from the housing ASSY feeder R Fig 4 122 Lever low paper Housing ASSY feeder R Left view Lever low paper ...

Page 206: ...t retard Fig 4 123 2 5 22 Cassette ASSY front 1 Release the bottom and top hook securing the cassette ASSY front from the right side of the cassette using a mini screwdriver or the like 2 Release the bottom and top hook securing the cassette ASSY front from the left side of the cassette using a mini screwdriver or the like 3 Pull out the cassette ASSY front from the cassette Fig 4 124 Roll ASSY Co...

Page 207: ... groove of the holder retard from the cassette 3 Release the hook securing the top portion of the holder retard from the cassette and move the holder retard leftward Fig 4 125 4 Pull out the right end of the holder retard slightly from the cassette and extract the holder retard and remove Fig 4 126 Holder retard Spring retard Clutch ASSY friction Holder retard ...

Page 208: ...CHAPTER V TROUBLESHOOTING ...

Page 209: ...4 7 ESS Diagnosis V 43 4 8 IOT Diagnosis V 44 4 8 1 Digital input test V 45 4 8 2 Digital output test V 46 4 8 3 NVM read write V 49 4 8 4 NVM information print V 50 4 8 5 NVM information save V 50 4 8 6 NVM information load V 50 4 9 Installation Setting V 51 4 10 Test Print V 52 4 11 Parameter Setting V 53 4 11 1 Parameter setting display V 53 4 11 2 Parameter list print V 54 4 12 Information Pri...

Page 210: ...6 Registration V 71 9 7 Guaranteed Printing Area V 72 10 TEST PRINT V 73 10 1 Test print V 73 11 IMAGE QUALITY FIP V 74 11 1 Notes on Image Quality Trouble Check V 74 11 2 Basic Rule of Image Quality Adjustment V 74 11 3 Troubleshooting Table by Trouble Phenomena V 75 ...

Page 211: ...lacing parts check in advance that the connectors are connected securely When replacing parts turn the power off If there are several troubles you may refer to the same FIP again Note that the judgment may differ in the middle even when the FIP is identical WARNING When the power is on do not touch the parts listed below You may receive an electrical shock HVPS LVPS WARNING When the power is on do...

Page 212: ...edure turn the Main power switch to off and unplug power cord from the outlet Otherwise your may receive an electric shock or get injured Power on Main power switch is on Power on off Turn the main power switch off and on again immediately Execute DO 10 Enter diagnostic code DO 10 Exit DO 10 Exit diagnostic code DO 10 5VDC H level 4 1 to 5 6VDC L level 0 3 to 1 2VDC 24VDC H level 21 8 to 25 8VDC L...

Page 213: ...to Section 3 Image Quality RAPS to perform the corresponding Image Quality FIP Turn power off on Is trouble content displayed on control panel Print in the mode where the trouble occurred Is trouble content displayed on control panel Refer to 1 3 1 Fail Code List to perform the corresponding action Execute the corresponding troubleshooting Refer to Section 9 BSD to perform the corresponding troubl...

Page 214: ...sensor error FIP 2 8 7 2 8 8 009 342 Turn OFF the Power IOT Low Density Error Toner density is low Power off on See low density error FIP 2 8 7 2 8 8 010 317 Turn OFF the Power IOT Fuser Detached Detected that the fuser ASSY is not mounted Power off on See fuser detached FIP 2 9 1 2 9 6 010 350 Turn OFF the Power IOT Fuser Failure 1 Temperature exceeding 235 C detected consecutively 4 times 2 Temp...

Page 215: ...e Power ESS ROM Check Main Fail Main program ROM checksum error Power off on 2 3 1 2 3 3 016 310 Turn OFF the Power ESS Font ROM Error Main Internal font ROM checksum error Power off on 2 3 1 2 3 3 016 315Turn OFF the Power ESS On Board RAM W R Check Fail Detected by RAM W R check at initialize Power off on 2 3 1 2 3 3 016 316 Turn OFF the Power ESS RAM DIMM W R Check Fail Detected by standard RAM...

Page 216: ... 2 3 3 016 333 Turn OFF the Power NIC Flash ROM Application Module Checksum Error Power off on 2 3 1 2 3 3 016 334 Turn OFF the Power NIC MAC Address Checksum Error Power off on 2 3 1 2 3 3 016 335Turn OFF the Power NIC Ethernet BIST parity RAM R W Error Power off on 2 3 1 2 3 3 016 336 Turn OFF the Power NIC Internal Loopback Error Power off on 2 3 1 2 3 3 016 340 Turn OFF the Power On Board Netw...

Page 217: ... the specified area on NVM Perform usual startup by Key On to initialize NVM 2 3 1 2 3 3 Duplex Jam Open B Cover IOT Duplex JAM Duplex jam sensor cannot detect passage of paper within specified time Remove the jammed paper See duplex JAM FIP 2 9 4 2 9 6 Fuser Jam Open A B Cover IOT Fuser JAM Exit sensor cannot detect passage of paper within specified time Remove the jammed paper See fuser JAM FIP ...

Page 218: ...transfer roll cartridge unit ASSY is not mounted Insert transfer roll cartridge unit ASSY See transfer roll cartridge detached FIP 2 8 7 2 8 8 Set Print Head Cartridge IOT print head cartridge E Detached Detected that the print head cartridge ASSY is not mounted Insert print head cartridge ASSY See print head cartridge detached FIP 2 3 2 2 3 3 Replace Xxxxx Toner X IOT X Toner Empty Toner empty de...

Page 219: ...head cartridge ASSY See CRUM ID error FIP 2 3 2 2 3 3 Clean Up CTD Sensor IOT CTD Sensor Dustiness ADC sensor ASSY signal level below the specified value Clean ADC sensor ASSY See CTD sensor dustiness FIP 2 8 7 2 8 8 Close Front Cover IOT Front Cover Open Font cover is open Close the front cover See front cover FIP 2 1 1 2 1 2 Empty Exit Tray IOT Standard Stacker Full Exit tray is full Remove outp...

Page 220: ...rent in size when auto paper feeding is selected All tray size mismatch The specified tray is empty when a paper tray is specified Specified tray empty Paper loaded in the specified tray is different from the size specified in the job when a paper tray is specified Specified tray size mismatch Load the specified paper in the tray N indicates the tray no XX indicates paper size 2 6 1 2 6 2 2 6 3 2 ...

Page 221: ...t key The processing will continue Job is cleared PDF Error u Please Press Set PDF Error Press the set key The processing will continue Job is cleared PDF Extract Error Please Press Set PDF Compression Error Press the set key The processing will continue Job is cleared PDF Wrong Passwd Please Press Set PDL Password Error Press the set key The processing will continue Job is cleared Operation Error...

Page 222: ...int Need Replacement Transfer Roll Transfer roll cartridge Life Warning Transfer roll cartridge unit ASSY is near the end of its life No action required See transfer roll cartridge life over FIP CRU Warining Ready to Print Need Replacement Print Head Cart Print head cartridge Life Warning Print head cartridge ASSY is near the end of its life No action required See print head cartridge life over FI...

Page 223: ... level is low in the X cassette No action required Tray1 paper near empty FIP Tray2 paper near empty FIP See Tray3 paper near empty FIP Ready to Print ServiceCallJJXXXXXXX ERU Warning Fuser ASSY is near the end of its life No action required See fuser life over FIP ERU Warning ＸＸＸＸＸＸＸ indicates ERU No 1 Fuser unit ...

Page 224: ...PIN P J165 2PIN 0VDC Go to step 6 Replace LVPS 6 Checking drive PWB for signal Print 1 sheet Is P J61 3PIN P J61 7PIN 0VDC Go to step 7 Replace harness ASSY LVNC 7 Checking DRIVE PWB for signal Print 1 sheet Is P J42 12PIN P J42 14PIN 0VDC Go to step 8 Replace drive PWB 8 Checking MCU and HVPS PWB for signal Print 1 sheet Is P J12 19PIN P J12 17PIN 0VDC Replace MCU and HVPS PWB Replace harness ASS...

Page 225: ... J42 30PIN P J42 14PIN 0VDC Go to step 18 Replace drive PWB 18 Checking MCU and HVPS PWB for signal Print 1 sheet Is P J12 1PIN P J12 17PIN 0VDC Replace MCU and HVPS PWB Replace harness ASSY DRV2 19 Checking harness ASSY DUP for continuity Is J50 J137 continuous normally Go to step 20 Replace harness ASSY DUP 20 Checking fuser fan Check if an error occurs though the fuser fan was replaced with a n...

Page 226: ...tinuity Is J15 P151 continuous normally Replace scanner ASSY Replace harness ASSY scanner KA 009 340 CTD Sensor Error FIP Remedy Step Check Yes No 1 Initial setting Check the following for evidence of fault ADC sensor ASSY replacing condition Replace the parts concerned Go to step 2 2 Checking harness ASSY CTD for continuity Is J136 J1361 continuous normally Go to step 3 Replace harness ASSY CTD 3...

Page 227: ...hough the transfer roll cartridge ASSY was replaced with a new one Go to step 6 End of work 6 Checking print head cartridge ASSY Check if an error occurs though the print head cartridge ASSY was replaced with a new one Go to step 7 End of work 7 Checking ADC sensor ASSY Check if an error occurs though the ADC sensor ASSY was replaced with a new one Replace MCU and HVPS PWB End of work 010 317 Fuse...

Page 228: ...medy Step Check Yes No 1 Checking NVM Does the error occur even if the fuser counter is cleared Replace MCU and HVPS PWB End of work 010 354 Environment Sensor Error FIP Remedy Step Check Yes No 1 Initial setting Check the following for evidence of fault HUM TEMP sensor replacing condition Replace the parts concerned Go to step 2 2 Checking harness ASSY TMPA for signal Is P J2361 1PIN P J2361 2PIN...

Page 229: ... error occurs though the sensor was replaced with a new one Go to step 7 End of work 7 Checking DUP motor for operation Check if the sheet is reversed when printing 1 sheet in the duplex mode Go to step 13 Go to step 8 8 Checking DUP motor Does DUP motor function normally Using DUP motor diagnostic tool check by digital output test In the test close the interlock SW Go to step 13 Go to step 9 9 Ch...

Page 230: ...inuous normally Go to step 6 Replace harness ASSY FSR2 6 Checking harness ASSY front 1A for continuity Is P138 J13 continuous normally Go to step 7 Replace harness ASSY Front 1A 7 Checking fuser ASSY Check if an error occurs though the fuser ASSY was replaced with a new one Go to step 9 End of work 8 Checking fuser motor for operation Does the fuser motor run when printing 1 sheet Check the gears ...

Page 231: ...ck by digital output test In the test close the interlock SW Go to step 9 Go to step 7 7 Checking clutch REGI for resistance value Remove the clutch connector J18 Is J18 4PIN J18 5PIN less than 200Ω Go to step 8 Replace chute REGI 8 Checking MCU and HVPS PWB for signal Close the interlock SW Is P18 4PIN P18 2PIN 24VDC Go to step 9 Replace MCU and HVPS PWB 9 Checking chute REGI Does the roll rotate...

Page 232: ...present SW 1PIN P J60 2PIN SW 2PIN P J60 2PIN Replace deive PWB Go to step 11 11 Checking drive PWB for power supply Is P J60 1PIN P J60 2PIN 24VDC Replace deive PWB Go to FIP DC 12 Checking drive PWB for power supply Is P J61 8PIN P J61 7PIN 5VDC Go to step 13 Go to step 14 13 Checking drive PWB for power supply Is P J61 6PIN P J61 5PIN 3 3VDC Go to step 15 Go to step 14 14 Checking harness ASSY ...

Page 233: ...st close the interlock SW Check the spring and stopper of tray1 feed solenoid for disengagement Go to step 24 24 Checking drive PWB for signal Is P J47 11PIN P J60 2PIN 24VDC Go to step 25 Replace drive PWB 25 Checking harness ASSY FDR for continuity Check the following for continuity J47 11PIN P474 2PIN J47 12PIN P474 1PIN Go to step 26 Replace harness ASSY FDR 26 Checking tray1 feed solenoid for...

Page 234: ...gnostic tool check by digital output test In the test close the interlock SW Check the spring and stopper of MSI feed solenoid for disengagement Go to step 33 33 Checking MSI feed solenoid for resistance value Remove J132 from MSI feed solenoid Is J132 1PIN J132 2PIN less than 100Ω Go to step 34 Replace MSI feed solenoid 34 Checking harness ASSY front 2 for continuity Check the following for conti...

Page 235: ...lowing for evidence of fault Cartridge replacing condition Toner cartridge switch ASSY Y replacing condition Toner cartridge switch ASSY Y actuator Replacing condition Toner cartridge switch ASSY Y connector replacing condition Replace the parts concerned Go to step 2 2 Checking toner cartridge switch ASSY Does toner cartridge switch ASSY function normally Using diagnostic tool check by digital in...

Page 236: ...ly Using diagnostic tool check by digital input test Replace MCU and HVPS PWB Go to step 3 3 Checking drive PWB for signal Is P J51 13PIN P J51 14PIN 0VDC Go to step 7 Go to step 4 4 Checking toner cartridge switch ASSY M for signal Is P J432 2PIN P J432 1PIN 0VDC Go to step 6 Go to step 5 5 Checking toner cartridge switch ASSY M for continuity Is P432 2PIN P432 1PIN of toner cartridge switch ASSY...

Page 237: ...51 30PIN 0VDC Go to step 7 Go to step 4 4 Checking toner cartridge switch ASSY C for signal Is P J433 2PIN P J433 1PIN 0VDC Go to step 6 Go to step 5 5 Checking toner cartridge switch ASSY C for continuity Is P433 2PIN P433 1PIN of toner cartridge switch ASSY C continuous normally Go to step 6 Replace toner cartridge switch ASSY C 6 Checking harness ASSY TNR for continuity Is J51 J433 continuous n...

Page 238: ...J51 32PIN 0VDC Go to step 7 Go to step 4 4 Checking toner cartridge switch ASSY K for signal Is P J434 2PIN P J434 1PIN 0VDC Go to step 6 Go to step 5 5 Checking toner cartridge switch ASSY K for continuity Is P434 2PIN P434 1PIN of toner cartridge switch ASSY K continuous normally Go to step 6 Replace toner cartridge switch ASSY K 6 Checking harness ASSY TNR for continuity Is J51 J434 continuous ...

Page 239: ...g transfer roll cartridge ASSY Check if an error occurs though the transfer roll cartridge ASSY was replaced with a new one Replace MCU and HVPS PWB End of work Print Head Cartridge Detached FIP Remedy Step Check Yes No 1 Initial setting Check the following for evidence of fault Print head cartridge ASSY replacing condition PWBA CRUM in print head cartridge ASSY replacing condition Replace the par...

Page 240: ...ne Go to step 6 End of work 6 Checking harness ASSY DRV2 for continuity Is J12 23 J42 8 continuous normally Go to step 7 Replace harness ASSY DRV2 7 Checking toner motor Does toner motor function normally Using toner motor check by digital output test In the test close the interlock SW Check the toner stirring auger or gear for damage Go to step 8 8 Checking drive PWB for signal Is P J51 1 P J60 2...

Page 241: ...one Go to step 6 End of work 6 Checking harness ASSY DRV2 for continuity Is J12 22 J42 9 continuous normally Go to step 7 Replace harness ASSY DRV2 7 Checking toner motor Does toner motor function normally Using toner motor check by digital output test In the test close the interlock SW Check the toner stirring auger or gear for damage Go to step 8 8 Checking drive PWB for signal Is P J51 6 P J60 ...

Page 242: ...ne Go to step 6 End of work 6 Checking harness ASSY DRV2 for continuity Is J12 21 J42 10 continuous normally Go to step 7 Replace harness ASSY DRV2 7 Checking toner motor Does toner motor function normally Using toner motor check by digital output test In the test close the interlock SW Check the toner stirring auger or gear for damage Go to step 8 8 Checking drive PWB for signal Is P J51 19 P J60...

Page 243: ...nd of work 6 Checking harness ASSY DRV2 for continuity Is J12 24 J42 7 continuous normally With tool go to step 7 Without tool go to step 8 Replace harness ASSY DRV2 7 Checking toner motor Does toner motor function normally Using toner motor check by digital output test In the test close the interlock SW Check the toner stirring auger or gear for damage Go to step 8 8 Checking PWBA DRV3 for signal...

Page 244: ...harness ASSY TFLSNS 6 Checking transfer roll cartridge ASSY Check if an error occurs though the transfer roll cartridge ASSY was replaced with a new one Replace MCU and HVPS PWB End of work Print Head Cartridge Life Over FIP Remedy Step Check Yes No 1 Initial setting Check the following for evidence of fault Print head cartridge ASSY replacing condition PWBA CRUM in print head cartridge ASSY repla...

Page 245: ...n error occurs though the print head cartridge ASSY was replaced with a new one Replace MCU and HVPS PWB End of work CTD Sensor Dustiness FIP Remedy Step Check Yes No 1 Initial setting Check the following for evidence of fault Transfer roll cartridge ASSY replacing condition ADC sensor ASSY replacing condition Replace the parts concerned Go to step 2 2 Checking harness ASSY CTD for connection Is t...

Page 246: ... and HVPS PWB Replace drive PWB Full Stack FIP Remedy Step Check Yes No 1 Initial setting Check the following for evidence of fault Full stack sensor replacing condition actuator replacing condition Replace the parts concerned Go to step 2 2 Checking full stack sensor Does full stack sensor function normally Full stack sensor using diagnostic tool check by Digital Input Test Replace MCU and HVPS P...

Page 247: ...s the result meet the combination table P J42 16PIN P J42 15PIN P J42 17PIN P J42 15PIN P J42 18PIN P J42 15PIN Replace MCU and HVPS PWB Replace drive PWB Tray1 Paper Near Empty FIP Remedy Step Check Yes No v Initial setting Check the following for evidence of fault Tray1 low paper sensor replacing condition Sensor actuator replacing condition Replace the parts concerned Go to step 2 2 Does the er...

Page 248: ...ng feeder PWB for signal Is P J82 8PIN P J82 9 5VDC Replace tray2 low paper sensor Replace feeder PWB Tray3 Paper Near Empty FIP Remedy Step Check Yes No 1 Initial setting Check the following for evidence of fault Tray3 low paper sensor replacing condition Sensor actuator replacing condition Replace the parts concerned Go to step 2 2 Does the error occur even if the paper is added Go to step 3 End...

Page 249: ...on adjustment data at parameter setting for determination 4 2 Entering Diag C E Mode 1 Turn the power on while pressing the and buttons together 2 Enter the password Password Press the button twice and the Form Feed Set button 4 3 Exiting Diag C E Mode 1 Stop the current diagnosis 2 Press the Job Cancel Back button to return to the top of the diagnostic menu 3 Select CE Maintenance Complete with t...

Page 250: ...diagnosis and return to the upper menu press the Job Cancel Back button Example of operation for Digital Input Test DI 31 REGI SENSOR S C S C M S CE Maintenance CE Maintenance CE Maintenance CE Maintenance CE Maintenance CE Maintenance CE Maintenance ESS Diag IOT Diag IOT Diag Digital Input Digital Input DI 1 OFF DI 2 OFF DI 13 H 1 DI 31 OFF DI 32 OFF DI 55 OFF Digital Input Digital Input Digital ...

Page 251: ...y M to B Count copy B to M NVM Init JOB LOG Init No Image IOT H Patt 600 IOT Grid 2 ESS Cyan 20 ESS Magenta 20 ESS Yellow 20 ESS Black 20 ESS Continued the down page Complete Installation Set Test print Digital Input Digital Output NVM Settings Power Save Mode NVM Edit NVM Save NVM Load NVM Print Info Col Print Count Configuration Dip Switch 3 Dip Switch 2 Dip Switch 1 Dip Switch 0 B W Print Count...

Page 252: ... to C Scan Regi K to M Scan Regi K to Y Scan Regi K to C Scan Regi MP Scan Regi Tray 1 Scan Regi Tray 2 Scan Regi Tray 3 Scan Regi Duplex Life Y Toner Life M Toner Life C Toner Life K Toner Life BTR 1 Life Transfer Roll Cartridge 1 Life BTR 2 Life Transfer Roll Cartridge 2 Life Fuser Life Printer Life Head Sheet Life Head Time Life Head Y Disp Life Head M Disp Life Head C Disp Life Head K Disp Pri...

Page 253: ... test 7 Press the Job Cancel Back button to return to the previous screen Diagnostic items Item Description Normal Diag Executes a diagnosis in Normal mode CodeROM Test Calculates the ROM checksum and compares it with the stored value FontROM Test Calculates the font ROM checksum and compares it with the stored value EEPROM Test Writes reads and verifies the EEPROM diagnostic area DRAM Test Perfor...

Page 254: ...d Set Ready Error SET display Menu Ready Error MENU display Job Cancel Back Ready Error STOP display and together End of test End of test Not lit Lit 4 8 IOT Diagnosis Function Executing an IOT related diagnosis Diagnostic items Item Description Digital Input test Performs a digital input component test Digital Output test Performs a digital output component test Power save mode Performs Power sav...

Page 255: ... and return to the IOT Diag Digital Input display Digital input test code table Menu No Part signal name Test method Reference BSD DI 0 FULL STACK SENSOR Block and unblock the sensor with an actuator 2 9 4 DI 1 DUP JAM SENSOR Block and unblock the sensor with an actuator 2 9 4 DI 2 Exit Sensor FUSER ASSY Block and unblock the sensor with an actuator 2 9 1 DI 3 REGI SENSOR Block and unblock the sen...

Page 256: ...ck the sensor with paper 2 8 6 DI 34 NO Tray Module Connect and disconnect the tray module 2 7 4 8 2 Digital output test Function Activating a solenoid clutch motor or other parts Capable of activating two or more parts simultaneously Parallel execution Operation procedure 1 Enter the Diag C E mode 2 Select CE Maintenance IOT Diag with the and buttons 3 Press the Form Feed Set button to advance to...

Page 257: ...e in normal mode 2 9 5 DO 7 DUP MOTOR ASSY REVERSE HALF SPEED WARNING CAUTION Check by hearing and visually that the motor rotates counterclockwise in half speed mode 2 9 5 DO 8 DUP MOTOR ASSY REVERSE DOUBLE SPEED WARNING CAUTION Check by hearing and visually that the motor rotates counterclockwise in double speed mode 2 9 5 DO a DEVE DRIVE ASSY NORMAL SPEED WARNING CAUTION Check by hearing and vi...

Page 258: ...O 28 TRAY1 FEED SOLENOID Check by hearing that the solenoid operates 2 7 1 DO 30 HTC ON WARNING CAUTION 2 8 1 DO 32 DEVE BIAS AC ON WARNING CAUTION 2 8 2 DO 34 DEVE BIAS DC Y ON WARNING CAUTION 2 8 2 DO 36 DEVE BIAS DC M ON WARNING CAUTION 2 8 2 DO 38 DEVE BIAS DC C ON WARNING CAUTION 2 8 2 DO 3a DEVE BIAS DC K ON WARNING CAUTION 2 8 2 DO 3c IDT1 PLUS ON WARNING CAUTION 2 8 6 DO 3e IDT1 MINUS ON W...

Page 259: ...d Set button 3 Go advance to NVM Edit with and buttons and press the Form Feed Set button 4 Select a necessary item for the address section Ad with the and buttons The NWM data is read and two to four items are displayed from the input address Press the or button to moves the cursor to the left or right 5 Change the numeric value at the desired data section with the buttons If the data section is ...

Page 260: ...ion into MCU Operation procedure 1 Enter the Diag C E mode 2 Select IOT Diag with the and buttons and press the Form Feed Set button Go advance to NVM Load with the and buttons and press the Form Feed Set button to display the Confirm Initialize screen Press the Job Cancel Back button to cancel 3 When the Form Feed Set button is pressed the NVM information is loaded and the following screen is dis...

Page 261: ...e of the color print counter B W Print Count Displays the current value of the monochrome print counter Tot Print Count Displays the current value of the total print counter Backup Col Count Displays the current value of the backup color counter Backup B W Count Displays the current value of the backup monochrome counter Backup Tot Count Displays the current value of the backup total counter Col E...

Page 262: ...enance Test Print 4 Select a test print pattern with the and buttons For the test print patterns refer to the table below 5 Press the Form Feed Set button to determine the test print pattern 6 Press the Form Feed Set button again to execute test printing The LCD panel displays Processing 7 After outputting the test print the printer becomes Ready to Print state The LCD panel displays Ready Test pr...

Page 263: ...een 6 Select setting data from the setting range with the and buttons 7 Press the Form Feed Set button to write the setting data into NVM Example Post change screen 8 When displaying and setting each life have the life item displayed and press the Form Feed Set button Example Life Fuser display screen 9 Press the Form Feed Set button to display data decimal Setting display parameters Item Range De...

Page 264: ... Parameter List Serial No 00000 Registration Adjust Slow Scan Paper from Black 0 Registration Adjust Slow Scan 600dpi Magenta from Black 6 Yellow from Black 4 Cyan from Black 1 Registration Adjust Slow Scan 1200dpi Magenta from Black 11 Yellow from Black 9 Cyan from Black 1 Registration Adjust Fast Scan Magenta from Black 1 Yellow from Black 3 Cyan from Black 3 Life Counters Yellow Toner Dispense ...

Page 265: ...parameters Print items Item Description Config page Outputs printer configuration information Print Settings Outputs setting information from the control panel Setting print sample HL 4000CN MCU Config page Serial No 00000 Optional Products Status Auxiliary Cassette ROM Revision NO V 0 75 0 Machine Revision V 0 75 19 HL 4000CN DIAG Settings Page Serial No 00000 Serial No 000000 Counter Display Swi...

Page 266: ...and driving parts 2 Short two pins of the test print connector P31 on the MCU AND HVPS PWB Reference To short two pins make the screwdriver tip touch the two pins 3 The printer transits to the READY mode and starts the printing Printing is carried out continuously in the Duplex mode 4 To stop the printing remove the screwdriver to release the short of two pins Note The paper is fed from the tray 1...

Page 267: ... print pattern is lattice patterns composed of black K cyan C magenta M and yellow Y patterns in this order every 128 dots in vertical and horizontal directions Black K Yellow Y Cyan C Magenta M 128dot 128dot Approx 2mm Approx 2mm Fig 5 8 ...

Page 268: ...M and K 12 8 00 0 Side regi between Y and K 12 9 00 0 Side regi between C and K 12 A 00 0 Side regi between paper and K MSI 0 17mm 12 B FB 251 Side regi between paper and K TRAY1 0 17mm 12 C FB 251 Side regi between paper and K TRAY2 0 17mm 12 D FB 251 Side regi between paper and K TRAY3 0 17mm 12 E 00 0 Side regi between paper and K Duplex 0 17mm 12 10 00 0 0 Dispensed time Y L 12 11 00 0 Dispens...

Page 269: ...int temperature 12 37 80 128 80000 Fuser PV WARNING L 12 38 38 56 Fuser PV WARNING M 12 39 01 1 Fuser PV WARNING H 12 3A D4 212 6100 Dispensed time Y LIMIT L 12 3B 17 23 Dispensed time Y LIMIT H 12 3C D4 212 6100 Dispensed time M LIMIT L 12 3D 17 23 Dispensed time M LIMIT H 12 3E D4 212 6100 Dispensed time C LIMIT L 12 3F 17 23 Dispensed time C LIMIT H 12 40 C2 194 6850 Dispensed time K LIMIT L 12...

Page 270: ...ensed time K CRUM LIMIT H 12 5E C0 192 24000 PV CRUM WARNING L 12 5F 5D 93 PV CRUM WARNING M 12 60 00 0 PV CRUM WARNING H 12 61 B1 177 289457 Motor rotate time CRUM WARNING L 12 62 6A 106 Motor rotate time CRUM WARNING M 12 63 04 4 Motor rotate time CRUM WARNING H 12 64 40 64 65600 Dispensed time Y CRUM WARNING L 12 65 00 0 Dispensed time Y CRUM WARNING M 12 66 01 1 Dispensed time Y CRUM WARNING H...

Page 271: ...r H High Gloss 14 15 00 0 Thick paper H High Gloss 14 1B 05 5 Color balance adjustment Y 14 1C 05 5 Color balance adjustment M 14 1D 05 5 Color balance adjustment C 14 1E 05 5 Color balance adjustment K 14 1F 05 5 Density adjustment YMCK 14 20 F9 249 Color balance adjustment 0 14 21 FA 250 Color balance adjustment 1 14 22 FB 251 Color balance adjustment 2 14 23 FC 252 Color balance adjustment 3 14...

Page 272: ...3D 02 2 Density adjustment Vcf 7 14 3E 03 3 Density adjustment Vcf 8 14 3F 04 4 Density adjustment Vcf 9 14 40 05 5 Density adjustment Vcf 10 14 41 00 0 Density adjustment PCDC_Th Y 0 14 42 00 0 Density adjustment PCDC_Th Y 1 14 43 00 0 Density adjustment PCDC_Th Y 2 14 44 00 0 Density adjustment PCDC_Th Y 3 14 45 00 0 Density adjustment PCDC_Th Y 4 14 46 00 0 Density adjustment PCDC_Th Y 5 14 47 ...

Page 273: ...ity adjustment PCDC_Th C 9 14 61 00 0 Density adjustment PCDC_Th C 10 14 62 00 0 Density adjustment PCDC_Th K 0 14 63 00 0 Density adjustment PCDC_Th K 1 14 64 00 0 Density adjustment PCDC_Th K 2 14 65 00 0 Density adjustment PCDC_Th K 3 14 66 00 0 Density adjustment PCDC_Th K 4 14 67 00 0 Density adjustment PCDC_Th K 5 14 68 00 0 Density adjustment PCDC_Th K 6 14 69 00 0 Density adjustment PCDC_T...

Page 274: ...ion 15 0 00 0 UserData1 15 1 00 0 UserData2 15 2 00 0 UserData3 15 3 00 0 UserData4 15 4 00 0 UserData5 15 5 00 0 UserData6 15 6 00 0 UserData7 15 7 00 0 UserData8 15 8 00 0 UserData9 15 9 00 0 UserData10 15 A 00 0 UserData11 15 B 00 0 UserData12 15 C 00 0 UserData13 15 D 00 0 UserData14 18 Cleaner 1 Address Set value Higher Lower Hex Dec Description 18 50 30 48 Cleaning interval 0 0 4095 18 51 20...

Page 275: ... Temperature table Plain Paper Low Small 10 Half speed 25 39 30 48 Temperature table Plain Paper High Large 00 Half speed 25 3A 38 56 Temperature table Plain Paper High Middle 01 Half speed 25 3B 40 64 Temperature table Plain Paper High Small 10 Half speed 25 3C 32 50 Temperature table Bond Paper Low Large 00 Half speed 25 3D 3A 58 Temperature table Bond Paper Low Middle 01 Half speed 25 3E 42 66 ...

Page 276: ... table Thick paper 2 Heavy weight Middle 01 Half speed 25 4D 54 84 Temperature table Thick paper 2 Heavy weight Small 10 Half speed 25 4E 56 86 Temperature table Transparencies 00 Half speed 25 4F 58 88 Temperature table Envelope 00 Half speed 25 50 5A 90 Temperature table Postcards 00 Half speed 25 Fuser 3 Address Set value Higher Lower Hex Dec Description 27 49 00 0 U4 previous U4 0 0 0 27 4A 00...

Page 277: ...E6 23 17 75 4B 127 7F 179 B3 231 E7 24 18 76 4C 128 80 180 B4 232 E8 25 19 77 4D 129 81 181 B5 233 E9 26 1A 78 4E 130 82 182 B6 234 EA 27 1B 79 4F 131 83 183 B7 235 EB 28 1C 80 50 132 84 184 B8 236 EC 29 1D 81 51 133 85 185 B9 237 ED 30 1E 82 52 134 86 186 BA 238 EE 31 1F 83 53 135 87 187 BB 239 EF 32 20 84 54 136 88 188 BC 240 F0 33 21 85 55 137 89 189 BD 241 F1 34 22 86 56 138 8A 190 BE 242 F2 3...

Page 278: ...76 0114 312 0138 348 015C 384 0180 420 01A4 277 0115 313 0139 349 015D 385 0181 421 01A5 278 0116 314 013A 350 015E 386 0182 422 01A6 279 0117 315 013B 351 015F 387 0183 423 01A7 280 0118 316 013C 352 0160 388 0184 424 01A8 281 0119 317 013D 353 0161 389 0185 425 01A9 282 011A 318 013E 354 0162 390 0186 426 01AA 283 011B 319 013F 355 0163 391 0187 427 01AB 284 011C 320 0140 356 0164 392 0188 428 0...

Page 279: ...heck print instructions Are print instructions correct Any corresponding contents in FIP by trouble phenomena Repair according to the FIP concerned Repair according to BSD Explain to customer Instruct how to submit print job Print from another client application for host check Image quality trouble reccurred Troubleshoot according to image quality trouble sample Troubleshoot according to image qua...

Page 280: ...V 70 9 IMAGE QUALITY SPECIFICATIONS 9 1 Parallelism Fig 5 10 9 2 Diagonal Fig 5 11 9 3 Skew Fig 5 12 ...

Page 281: ...V 71 9 4 Straightness Fig 5 13 9 5 Magnification Error Fig 5 14 9 6 Registration Fig 5 15 ...

Page 282: ...V 72 9 7 Guaranteed Printing Area Fig 5 16 ...

Page 283: ...r outputting the test print the printer becomes Ready to Print state The LCD panel displays Ready to Print Test Print No Pattern Description 1 No Image IOT Feeds and outputs paper with no image 2 Grid Blank paper MCU No Support 3 Grid2 ESS Outputs an ESS internal grid pattern 4 H Patt 600 IOT Outputs an IOT internal 600 dpi pattern 5 H Patt 1200 IOT Blank paper MCU No Support 6 Cyan 20 ESS Outputs...

Page 284: ...ventilated place Keep the printer horizontal 2 Host check for an image quality trouble Check whether the trouble depends on the application 1 Printing from another client 2 Printing from another application 3 Printing from another file 4 Changing the driver 5 Changing the application 6 Checking the client system 3 Consumables check Check the lives of the following consumables 1 Print head cartridg...

Page 285: ...and HVPS PWB SUB HVPS Item Check Remedy 1 Faulty print head cartridge ASSY Is the image quality improved if print head cartridge ASSY is replaced Replace the print head cartridge ASSY 2 Faulty scanner ASSY Is the image quality improved if scanner ASSY is replaced Replace the scanner ASSY 3 Faulty fuser ASSY Check the heat roll and NIP belt for evidence of damage dirt or foreign substances Replace ...

Page 286: ...PWB SUB HVPS Item Check Remedy 1 Faulty print head cartridge ASSY Is the image quality improved if print head cartridge ASSY is replaced Replace the print head cartridge ASSY 2 Faulty scanner ASSY Is the image quality improved if scanner ASSY is replaced Replace the scanner ASSY 3 Faulty fuser ASSY Check the heat roll and NIP belt for evidence of damage dirt or foreign substances Replace the fuser...

Page 287: ...roved if print head cartridge ASSY is replaced Replace the print head cartridge ASSY 2 Faulty scanner ASSY Is the image quality improved if scanner ASSY is replaced Replace the scanner ASSY 3 Faulty fuser ASSY Check the heat roll and NIP belt for evidence of damage dirt or foreign substances Replace the fuser ASSY 4 Faulty transfer roll cartridge ASSY Is the image quality improved if transfer roll...

Page 288: ...l appearing on prints are shown in the table below Roll Parts Cycle Magnet roll 29 mm Padolle 7 5 mm Drum 63 mm HTC 23 mm IDT 1 132 mm IDT 2 Print head cartridge ASSY 132 mm Transfer roll cartridge Transfer roll cartridge ASSY 65 mm Heat roll Fuser ASSY 82 mm ...

Page 289: ...cartridge ASSY Scanner ASSY MCU and HVPS PWB Item Check Remedy 1 Faulty transfer Is the image quality improved if the laser beam exit window of scanner ASSY is shielded with a sheet Replace the MCU and HVPS PWB 2 Faulty scanner ASSY Is the image quality improved if scanner ASSY is replaced Replace the scanner ASSY 3 Faulty print head cartridge ASSY Is the image quality improved if print head cartr...

Page 290: ...d Check the laser beam path between scanner ASSY and the drum in print head cartridge ASSY for evidence of dirt or foreign substances Clean dirt or foreign substances 3 Faulty scanner ASSY Is the image quality improved if scanner ASSY is replaced Replace the scanner ASSY 4 Faulty charging or developing Is the image quality improved if print head cartridge ASSY is replaced Replace the print head ca...

Page 291: ...medy 1 Faulty print head cartridge ASSY Is the image quality improved if print head cartridge ASSY is replaced Replace the print head cartridge ASSY 2 Faulty scanner ASSY Is the image quality improved if scanner ASSY is replaced Replace the scanner ASSY 3 Faulty fuser ASSY Check the heat roll and NIP belt for evidence of damage dirt or foreign substances Replace the fuser ASSY 4 Faulty transfer ro...

Page 292: ...em Check Remedy 1 Faulty print head cartridge ASSY Is the image quality improved if print head cartridge ASSY is replaced Replace the print head cartridge ASSY 2 Faulty scanner ASSY Is the image quality improved if scanner ASSY is replaced Replace the scanner ASSY 3 Faulty fuser ASSY Check the heat roll and NIP belt for evidence of damage dirt or foreign substances Replace the fuser ASSY 4 Faulty ...

Page 293: ...correctly 2 Faulty paper transfer path Check the paper transfer path for presence of burrs foreign substances or dirt Clean or replace the parts concerned 3 Faulty paper feed rolls Check if the paper feed rolls feed the paper normally Clean or replace the parts concerned 4 Faulty paper transfer rolls Check the paper transfer rolls for evidence of foreign substances dirt deformation or malfunction ...

Page 294: ...he skew Go to Paper skew 4 Faulty paper transfer path Check the paper transfer path for presence of burrs foreign substances or dirt Clean or replace the parts concerned 5 Faulty paper transfer rolls Check the paper transfer rolls for evidence of foreign substances dirt deformation or malfunction Clean or replace the parts concerned Poor fusing Condition Image is easily peeled off when scrubbed by...

Page 295: ...CHAPTER VI 5 06 ...

Page 296: ...1 Main drive control VI 11 2 5 OPTICS Scanner 2 5 1 Laser scanning image and control VI 12 2 5 2 Monitoring VI 13 2 6 Paper Supplying 2 6 1 Tray1 paper stacking VI 14 2 6 2 Tray2 paper stacking VI 15 2 6 3 Tray3 paper stacking VI 16 2 6 4 Monitoring VI 17 2 7 Paper Transportation 2 7 1 Tray1 paper feeding VI 18 2 7 2 MSI paper feeding VI 19 2 7 3 Tray2 paper feeding VI 20 2 7 4 Tray3 paper feeding...

Page 297: ...sing VI 31 2 8 8 Monitoring VI 32 2 9 Fusing and Transportation 2 9 1 Fusing and fuser heat control VI 33 2 9 2 Fuser drive control VI 34 2 9 3 Fan control VI 35 2 9 4 Exit and invert transportation VI 36 2 9 5 Exit and invert mechanism VI 37 2 9 6 Monitoring VI 38 ...

Page 298: ...s symbol references a note usually on the same page PL7 7 This symbol references the parts list PL represents Parts List and 7 7 indicates a plate where the corresponding part is described Every replaceable part on the BSD has this symbol 7 7 1 References an adjustment in the chapter of Repairs and Adjustments In this example 7 7 1 means that the adjustment method is described in 7 7 1 in the chap...

Page 299: ...hat the signal line is connected in another sheet described at the lower right of BSD In this example the destination of the signal line is described in the CH8 5 zone of A 2 SHEET 2 ZN H4 Indicates that the signal line is connected in another sheet described at the lower right of BSD In this example the source of the signal line is described in the CH8 5 zone of H 4 5VDC 1 2 J2 Represents the out...

Page 300: ... signal and its flow direction 1 Means that the information indicated by the arrow is after 1V 1 Means that the information indicated by the arrow is before 1V 1 Means that the information in the entire figure or frame is after 1V 1 Means that the information in the entire figure or frame is before 1V ...

Page 301: ...when not 1 4 DC Voltage Unless otherwise specified in a note or other the DC voltage is measured between each test point and the frame and its value is within the following ranges 5VDC H 4 5 to 5 3VDC L 0 0 to 1 0VDC 12VDC H 10 0 to 13 2VDC L 0 0 to 1 5VDC 24VDC H 22 0 to 25 7VDC L 0 0 to 3 0VDC 1 5 Input Output Test DI Digital input test DO Digital output test The DI DO diagnosis can be executed ...

Page 302: ...2 17 16 ALL INTERLOCK OPEN L 3 3VDC DI 7 J21 2 25 1 26 ALL J164 1 2 3 4 CONTROL LOGIC 3 ALL ALL 4 ALL CONNECTOR DOUBLE PLUG P210B12 A2 B13 A1 YEL YEL J210 B2 A12 B1 A13 YEL YEL YEL YEL YEL YEL B11 B10 B3 B4 P810A13 B2 A14 B1 J810 A2 B12 A1 B13 A12 A11 A3 A4 FEEDER PWB PL17 4 J81 25 2 26 1 24 23 ALL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL ALL ALL ALL J311 1 2 3 4 BRN BRN VIO...

Page 303: ...VI 6 A B C D E F G H J 1 2 3 4 5 6 2 1 Standby Power 1 Imaginary Line 2 1 2 Monitoring MCU AND HVPS PWB PL15 1 CONTROL PANEL PL1 1 2 1 1 1 CONTROL LOGIC Close Front Cover INTERLOCK OPEN SIGNAL ...

Page 304: ...5 6 2 2 Mode Selection CONTROL PANEL PL1 1 MCU AND HVPS PWB PL15 1 CONTROL LOGIC 2 2 1 Control panel J22 1 20 J221 1 20 J2211 1 20 SHILD CABLE SHILD CABLE Ready Alarm Menu Form Feed Set Job Cancel Back brother NETWORK READY HL 4000CN ...

Page 305: ...ONTROL LOGIC EEPROM U9 P J 10 Pararell P J 12 USB P J 14 HDD ASSY PL16 1 P J 33 NIC EXP ASSY PL16 1 P J 34 P J 45 Ethenet 100Base TX 10BaseT 1 S1 1 When replacing ESS PWB remove EEPROM U8 U9 from ESS PWB and install them on new ESS PWB 2 3 3 IOT ERROR J311 1 2 3 4 BRN VIO GRY VIO P J 14 2 1 1 2 1 1 2 1 1 2 1 1 3 3VDC DC COM DC COM 5VDC 3 3DC DC COM DC COM 5VDC 2 3 3 ESS ERROR 2 2 2 Imaginary Line ...

Page 306: ...1 5VDC CH1 1 J710 5 4 3 2 1 YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL CONN ASSY CRUM MC PL12 3 Print head cartridge ASSY PL11 1 CONN ASSY CRUM MC PL12 3 BRACKET CRUM PL12 3 CRUM DATA CRUM CLOCK J710 6 DOUBLE PLUG J71 1 YEL YEL P71 6 MCU AND HVPS PWB PL15 1 J140 1 YEL YEL LD 5VDC 2 5 1 CONTROL LOGIC 7 8 9 10 EEPROM PWB PL12 1 J144 4 3 2 1 3 3VDC CH1 1 DC COM CH1 1 YEL YEL YEL YEL YEL YEL YEL YEL EEPR...

Page 307: ...50 16 370 IOT Firmware Error IOT NVRAM Error IOT Fuser Life Over ESS Data Cache Error ESS Instruction Cache Error ESS Illegal Exception ESS ROM Check Main Fail ESS FontROM Error Main ESS On Board RAM W R Check Fail ESS RAM DIMM W R Check Fail ESS NVRAM1 W R Check Fail ESS NVRAM1 ID Check Fail NIC ESS Communication Fail NIC Flash ROM Boot Module Checksum Error NIC RAM R W Test Error NIC Flash ROM A...

Page 308: ...YEL YEL YEL YEL YEL YEL YEL YEL CLOCK B CLOCK XB CLOCK A CLOCK XA D A MAIN MOTOR MOTOR DRIVE J48 3 4 5 6 DC COM DC COM DC COM DC COM 1 2 24VDC SWITCHED CH1 1 MAIN DRIVE ASSY PL14 1 CLOCK A CLOCK B CLOCK XA CLOCK XB DRIVE MECHANISM 2 7 1 TRAY1 FEED DRIVE 2 7 2 MSI FEED DRIVE 2 7 2 MSI TRANSPORT ROLL DRIVE 2 7 6 REGI ROLL DRIVE 2 8 7 IDT2 DRIVE DO 0 DO 1 NORMAL SPEED HALF SPEED MOT ...

Page 309: ...VIO 2 19 SCANNER MOTOR ON L 5VDC 8 1 13 20 VIO VIO VIO VIO 7 14 VIO VIO 6 2 3 2 15 VIO VIO 4 17 24VDC SWITCHED CH1 1 VIO VIO 3 18 VIO VIO DC COM CH1 1 CONTROL LOGIC J152 1 2 3 4 5 6 7 SCANNER MOTOR MOT SOS PWB J153 1 3 5VDC DC COM QBLD PWB J153 2 J151 16 MCU AND HVPS PWB PL15 1 J15 5 VIO VIO 3 3VDC SOS SENSED L 3 3VDC DC COM TP DC COM VIDEO DATA Y VIDEO DATA M VIDEO DATA C VIDEO DATA K LD 5VDC LAS...

Page 310: ...I 13 A B C D E F G H J 1 2 3 4 5 6 2 5 OPTICS Scanner 1 Imaginary Line 2 5 2 Monitoring MCU AND HVPS PWB PL15 1 CONTROL PANEL PL1 1 2 5 1 1 CONTROL LOGIC IOT Scanner Failure 6 370 6 370 SOS SENSED SIGNAL ...

Page 311: ...BLU YEL YEL 3 3VDC TRAY1 SENSOR AND SWITCHES OPERATOR LOADED PAPER TRAY1 SIZE SWITCH1 ON L 3 3VDC TRAY1 SIZE SWITCH2 ON L 3 3VDC TRAY1 SIZE SWITCH3 ON L 3 3VDC TRAY1 NO PAPER SENSED H 3 3VDC TRAY1 LOW PAPER SENSED H 3 3VDC 2 7 1 TRAY1 PAPER STACK POSITIONED YEL TRAY1 SIZE SWITCH1 SIGNEL DI 18 1 CONTROL LOGIC 2 6 4 TRAY1 SIZE SWITCH2 SIGNEL 2 6 4 TRAY1 SIZE SWITCH3 SIGNEL 2 6 4 DI 11 DI 15 TRAY1 NO...

Page 312: ...Y2 PAPER STACK POSITIONED TRAY2 SIZE SWITCH1 SIGNEL DI 20 1 CONTROL LOGIC 2 6 4 TRAY2 SIZE SWITCH2 SIGNEL 2 6 4 TRAY2 SIZE SWITCH3 SIGNEL 2 6 4 DI 12 DI 16 TRAY2 NO PAPAR SENSED SIGNEL 2 6 4 1 Refer the relationship between the status of TRAY2 SIZE SWITCH ASSY and display of Diagnostic code DI 20 Paper Size LEGAL14 LEGAL13 EXECUTIVE B5 A4 LETTER A5 No Cassette SW1 ON OFF ON ON ON OFF OFF OFF SW2 O...

Page 313: ...VDC TRAY3 LOW PAPER SENSED H 3 3VDC 2 7 4 TRAY3 PAPER STACK POSITIONED TRAY3 SIZE SWITCH1 SIGNEL DI 28 1 CONTROL LOGIC 2 6 4 TRAY3 SIZE SWITCH2 SIGNEL 2 6 4 TRAY3 SIZE SWITCH3 SIGNEL 2 6 4 DI 13 DI 17 TRAY3 NO PAPAR SENSED SIGNEL 2 6 4 1 Refer the relationship between the status of TRAY3 SIZE SWITCH ASSY and display of Diagnostic code DI 28 Paper Size LEGAL14 LEGAL13 EXECUTIVE B5 A4 LETTER A5 No C...

Page 314: ...y 1 Check Paper in Tray 1 2 6 2 2 6 2 2 6 2 1 1 1 TRAY2 SIZE SWITCH1 SIGNEL TRAY2 SIZE SWITCH2 SIGNEL TRAY2 SIZE SWITCH3 SIGNEL Push in Tray 2 Check Paper in Tray 2 2 6 3 2 6 3 2 6 3 1 1 1 TRAY3 SIZE SWITCH1 SIGNEL TRAY3 SIZE SWITCH2 SIGNEL TRAY3 SIZE SWITCH3 SIGNEL Push in Tray 3 Check Paper in Tray 3 Push in All Trays 2 6 1 1 Load in Tray 1 TRAY2 NO PAPAR SENSED SIGNEL 2 6 2 1 Load in Tray 2 TRA...

Page 315: ... 2 4 1 TRAY1 FEED DRIVE CONTROL LOGIC J12 10 9 J42 21 22 J47 12 11 TRAY1 FEED SORENOID PL4 3 DOUBLE PLUG J474 2 1 P474 1 2 YEL YEL 24VDC SWITCHED CH1 1 DC COM YEL YEL YEL YEL YEL YEL TRAY1 FEED SOLENOID ON L 24VDC 14 13 TRAY1 TURN CLUTCH ASSY PL4 3 DOUBLE PLUG J475 2 1 P475 1 2 YEL YEL 24VDC SWITCHED CH1 1 DC COM YEL YEL TRAY1 TURN CLUTCH ON L 24VDC 2 7 6 TRAY1 FEED PAPER DO 28 DO 26 A A ...

Page 316: ...132 1 2 YEL YEL 24VDC SWITCHED CH1 1 DC COM YEL YEL MSI FEED SOLENOID ON L 24VDC 2 7 6 MSI FEED PAPER DOUBLE PLUG J139 11 10 P139 1 2 YEL YEL YEL YEL MCU AND HVPS PWB PL15 1 MSI NO PAPER SENSOR PL7 2 J135 3 7 YEL YEL 2 YEL YEL 8 3 3VDC CH1 1 DC COM CH1 1 J135 1 P139 3 J139 9 J13 9 YEL YEL YEL YEL 3 3VDC MSI NO PAPER SENSED H 3 3VDC DOUBLE PLUG J139 7 8 P139 5 4 YEL YEL YEL YEL DO 24 DI 10 A A CONT...

Page 317: ... 20 22 J82 12 11 TRAY2 FEED SORENOID PL17 3 DOUBLE PLUG J824 2 1 P824 1 2 GRY GRY 24VDC SWITCHED CH1 1 DC COM GRY GRY YEL YEL YEL YEL TRAY2 FEED SOLENOID ON L 24VDC 14 13 TRAY2 TURN CLUTCH ASSY PL17 3 DOUBLE PLUG J825 2 1 P825 1 2 GRY GRY 24VDC SWITCHED CH1 1 DC COM GRY GRY TRAY2 TURN CLUTCH ON L 24VDC 2 7 6 TRAY2 FEED PAPER DO 52 DO 50 A A CONNECTOR DOUBLE PLUG P210 B7 J210 B7 B9 B5 P810 A8 J810 ...

Page 318: ... 19 21 J83 12 11 TRAY3 FEED SORENOID PL17 3 DOUBLE PLUG J834 2 1 P834 1 2 BLU BLU 24VDC SWITCHED CH1 1 DC COM BLU BLU YEL YEL YEL YEL TRAY3 FEED SOLENOID ON L 24VDC 14 13 TRAY3 TURN CLUTCH ASSY PL17 3 DOUBLE PLUG J835 2 1 P835 1 2 BLU BLU 24VDC SWITCHED CH1 1 DC COM BLU BLU TRAY3 TURN CLUTCH ON L 24VDC 2 7 6 TRAY3 FEED PAPER DO 56 DO 54 A A CONNECTOR DOUBLE PLUG P210 B6 J210 B7 B8 B6 P810 A7 J810 ...

Page 319: ...CK XA D A FEEDER MOTOR MOTOR DRIVE J84 1 2 5 6 DC COM DC COM DC COM DC COM 3 4 24VDC SWITCHED CH1 1 FEEDER DRIVE ASSY PL17 4 CLOCK A CLOCK B CLOCK XA CLOCK XB DRIVE MECHANISM 2 7 3 TRAY2 FEED DRIVE 2 7 4 TRAY3 FEED DRIVE CONNECTOR DOUBLE PLUG P210 A7 A6 A5 A4 J210 A7 A8 A9 A10 B1 B13 P810 B7 B6 B5 B4 J810 B7 B8 B9 B10 A2 A13 YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL Y...

Page 320: ... BLU J321 2 J32 2 BLU BLU 3 3VDC OHP PAPER SENSED L 3 3VDC 2 7 3 TRAY2 FEED PAPER 2 7 3 TRAY2 PAPER ROLL DRIVE 2 7 1 TRAY1 FEED PAPER 2 7 1 TRAY1 PAPER ROLL DRIVE 2 7 2 MST FEED PAPER 2 4 1 2 9 4 DUPLEX FEED PAPER 2 7 6 Registration 2 8 6 REGISTRATED PAPER 2 4 1 REGI ROLL DRIVE 2 7 4 TRAY3 FEED PAPER 2 7 4 TRAY3 PAPER ROLL DRIVE MSI TRANSPORT ROLL DRIVE J19 2 MSI TURN CLUTCH PL5 1 24VDC SWITCHED C...

Page 321: ...oring MCU AND HVPS PWB PL15 1 CONTROL PANEL PL1 1 2 7 6 2 7 6 2 7 2 1 CONTROL LOGIC Load in MP Tray 1 1 MSI NO PAPER SENSED SIGNAL REGI PAPER SENSED SIGNAL OHP PAPER SENSED SIGNAL Feed Jam Open A Cover Feed Jam Check Tray Trans Error Open A Cover stands for paper size Check Paper in MP Tray ...

Page 322: ...5 1 HTC M REFRESHER M HTC C REFRESHER C HTC K REFRESHER K 2 8 1 Charging and exposure 2 5 1 2 5 1 2 5 1 2 5 1 LASER SCAN IMAGE Y LASER SCAN IMAGE M LASER SCAN IMAGE C LASER SCAN IMAGE K CHARGING EXPOSURE 2 8 2 2 8 2 2 8 2 2 8 2 LATENT IMAGE Y LATENT IMAGE M LATENT IMAGE C LATENT IMAGE K HTC POWER REFRESHER POWER DO 30 Print head cartridge ASSY ...

Page 323: ...OM 1 2 24VDC SWITCHED CH1 1 DEVE DRIVE ASSY PL14 1 MOT CLOCK A CLOCK B CLOCK XA CLOCK XB 2 8 2 Development DEVE BIAS Y J602 1 DEVELOPER M DEVE BIAS M J603 1 DEVELOPER C DEVE BIAS C J604 1 DEVELOPER K DEVE BIAS K 2 8 1 LATENT IMAGE Y LATENT IMAGE M LATENT IMAGE C LATENT IMAGE K DEVELOPMENT 2 8 6 2 8 6 2 8 6 2 8 6 DEVELOPED IMAGE Y DEVELOPED IMAGE M DEVELOPED IMAGE C DEVELOPED IMAGE K 2 8 5 2 8 1 2 ...

Page 324: ...L 3 3VDC 14 DC COM CH1 1 PL12 2 J432 1 YEL YEL J432 2 13 GRY GRY 5 J12 27 VIO VIO 3 3VDC TONER CARTRIDGE M SET L 3 3VDC 30 DC COM CH1 1 PL12 2 J433 1 YEL YEL J433 2 29 GRY GRY 6 J12 27 BLU BLU 3 3VDC TONER CARTRIDGE C SET L 3 3VDC 32 DC COM CH1 1 PL12 2 J434 1 YEL YEL J434 2 31 GRY GRY 3 J12 27 GRY GRY 3 3VDC TONER CARTRIDGE K SET L 3 3VDC TONER CARTRIDGE SET DI 8 DI 9 DI a DI b A B C A B C CONTRO...

Page 325: ...DC COM J512 4 3 2 1 1 GRY GRY GRY GRY GRY GRY GRY GRY VIO VIO DRIVE PWB PL15 1 MCU AND HVPS PWB PL15 1 CONTROL LOGIC TONER MOTOR ASSY K PL12 2 J11 37 38 39 40 J41 4 3 2 1 YEL YEL YEL YEL YEL YEL YEL YEL CLOCK B CLOCK XB CLOCK A CLOCK XA J51 25 26 27 28 24 24VDC SWITCHED CH1 1 CLOCK A CLOCK B CLOCK XA CLOCK XB DC COM DC COM DC COM DC COM J514 4 3 2 1 1 GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY TONER ...

Page 326: ...IO VIO 10 21 NO TONER M 33 DC COM CH1 1 LOW TONER SENSOR C PL12 2 J443 3 GRY GRY J443 2 34 BLU BLU 9 22 35 DC COM CH1 1 LOW TONER SENSOR K PL12 2 J444 3 GRY GRY J444 2 36 GRY GRY 8 23 TONER DISPENSE MECHANISM NO TONER C NO TONER K 1 N C 1 N C 1 N C 1 N C NO TONER CHECK CONTROL NO TONER SENSED L 3 3VDC YEL YEL YEL YEL YEL YEL 7 24 YEL YEL NO TONER CHECK C NO TONER CHECK M NO TONER CHECK Y NO TONER ...

Page 327: ...REF 22 11 YEL YEL 24VDC SWITCHED CH1 1 23 10 YEL YEL 25 8 YEL YEL DC COM CH1 1 J5030 1 J5020 1 J5011 1 J13 32 YEL YEL HVPS J701 1 J801 1 Print head cartridge ASSY PL11 1 IDT2 IDT2 CLEANER IDT1 IDT1 CLEANER IDT2 IDT2 CLEANER IDT1 IDT1 CLEANER Transfer roll cartridge UNIT ASSY Transfer roll cartridge Transfer roll cartridge Transfer roll cartridge PLUS Transfer roll cartridge PLUS REF Transfer roll ...

Page 328: ...36 1 YEL YEL 13 14 5VDC CH1 1 DC COM CH1 1 2 4 3 3 4 3 YEL YEL YEL YEL YEL YEL YEL YEL J136 5 2 DOUBLE PLUG P1361 5 J1361 1 2 4 YEL YEL YEL YEL J13 12 15 YEL YEL YEL YEL HUM TEMP SENSOR PL4 2 DOUBLE PLUG J24 4 2 5VDC CH1 1 DC COM CH1 1 J2361 4 P2361 1 2 3 J231 1 3 YEL YEL YEL YEL YEL YEL YEL YEL J231 2 4 DOUBLE PLUG P2361 2 J2361 3 4 1 YEL YEL YEL YEL J24 3 1 YEL YEL YEL YEL HUMI TEMP ADC VOUT ADC...

Page 329: ...GNAL TONER CARTRIDGE M SET SIGNAL TONER CARTRIDGE C SET SIGNAL TONER CARTRIDGE K SET SIGNAL 2 8 3 2 8 3 2 8 3 2 8 3 1 CONTROL LOGIC Reinsert Yellow Toner Y 1 Reinsert Magenta Toner M 1 Reinsert Cyan Toner C 1 Reinsert Black Toner B 1 Replace Yellow Toner Y Replace Magenta Toner M Replace Cyan Toner C Replace Black Toner B 10 354 9 340 9 342 Clean Up CTD Sensor Reinsert Transfer Roll Replace Transf...

Page 330: ...321 A1 A2 J232 A5 A4 CONN ECTOR J232 A3 P321 A3 21 DC COM CH1 1 YEL YEL 5 1 A5 A1 J322 1 J322 2 A4 A2 4 2 20 YEL YEL J12 20 DRIVE PWB PL15 1 J42 11 J61 4 LVPS PL15 1 J165 5 HEATER CONTROL J162 2 3 AC RETURN CH1 1 3 HEATER J325 1 THERMOSTAT 2 2 1 1 N C AC POWER CH1 1 HEATER ON CONTROL LOGIC DC COM FUSER TEMP SENSOR 2 8 6 UNFUSED PRINT 2 9 2 FUSER DRIVE 2 9 1 Fusing and fuser heat control 2 9 6 FUSI...

Page 331: ...L LOGIC J11 12 13 14 15 16 J41 29 28 27 26 25 YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL CLOCK B CLOCK XB CLOCK A CLOCK XA D A FUSER MOTOR MOTOR DRIVE J52 3 4 5 6 DC COM DC COM DC COM DC COM 1 2 24VDC SWITCHED CH1 1 FUSER DRIVE ASSY PL6 2 MOT CLOCK A CLOCK B CLOCK XA CLOCK XB 2 9 1 FUSER DRIVE DRIVE MECHANISM DO d DO e NORMAL SPEED HALF SPEED ...

Page 332: ... 2 J137 2 MOT DRIVE PWB PL15 1 J50 8 J42 27 YEL YEL J12 4 YEL YEL FUSER FAN ON H 24VDC FUSER FAN STOP FUSER FAN FAIL H 3 3VDC FUSER FAN LOW 3 3VDC 18 19 FAN CONTROL 13 12 YEL YEL YEL YEL J166 1 DC COM 3 DC COM REAR FAN PL15 1 J166 2 J165 7 MOT J61 2 29 YEL YEL 2 YEL YEL REAR FAN ON H 24VDC REAR FAN STOP REAR FAN FAIL H 3 3VDC REAR FAN LOW J61 1 3 J165 8 6 YEL YEL YEL YEL HEAT AIR 2 9 1 AIR CONTROL...

Page 333: ...YEL YEL YEL YEL CONTROL LOGIC DUP JAM SENSOR PL7 1 J133 3 J13 1 YEL YEL 2 YEL YEL 2 3 3VDC CH1 1 DC COM CH1 1 J133 1 P139 9 J139 3 J13 3 YEL YEL YEL YEL 3 3VDC DUP JAM PAPER SENSED H 3 3VDC J139 1 2 P13911 10 YEL YEL YEL YEL 2 9 4 Exit and invert transpotation 2 9 1 FUSED PRINT PRINT TO FACE DOWN TRAY DUPLEX FEED PAPER 2 7 6 2 9 5 2 9 5 2 9 5 ROLL MID DRIVE ROLL DUP DRIVE ROLL EXIT DRIVE A A DI 1 ...

Page 334: ... MOTOR MOTOR DRIVE J50 3 4 5 6 DC COM DC COM DC COM DC COM 1 2 24VDC SWITCHED CH1 1 DUP MOTOR ASSY PL8 1 MOT CLOCK A CLOCK B CLOCK XA CLOCK XB DRIVE MECHANISM 2 9 4 2 9 4 2 9 4 DOUBLE PLUG P131 3 4 5 6 1 2 J131 4 3 2 1 6 5 YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL ROLL MID DRIVE ROLL DUP DRIVE ROLL EXIT DRIVE DO 3 FORWARD NORMAL SPEED DO 4 FORWARD HALF SPEED DO 5 FORWARD DOUBLE SPEED DO 3 RE...

Page 335: ... 9 3 2 9 4 2 9 4 2 9 1 2 9 1 1 Feed Jam Open A B Cover 1 1 1 IOT Fuser Detached IOT Fuser Failure IOT Fan Motor Failure EXIT PAPER SENSED SIGNEL TEMP SENSOR SIGNAL 10 317 10 350 FUSER FAN FAIL SIGNAL REAR FAN FAIL SIGNAL 1 360 DUP JAM PAPER SENSED SIGNAL PAPER FULL STACK SENSED SIGNAL Feed Jam Open B Cover Empty Exit Tray 10 317 10 350 1 360 CONTROL LOGIC ...

Page 336: ...CHAPTER VII 3 8 3 211 725 2 7 216 ...

Page 337: ... CONNECTOR LOCATIONS VII 1 1 LIST OF P J VII 1 1 1 Base Engine VII 1 1 2 2 Tray Module VII 3 2 P J LAYOUT DIAGRAM VII 4 2 1 IOT Top VII 4 2 2 IOT Front RH VII 5 2 3 MCU and HVPS PWB ESS PWB VII 6 2 4 Tray 1 VII 7 2 5 2 Tray Module VII 8 ...

Page 338: ... main 22 J 43 Connects MCU and HVPS PWB and harness ASSY OPEPANE AS 23 I 43 Connects MCU and HVPS PWB and harness ASSY LVRMT 24 H 43 Connects MCU and HVPS PWB and harness ASSY TMPB 26 H 43 27 I 33 Connects ESS PWB and MCU and HVPS PWB 30 H 43 Flash write 31 J 43 For test print 32 H 43 Connects MCU and HVPS PWB and harness ASSY OHP 32 J 33 ESS PWB 33 I 32 Connector for connecting to ESS PWB hard di...

Page 339: ...61 H 29 Connects LVPS and harness ASSY AC SW 162 H 29 Connects LVPS and harness ASSY FSR2 163 H 27 Connects LVPS and harness ASSY 24V 164 H 28 Connects LVPS and harness ASSY LVRPG 165 H 28 Connects LVPS and harness ASSY LVNC 166 H 27 Connects LVPS and rear fan 167 H 28 Connects LVPS and harness ASSY LVRMT 181 E 38 Connects REGI sensor and REGI clutch harness section 210 H 23 Connects harness ASSY ...

Page 340: ... SUB HVPS and wire ASSY transfer roll cartridge 5030 E 35 Connects SUB HVPS and wire ASSY DTS 1 2 2 Tray Module P J Coordiates Remarks 832 C 3 Connects tray3 no paper sensor and harness ASSY NPRSJ 822 E 3 Connects tray2 no paper sensor and harness ASSY NPRSJ 824 F 3 Connects tray2 feed solenoid and harness ASSY FDR2T 834 K 12 Connects tray3 feed solenoid and harness ASSY FDR3T 825 I 13 Connects tr...

Page 341: ...VII 4 P J LAYOUT DIAGRAM 2 1 IOT Top ...

Page 342: ...VII 5 2 2 IOT Front RH ...

Page 343: ...VII 6 2 3 MCU and HVPS PWB ESS PWB ...

Page 344: ...VII 7 2 4 Tray1 ...

Page 345: ...VII 8 2 5 2 Tray Module ...

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