OKI MB460, MB470, MB480, Maintenance Manual & Parts List

1 2 3 4 5 6 Rev Date DCO No. Contents Design Approval BOM Use for Certiﬁcation Body Approval Check Date Drawing No. Name Design ....................................................................................................... ....................................................................................................... Oki Data CONFIDENTIAL MB460/MB470/MB480 Maintenance Manual ODA/OEL/AOS [Rev. 1] No.01 44306601TH MB460/MB470/MB480 Maintenance Manual 1 247 2009-09-02 Masato Yamazaki Masato Yamazaki Isao Kitano Related drawings Drawing No. Name 44306601TL MB460/MB470/MB480 Disassembly for Maintenance 44306601TR MB460 RSPL 44306621TR MB470 RSPL 44306641TR MB480 RSPL

44306601TH Rev. 1 2 / Oki Data CONFIDENTIAL Document Revision History Rev.No. Date Corrected items Person in charge No. Page Description of change 1 2009-09-02 Issue PED14 M.Yamazaki

44306601TH Rev. 1 3 / Oki Data CONFIDENTIAL Preface This manual explains the maintenance methods of MB460/MB470/MB480. This manual is prepared for the maintenance person. In regard to the handling methods of MB460/ MB470/MB480, please refer to the User’s Manual. Note! • Contents of this manual is subject to change without notice. • While all reasonable efforts have been made to make this document as ac- curate and helpful as possible, we make no warranty of any kind, expressed or implied, as to the accuracy of the information contained herein. Oki Data assumes no responsibility to the damages caused or claimed to have been caused by the user as a result of repair, adjustment and/or change using this manual. • Parts of this product are delicate and can be damaged unless properly handled. We strongly recommend the user to maintain the product at the hand of the registered maintenance person of our company • Before starting the maintenance work, please neutralize the static electricity.

44306601TH Rev. 1 4 / Oki Data CONFIDENTIAL Table of contents 1. CONFIGURATION ................................................................................................ 7 1.1 System Configuration ........................................................................................................... 7 1.2 Structure of MFP ................................................................................................................... 9 1.3 Offer of Options ................................................................................................................... 10 1.4 Specifications ...................................................................................................................... 11 1.5 Interface Specification......................................................................................................... 13 1.5.1 USB Interface Specification ................................................................................... 13 1.5.1.1 Outline of USB Interface......................................................................... 13 1.5.1.2 USB Interface Connector and Cable ...................................................... 13 1.5.1.3 UBS Interface Signal .............................................................................. 13 1.5.2 Network Interface Specification ............................................................................. 14 1.5.2.1 Outline of Network Interface ................................................................... 14 1.5.2.2 Network Interface Connector and Cable ................................................ 14 1.5.2.3 Network Interface Signal ........................................................................ 14 1.5.3 Telephone Line Interface Specification (Only MB470/MB480) ............................ 15 1.5.3.1 Outline of telephone Line Interface ........................................................ 15 1.5.3.2 Telephone Line Interface Connector and Cable..................................... 15 1.5.3.3 Telephone Line Interface signal ............................................................. 15 1.5.4 Parallel Interface Specifications ........................................................................... 16 1.5.4.1 Parallel Interface Overview .................................................................... 16 1.5.4.2 Parallel Interface Connector and Cable ................................................. 16 1.5.4.3 Parallel Interface Level .......................................................................... 16 2. OPERATIONAL EXPLANATION ........................................................................ 17 2.1 Electrophotographic process mechanism .......................................................................... 17 2.2 Printing process .................................................................................................................. 24 2.3 Toner entrance detection .................................................................................................... 28 3. MFP INSTALLATION ..........................................................................................30 3.1 Precautions and Prohibition ................................................................................................30 3.2 MFP Unpacking Procedure .................................................................................................32 3.3 MFP Installation Instructions ...............................................................................................33 3.4 Packed Units and Attachments ...........................................................................................34 3.5 Assembly Procedure ...........................................................................................................35 3.5.1 MFP Main Body .....................................................................................................35 3.5.2 Power Cable Connection .......................................................................................44 3.5.3 Installation of Optional Components .....................................................................46 3.5.4 Confirm the Recognition of Option ........................................................................ 50 3.6 Configuration Page Print ..................................................................................................... 51 3.7 Network Information Print....................................................................................................54 3.8 Connection Procedures.......................................................................................................55 3.9 Checking of User Paper ...................................................................................................... 59 4. REPLACEMENT OF PARTS ..............................................................................60 4.1 Precautions on the replacement of parts ............................................................................60 4.2 Parts layout .........................................................................................................................62

44306601TH Rev. 1 5 / Oki Data CONFIDENTIAL 4.3 Parts replacement method .................................................................................................. 67 4.3.1 Detachment methods of the scanner and printer ..................................................68 4.3.1.1 Cover-Side-R ..........................................................................................68 4.3.1.2 Cover-Side-L ..........................................................................................69 4.3.1.3 FAX Board (In case of MB470/480 ) .................................................... 70 4.3.1.4 Detachment methods of the scanner and printer ................................... 71 4.3.2 Scanner ................................................................................................................. 73 4.3.2.1 Detachment of the paper tray ................................................................. 73 4.3.2.2 Detachment of Pad ................................................................................. 74 4.3.2.3 Removing ADF PCBA ............................................................................ 75 4.3.2.4 Removing operation panel ..................................................................... 76 4.3.2.5 Removing the MPCBA............................................................................77 4.3.2.6 Removing ADF Assembly ...................................................................... 79 4.3.2.7 Removing the Window-ADF ................................................................... 81 4.3.3 Printer ....................................................................................................................82 4.3.3.1 LED Head ...............................................................................................82 4.3.3.2 Roller-Transfer ........................................................................................83 4.3.3.3 CU Board ................................................................................................84 4.3.3.4 OP Cover Assy .......................................................................................85 4.3.3.5 MPT-Assy (In case of MB460, it is Manual-Assy) ..................................86 4.3.3.6 Front-Guide-Assy ................................................................................... 87 4.3.3.7 Roller-Assy-Feed ....................................................................................88 4.3.3.8 Guide-Paper-Duplex ...............................................................................89 4.3.3.9 Stacker-Cover-Assy ................................................................................90 4.3.3.10 Motor-DC-Main ....................................................................................... 91 4.3.3.11 Fuser-Assy..............................................................................................92 4.3.3.12 Rear-Cover-Assy ....................................................................................94 4.3.3.13 Frame-Assy-Lower .................................................................................95 4.3.3.14 High voltage / Low voltage power board ................................................ 97 4.3.3.15 Plate-Bracket-Motor................................................................................99 4.3.3.16 Roller-Back up ...................................................................................... 100 4.3.3.17 Roller-Resist ......................................................................................... 101 4.3.3.18 Lever-In-Sensor .................................................................................... 102 4.3.3.19 Lever-Eject-Sensor/Photo-Interrupter .................................................. 103 4.3.3.20 Lever-End/Lever-Duplex/Lever-Cassette/Gear-Assy-Clatch ............... 104 4.3.3.21 Paper feeding roller (Roller-Pick-Up,Roller-Feed-NOW,Roller-Assy-MPT) .......................... 106 5. MAINTENANCE MENU .................................................................................... 108 5.1 Maintenance Menu............................................................................................................ 108 5.1.1 Boot Menu ........................................................................................................... 108 5.1.2 System Maintenance Menu ................................................................................. 111 5.1.3 Fax Maintenance Menu ....................................................................................... 115 5.1.4 Print Statistics Menu ............................................................................................ 117 5.2 Maintenance Utility ............................................................................................................ 119 5.3 Variou s printing of the MFP unit with controller................................................................ 121 5.4 Switch pressing function when power supply is turned on ............................................... 121 5.5 Settings after Parts Replacement ..................................................................................... 122 5.5.1 Notes when exchanging the main circuit board and EEPROM setting after the exchange of 86M circuit board................................................................................. 122

44306601TH Rev. 1 6 / Oki Data CONFIDENTIAL 6. PERIODIC MAINTENANCE.............................................................................. 126 6.1 Periodic Replacement Parts.............................................................................................. 126 6.2 Cleaning ............................................................................................................................ 126 6.3 Cleaning of LED lens array ............................................................................................... 126 6.4 Cleaning the pick-up roller ............................................................................................... 128 6.5 Cleaning the inside of the MFP ......................................................................................... 129 6.6 Cleaning the papaer path in the ADF ............................................................................... 130 6.7 Cleaning the underside of the ADF ................................................................................... 132 6.8 Cleaning the Flatbed glass................................................................................................ 132 7. TROUBLESHOOTING PROCEDURES ............................................................ 133 7.1 Precautions prior to repair ................................................................................................. 133 7.2 Items to be checked prior to taking action on abnormal images....................................... 133 7.3 Precautions when taking action on abnormal images ...................................................... 133 7.4 Preparations for troubleshooting ....................................................................................... 133 7.5 Troubleshooting method.................................................................................................... 133 7.5.1 LCD Message List ............................................................................................... 134 7.5.2 LCD Message Troubleshooting ........................................................................... 183 7.5.3 Print Troubleshooting ........................................................................................... 199 7.5.4 Response after Flash compulsive initialization.................................................... 207 7.5.5 Network Troubleshooting .....................................................................................208 7.5.5.1 Connection error occurs with the Web browser ...................................209 7.5.5.2 Print operation is not possible .............................................................. 215 7.5.5.3 Cannot create Certiﬁcate...................................................................... 216 7.5.5.4 Installation of Certiﬁcate is not possible ............................................... 216 7.5.5.5 Other questionnaires ............................................................................ 219 7.5.5.6 Restrictions when using Internet Explore 7 ..........................................222 7.5.6 Fax Error Code List ..............................................................................................223 7.6 Fuse Checking ..................................................................................................................225 8. CONNECTION DIAGRAMS ..............................................................................226 8.1 Resistance value ...............................................................................................................226 8.2 Component layout ............................................................................................................. 228 APPENDIX C MAINTENANCE MANUAL FOR SECOND TRAY UNIT..................234 1 Overview ...........................................................................................................................234 1.1 Function ......................................................................................................................234 1.2 Exterior and Parts Name ............................................................................................234 2. Description for Operation of Second Tray unit ..................................................................235 3. Part Replacement .............................................................................................................236 3.1 Precautions on replacing parts ...................................................................................236 3.2 Arrangement of Parts .................................................................................................. 237 3.3 How to Replace Parts .................................................................................................238 3.3.1 Roller-Pick-Up, Roller-Feed-Now .........................................................239 3.3.2 Guard-Connector, Connector (9715S-08Z02-G4C) ............................. 240 3.3.3 Roller-Feed ........................................................................................... 241 3.3.4 Board-OT7............................................................................................ 242 3.3.5 CONN Cord-AMP8P-AMP8P ............................................................... 243 3.3.6 Gear-Assy-Clatch ................................................................................. 244 3.3.7 Frame-Assy-Retard, Spring-Retard...................................................... 246 4. Cleaning of Paper Feed Roller and Separation Roller ...................................................... 247

44306601TH Rev. 1  / Oki Data CONFIDENTIAL Fig. 1.1.1 1. CONFIGURATION 1.1 System Conﬁguration MB460 The system conﬁguration of this product is shown in Figure 1.1.1. DM PE RCLT THERM HCLT MCLT SON HVIF EXRCO Fax IF PW HEAD PNLUSB LAN USB CENT DC Motor Assy. JST2 2 JST2 2 JST2 2 clutch clutch AMP8 8 USB IF Centronics IF JST24 24 JST24 Panel PCB LCD FB Moter CCD UNIT 20 JST20 JST20 Scanner Unit JST9 9 28 JST28 FAN 2nd Tray 6 JST7 Board-TT1 cover open switch JST10 3 Cover open sensor EXIT sensor 6 3 2 JST2 Temperature sensor IP100 ALF UPD7 202 AMP6 JST28 CN1 CN2 CN3 High Volt PCB 3 3 5 2 FUSER UNIT 2 2 AC Inlet AC SW 2 2 86M SPILYTAS 2 8051 I2C 16C550 UART LC98500B PU LSI DDR I/F 10 JST10 Nor Nand DIMM I2C ROM 64 Kbit 74LVC 161284 3 3 Paper end duplex JST9 SCANNER PCB L629 SOLENOID ພ ROM IF PCI ROM IF PCI 2NDTRAY LED HEAD UNIT TXD/ RXD DP/ DM DP/DM HEAD IF HEAD Clock RS232C DP/ DM RS232C PUIF DDR- SDRAM 64 MB I2C DDR IF IEEE1284 IEEE1284 Cable FFC Sensor BUS 5V 24V 5V 24V 5V 24V JST2 2 clutch AFD Moter AFD PCB LAN IF Power Supply PCB

44306601TH Rev. 1  / Oki Data CONFIDENTIAL MB40/MB40 The system conﬁguration of this product is shown in Figure 1.1.2. Fig. 1.1.2 DM PE RCLT THERM HCLT MCLT SON HVIF EXRCO Fax IF PW HEAD PNLUSB LAN USB CENT DC Motor Assy. JST2 2 JST2 2 JST2 2 clutch clutch AMP8 8 USB IF Centronics IF JST24 24 JST24 FAX PCB Panel PCB LCD FB Moter CCD UNIT 20 JST20 JST20 Scanner Unit JST9 9 28 JST28 FAN 2nd Tray 6 JST7 Board-TT1 cover open switch JST12 JST10 3 Cover open sensor EXIT sensor 6 3 2 JST2 Temperature sensor IP100 ALF UPD7 202 AMP6 JST28 CN1 CN2 CN3 High Volt PCB 3 3 5 2 FUSER UNIT 2 2 AC Inlet AC SW 2 2 86M SPILYTAS 2 8051 I2C 16C550 UART LC98500B PU LSI DDR I/F 10 JST10 Nor Nand JST12 12 DIMM Line Tel I2C ROM 64 Kbit 74LVC 161284 3 3 Paper end duplex JST9 SCANNER PCB L629 SOLENOID ພ ROM IF PCI ROM IF PCI 2NDTRAY LED HEAD UNIT TXD/ RXD DP/ DM DP/DM HEAD IF HEAD Clock RS232C DP/ DM RS232C PUIF DDR- SDRAM 64 MB I2C DDR IF IEEE1284 IEEE1284 Cable FFC Sensor BUS 5V 24V 5V 24V 5V 24V JST2 2 clutch AFD Moter AFD PCB LAN IF Power Supply PCB Line Tel

44306601TH Rev. 1  / Oki Data CONFIDENTIAL 1.2 Structure of MFP The insides of MB460/MB40/MB40 printers are composed of the following parts. • Scanner part • Electronic photography process part • Paper path • Control part (CU part/PU part) • Power supply parts (high voltage part/low voltage part) Figure 1.2.1 shows the composition of the MFP. A A A’ A’ Fig. 1.2.1

44306601TH Rev. 1 10 / Oki Data CONFIDENTIAL 1.3 Offer of Options This product can be installed with the following option. (1) Additional memory board 64MB/256MB (2) Option Tray Fig. 1.3.1 Fig. 1.3.2

OKI MB460, MB470, MB480, Maintenance Manual & Parts List

You're Reading a Preview

Recently Viewed