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Xerox WorkCentre Pro 412 Service Manual

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WorkCentre Pro 412
Launch Issue
SERVICE
MANUAL
Contents
1. Introduction
2. Service Call Procedures
3. Precautions
4. Specifications
5. Circuit Description
6. Disassembly
7. Maintenance & Troubleshooting
8. Exploded Views and Parts List
9. Electrical Parts List
10. Block Diagram
11. Connection Diagram
12. Schematic Diagrams
Part Number 708P86391

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Summary of Contents for Xerox WorkCentre Pro 412

  • Page 1 WorkCentre Pro 412 Launch Issue SERVICE MANUAL Contents 1. Introduction 2. Service Call Procedures 3. Precautions 4. Specifications 5. Circuit Description 6. Disassembly 7. Maintenance & Troubleshooting 8. Exploded Views and Parts List 9. Electrical Parts List 10. Block Diagram 11.
  • Page 2 You should consult the applicable warranty for its terms regarding customer or third-party provided service. While every care has been taken in the preparation of this manual, no liability will be accepted by Xerox Europe arising out of any inaccuracies or omissions.

  • Page 3: Table Of Contents

    6-18 Main PBA ..........6-17 WorkCentre Pro 412...
  • Page 4 12-26 Toner TX Circuit Diagram ....... . . 12-26 WorkCentre Pro 412...

  • Page 5: Introduction

    Introduction 1. Introduction This service manual is part of a multinational service documentation system, but is not structured in the stan- dard Xerox service manual format. 1-1 Organisation Section 1 Introduction This section describes the contents of the service manual, describes the Heath & Safety Incident Reporting and gives translations of all warnings within the service manual in French, Italian, German and Spanish lan- guages.

  • Page 6: Safety Procedures And Information

    NOTE: A note is used where it is essential to highlight a procedure, practice, condition or statement 1-3 Safety Procedures and Information The Xerox WorkCentre Pro 412 product and supplies are manufactured, tested and certified to strict safety regulations, electromagnetic regulations and established environmental standards.
  • Page 7 Such alterations and modifications will void the manufacturer’s warranty. 4. Components, parts, and wiring that appear to have overheated or are otherwise damaged should be replaced with Xerox spare parts. Always determine the cause of damage or overheating, and correct any potential hazards.

  • Page 8: Heath And Safety Incident Reporting

    1-4 Heath and Safety Incident Reporting I. Summary This standard defines requirements for notification of health and safety incidents involving Xerox products (equipment and materials) at customer locations. II. Scope Xerox Corporation and subsidiaries worldwide.
  • Page 9 Manage all communications and correspondence with government agencies. d. Define actions to correct confirmed incidents. VI. Appendices The Health and Safety Incident Report involving a Xerox Product (Form # EH&S-700) is available at the end of this Service Manual. WorkCentre Pro 412...

  • Page 10: Translation Of Warnings And Precautions

    Qualunque modifica che implichi l’ aggiungimento di nuove funzioni, il collegamento ad un dispositivo esterno o l’ utilizzo di componenti non autorizzati da Xerox può invalidare la certificazione e le dichiar- azioni di conformità del prodotto, nonché compromettere la sicurezza operativa di questo.
  • Page 11 The disconnect device is the power cord. Remove the plug from the power outlet. Ventilation This product should not be placed in a built-in installation unless proper ventilation is provided. WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 12 L'utilisation d'autres produits risque de nuire au bon fonc- tionnement de l'appareil et peut s'avérer dangereuse. N'utilisez jamais d'aérosols, ils peuvent s'enflammer sous certaines circonstances. AVVERTENZA Le seguenti avvertenze sono applicabili a svariate situationi di manutenzione o di assistenza. WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 13 Vor jeglichen Arbeiten an einem Stromkreis oder einem mechanischen Antrieb ist immer der Netzanschluss zu trennen. Das Gerät wird durch Abziehen des Netzsteckers abgeschaltet. Belüftung Das Gerät darf nur dann in einer Einbauposition installiert werden, wenn für ausreichende -Lüftung gesorgt ist. WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 14 No utilice limpiadores de aerosol; en ciertas circunstancias pueden llegar a ser inflamables. WorkCentre Pro 412 August 2001 1-10 Launch Issue...
  • Page 15 4. Tout composant, pièce ou câblage ayant été exposé à une surchauffe ou endommagé d’une quelconque autre façon doit être remplacé par une pièce Xerox. Toujours déterminer la cause du dommage ou de la surchauffe et éliminer les risque potentiels.
  • Page 16 4. Componenti, parti e cablaggio che appaiono surriscaldati o danneggiati vanno sostituiti da parti di ricambio Xerox. Stabilire la causa del problema e intervenire in modo adeguato per evitare che si ripresenti. 5. Mantenere il percorso originale del cablaggio, in particolare in prossimità di bordi, per CA e alimentazione elettrica ad alta tensione.
  • Page 17 4. Los componentes, piezas y cables que parezcan haber sufrido sobrecalentamiento o daños de otro tipo deben reemplazarse por piezas de repuesto de Xerox. Siempre determine la causa del daño o sobre- calentamiento y corrija cualquier tipo de riesgo potencial.
  • Page 18 Introduction This page intentionally blank WorkCentre Pro 412 August 2001 1-14 Launch Issue...

  • Page 19: Service Call Procedures

    2. Check that all the relevant machine settings are correctly entered. 3. If a fault is present, go to SCP 3 Normal Call Actions. If there is no fault present, go to SCP 6 Final Actions. WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 20: Scp 3 Normal Call Actions

    If any of the customers selections were changed, return them to the customers preferred settings. • Complete all administrative tasks. Ensure the machine and service area are clean before leaving the customer premises. August 2001 WorkCentre Pro 412 Launch Issue...

  • Page 21: Precautions

    9. Minimize bodily motions when handling un- electrostatic charge on your body by using the packed replacement ESDs. Normal motions, standard Xerox ESD protection kit, which should such as the brushing together of clothing fabric be removed for your personal safety reasons and lifting one’s foot from a carpeted floor, can...
  • Page 22 Precautions This page intentionally blank WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 23: Specifications

    Paper stacker capacity Face Down: 250 Sheets (75gsm, 20 lb.) Warming up time Stand-by: 20 seconds First printing time Power save mode: 30 seconds Minimum PC spec Pentium II 300 MHz, 64MB RAM Duplex printing WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 24: Facsimile

    Internal 36 bit, external 24 bit Optical resolution (H x V) 600 x 600 dpi Interpolation resolution Max. 4800 dpi Pre-scan mode: Yes, 75 dpi Scan speed Mono: 1.25 msec/line, Color: 5 msec/line (Pentium II 300MHz, 64MB Memory) WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 25: Copier

    MDSP = multiple document single printout 4-5 Power Supply Power rating AC 110V to 127V ± 15% 50/60Hz ± 3Hz, AC 220V to 240V ± 15% 50/60Hz ± 3Hz Power consumption Average. 300W Power saving consumption Average. 30W WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 26: Dimension

    30% RH to 70% RH 4-9 Machine Life Product life 5 years Product life in pages 150,000 printing pages (A4 size, 5% area coverage) Maximum monthly duty cycle 2,500 printing pages (A4 size, 5% area coverage) WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 27: Circuit Description

    A0~A5 Generator DMAC UART OSC.(Video) (2 CH) (3 CH) 45.3928 MHz OPE PANEL INTERFACE JBIG Engine Comm. I/F OSC. INTERFACE IC LRAM:1296B 48 MHz (UNICON) CXRAM:256B HPVC RAM : 512B 512B+512B Block Diagram WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 28: Circuit Operation

    1.48 to1.52ms • Td = (Ct*V sensing)/I charge (...Ct = 33µF, Is = 100µA) 2) Timing Chart V CC and SENSE Threahold Voltage V CC 3.6V V CC RESET Output Output Undefined Undefined WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 29 DATA19 " CPU Data Bus 19 " DATA20 " CPU Data Bus 20 " DATA21 " CPU Data Bus 21 " Vddi 3.3 V DATA22 Input CPU Data Bus 22 PHBTT8, 8 mA WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 30 TAP Controller Clock " TAP Controller Data Out PHOB4 AVdd Vcca Analog 3.3 V AVin[0] Analog Input 0 PICA AVin[1] Analog Input 1 " AVss Vssa Analog Gnd AVssAVin[2] Analog Input 2 PICA WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 31 PHBTT8, 8 mA " Parallel Port Data " nSTROBE Data Strobe PHIL, ST Vsso 5 V Gnd RxD1 / CTin[2] Uart 1 Rx Data PHIL, ST TxD1 Uart 1 Tx Data PHOB4, 4 mA WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 32 / PWM[2] Com. Busy / PWM [2] PHOB4, 4 mA Vddo nDRAMCAS0 DRAM Cas Strobe 0 PHOB8, 8 mA nDRAMCAS1 " DRAM Cas Strobe 1 " nDRAMCAS2 " DRAM Cas Strobe 2 " WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 33 DRAM Data Bus 9 PHBTT12, 12mA DRAMD10 " DRAM Data Bus 10 " DRAMD11 " DRAM Data Bus 11 " Vssp 5 V Gnd DRAMD12 Input DRAM Data Bus 12 PHBTT12, 12mA Vddp WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 34 Vsso 5 V Gnd DRAMA0 DRAM Address Bus 0 PHOB8, 8 mA DRAMA1 " DRAM Address Bus 1 " DRAMA2 " DRAM Address Bus 2 " DRAMA3 " DRAM Address Bus 3 " WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 35 Address Bus 5 for ROM PHOB8, 8 mA ADDR6 " Address Bus 6 for ROM " ADDR7 " Address Bus 7 for ROM " Vssi 3.3 V Gnd ADDR8 Address Bus 8 for ROM PHOB8, 8 mA WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 36 PLL Charge Pump Out : FILTER POBA Capacitor is connected CPU Test Mode : CPUTEST PHILD50, ST Tied to Gnd nRESET Reset Input PHIL, ST nRSTOUT Reset Output PHOB8, 8 mA 5-10 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 37 2 - 3 seconds, then the LED will scroll and the PROGRAM DOWNLOAD MODE will be activated. In this mode, you can download the program through the parallel port. MCLK A23-2 ROMCS ACC+1 SETUP HOLD Write Timing Diagram for Two Beat Burst Cycle WorkCentre Pro 412 5-11 August 2001 Launch Issue...
  • Page 38 64MBYTE of DRAM in this system. 0xf f f f f f f bank3 Next bank3 Bas e bank2 Next bank2 Bas e bank1 Next bank1 Bas e bank0 Next bank0 Bas e 0x0000000 DRAM Bank Configuration 5-12 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 39 5Mhz MCLK nRAS nCAS column address r ow address column address DRAMA dat a 0 dat a 1 DRAMD Tcas Tcas FPM Read Timing Diagram WorkCentre Pro 412 5-13 August 2001 Launch Issue...
  • Page 40 FPM Write Timing Diagram Tcas clock type cycle # register cycle # register cycle # register 40 ns FPM 50 ns FPM 58Mhz 60 ns FPM 70 ns FPM SFR Values Example for FPM 5-14 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 41 While configuring the software, you must set the timing register of SFR considering the clock speed and the DRAM spec. wait dat a addr dat a wait 5Mhz MCLK nRAS nCAS r ow address column column DRAMA data 0 DRAMD data 1 Tcas Tcas EDO Read Timing Diagram WorkCentre Pro 412 5-15 August 2001 Launch Issue...
  • Page 42 FPM Write Timing Diagram Tcas clock type cycle # register cycle # register cycle # register 40 ns EDO 50 ns EDO 58Mhz 60 ns EDO 70 ns EDO SFR Values Example for FPM 5-16 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 43 READ and WRITE respectively. /IRQ is a signal for modem interrupt. Transmission speed of FM336 is supported up to 33.6k. The modem is connected to LINE through transformer directly. FAX TRANSCEIVER WorkCentre Pro 412 5-17 August 2001 Launch Issue...

  • Page 44: Scanner

    SRAM Mod ule Regis ter 1 024 x 8 n CS n RD n WR A [ 5 : 0] D [ 15 : 0] n XDREQ n XDACK DUOIP2 Block Diagram 5-18 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 45 Scaling of Input Image (1) Scaling factor: • Horizontal direction: 25 to 800% by 1% unit. • Vertical direction: 25 to 100% by 1% unit. (2) Scaling data memory: 2x8Kx8bits = 128Kbits (internal). WorkCentre Pro 412 5-19 August 2001 Launch Issue...
  • Page 46 ADDR- BUS Ana lo g Si gn al PI_TG Scanner PI1 , PI2 Tx_A, Tx_B, DAT A- BUS DAT A- BUS n Tx_A, nTx_B CIP3 D OCU MENT IMAGE External interface with CIP3 5-20 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 47 Mo to r nTX_A, B Con tro l TX_EN1, EN2 Interface CPU I/F CIP3 SRAM Mod ule Register 1 024 x 8 nRD nWR A [5:0] D [15:0] nXDREQ nXDACK Block diagram of CIP3 WorkCentre Pro 412 5-21 August 2001 Launch Issue...

  • Page 48: Host Interface

    PC, upload/download of the fax data to send or receive and monitoring the system control signal and overall system from PC are all processed through this part. Compatibility Hardware Handshaking Timing 5-22 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 49 6. Peripheral sets nACK high. This is the edge that should be used to clock the data into the host. 7. Host sets nAUTOFD low to indicate that it is ready for the next byte. 8. The cycle repeats, but this time it is a command cycle because BUSY is low. WorkCentre Pro 412 5-23 August 2001...
  • Page 50 • Three Receive Endpoints (2*32 and 1*64 bytes). • 8-bit parallel interface with two selectable modes - non-multiplexed. • multiplexed (Intel compatible). • DMA support for parallel interface. • MICROWIRE/PLUS Interface. • 28-pin SO package. 5-24 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 51 Circuit Description DATA_IN 0x00 DATA_IN DATA_OUT DATA_OUT D[7:0] ADDRESS ADDR 0x3F REGISTERFILE Non-Multiplexed Mode Interface Block Diagram D[7:0] input vvrte Address Read Data Burst Read Data Non-Multiplexed Mode Basic Timing Diagram WorkCentre Pro 412 5-25 August 2001 Launch Issue...

  • Page 52: Engine Controller

    If CPU does not turn back high a while after the paper hits the exit sensor, CPU detects this and inform as “Paper Jam2” (red LEDs on the OP panel will turn on). 5-26 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 53 R292, R293) and reference resistance (R284, R289, R294, R295) can vary depending on the motor actuation current value. It receives motor enable signal (2 phase) from CPU and generates bipolar pulse (constant-current) and sends its output to stepping motor input. WorkCentre Pro 412 5-27 August 2001 Launch Issue...

  • Page 54: High Voltage Power Supply

    The toner attached to the paper is melted by applying the heat (approx. 180°C) from the heat roller and the pressure (approx. 4kg) from the pressure roller. After the fixing process, the paper is sent out of the set to fin- ish the printing process. 5-28 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 55 Electrification Unit Block-Diagram THVPWM REGULATION SWITCHING CONTROL UNIT CIRCUIT TRANS CONTROL UNIT FE E DBACK THVEA SWITCHING REGULATION TRANS CONTROL UNIT CIRCUIT THVREAD FEED BACK ENVIRONMENT RECOGNITION CIRCUIT Transfer Output Unit Block Diagram WorkCentre Pro 412 5-29 August 2001 Launch Issue...
  • Page 56 Circuit Description MHV-PWM REGULATION TRANS SWITCHING CIRCUIT CONTROL UNIT CONTROL UNIT FEEDBACK MHV Output unit Block Diagram BIAS Output Unit Block Diagram 5-30 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 57 BIAS-PWM A708-Y ZD501 CON03-#24 100V U103-A R519 R509 R510 7407 2.2K R503 U101-B C501 R504 R512 100KF KA324 56.6KF MGR1/2W 12MF C504 R516 R511 R502 C502 MGR1/2W 50K R507 1W 3 12KF WorkCentre Pro 412 5-31 August 2001 Launch Issue...
  • Page 58 D526 Q302 A708Y R308 VR302 TEV-READ R302 R303 R304 R306 100KF C305 R314 R311 389KF 26.1KF KA324 333Z 1.7K 100KF C302 C303 D302 R305 1N4148 R301 10KF 470K C304 500V103Z VR301 C301 5-32 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 59 CPU, the transfer voltage output will differ according to the preset transfer table. The changes in transfer output required by each load is controlled by PWM-DUTY. WorkCentre Pro 412 5-33 August 2001...

  • Page 60: Ope Pba

    • LCD drive signals are sent from U1 P2-x pin group, P3-4 to P3-6 pins. • Machine status LED drive signals are sent from U1 LED0 to LED7. RESONATOR 7.37 MHz UART2 16u 2line Connector Reset MICOM Z8601 Key Matrix LEDs OPE BLOCK DIAGRAM 5-34 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 61: Liu Pba

    RING SIGNALS from the LINE section (TIP, RING) are further passed through C5, R3, ZD1, and ZD2 and ends up at U9, (PC 814). U9 then detects above RING SIGNAL and passes the output to MAIN B’D. The wire diagram’s C5 is RINGER CAPACITOR and it normally uses 1UF/250V. WorkCentre Pro 412 5-35 August 2001...

  • Page 62: Smps (Switching Mode Power Supply) Unit

    +26.40V) +12.60V) 2) Dynamic input including set including set change error error 3) Dynamic load change Refer to ripple & noise 150mVp-p or less 500mVp-p or 150mVp-p or less less 5-36 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 63 5-8-4-1. Fixed Lamp Control Circuit AC Power Live AC Neutral L501 R503 Zero crossing circuit Logic Unit Fuser On C502 THY501 R505 SMPS Unit R502 U501 CON502 DC Power Fixed Lamp Control Circuit WorkCentre Pro 412 5-37 August 2001 Launch Issue...
  • Page 64 (VAC). At this point, the width of rise rate will be determined by dv/dt and over- shoot voltage, by the circuit. When triac commutes off-line, the voltage of both ends of triac will have the same voltage as the line voltage. Inductive I Inductive Circuit 5-38 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 65: Disassembly And Reassembly

    5. Do not use force to remove or install plastic components. 6. Make sure all components are correctly installed. 6-2 Rear Cover 2. Separate the rear cover from the base frame and scanner assembly. 1. Remove the six screws securing the rear cover. WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 66: Scanner Assembly

    CCD cable pin damage. 5. Pull up the scanner assembly in the direction of arrow. 3. Open the side cover assembly and front cover, as shown below. Side Cover Ass’y Front Cover WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 67 10. Unplug the one connector and remove the OPE 7. Pull the ADF assembly upward and remove it. assembly. 8. Remove the eight screws securing the platen assembly. 9. Unlatch the scan upper assembly securing the glass and remove it. WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 68 12. Remove the five screws and dummy scanner lower. 15. Remove three screws and take out the motor bracket. Dummy Scan Lower 13. Remove the CCD cable. 16. Remove two screws and take out the platen PBA. Platen PBA WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 69: Adf Assembly

    Platen Cover Ass’y 4. Remove two screws and take out the ADF motor assembly. Platen Cover Ass’y Cover Side L ADF Motor Ass’y WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 70: Ope Assembly

    - Scanner assembly (see page 6-4). 2. Pull the overlay upward and remove it. Overlay 5. Remove the key pad from the unit. 3. Remove nine screws securing the OPE PBA to the OPE cover. WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 71: Side Cover Assembly

    4. Unlatch the MP tray securing the side cover assembly and remove it. 2. Release the right-bottom of the cover, then pull it the direction of arrow to release the other end. MP Tray WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 72 Disassembly and Reassembly 5. Unlatch the duplex assembly securing the side 6. Take out the exit roller, as shown below. cover assembly and remove it WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 73: Fuser Assembly

    2. Unplug the connector. 5. Remove the two screws and take out the heat roller. 3. Remove the four screws and take out the fuser assembly. 6. Remove the halogen lamp from the heat roller. WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 74: Exit Assembly

    1. Before you remove exit assembly, you should remove: - Rear cover (see page 6-3). - Scanner assembly (see page 6-4). - Side cover assembly (see page6-9). 2. Remove three screws and unlatch the exit assembly, as shown below. 6-10 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 75: Cover Paper Exit Assembly

    - Scanner assembly (see page 6-4). - Side cover assembly (see page 6-9). - Exit assembly (see page 6-12). 2. Remove four screws and take out the dummy base frame. Dummy Base Frame WorkCentre Pro 412 6-11 August 2001 Launch Issue...

  • Page 76: Drive Assembly

    - Scanner assembly (see page 6-4). - Side cover assembly (see page 69). - Exit assembly (see page 6-12). 2. Unplug the all connectors. 4. Remove the one screw and take out the fan and dust fan. 6-12 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 77: Smps

    1. Before you remove the LSU, you should remove: - Rear cover (see page 6-3). - Scanner assembly (see page 6-4). - Side cover assembly (see page 6-9). - Exit assembly (see page 6-12). 2. Unplug the two connectors. WorkCentre Pro 412 6-13 August 2001 Launch Issue...

  • Page 78: Main Frame Assembly

    - LSU (see page 6-15). - SMPS (see page 6-15). 2. Unplug the all connectors. 6-14 Cover Exit Rear 1. Remove the one screw and cover exit rear, as shown below. Cover Exit Rear 6-14 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 79: Mp Assembly

    6-15 MP Assembly 2. Remove the two screws and take out the dummy cover. 1. Unplug the two connectors. Dummy Cover 3. Pull the MP assembly upward and remove it. MP Ass’y WorkCentre Pro 412 6-15 August 2001 Launch Issue...

  • Page 80: Feed Assembly

    1. Remove the three screws. Feed Ass’y 6-17 Pick Up Assembly 2. Remove the two screws and take out the pick up assembly, as shown below. 1. Unplug the three connectors. Pick-up Ass’y 6-16 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 81: Main Pba

    PBA from the shield main lower. 1. Remove the two screws and take out the shield Main PBA main lower. 3. Unlatch the LIU PBA securing the main PBA and remove it. LIU PBA Main PBA WorkCentre Pro 412 6-17 August 2001 Launch Issue...
  • Page 82 Disassembly and Reassembly This page intentionally blank 6-18 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 83: Maintenance & Troubleshooting

    Loaded document has jammed Clear the document Jam. in the feeder when document jam occurred at ADF module DOOR OPEN The side cover is not securely Close the cover until it clicks in latched. place. WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 84 OVERHEAT The printer has overheated. The machine will automatically return to the standby mode when it cools down to normal operating temperature. If fail- ure persists, install a new ELA HOU-FUSER, PL 1-14. WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 85 Install a new ELA -TONER the toner empty condition. UNIT SET, PL 1-8 DRUM WARNING The machine has encountered The drum is nearing the end of the drum life,14000 print pages. it’s life. WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 86 The machine has detected no Clear the jam. feed from bypass Tray. DUPLEX JAM The machine detected a duplex Clear the jam. jam in the middle of machine. LINE BUSY The remote FAX didn’t answer Try again. WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 87 This test checks the operation of the LCD display and the LED indicators that interface the switches on the operation panel. • Modem Test This test causes the machine to generate a particular frequency to verify the operation of the modem and it’s control circuits. WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 88 Contact Image Sensor. Check for the waveform in the pattern. For best results the waveform should be level. If there are many points sharply broken, perform the adjust shading procedure several times until the waveform is level. WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 89: Maintenance List

    4. Scroll to the options by pressing Up or Down key repeatedly until you find the one you want. 5. Press Start to begin the test. 6. After the engine test is finished, press Stop to exit the engine test mode. WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 90 - The Remote Fax machine will automatically program the received image on its flash memory. - If ECM mode is off, or Received Memory is not empty, or machine is being used, the remote upgrade will not be performed. WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 91: Scanner

    • Remake shading profile in the quality Tech mode. • Check the gap between original • A gap greater than 0.5mm can and scanner glass. cause a blurred image. • Check printing quality. • See “Print” troubleshooting. WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 92 • Check the motor driver in Driver • If any driver is defective, PBA. replace the main PBA. - U55 or U55-1, 15 = 0V to 24V swing signal when operating. 7-10 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 93 CCD carriage moves smoothly. • Check the motor driver in Driver • If any driver is defective, PBA. replace the Main PBA. - U55 or U56-19 = 0V to 24V swing signal when operating. WorkCentre Pro 412 7-11 August 2001 Launch Issue...

  • Page 94: Fax

    • Replace LIU PBA if it cannot be matic FAX recep- Check ring pattern at CN1-9 checked. tion (LIU PBA). • Refer to ‘Defective FAX Trans- • Refer to ‘Defective FAX Trans- mission’. mission.’ 7-12 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 95: Print Quality

    1. LSU light power normal? 1. Check the rated level and 2. Bias voltage output is high? replace. 3. Video data is always supplied? 2. Set to correct voltage. 3. Replace defected board. WorkCentre Pro 412 7-13 August 2001 Launch Issue...
  • Page 96 1. High voltage output. 1. Check all high voltage out- 2. Pre-transfer lamp. puts. 3. Bad high voltage contact. 2. Check the operation of the pre-transfer lamp. 3. Clean the contaminated con- tact. 7-14 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 97 2. Clean charge roller. 3. Heat roller contamination. 3. Install a new fuser. 4. Malfunction of LSU. 4. Check Main PBA. Roller Abnormal image period Kind of abnormal image OPC drum 94.29mm White spot WorkCentre Pro 412 7-15 August 2001 Launch Issue...
  • Page 98 Supply roller 42.70mm Horizontal density band Developer 56.52mm Horizontal density band roller Transfer roller 57.78mm Black side contamination/transfer fault Heat roller 82.89mm Black spot, White spot Pressure roller 69.08mm Black side contamination WorkCentre Pro 412 7-16 August 2001 Launch Issue...
  • Page 99 Maintenance & Troubleshooting No Image WorkCentre Pro 412 7-17 August 2001 Launch Issue...
  • Page 100 Maintenance & Troubleshooting 7-18 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 101 Maintenance & Troubleshooting All Black WorkCentre Pro 412 7-19 August 2001 Launch Issue...
  • Page 102 Maintenance & Troubleshooting Vertical White Line (Band) 7-20 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 103 Maintenance & Troubleshooting Dark Image WorkCentre Pro 412 7-21 August 2001 Launch Issue...
  • Page 104 Maintenance & Troubleshooting Background 7-22 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 105 Maintenance & Troubleshooting Ghost WorkCentre Pro 412 7-23 August 2001 Launch Issue...
  • Page 106 Maintenance & Troubleshooting Black Dot 7-24 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 107 Maintenance & Troubleshooting Horizontal Band WorkCentre Pro 412 7-25 August 2001 Launch Issue...
  • Page 108 Maintenance & Troubleshooting Irregular Density 7-26 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 109 Maintenance & Troubleshooting White Spot WorkCentre Pro 412 7-27 August 2001 Launch Issue...
  • Page 110 Maintenance & Troubleshooting Trailing Edge Disturbance When Printing Transparencies 7-28 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 111 Maintenance & Troubleshooting Poor Fusing WorkCentre Pro 412 7-29 August 2001 Launch Issue...

  • Page 112: Malfunction

    1. Paper is curled and cannot exit. path obstructions 2. Paper is curled in the exit cover. 2. Check the ribs of exit cover for obstructions to the paper path, clean the ribs or install a new cover. 7-30 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 113 3. Face-down stacking is recommended for spe- cific papers and one-sheet feed. Engine 1. Check CBF Harness_CN7. Refer to troubleshooting “ENGINE ERROR”. Error (Main PBA to LSU) WorkCentre Pro 412 7-31 August 2001 Launch Issue...
  • Page 114 Maintenance & Troubleshooting No Power (No LCD or LEDs) 7-32 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 115 Maintenance & Troubleshooting Fuser Error WorkCentre Pro 412 7-33 August 2001 Launch Issue...
  • Page 116 Maintenance & Troubleshooting Paper Jam (Mis-feeding) 7-34 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 117 Maintenance & Troubleshooting Paper Jam (Jam 1) WorkCentre Pro 412 7-35 August 2001 Launch Issue...
  • Page 118 Maintenance & Troubleshooting Engine Error 7-36 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 119: Exploded View & Parts List

    Exploded View & Parts List 8. Exploded View & Parts List 8-1. Main Exploded View & Parts List WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 120 FAN-DC 127N01375 PPR-OVERLAY 091N00677 NOT SPARED PPR-OVERLAY (English) 892E62830 PPR-OVERLAY (English/French) 892E80010 PPR-OVERLAY (French) 892E62840 PPR-OVERLAY (German) 892E62870 PPR-OVERLAY (Italian) 892E62860 PPR-OVERLAY (Spanish) 892E62850 PPR-OVERLAY (Portuguese) 892E62880 PPR-OVERLAY (Finnish) 892E79920 PPR-OVERLAY (Dutch) 892E62890 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 121 140N05945 PBA LIU (Eastern Europe) 140N05946 PMO-DUMMY BASE FRAME NOT SPARED IPR-SHIELD MAIN LOWER NOT SPARED PMO-COVER FEED AY NOT SPARED PMO-COVER BRKT MOTER 002N02017 PMO-GUIDE PAPER OUT 038N00371 PMO-DUCT FAN NOT SPARED WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 122: Platen Ass'y Exploded View & Parts List

    Exploded View & Parts List 8-2. Platen Ass’y Exploded View & Parts List WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 123 RMO-RUBBER TEL 019N00617 PMO-KEY TEL 029N00274 RMO-RUBBER SCROLL 019N00618 PMO-KEY FUNCTION(A) 029N00275 PMO-KEY SCROLL 029N00280 PMO-KEY FUNCTION(B) 029N00276 PBA SUB-OPE(XEROX) 140N05937 3-10 PMO-KEY REPORT 029N00277 3-11 PMO-KEY STOP 029N00278 3-12 PMO-KEY START 029N00279 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 124: Adf Ass'y Exploded View & Parts List

    Exploded View & Parts List 8-3. ADF ASS’Y Exploded View & Parts List 1-16 1-19 1-21 1-20 1-17 1-18 1-12 1-13 1-10 1-15 1-11 4-11 3-17 3-19 3-18 3-12 3-11 3-10 3-15 3-13 3-13 3-14 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 125 ELA HOU-ADF LOWER ASS’Y 600N01740 SPRING TORSION DOC E-RING GEAR-ADF 38 PMO-BUSH 013N00513 MEC-ROLLER DRIVE 007N01113 COVER ADF LOWER PMO-ACTUATOR SENSOR DOC 130N01202 PMO ACTUATOR SENSOR REG 130N01215 MEC-ROLLER EXIT 022N01473 3-10 BUSHING HOLDER WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 126 PMO-WHITE CLUTCH SUB 29 GEAR-CLUTCH IDLE 39 GEAR DOUBLE 33/20 E-RING GEAR-DOUBLE 17/35 GEAR IDLE 25 MOTOR ADF NOT SPARED 4-10 GEAR-JAM NOB NOT SPARED 4-11 GEAR REDUCTION45/19 MEC RACK-PICK UP ASS’Y 002N02001 SCREW-TAPTITE WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 127 Exploded View & Parts List This page intentionally blank. WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 128: Side Cover Ass'y Exploded View & Parts List

    Exploded View & Parts List 8-4. Side Cover Ass’y Exploded View & Parts List 3-2 3-1 1-4 1-4 11-4 1-10 1-11 1-10 10-2 10-3 10-4 10-5 10-6 8-10 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 129 SPRING-LOCKER TORSION 009N01366 SPRING-FEED 022N01476 MEC RACK-TRAY ASS’Y 002N02011 10-1 PMO-TRAY CASE, MP 10-2 PMO-SIDE EXIT, MP 10-3 PMO-SIDE GUIDE, MP 10-4 PMO-TRAY COVER, MP 10-5 IPR-GUIDE LATCH, MP 10-6 PMO-TRAY LINK,MP WorkCentre Pro 412 8-11 August 2001 Launch Issue...
  • Page 130 CBF HARNESS-OPE GND 11-1 PMO-GUIDE DP SIDE PMO-TIE STOPPER 120N00394 IPR-BRKT GROUND B IPR-BRKT GROUND TR IPR-BRKT GROUND A IPR-BRACKET GUIDE B PMO-BUSHING FEED IPR-PLATE SAW PMO-FEED FRAME PMO-HOLDER SAW IPR-BRACKET GUIDE A 8-12 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 131 Exploded View & Parts List This page intentionally blank. WorkCentre Pro 412 8-13 August 2001 Launch Issue...

  • Page 132: Cassette Ass'y Exploded View & Parts List

    Exploded View & Parts List 8-5. Cassette Ass’y Exploded View & Parts List 8-14 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 133 IPR-SPR PLT G/SIDE 015N00437 PMO-COVER CASSETTE PMO-FRAME CASSETTE PMO-GUIDE FRONT CST PMO-GUIDE REAR 032N00351 PMO-GUIDE/SIDE CST 032N00352 PMO-LOCKER PLATE 015N00438 PRP-PAD CAST 019N00611 SPRING-LOCKER PLATE 015N00439 SPRING-PLATE K/UP 015N00435 LABEL(R)-INSTRUCTION CST LABEL(R)-HEIGHT CST SCREW-TAPTITE WorkCentre Pro 412 8-15 August 2001 Launch Issue...

  • Page 134: Exit Ass'y Exploded View & Parts List

    Exploded View & Parts List 8-6. Exit Ass’y Exploded View & Parts List 8-16 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 135 PMO-BEARING LARGE DP 013N00514 PMO-BEARING LARGE DP 013N00514 IPR-GROUND-EXIT ICT-SHAFT-EXIT LOWER ID PMO-ROLLER_EXIT SPRING-EXIT ROLL FD PMO-HOLDER EXIT ROLL PMO-ROLLER FD F PMO-ROLLER FD R SPRING-EXIT LOWER IDLE MEC- BRUSH ANTISTATIC 115N00354 SCREW-TAPTITE WorkCentre Pro 412 8-17 August 2001 Launch Issue...

  • Page 136: Feeder Ass'y Exploded View & Parts List

    Exploded View & Parts List 8-7. Feeder Ass’y Exploded View & Parts List 8-18 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 137 PMO-BRKT FEED PMO-ROLLER FEED 022N01470 PMO-HOLDER PINCH C PMO-HOLDER PINCH SUB PMO-ROLLER FEED L SPRING-FEED CAST PMO-HOLDER PINCH M PMO-SUB HOLDER FEED SPRING-FEED MP WASHER-PLAIN PMO-ROLLER FEED S IPR-SHAFT FEED IDLER SCREW-TAPTITE WorkCentre Pro 412 8-19 August 2001 Launch Issue...

  • Page 138: Mp Ass'y Exploded View & Parts List

    Exploded View & Parts List 8-8. MP Ass’y Exploded View & Parts List 8-20 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 139 130N01206 PMO-HOUSING PICK UP,MP PMO-PLATE KNOCK UP,MP PMO-IDLE PICK UP MP 013N00516 RPR-RUBBER PICK UP,MP RPR-RCT-PAD-PICKUP,MP 019N00612 RPR-PAD KNOCK UP MP 019N00614 PBA SUB-MP SEN 130N01203 PMO-BUSHING PICKUP,MP 013N00515 A/S MATERAL-PICKUP,MP 022N01484 WorkCentre Pro 412 8-21 August 2001 Launch Issue...

  • Page 140: Base Frame Exploded View & Parts List

    Exploded View & Parts List 8-9. Base Frame Exploded View & Parts List 8-22 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 141 SPRING-TORSION FOOT-RUBBER 017N00212 CAM-CATCH IPR-CHANNEL BASE FRAME IPR-GROUND PLATE A(OPC) 015N00440 IPR-GROUND PLATE B(BASE) 015N00441 PMO-BASE FRAME PMO-BRACKET PUSH DEVE PMO-BRACKET SIDE OPEN 030N00606 PMO-COVER FRONT DUMMY ELA M/MEDIO AUD-SPEAKER 130N01213 SPRING-DEVE WorkCentre Pro 412 8-23 August 2001 Launch Issue...

  • Page 142: Pick-Up Ass'y Exploded View & Parts List

    Exploded View & Parts List 8-10. Pick-up Ass’y Exploded View & Parts List 8-24 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 143 PMO-GUIDE PAPER PMO-HOLDER SENSOR FEED PMO-LENS TONER SENSOR PMO-PTL PATH PMO-SHAFT PICK UP RPR-RUBBER PICK UP 022N01477 SPRING-PICKUP 009N01362 SCREW-TAPTITE PBA SUB-FEED+P.EMP SEN. 130N01204 PBA SUB-PTL 140N05940 PBA SUB-TONER_TX 130N01207 A/S MATERAL-PICKUP,CST 022N01484 WorkCentre Pro 412 8-25 August 2001 Launch Issue...

  • Page 144: Drive Ass'y Exploded View & Parts List

    Exploded View & Parts List 8-11. Drive Ass’y Exploded View & Parts List 8-26 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 145 GEAR-EXIT/U,ID GEAR-SWING DRV GEAR-35/19 GEAR-71/23 GEAR-DEVE DRV PMO-DEV/COUPLING GEAR-RDCN,OPC GEAR-86/23 GEAR-RDCN FEED OUTER GEAR-HUB CLUTCH GEAR-RDCN FEED INNER GEAR-FEED DRV GEAR-OPC DRV GEAR-GEAR FUSER DRV OUTER GEAR-FUSER DRV INNER RING-E SCREW-TAPTITE SCREW-TAPTITE WorkCentre Pro 412 8-27 August 2001 Launch Issue...

  • Page 146: Main Frame Ass'y Exploded View & Parts List

    8-12. Main Frame Ass’y Exploded View & Parts List 1-19 1-22 1-32 1-23 1-28 1-13 1-25 1-27 1-33 1-25 1-12 1-24 1-24 1-24 1-26 1-29.1-30 1-31 1-16 1-18 1-20 1-17 1-10 1-21 1-15 1-11 8-28 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 147 1-30 PMO-CAP CONNECTOR U 113N00365 1-31 CBF-HARNESS; RESISTOR ASS’Y(100Mohrn) 1-32 SPRING-CLUTCH 1-33 RING-CS NUT-HEXAGON SCREW-TAPPING,M2*18 NOT SPARED SCREW-ASS’Y MACH SCREW-TAPTITE,M3*8 BLACK,BINDER PMO-CAM JAM REMOVE 011N00465 PMO-LOCKER DEVE 011N00465 PMO-LEVER JAM REMOVE 011N00465 WorkCentre Pro 412 8-29 August 2001 Launch Issue...

  • Page 148: Fuserass'y Exploded View & Parts List

    Exploded View & Parts List 8-13. FuserAss’y Exploded View & Parts List 8-30 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 149 LAMP-HALOGEN(220V) 122N00209 220V PMO-LOWER FUSER THERMISTOR-FUSER 126N00185 BEARING-PRESSURE/R RMO-ROLLER PRESSURE PMO-LEVER JAM R PMO-LEVER JAM F PMO-GUIDE INPUT IPR-GROUND FU PMO-ACTUATOR EXIT PMO-GUIDE DUPLEX 032N00353 PMO-ARM ACTUATOR SPRING-PR(7300) LABEL(R)-HV FUSER SCREW-TAPTITE SCREW-TAPTITE WorkCentre Pro 412 8-31 August 2001 Launch Issue...
  • Page 150 Exploded View & Parts List This page intentionally blank. 8-32 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 151: Electrical Parts Lists

    0501-000338 TR-SMALL SIGNAL“2SC2812,NPN,200mW,SOT-23,TP,20” 0501-000338 TR-SMALL SIGNAL“2SC2812,NPN,200mW,SOT-23,TP,20” 0501-000338 TR-SMALL SIGNAL“2SC2812,NPN,200mW,SOT-23,TP,20” 0502-000245 TR-POWER“KSB1151-Y,PNP,1.3W,TO-126,-,16” 0502-001048 TR-POWER“KSD1691,NPN,1.3W,TO-126,BK,160” 0801-000379 IC-CMOS LOGIC“74HC00,NAND GATE,SOP,14P,150MI” 0801-000454 IC-CMOS LOGIC“74HC74,D FLIP-FLOP,SOP,14P,150” 0801-000477 IC-CMOS LOGIC“74HCT273,D FLIP-FLOP,SOP,20P,3” 0801-000477 IC-CMOS LOGIC“74HCT273,D FLIP-FLOP,SOP,20P,3” 0801-001055 IC-CMOS LOGIC“74VHC08,AND GATE,SOP,14P,150MI” WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 152 R-CHIP“0OHM,5%,1/8W,DA,TP,3216” 2007-000070 R128 R-CHIP“0ohm,5%,1/16W,DA,TP,1608” 2007-000070 R172 R-CHIP“0ohm,5%,1/16W,DA,TP,1608” 2007-000070 R-CHIP“0ohm,5%,1/16W,DA,TP,1608” 2007-000070 R-CHIP“0ohm,5%,1/16W,DA,TP,1608” 2007-000070 R-CHIP“0ohm,5%,1/16W,DA,TP,1608” 2007-000070 R-CHIP“0ohm,5%,1/16W,DA,TP,1608” 2007-000070 R-CHIP“0ohm,5%,1/16W,DA,TP,1608” 2007-000070 R313 R-CHIP“0ohm,5%,1/16W,DA,TP,1608” 2007-000070 R-CHIP“0ohm,5%,1/16W,DA,TP,1608” 2007-000070 R-CHIP“0ohm,5%,1/16W,DA,TP,1608” 2007-000070 R-CHIP“0ohm,5%,1/16W,DA,TP,1608” 2007-000074 R-CHIP“100ohm,5%,1/16W,DA,TP,1608” 2007-000074 R110 R-CHIP“100ohm,5%,1/16W,DA,TP,1608” 2007-000070 R-CHIP“0ohm,5%,1/16W,DA,TP,1608” WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 153 R-CHIP“1Kohm,5%,1/16W,DA,TP,1608” 2007-000078 R326 R-CHIP“1Kohm,5%,1/16W,DA,TP,1608” 2007-000078 R327 R-CHIP“1Kohm,5%,1/16W,DA,TP,1608” 2007-000078 R-CHIP“1Kohm,5%,1/16W,DA,TP,1608” 2007-000078 R-CHIP“1Kohm,5%,1/16W,DA,TP,1608” 2007-000080 R194 R-CHIP“2Kohm,5%,1/16W,DA,TP,1608” 2007-000082 R294 R-CHIP“3.3Kohm,5%,1/16W,DA,TP,1608” 2007-000083 R223 R-CHIP“3Kohm,5%,1/16W,DA,TP,1608” 2007-000083 R333 R-CHIP“3Kohm,5%,1/16W,DA,TP,1608” 2007-000084 R-CHIP“4.7Kohm,5%,1/16W,DA,TP,1608” 2007-000084 R-CHIP“4.7Kohm,5%,1/16W,DA,TP,1608” 2007-000084 R202 R-CHIP“4.7Kohm,5%,1/16W,DA,TP,1608” 2007-000084 R231 R-CHIP“4.7Kohm,5%,1/16W,DA,TP,1608” WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 154 R-CHIP“10Kohm,5%,1/16W,DA,TP,1608” 2007-000090 R302 R-CHIP“10Kohm,5%,1/16W,DA,TP,1608” 2007-000090 R-CHIP“10Kohm,5%,1/16W,DA,TP,1608” 2007-000090 R-CHIP“10Kohm,5%,1/16W,DA,TP,1608” 2007-000090 R330 R-CHIP“10Kohm,5%,1/16W,DA,TP,1608” 2007-000090 R-CHIP“10Kohm,5%,1/16W,DA,TP,1608” 2007-000090 R-CHIP“10Kohm,5%,1/16W,DA,TP,1608” 2007-000090 R-CHIP“10Kohm,5%,1/16W,DA,TP,1608” 2007-000090 R-CHIP“10Kohm,5%,1/16W,DA,TP,1608” 2007-000090 R-CHIP“10Kohm,5%,1/16W,DA,TP,1608” 2007-000090 R-CHIP“10Kohm,5%,1/16W,DA,TP,1608” 2007-000090 R-CHIP“10Kohm,5%,1/16W,DA,TP,1608” 2007-000090 R-CHIP“10Kohm,5%,1/16W,DA,TP,1608” 2007-000092 R156 R-CHIP“15Kohm,5%,1/16W,DA,TP,1608” 2007-000092 R235 R-CHIP“15Kohm,5%,1/16W,DA,TP,1608” WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 155 R-CHIP“33ohm,5%,1/16W,DA,TP,1608” 2007-000113 R238 R-CHIP“33ohm,5%,1/16W,DA,TP,1608” 2007-000113 R301 R-CHIP“33ohm,5%,1/16W,DA,TP,1608” 2007-000113 R-CHIP“33ohm,5%,1/16W,DA,TP,1608” 2007-000113 R-CHIP“33ohm,5%,1/16W,DA,TP,1608” 2007-000120 R-CHIP“680ohm,5%,1/16W,DA,TP,1608” 2007-000121 R246 R-CHIP“820ohm,5%,1/16W,DA,TP,1608” 2007-000121 R-CHIP“820ohm,5%,1/16W,DA,TP,1608” 2007-000123 R116 R-CHIP“1.5Kohm,5%,1/16W,DA,TP,1608” 2007-000123 R254 R-CHIP“1.5Kohm,5%,1/16W,DA,TP,1608” 2007-000123 R257 R-CHIP“1.5Kohm,5%,1/16W,DA,TP,1608” 2007-000123 R329 R-CHIP“1.5Kohm,5%,1/16W,DA,TP,1608” 2007-000123 R331 R-CHIP“1.5Kohm,5%,1/16W,DA,TP,1608” WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 156 R-NETWORK“100ohm,5%,1/16W,L,CHIP,8P,TP” 2011-001094 R-NETWORK“39ohm,5%,63mW,L,CHIP,8P,TP” 2011-001094 RA10 R-NETWORK“39ohm,5%,63mW,L,CHIP,8P,TP” 2011-001094 RA11 R-NETWORK“39ohm,5%,63mW,L,CHIP,8P,TP” 2011-001094 RA12 R-NETWORK“39ohm,5%,63mW,L,CHIP,8P,TP” 2011-001094 RA13 R-NETWORK“39ohm,5%,63mW,L,CHIP,8P,TP” 2011-001094 RA14 R-NETWORK“39ohm,5%,63mW,L,CHIP,8P,TP” 2011-001094 RA15 R-NETWORK“39ohm,5%,63mW,L,CHIP,8P,TP” 2011-001094 RA16 R-NETWORK“39ohm,5%,63mW,L,CHIP,8P,TP” 2011-001094 RA17 R-NETWORK“39ohm,5%,63mW,L,CHIP,8P,TP” 2011-001094 RA18 R-NETWORK“39ohm,5%,63mW,L,CHIP,8P,TP” 2011-001094 RA19 R-NETWORK“39ohm,5%,63mW,L,CHIP,8P,TP” WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 157 2203-000189 C165 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C166 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C167 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C168 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C169 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C170 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C171 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C172 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C173 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C174 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C176 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 158 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C247 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C248 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C249 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C251 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C253 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C254 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C262 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C263 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C264 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 C265 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 159 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000189 “C-CERAMIC,CHIP”“100nF,+80-20%,25V,Y5V,TP,1608,” 2203-000192 C280 “C-CERAMIC,CHIP”“100nF,+80-20%,50V,Y5V,TP,2012,” 2203-000192 C293 “C-CERAMIC,CHIP”“100nF,+80-20%,50V,Y5V,TP,2012,” 2203-000192 C295 “C-CERAMIC,CHIP”“100nF,+80-20%,50V,Y5V,TP,2012,” 2203-000192 C297 “C-CERAMIC,CHIP”“100nF,+80-20%,50V,Y5V,TP,2012,” 2203-000192 C299 “C-CERAMIC,CHIP”“100nF,+80-20%,50V,Y5V,TP,2012,” 2203-000192 “C-CERAMIC,CHIP”“100nF,+80-20%,50V,Y5V,TP,2012,” 2203-000192 C327 “C-CERAMIC,CHIP”“100nF,+80-20%,50V,Y5V,TP,2012,” 2203-000192 “C-CERAMIC,CHIP”“100nF,+80-20%,50V,Y5V,TP,2012,” 2203-000236 C106 “C-CERAMIC,CHIP”“0.1nF,5%,50V,NP0,TP,1608” 2203-000236 C130 “C-CERAMIC,CHIP”“0.1nF,5%,50V,NP0,TP,1608” WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 160 2203-000440 C322 “C-CERAMIC,CHIP”“1nF,10%,50V,X7R,TP,1608,-” 2203-000440 C323 “C-CERAMIC,CHIP”“1nF,10%,50V,X7R,TP,1608,-” 2203-000440 C324 “C-CERAMIC,CHIP”“1nF,10%,50V,X7R,TP,1608,-” 2203-000440 C325 “C-CERAMIC,CHIP”“1nF,10%,50V,X7R,TP,1608,-” 2203-000440 C335 “C-CERAMIC,CHIP”“1nF,10%,50V,X7R,TP,1608,-” 2203-000440 C340 “C-CERAMIC,CHIP”“1nF,10%,50V,X7R,TP,1608,-” 2203-000440 “C-CERAMIC,CHIP”“1nF,10%,50V,X7R,TP,1608,-” 2203-000626 C115 “C-CERAMIC,CHIP”“0.022nF,5%,50V,NP0,TP,1608” 2203-000626 C120 “C-CERAMIC,CHIP”“0.022nF,5%,50V,NP0,TP,1608” 2203-000626 C157 “C-CERAMIC,CHIP”“0.022nF,5%,50V,NP0,TP,1608” 2203-000626 C160 “C-CERAMIC,CHIP”“0.022nF,5%,50V,NP0,TP,1608” 9-10 WorkCentre Pro 412 August 2001 Launch Issue...
  • Page 161 C175 C-AL“470uF,20%,16V,GP,TP,10x12.5,5” 2401-002300 C-AL“47uF,20%,50V,GP,TP,6.3x11,5” 2401-002300 C285 C-AL“47uF,20%,50V,GP,TP,6.3x11,5” 2401-002300 C326 C-AL“47uF,20%,50V,GP,TP,6.3x11,5” 2401-002300 C-AL“47uF,20%,50V,GP,TP,6.3x11,5” 2401-002300 C-AL“47uF,20%,50V,GP,TP,6.3x11,5” 2404-000284 C180 “C-TA,CHIP”“10uF,20%,16V,-,TP,3528,-” 2404-000284 C234 “C-TA,CHIP”“10uF,20%,16V,-,TP,3528,-” 2404-000284 C244 “C-TA,CHIP”“10uF,20%,16V,-,TP,3528,-” 2703-000158 INDUCTOR-SMD“1uH,10%,1.25x2x0.85mm” 2801-003699 OSC2 CRYSTAL-UNIT“48MHz,50ppm,28-ABM,12pF,80ohm,” 2801-003960 OSC6 CRYSTAL-UNIT “28.224MHz,50ppm,28-AAA,18pF,35ohm,BK” WorkCentre Pro 412 9-11 August 2001 Launch Issue...
  • Page 162 BATTERY-NIH(2ND) “4.8V,70mAH,CYLINDRICAL,35mA/3hr,5.8V,” JB13-00002A IC ASIC-UNICON“MJC-1300G,UNICON,QFP,44P,-” JC11-10507A IC MASK ROM-HIGH“ML-165,KM23C8105DG,SOP,44P,600” JC11-10510A “IC MASK ROM-PCL6,LOW” “ml-165,KM23C8105DG,SOP,44P,600” JC13-00006A IC ASIC- SPGPE+ “ML-6060,KS32C61200,QFP,240P,36.4x4” JC13-00013A IC ASIC-IMAGE PROCESSOR “CIP3,SCX-5100,208,5V,-,QFP,TP” JC41-00125A PCB-MAIN “SCX-5100,FR-4,2L,V1.0,1.6T,235 X 215MM” JF68-30527N LABEL(R)-BAR CODE“SF500,PY,20X10,T0.1,WHT” 9-12 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 163: Block Diagram

    Block Diagram 10. Block Diagram WorkCentre Pro 412 10-1 August 2001 Launch Issue...
  • Page 164 Block Daigram This page intentionally blank 10-2 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 165: Connection Diagram

    Connection Diagram 11. Connection Diagram WorkCentre Pro 412 11-1 August 2001 Launch Issue...
  • Page 166 Connection Diagram This page intentionally blank 11-2 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 167: Schematic Diagrams

    Schematic Diagrams 12. Schematic Diagrams 12-1 Main Circuit Diagram (1 of 14) WorkCentre Pro 412 12-1 August 2001 Launch Issue...

  • Page 168: Main Circuit Diagram (2 Of 14)

    Schematic Diagrams 12-2 Main Circuit Diagram (2 of 14) 12-2 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 169: Main Circuit Diagram (3 Of 14)

    Schematic Diagrams 12-3 Main Circuit Diagram (3 of 14) WorkCentre Pro 412 12-3 August 2001 Launch Issue...

  • Page 170: Main Circuit Diagram (4 Of 14)

    Schematic Diagrams 12-4 Main Circuit Diagram (4 of 14) 12-4 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 171: Main Circuit Diagram (5 Of 14)

    Schematic Diagrams 12-5 Main Circuit Diagram (5 of 14) WorkCentre Pro 412 12-5 August 2001 Launch Issue...

  • Page 172: Main Circuit Diagram (6 Of 14)

    Schematic Diagrams 12-6 Main Circuit Diagram (6 of 14) 12-6 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 173: Main Circuit Diagram (7 Of 14)

    Schematic Diagrams 12-7 Main Circuit Diagram (7 of 14) WorkCentre Pro 412 12-7 August 2001 Launch Issue...

  • Page 174: Main Circuit Diagram (8 Of 14)

    Schematic Diagrams 12-8 Main Circuit Diagram (8 of 14) 12-8 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 175: Main Circuit Diagram (9 Of 14)

    Schematic Diagrams 12-9 Main Circuit diagram (9 of 14) WorkCentre Pro 412 12-9 August 2001 Launch Issue...

  • Page 176: Main Circuit Diagram (10 Of 14)

    Schematic Diagrams 12-10 Main Circuit Diagram (10 of 14) 12-10 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 177: Main Circuit Diagram (11 Of 14)

    Schematic Diagrams 12-11 Main Circuit Diagram (11 of 14) WorkCentre Pro 412 12-11 August 2001 Launch Issue...

  • Page 178: Main Circuit Diagram (12 Of 14)

    Schematic Diagrams 12-12 Main Circuit Diagram (12 of 14) 12-12 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 179: Main Circuit Diagram (13 Of 14)

    Schematic Diagrams 12-13 Main Circuit Diagram (13 of 14) WorkCentre Pro 412 12-13 August 2001 Launch Issue...

  • Page 180: Main Circuit Diagram (14 Of 14)

    Schematic Diagrams 12-14 Main Circuit Diagram (14 of 14) 12-14 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 181: Liu Circuit Diagram

    Schematic Diagrams 12-15 LIU Circuit Diagram WorkCentre Pro 412 12-15 August 2001 Launch Issue...

  • Page 182: Ope Circuit Diagram

    Schematic Diagrams 12-16 OPE Circuit Diagram 12-16 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 183: Hvps Circuit Diagram (1 Of 2)

    Schematic Diagrams 12-17 HVPS Circuit Diagram (1 of 2) WorkCentre Pro 412 12-17 August 2001 Launch Issue...

  • Page 184: Hvps Circuit Diagram (2 Of 2)

    Schematic Diagrams 12-18 HVPS Circuit Diagram (2 of 2) 12-18 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 185: Smps (110) Circuit Diagram

    Schematic Diagrams 12-19 SMPS (110) Circuit Diagram WorkCentre Pro 412 12-19 August 2001 Launch Issue...

  • Page 186: Smps (220) Circuit Diagram

    Schematic Diagrams 12-20 SMPS (220) Circuit Diagram 12-20 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 187: Adf Circuit Diagram

    Schematic Diagrams 12-21 ADF Circuit Diagram WorkCentre Pro 412 12-21 August 2001 Launch Issue...

  • Page 188: Flat Circuit Diagram

    Schematic Diagrams 12-22 Flat Circuit Diagram 12-22 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 189: Ptl Circuit Diagram

    Schematic Diagrams 12-23 PTL Circuit Diagram WorkCentre Pro 412 12-23 August 2001 Launch Issue...

  • Page 190: Sensor Circuit Diagram

    Schematic Diagrams 12-24 Sensor Circuit Diagram 12-24 WorkCentre Pro 412 August 2001 Launch Issue...

  • Page 191: Toner Rx Circuit Diagram

    Schematic Diagrams 12-25 Toner RX Circuit Diagram WorkCentre Pro 412 12-25 August 2001 Launch Issue...

  • Page 192: Toner Tx Circuit Diagram

    Schematic Diagrams 12-26 Toner TX Circuit Diagram 12-26 WorkCentre Pro 412 August 2001 Launch Issue...

Table of Contents