Toshiba 353, 452, 453, 350 service manual MJ-1023 Console finisher

Page 67

(4)Remove 2 screws and take off the cover on the front side.

(5)Remove 2 screws.

(6)Lift up the finisher and take it off.

2

Fig. 2-625

Fig. 2-626

Fig. 2-627

[E] MJ-1023 (Console finisher)

(1)Turn OFF the power and unplug the power cable.

(2)Take off the connector cover and disconnect the connector.

 

 

Fig. 2-628

© 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 2 - 47

e-STUDIO350/352/353/450/452/453

 

 

OUTLINE OF THE MACHINE

Image 67
Contents STUDIO350/450 e-STUDIO352/452 e-STUDIO353/453 Trademarks Service of Machines Transportation / InstallationMain Service Parts for Safety Contents Scanner 11-1 12-7 12.412-4 12-5Specifications Sets 196.93 181.36 System copy speed Copy mode SecApprox seconds temperature 20C Set 55.47 54.68 Sets 126.21 118.0780 g/m2 17 to 22 lb Automatic duplexing unit Stackless, Switchback typeLCF-Option Stack height 137.5 mm x 2 equivalent to Sheets 64 to 80 g/m2 17 to 22 lbSpecifications Accessories STUDIO350/450 Options2nd line for fax board STUDIO352/353/452/45307/11 Supplies Radf System ListSTAPLE-2000 12 2003 2008 Toshiba TEC Corporation All rights reserved Sectional View Outline of the Machine04/05  0 22 24 25 2 27 2 2003 2008 Toshiba TEC Corporation All rights reserved Unit construction Electric Parts LayoutA4 series Scanner unit Motor, sensor, lampLT series ASD/AUD/CND/SAD/TWD models Standard NAD/MJD models Option PC board, heater, thermostat, other partControl panel unit Motor, sensor, lamp, heater, thermistor, thermostat Process unit Motor, sensor, switch, PC boardPaper feeder unit Laser unitBypass unit Transport unitFuser unit Automatic duplexing unitCLT5 CLT6 CLT7 CLT8 HVT Drive unitSTUDIO350/450 PC board unitSTUDIO352/353/452/453 Symbols and Functions of Various Components Sensors and switches SFB-FED-SNR CST-U-SWCST-L-SW SFB-SNRSolenoids Electromagnetic clutchesPC boards Thermistors and thermostats Lamps and heatersOthers TransformerGeneral Description System block diagram2003 2008 Toshiba TEC Function of each board Construction of boards Construction diagram of boardsOutline of the Machine HVT Open the front cover Remove 1 screw and front left cover Installation and Replacement Covers and PC boardsExternal covers Front cover Front left coverRemove 7 screws and take off the rear cover Rear cover STUDIO350/450Upper rear cover Left upper coverFront upper cover Right upper coverLeft cover Receiving trayRemove 2 screws and take off the receiving tray Tray back coverSTUDIO350/352/353/450/452/453 Left rear coverIH terminal cover Right front hinge coverRight rear cover Right lower coverFront right cover Logic PC board LGC board A-1 LGC board PC boardsLGC board unit Hard disk / HDD cooling fan SYS board cover Remove 4 screws and take off the hard disk05/11 System control PC board case SYS board case STUDIO350/450Hard disk HDD cooling fan07/11 Remove 10 screws, take off the SYS board NIC board / System control PC board SYS board STUDIO350/450NIC board SYS board Switching power supplyHigh-voltage transformer Power supply cooling fanNoise filter MR-3015 Reversing Automatic Document Feeder Radf KD-1011 Paper Feed Pedestal PFP Turn OFF the power and unplug the power CableKD-1012 Large Capacity Feeder LCF 44 2003 2008 Toshiba TEC Corporation All rights reserved Lift up the equipment and take off the LCF MJ-1022 Hanging finisher D-1 When PFP/LCF is not installedRemove 2 screws Lift up the finisher and take it off When PFP/LCF is installedMJ-1023 Console finisher 48 2003 2008 Toshiba TEC Corporation All rights reserved MJ-1024 Console finisher MJ-6004 Hole punch unit Outline of the Machine 52 2003 2008 Toshiba TEC Corporation All rights reserved KN-3520 Bridge unit Lift up the punch unit and take it offMJ-5004 Job separator Outline of the Machine MJ-5005 Offset tray MR-3018 Reversing Automatic Document Feeder Radf 58 2003 2008 Toshiba TEC Corporation All rights reserved MJ-6101Hole punch unit MJ-1101 Console finisher60 2003 2008 Toshiba TEC Corporation All rights reserved Remove 2 screws Take off the hole punch unit 62 2003 2008 Toshiba TEC Corporation All rights reserved General Description of Copying Process Copy ProcessExample Details of Copying ProcessImage processing sec Tion Example CCD light Value of image Magnet Magnetic roller Toner 30-100 µm Additional Explanation Charger Used to forcibly separate the paper which was left Paper may not be separated from the drum surfaceBecause of moisture or malfunction of the transfer Separation charger during printing. As the resultRecovery blade Cleaning blade Drum rotation Comparison with DP4500/3500 Warming-up Overview of OperationDescription of Operation Copying operation Bypass feed copying Interrupt copyingDrawer feed copying Upper drawer paper feeding Ready state ready for copyingGeneral Operation Page Interruption copying Bypass feed copyingPress the Interrupt button Types of abnormality Detection of AbnormalityDescription of abnormality General Operation Paper jam E010 Paper jam E010 → The copying operation is stopped. TimerPaper jam E020 General Operation Immediately after the power is turned on Flow ChartYES Paper jam E00 Automatic paper feed copyingReady 16 2003 2008 Toshiba TEC Corporation All rights reserved Control Panel and Display Panel Control PanelItems Shown on the Display Panel Display Copying Saddle StitchTray Full Ready Change Drawer To Correct Paper SizeLarge Capacity Feeder Cannot Punch Check PaperThis Size Paper Counter DepartmentTo Correct Media Type Press Basic According to the messages displayed Radf Structure Dot matrix LCD circuitSystem control PC board Control panel LED display circuit Data TransmissionMethod of LED display ex Displaying Copy Disassembly and Replacement Hinge bracket DSP boardKEY board Remove 16 screws and take off the KEY boardFunction ScannerConstruction Mirror-2 Mirror-3 Scan motor Scanning drive circuit Motref MotclkMotdir MotenInitialization at power-ON General description Control of Exposure LampExposure lamp SLG board Control circuit for the exposure lampWorking conditions Opto-electronic conversion General Description of CCD ControlShading correction A4 Series LT Series Automatic Original Size Detection CircuitPrinciple of original size detection Process of detection of original sizeStlt APS-C APS-R When the platen sensor is OFFLED Protrusion Original glassLens cover Automatic original detection sensor APS sensor A4 series704L LT seriesLens unit Remove 2 seals and release the cable Carriage-1Rear side Align the bent portion of the lamp After the installation, move carriage-1With the position as shown in the figure Fix it with a sealINV board Carriage wire / Carriage-2Rear sides Remove the carriage wires on both front Mirror-1Platen sensor / Carriage home position sensor Mirrors-2SLG board 24 2003 2008 Toshiba TEC Corporation All rights reserved Followings are the boards used for image processing Image ProcessingSignal amplifi Configuration SLG Board FeaturesFunctions of image processing circuit After correction Example Reduction Example Enlargement 2003 2008 Toshiba TEC Corporation All rights reserved LGC Board Laser Driving PC Board LDR board APC Auto Power ControlON/OFF control of the semiconductive laser Laser Optical Unit Drve PC board Structure Laser beam Drum Devaton Laser Optical Unit Current and outputs the monitor current which is Light emission is started when the forward curLaser Diode Rent reaches or becomes larger than the thresholdPolygonal Motor Laser Optical Unit Cooling FanDrive circuit of the polygonal motor Laser optical unit LRL PC board Laser unit fan  20,2  FunctionsFeeding system Paper Feeding System Paper Feeding System Operation of bypass pickup roller OperationOperation of drawer pickup roller Feed roller Separation of paperReady status General operation From power-ON to ready statusBypass feeding Paper feeding IN1 IN2 Drive Circuit of Tray-up MotorRemove 2 screws and take off the right rear hinge cover Bypass unit A-1 Bypass unitScrew Open the side cover Hinge assemblyPlate Bracket Spring Pull out the hinge assembly from the bypass trayHinge assembly SFB boardSolenoid Bypass pickup solenoidSolenoid arm Bypass pickup roller Bypass paper sensorBypass transport roller Bypass feed rollerBypass separation roller Bypass feed clutchDrive unit Sensor plate Bypass feed sensorDisconnect the connector on the front side Disconnect 3 connectorsLower drawer feed sensor Jam access cover Cover Lead wireConnector TerminalFeed sensor Upper drawerSetscrew Registration rollerDrive gear unit Screw Ring Bushing Registration Roller Tray drive unit/Tray-up motor Paper Feeding System Clutch Transport clutch upper/lowerUpper transport clutch Lower transportTray-up sensor Drawer detection switch upper/lowerAttach the clutches to the shafts as shown on the right Drawer feeding unit upper/lower H-1 Drawer feeding unitSeparation roller Paper stock sensorPickup roller Feed rollerDrawer feed clutch 0.5mm Drive System 10.3.1Main motor drive Main MotorSignal names are for the connector CN318 LGC board 10.3.2Control signalsRegistration clutch Main motorGear unit Developer drive clutch Drive System Drum Related Section 11 2003 2008 Toshiba TEC Corporation All rights reserved Detection standard line Drum Related Section Overview Output Control Circuits of High-Voltage TransformerDescription of operations CN30-B7 Hvdvr Drum temperature detection circuit Drum Temperature Detection Circuit11.5.1General description Temperature/Humidity Sensor11.5.2Construction Main charger B-1 Main charger Cleaner unitMain charger grid Charger wire cleaning pad Main charger wireDrum Cleaning blade Cleaner Cleaning bladeSeal Separation finger Recovery bladeExhaust fan / Sub-separation fan Charger wireDischarge LED Developer unit cooling fan I-1 Developer unit cooling fan-2 Toner bag full detection sensor-2Developer unit cooling fan unit-1 Developer unit cooling fan-1Middle fan Temperature / Humidity sensor 11 20 2003 2008 Toshiba TEC Corporation All rights reserved Sectional view of developer unit Development SystemFunctions Drive Circuit of Toner Motor STUDIO352/353/452/453 STUDIO350/450 Auto-Toner CircuitFunction of auto-toner sensor Drve ndng Adjustment using the drum thermistor Adjustment using the temperature / humidity sensorDeveloper material Discharge of developer material Developer unitGuide roller Front side Remove 1 E-ring and 4 gears Take off the guide roller Rear sideGuide roller Drum thermistor Auto-toner sensorVeloper sleeve rear side, if necessary Replacement of Oil SealDeveloper sleeve Replace the oil seal on the shaft on the deBushing Mixer-1Mixer-2 Oil sealToner cartridge drive unit I-1 Toner cartridge drive unit Wipe off the excessive grease Toner cartridge detection switchToner motor Rice grains on entire surface of the oil seal Evenly12 16 2003 2008 Toshiba TEC Corporation All rights reserved Fuser Unit / Paper Exit Section 13 2003 2008 Toshiba TEC Corporation All rights reserved Fuser Unit / Paper Exit Section 13.4.1 Configuration13.4 Circuit13.4.2Heating principle of IH Heater Image of current flowng from a to BIH1 on IH control circuit interfaceIH2 on VDDFAX Control of the surface temperature of the fuser belt 13.4.5Temperature detection sectionEnergy Saver Reference CPU Checking timing Condition Temperature judged Error H1ERR1 CPU PA2 H1ERR2 PA3 13.4.6Abnormality in the IH control circuitIH error Exit Motor Drive Control Circuit of Exit MotorHarness clamp Fuser unit cooling fanExit finger Exit sensorStepped screw Cleaning rollerSeparation finger for pressure roller Separation finger for fuser rollerFuser Unit / Paper Exit Section IH coil Pressure rollerFuser roller Thermistor IH control PC board IH board ThermostatTake off the IH terminal cover Chapters 2.5.1 L IH board cooling fan IH board unitExit roller Exit motorMetal bushing Take off the lower exit roller Automatic Duplexing Unit ADU Description of Operations 2003 2008 Toshiba TEC Corporation All rights reserved Automatic Duplexing Unit  2 2003 2008 Toshiba TEC Corporation All rights reserved PmentEqu Timing chart for duplex copying from upperEqupment Drive of ADU Yes Yes Screw Right rear hinge cover Right front hinge coverADU inside ADU inside rear coverSnap pin TapeRear latch ADU opening / closing switchPaper guide ADU coverRear latch Remove the screw and release the rear latchOpening /Closing lever ADU entrance sensor, ADU exit sensorMotor ADU driving PC board ADU boardADU motor ADU gear unitUpper transport roller ADU clutchADU clutch Belt Remove the clip on the front sideRemove 2 bushings and take off the upper PinMiddle transport roller Lower transport roller 14 20 2003 2008 Toshiba TEC Corporation All rights reserved Operation of DC Output Circuits Power Supply UnitOutput Channel Power Supply Unit SLG FuseLGC PFP/LCFSTUDIO350/352/353/450/452/453 Power Supply Unit Configuration of Power Supply UnitPWR-DN Sequence of Power SupplyPWR-EN 2003 2008 Toshiba TEC Corporation All AC Wire HarnessPower Supply Unit PWA-F-SYS e-STUDIO350/450 PC BoardsSTUDIO352/353/452/453 PWA-F-LGC e-STUDIO350/450 STUDIO352/353/452/453 PWA-F-SLG e-STUDIO350/450 STUDIO352/353/452/453 PWA-F-CCD PWA-F-DSP e-STUDIO350/450 STUDIO352/353/452/453 PWA-F-ADU2003 2008 Toshiba TEC Corporation All rights reserved PWA-F-FUS ASD/AUD/CND models Standard, MJD model Option
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350, 353, 453, 452 specifications

The Toshiba 452, 282, and 352 models represent a significant leap in multifunction printing technology, designed for office environments that prioritize efficiency, reliability, and advanced features. These models are part of Toshiba's commitment to innovation and sustainability, emphasizing quality output while reducing environmental impact.

One of the standout features of the Toshiba 452, 282, and 352 is their exceptional print quality. These multifunction printers utilize a high-resolution printing technology that ensures sharp text and vibrant images, making them suitable for a wide range of business applications, from standard documents to high-quality marketing materials. The printers are equipped with a versatile paper handling system, allowing users to accommodate various paper sizes and types, thereby enhancing their overall productivity.

In terms of speed, these models deliver impressive performance, with the capability to print up to 45 pages per minute for the 452, 28 pages per minute for the 282, and 35 pages per minute for the 352. This high-speed output is coupled with a fast first-page out time, ensuring that users spend less time waiting and more time focusing on their core business activities.

Moreover, the Toshiba 452, 282, and 352 are designed with user-friendly interfaces. Their intuitive touch-screen displays simplify navigation and operation, allowing users to quickly access frequently used functions. Customizable workflows and one-touch shortcuts further enhance usability, enabling employees to optimize their time in busy office settings.

Another crucial aspect of these models is their commitment to energy efficiency. Toshiba employs advanced technologies to ensure that the printers consume less power without compromising on performance. This not only helps businesses reduce their carbon footprint but also contributes to cost savings on energy bills.

Security is another critical feature integrated into the Toshiba 452, 282, and 352. With the increasing importance of data protection, these printers offer robust security measures, such as user authentication, secure printing, and data encryption. These features help safeguard sensitive information and ensure compliance with industry regulations.

Additionally, the multifunction capability of these printers allows them to serve as copiers, scanners, and fax machines, providing a comprehensive solution for office document management. Their ability to scan documents to email or to network folders enhances collaboration among team members.

In summary, the Toshiba 452, 282, and 352 models are versatile multifunction printers that offer a blend of speed, quality, and user-friendly features. Their commitment to sustainability and security makes them ideal choices for modern office environments looking to enhance productivity and efficiency.