Toshiba 452, 453, 350, 353 service manual 12 2003 2008 Toshiba TEC Corporation All rights reserved

Page 20

1

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

1 - 12 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved

SPECIFICATIONS

 

Image 20
Contents STUDIO350/450 e-STUDIO352/452 e-STUDIO353/453 Trademarks Transportation / Installation Service of MachinesMain Service Parts for Safety Contents Scanner 11-1 12.4 12-412-5 12-7Specifications System copy speed Copy mode Sec Approx seconds temperature 20CSet 55.47 54.68 Sets 126.21 118.07 Sets 196.93 181.36Automatic duplexing unit Stackless, Switchback type LCF-Option Stack height 137.5 mm x 2 equivalent toSheets 64 to 80 g/m2 17 to 22 lb 80 g/m2 17 to 22 lbSpecifications Accessories Options STUDIO350/450STUDIO352/353/452/453 2nd line for fax board07/11 Supplies System List RadfSTAPLE-2000 12 2003 2008 Toshiba TEC Corporation All rights reserved Outline of the Machine Sectional View04/05  0 22 24 25 2 27 2 2003 2008 Toshiba TEC Corporation All rights reserved Electric Parts Layout Unit constructionLT series Scanner unit Motor, sensor, lampA4 series Control panel unit PC board, heater, thermostat, other partASD/AUD/CND/SAD/TWD models Standard NAD/MJD models Option Process unit Motor, sensor, switch, PC board Motor, sensor, lamp, heater, thermistor, thermostatLaser unit Paper feeder unitTransport unit Bypass unitAutomatic duplexing unit Fuser unitDrive unit CLT5 CLT6 CLT7 CLT8 HVTPC board unit STUDIO350/450STUDIO352/353/452/453 Symbols and Functions of Various Components Sensors and switches CST-U-SW CST-L-SWSFB-SNR SFB-FED-SNRElectromagnetic clutches SolenoidsPC boards Lamps and heaters Thermistors and thermostatsTransformer OthersSystem block diagram General Description2003 2008 Toshiba TEC Construction of boards Construction diagram of boards Function of each boardOutline of the Machine HVT Installation and Replacement Covers and PC boards External covers Front coverFront left cover Open the front cover Remove 1 screw and front left coverRear cover STUDIO350/450 Remove 7 screws and take off the rear coverLeft upper cover Front upper coverRight upper cover Upper rear coverReceiving tray Remove 2 screws and take off the receiving trayTray back cover Left coverLeft rear cover IH terminal coverRight front hinge cover STUDIO350/352/353/450/452/453Front right cover Right lower coverRight rear cover LGC board unit PC boardsLogic PC board LGC board A-1 LGC board Hard disk / HDD cooling fan Remove 4 screws and take off the hard disk SYS board coverSystem control PC board case SYS board case STUDIO350/450 Hard diskHDD cooling fan 05/1107/11 NIC board NIC board / System control PC board SYS board STUDIO350/450Remove 10 screws, take off the SYS board Switching power supply SYS boardNoise filter Power supply cooling fanHigh-voltage transformer MR-3015 Reversing Automatic Document Feeder Radf Turn OFF the power and unplug the power Cable KD-1011 Paper Feed Pedestal PFPKD-1012 Large Capacity Feeder LCF 44 2003 2008 Toshiba TEC Corporation All rights reserved MJ-1022 Hanging finisher D-1 When PFP/LCF is not installed Lift up the equipment and take off the LCFWhen PFP/LCF is installed Remove 2 screws Lift up the finisher and take it offMJ-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 Lift up the punch unit and take it off KN-3520 Bridge unitMJ-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-1101 Console finisher MJ-6101Hole punch unit60 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 Copy Process General Description of Copying ProcessDetails of Copying Process ExampleImage processing sec Tion Example CCD light Value of image Magnet Magnetic roller Toner 30-100 µm Additional Explanation Charger Paper may not be separated from the drum surface Because of moisture or malfunction of the transferSeparation charger during printing. As the result Used to forcibly separate the paper which was leftRecovery blade Cleaning blade Drum rotation Comparison with DP4500/3500 Overview of Operation Description of OperationCopying operation Bypass feed copying Interrupt copying Warming-upReady state ready for copying Drawer feed copying Upper drawer paper feedingGeneral Operation Page Press the Interrupt button Bypass feed copyingInterruption copying Detection of Abnormality Types of abnormalityDescription of abnormality General Operation Paper jam E010 → The copying operation is stopped. Timer Paper jam E010Paper jam E020 General Operation Flow Chart Immediately after the power is turned onYES Automatic paper feed copying Paper jam E00Ready 16 2003 2008 Toshiba TEC Corporation All rights reserved Control Panel Control Panel and Display PanelItems Shown on the Display Panel Display Saddle Stitch Tray Full ReadyChange Drawer To Correct Paper Size CopyingThis Size Paper Check PaperLarge Capacity Feeder Cannot Punch To Correct Media Type Press Basic DepartmentCounter According to the messages displayed Radf Dot matrix LCD circuit StructureSystem control PC board Control panel Method of LED display ex Displaying Copy Data TransmissionLED display circuit Disassembly and Replacement DSP board Hinge bracketRemove 16 screws and take off the KEY board KEY boardScanner FunctionConstruction Mirror-2 Mirror-3 Scan motor Scanning drive circuit Motclk MotdirMoten MotrefInitialization at power-ON Control of Exposure Lamp General descriptionExposure lamp Working conditions Control circuit for the exposure lampSLG board Shading correction General Description of CCD ControlOpto-electronic conversion Automatic Original Size Detection Circuit Principle of original size detectionProcess of detection of original size A4 Series LT SeriesStlt When the platen sensor is OFF APS-C APS-RLED Original glass Lens coverAutomatic original detection sensor APS sensor A4 series ProtrusionLT series 704LLens unit Rear side Carriage-1Remove 2 seals and release the cable After the installation, move carriage-1 With the position as shown in the figureFix it with a seal Align the bent portion of the lampCarriage wire / Carriage-2 Rear sides Remove the carriage wires on both frontMirror-1 INV boardMirrors-2 Platen sensor / Carriage home position sensorSLG board 24 2003 2008 Toshiba TEC Corporation All rights reserved Image Processing Followings are the boards used for image processingSignal amplifi Configuration Features SLG BoardFunctions of image processing circuit After correction Example Enlargement Example Reduction 2003 2008 Toshiba TEC Corporation All rights reserved LGC Board ON/OFF control of the semiconductive laser APC Auto Power ControlLaser Driving PC Board LDR board Laser Optical Unit Drve PC board Structure Laser beam Drum Devaton Laser Optical Unit Light emission is started when the forward cur Laser DiodeRent reaches or becomes larger than the threshold Current and outputs the monitor current which isDrive circuit of the polygonal motor Laser Optical Unit Cooling FanPolygonal Motor Laser optical unit Laser unit fan LRL PC boardFunctions   20,2 Feeding system Paper Feeding System Paper Feeding System Operation of drawer pickup roller OperationOperation of bypass pickup roller Separation of paper Feed rollerBypass feeding General operation From power-ON to ready statusReady status Paper feeding Drive Circuit of Tray-up Motor IN1 IN2Screw Bypass unit A-1 Bypass unitRemove 2 screws and take off the right rear hinge cover Hinge assembly Open the side coverPull out the hinge assembly from the bypass tray Hinge assemblySFB board Plate Bracket SpringSolenoid arm Bypass pickup solenoidSolenoid Bypass paper sensor Bypass pickup rollerBypass feed roller Bypass transport rollerDrive unit Bypass feed clutchBypass separation roller Bypass feed sensor Sensor plateLower drawer feed sensor Disconnect 3 connectorsDisconnect the connector on the front side Jam access cover Lead wire ConnectorTerminal CoverUpper drawer Feed sensorRegistration roller SetscrewDrive gear unit Screw Ring Bushing Registration Roller Tray drive unit/Tray-up motor Paper Feeding System Transport clutch upper/lower Upper transport clutchLower transport ClutchDrawer detection switch upper/lower Attach the clutches to the shafts as shown on the rightDrawer feeding unit upper/lower H-1 Drawer feeding unit Tray-up sensorPaper stock sensor Separation rollerDrawer feed clutch Feed rollerPickup roller 0.5mm Drive System Main Motor 10.3.1Main motor drive10.3.2Control signals Signal names are for the connector CN318 LGC boardGear unit Main motorRegistration clutch Developer drive clutch Drive System Drum Related Section 11 2003 2008 Toshiba TEC Corporation All rights reserved Detection standard line Drum Related Section Description of operations Output Control Circuits of High-Voltage TransformerOverview CN30-B7 Hvdvr Drum Temperature Detection Circuit Drum temperature detection circuit11.5.2Construction Temperature/Humidity Sensor11.5.1General description Main charger grid Cleaner unitMain charger B-1 Main charger Main charger wire Charger wire cleaning padDrum Seal Cleaner Cleaning bladeCleaning blade Recovery blade Separation fingerCharger wire Exhaust fan / Sub-separation fanDischarge LED Toner bag full detection sensor-2 Developer unit cooling fan I-1 Developer unit cooling fan-2Developer unit cooling fan-1 Developer unit cooling fan unit-1Middle fan Temperature / Humidity sensor 11 20 2003 2008 Toshiba TEC Corporation All rights reserved Development System Sectional view of developer unitFunctions Drive Circuit of Toner Motor Auto-Toner Circuit STUDIO352/353/452/453 STUDIO350/450Function of auto-toner sensor Drve ndng Adjustment using the temperature / humidity sensor Adjustment using the drum thermistorDeveloper unit Developer material Discharge of developer materialGuide roller Front side Guide roller Rear sideRemove 1 E-ring and 4 gears Take off the guide roller Auto-toner sensor Drum thermistorReplacement of Oil Seal Developer sleeveReplace the oil seal on the shaft on the de Veloper sleeve rear side, if necessaryMixer-1 Mixer-2Oil seal BushingToner cartridge drive unit I-1 Toner cartridge drive unit Toner cartridge detection switch Toner motorRice grains on entire surface of the oil seal Evenly Wipe off the excessive grease12 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 Configuration 13.4Circuit 13.4.1Image of current flowng from a to B 13.4.2Heating principle of IH HeaterIH control circuit interface IH2 onVDD IH1 onFAX 13.4.5Temperature detection section Control of the surface temperature of the fuser beltEnergy Saver Reference CPU Checking timing Condition Temperature judged Error 13.4.6Abnormality in the IH control circuit H1ERR1 CPU PA2 H1ERR2 PA3IH error Control Circuit of Exit Motor Exit Motor DriveFuser unit cooling fan Harness clampExit sensor Exit fingerCleaning roller Separation finger for pressure rollerSeparation finger for fuser roller Stepped screwFuser Unit / Paper Exit Section Pressure roller IH coilFuser roller Thermistor Take off the IH terminal cover Chapters 2.5.1 L ThermostatIH control PC board IH board IH board unit IH board cooling fanMetal bushing Exit motorExit roller 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 Timing chart for duplex copying from upper PmentEquEqupment Drive of ADU Yes Yes Right front hinge cover Screw Right rear hinge coverADU inside rear cover Snap pinTape ADU insideADU opening / closing switch Paper guideADU cover Rear latchRemove the screw and release the rear latch Opening /Closing leverADU entrance sensor, ADU exit sensor Rear latchADU driving PC board ADU board ADU motorADU gear unit MotorADU clutch ADU clutchUpper transport roller Remove the clip on the front side Remove 2 bushings and take off the upperPin BeltMiddle transport roller Lower transport roller 14 20 2003 2008 Toshiba TEC Corporation All rights reserved Power Supply Unit Operation of DC Output CircuitsOutput Channel Power Supply Unit Fuse LGCPFP/LCF SLGConfiguration of Power Supply Unit STUDIO350/352/353/450/452/453 Power Supply UnitPWR-EN Sequence of Power SupplyPWR-DN AC Wire Harness 2003 2008 Toshiba TEC Corporation AllPower Supply Unit PC Boards PWA-F-SYS e-STUDIO350/450STUDIO352/353/452/453 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-ADU PWA-F-DSP e-STUDIO350/450 STUDIO352/353/452/4532003 2008 Toshiba TEC Corporation All rights reserved PWA-F-FUS ASD/AUD/CND models Standard, MJD model Option
Related manuals
Manual 106 pages 10.53 Kb Manual 316 pages 26.3 Kb Manual 142 pages 13.96 Kb

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.