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Toshiba e-STUDIO200L/230/280 SERIES Service Manual

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SERVICE MANUAL
MULTIFUNCTIONAL DIGITAL SYSTEMS
e-STUDIO200L/230/280
File No. SME040009B0
R04022142800-TTEC
Ver02_2004-09

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Summary of Contents for Toshiba e-STUDIO200L/230/280 SERIES

  • Page 1 SERVICE MANUAL MULTIFUNCTIONAL DIGITAL SYSTEMS e-STUDIO200L/230/280 File No. SME040009B0 R04022142800-TTEC Ver02_2004-09...
  • Page 2 © 2004 TOSHIBA TEC CORPORATION All rights reserved...
  • Page 3 GENERAL PRECAUTIONS REGARDING THE SERVICE FOR e-STUDIO200L/230/280 SERIES The installation and service should be done by a qualified service technician. 1) Transportation/Installation When transporting/installing the equipment, employ two persons and be sure to hold the posi- tions as shown in the figure.
  • Page 4 Do not allow a short-circuit or do not use the parts not recommended by Toshiba TEC Corporation. 4) Cautionary Labels During servicing, be sure to check the rating plate and cautionary labels such as “Unplug the power cable during service”, “CAUTION.
  • Page 5 5) Disposal of the Equipment, Supplies, Packing Materials, Used Batteries and IC-RAMs Regarding the recovery and disposal of the equipment, supplies, packing materials, used batter- ies and IC-RAMs including lithium batteries, follow the relevant local regulations or rules. Caution: Dispose of used batteries and IC-RAMs including lithium batteries according to this manual. Attention: Se débarrasser de batteries et IC-RAMs usés y compris les batteries en lithium selon ce manuel.

  • Page 7: Table Of Contents

    5.4.2 LED display circuit ....................5-15 5.5 Disassembly and Replacement ..................5-16 6. SCANNER ........................6-1 6.1 Function ..........................6-1 6.2 Construction......................... 6-2 6.3 Description of Operation ...................... 6-4 6.3.1 Scan motor ....................... 6-4 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 CONTENTS...
  • Page 8 10.4 Disassembly and Replacement ..................10-5 11. DRUM RELATED SECTION ..................11-1 11.1 Configuration ........................11-1 11.2 Functions ........................... 11-2 11.3 High-Voltage Transformer Output Control Circuit.............. 11-4 11.3.1 General description ....................11-4 11.3.2 Description of Operation..................11-5 e-STUDIO200L/230/280 CONTENTS June 2004 © TOSHIBA TEC...
  • Page 9 16.3 Output Channel ......................... 16-3 16.4 Fuse........................... 16-5 16.5 Configuration of Power Supply Unit................... 16-6 16.6 Sequence of Power Supply ....................16-7 16.7 AC Wire Harness ....................... 16-8 17. PC BOARDS ....................... 17-1 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 CONTENTS...
  • Page 10 CONTENTS June 2004 © TOSHIBA TEC...

  • Page 11: E-Studio200L/230/280

    • Original/Mode: Single side original/A4/LT size. APS/automatic density are not selected. • Number of sheets: {20}23[28] or more. • Reproduction ratio: 100% June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES 1 - 1 04/09...
  • Page 12 {15} 16 [16] {-} - [-] {-} - [-] * Only A4/LT size is available for the LCF. * The tolerance is within ±2. e-STUDIO200L/230/280 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES June 2004 © TOSHIBA TEC 1 - 2 04/09...
  • Page 13 (25 to 200% when using RADF) Resolution/Gradation....Scanning: 600 dpi x 600 dpi Printing: Equivalent to 2400 dpi x 600 dpi Gradation: 256 steps June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES 1 - 3 04/09...
  • Page 14 * The electric power is supplied to the RADF, (ADU), Finisher, Job Separator, Offset Tray, PFP and LCF through the equipment. Total counter......Electronical counter e-STUDIO200L/230/280 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES June 2004 © TOSHIBA TEC 1 - 4 04/09...
  • Page 15 Dimensions of the equipment...... See the figure below (W 637 x D 719 x H 739 (mm)) * When the tilt angle of the control panel is 45 degrees. 4 5 ° Fig.1-1 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES 1 - 5 04/09...

  • Page 16: Accessories

    Central and South America / Hong Kong AUD: Australia MJD: Europe ASU: Asia SAD: Saudi Arabia IRD: Iran CND: China TWD: Taiwan JPD: Japan e-STUDIO200L/230/280 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES June 2004 © TOSHIBA TEC 1 - 6 04/09...

  • Page 17: Options

    The PCI slot (GO-1040) is necessary for installation of the scrambler board (GP-1030) and parallel interface kit (GF-1140). • GM-1030/GM-2030/GM-3030 are exclusive for e-STUDIO200L. They do not operate with e-STUDIO230/230L/280/280S. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES 1 - 7 04/09...

  • Page 18: Supplies

    Supplies Drum OD-1600 Toner cartridge PS-ZT2320 /T/D/C/E Developer D-2320 /C * 1) T: Taiwan D: Asia C: China E: Europe NONE: North America e-STUDIO200L/230/280 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES June 2004 © TOSHIBA TEC 1 - 8...

  • Page 19: System List

    System List Fig.1-2 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES 1 - 9 04/09...
  • Page 20 Scanner upgrade kit GM-3020 GM-3020 GM-3020 GM-3020 GM-3020 Desk MH-1700 MH-1700 MH-1700 MH-1700 MH-1700 Harness kit for coin GQ-1020 GQ-1020 GQ-1020 GQ-1020 GQ-1020 controller e-STUDIO200L/230/280 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES June 2004 © TOSHIBA TEC 1 - 10 04/09...
  • Page 21 Scanner upgrade kit GM-3020 GM-3020 GM-3020 GM-3020 GM-3020 Desk MH-1700 MH-1700 MH-1700 MH-1700 MH-1700 Harness kit for coin GQ-1020 GQ-1020 GQ-1020 GQ-1020 GQ-1020 controller June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES 1 - 11 04/09...
  • Page 22 Scanner upgrade kit GM-3020 GM-3020 GM-3020 GM-3020 GM-3020 Desk MH-1700 MH-1700 MH-1700 MH-1700 MH-1700 Harness kit for coin GQ-1020 GQ-1020 GQ-1020 GQ-1020 GQ-1020 controller e-STUDIO200L/230/280 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES June 2004 © TOSHIBA TEC 1 - 12 04/09...
  • Page 23 GM-1020 GM-1020 Scanner upgrade kit GM-3020 GM-3020 GM-3020 GM-3020 Desk MH-1700 MH-1700 MH-1700 MH-1700 Harness kit for coin GQ-1020 GQ-1020 GQ-1020 GQ-1020 controller June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES 1 - 13 04/09...
  • Page 24 Printer/Scanner kit GM-2030 GM-2030 Printer kit GM-1030 GM-1030 Scanner upgrade kit GM-3030 GM-3030 Desk MH-1700 MH-1700 Harness kit for coin GQ-1020 GQ-1020 controller e-STUDIO200L/230/280 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES June 2004 © TOSHIBA TEC 1 - 14 04/09...

  • Page 25: Outline Of The Machine

    OUTLINE OF THE MACHINE Sectional View B5,6 D3 D2 B5,6 Fig.2-1 Front side view June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 1...
  • Page 26 Scan motor Upper drawer feed clutch Carriage home position sensor Lower drawer feed clutch Scanner damp heater (Left) Tray-up motor Scanner damp heater (Right) 1st transport roller e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 2...
  • Page 27 Front cover opening/closing switch Transfer charger Cover opening/closing interlock switch Separation charger Auger lock switch Developer unit Internal cooling fan-1 Cleaning blade Internal cooling fan-2 Recovery blade Exhaust fan June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 3...

  • Page 28: Electric Parts Layout

    Fuser / Paper exit unit Control panel unit Automatic duplexing unit Transfer unit Main unit Bypass unit Transport unit Laser unit Front side Paper feeder unit Fig.2-3 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 4...
  • Page 29 2) Scanner unit a. Motor, sensor, lamp A4 series Front side Fig.2-4 LT series Front side Fig.2-5 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 5...
  • Page 30 PC board, heater, thermostat, other part DH2* THMO1* DH1* Front side Fig.2-6 * ASD/AUD/CND/SAD/ASU/TWD/IRD models: Standard NAD/MJD models: Option e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 6 04/09...
  • Page 31 3) Control panel unit Front side Fig.2-7 4) Main unit a. Motor, sensor, switch, PC board Front side Fig.2-8 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 7...
  • Page 32 PC board, sensor, lamp, heater, thermistor, thermostat THMS1 THMO4* DH3* Front side Fig.2-9 * ASD/AUD/CND/SAD/ASU/TWD/IRD models: Standard NAD/MJD models: Option e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 8 04/09...
  • Page 33 6) Paper feeder unit CLT5 CLT6* S13* S14* S15* Front side Fig.2-11 * e-STUDIO230/280 (NAD/AUD/MJD/IRD/CND/TWD), e-STUDIO280S (CND) models: Standard e-STUDIO200L (NAD/ASD), e-STUDIO230/280 (ASD/ASU/SAD), e-STUDIO230L (MJD) models: Option June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 9 04/09...
  • Page 34 7) Transport unit Front side Fig.2-12 8) Bypass unit CLT7 Front side Fig.2-13 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 10...
  • Page 35 10)Automatic duplexing unit S22* SW8* CLT8* ADU* S23* Front side Fig.2-15 * e-STUDIO230/280 (NAD/AUD/MJD/IRD/CND) models: Standard e-STUDIO200L (NAD/ASD), e-STUDIO230/280 (ASD/ASU/SAD/TWD), e-STUDIO230L (MJD), e-STUDIO280S (CND) models: Option June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 11 04/09...
  • Page 36 11)Fuser/Paper exit unit THMS4 THMS3 THMO3 THMS2 LAMP1 Front side THMO2 LAMP2 Fig.2-16 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 12...
  • Page 37 12)Drive unit CLT1 CLT2 CLT3 CLT4 Front side Fig.2-17 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 13...
  • Page 38 Front side FUS* Fig.2-18 *1: ASD/AUD/CND/SAD/ASU/TWD/IRD models: Standard NAD/MJD models: Option *2: e-STUDIO230/280 (NAD/AUD/MJD/IRD/CND/TWD) models: Standard e-STUDIO200L (NAD/ASD), e-STUDIO230/280 (ASD/ASU/SAD), e-STUDIO230L (MJD), e-STUDIO280S (CND) models: Option e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 14 04/09...

  • Page 39: Symbols And Functions Of Various Components

    ADU motor e-STUDIO230/280 "Fig.2-15" (NAD/AUD/MJD/IRD/CND) models: Standard e-STUDIO200L (NAD/ASD), e-STUDIO230/280 (ASD/ASU/SAD/TWD), e-STUDIO230L (MJD), e-STUDIO280S (CND) models: Option EXIT-MOT Driving the exit roller P.2-12 P31-I15 Exit motor "Fig.2-16" June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 15 04/09...
  • Page 40 Position detection of the lifting tray of the P.2-9 P15-I104 Lower drawer tray-up sensor lower drawer "Fig.2-11" e-STUDIO230/280 (NAD/AUD/MJD/IRD/CND/TWD), e-STUDIO280S (CND) models: Standard e-STUDIO200L (NAD/ASD), e-STUDIO230/280 (ASD/ASU/SAD), e-STUDIO230L (MJD), models: Option e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 16 04/09...
  • Page 41 Controlling cutoff and supply of the AC P.2-7 P5-I108 Cover opening/closing interlock input for DC power supply by opening/ "Fig.2-8" switch closing of the front cover or transfer guide. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 17 04/09...
  • Page 42 Standard e-STUDIO200L (NAD/ASD), e-STUDIO230/280 (ASD/ASU/SAD/TWD), e-STUDIO230L (MJD), e-STUDIO280S (CND) models: Option AUG-LOCK-SW Detecting lock of the toner recovery P.2-7 P6-I113 Auger lock switch auger "Fig.2-8" e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 18 04/09...
  • Page 43 (ASD/ASU/SAD/TWD), e-STUDIO230L (MJD), e-STUDIO280S (CND) models: Option 4) Solenoids Symbol Name Function Remarks SFB-SOL Driving the bypass pickup roller P.2-10 P19-I11 Bypass pickup solenoid "Fig.2-13" June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 19 04/09...
  • Page 44 P10-I19 H-sync signal detection PC board "Fig.2-10" (SNS board) PWA-F-SYS Controlling the whole system and image P.2-14 P8-I20 System control PC board processing "Fig.2-18" (SYS board) e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 20 04/09...
  • Page 45 Heating the center section of fuser roller P.2-12 P30-I37 Center heater lamp "Fig.2-16" LAMP2 SIDE-LAMP Heating the section of both sides of P.2-12 P30-I38 Side heater lamp fuser roller "Fig.2-16" June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 21 04/09...
  • Page 46 High-voltage transformer to the following sections "Fig.2-18" • Needle electrode • Main charger grid • Developer bias • Transfer bias • Separation bias • Transfer guide bias e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 22 04/09...
  • Page 47 Controlling the exposure lamp P.2-6 P23-I7 Inverter board "Fig.2-6" PS-ACC Generating DC voltage and supplying it P.2-8 P10-I16 Switching regulator to each section of the equipment "Fig.2-9" June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 23...

  • Page 48: General Description

    General Description 2.4.1 System block diagram Fig.2-19 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 24 04/09...

  • Page 49: Construction Of Boards

    And it relays the control signal of the control panel from the SYS board to the LCD and KEY board. • KEY board: This is the board on which each button switch and each LED on the control panel are mounted. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 25...
  • Page 50 This is the unit to generate each DC voltage, which is used in the equipment, from external AC elec- tric power input. And then it is provided to each electrical part. e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 26...

  • Page 51: Installation And Replacement Of Covers And Pc Boards

    Open the front cover. Fig.2-21 Turn 2 hinge pins to point at the front side and pull them out upward. Front cover Take off the front cover. Fig.2-22 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 27...
  • Page 52 Remove 7 screws and take off the rear Rear cover cover. Fig.2-24 [D] Left upper cover Remove 2 screws and take off the left upper cover. Left upper cover Fig.2-25 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 28...
  • Page 53 [G] Right upper cover-2 Take off the right upper cover-1 P.2-29 "[F] Right upper cover-1"). Remove 2 screws and take off the right upper cover-2. Right upper cover-2 Fig.2-28 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 29...
  • Page 54 Left rear cover Take off the left upper cover P.2-28 "[D] Left upper cover"). Remove 4 screws and take off the left rear cover. Left rear cover Fig.2-31 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 30...
  • Page 55 P.2-30 "[J] Left rear cover"). Take off the inner tray P.2-31 "[K] Inner tray"). Open the exit cover. Take off the tray back cover. Tray back cover Fig.2-34 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 31...
  • Page 56 Remove 2 screws and take off the right front hinge cover. Note: When the ADU is installed, refer to chapter 15.5 ( P.15-10 "[A] Automatic Duplexing Unit (ADU)") Right front hinge cover Fig.2-37 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 32 04/09...
  • Page 57 Take off the right front hinge cover. P.2-32 "[P] Right front hinge cover") Take off the right rear hinge cover. P.2-33 "[Q] Right rear hinge cover") Harness cover Fig.2-39 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 33 04/09...

  • Page 58: Pc Boards

    SERVICE HANDBOOK. Hard disk (HDD) Take off the rear cover P.2-28 "[C] Rear cover"). Loosen 4 screws and take off the bridge bracket. Bridge bracket Fig.2-41 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 34 04/09...
  • Page 59 SYS board upper cover. SYS board upper cover Fig.2-43 Remove 4 screws and take off the HDD from the SYS board upper cover. SYS board upper cover Fig.2-44 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 35...
  • Page 60 Take off the SYS board upper cover and SYS Harness clamp board lower cover P.2-34 "[A] Hard disk (HDD)"). Disconnect 4 connectors and release the harness from 3 harness clamps. Harness clamp Fig.2-47 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 36 04/09...
  • Page 61 Loosen 4 screws and take off the bridge bracket. Bridge bracket Fig.2-49 Loosen 6 screws, remove 1 screw, and then take off the LGC board cover. LGC board cover Fig.2-50 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 37...
  • Page 62 P.2-32 "[O] Connecting port cover"). Release the harness from 6 harness clamps. Remove 4 screws and take off the high-volt- age transformer cover. Harness clamp Hight-voltage transformer cover Fig.2-53 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 38...
  • Page 63 Remove 2 screws and pull out the switching power supply. Disconnect 7 connectors, release the har- ness from 4 harness clamps. Fig.2-55 Take off the switching power supply. Switching power supply Fig.2-56 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 39...

  • Page 64: Installation And Replacement Of Options

    Turn the power OFF and unplug the power cable. Take off the connector cover. Connector cover Fig.2-57 Disconnect the connector. Connector Fig.2-58 Remove 2 screws on the rear side. Fig.2-59 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 40...
  • Page 65 Open the RADF. Fig.2-60 Remove 2 screws on the front side. Fig.2-61 Slide the RADF backward and take off by lift- ing it up. Fig.2-62 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 41...
  • Page 66 Connector of optional if the optional damp heater is installed). damp heater Fig.2-64 Take off the lower drawer of the equipment and PFP upper drawer. Drawer Fig.2-65 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 42...
  • Page 67 Remove 4 screws and take off 2 fixing brack- ets on the front side. Fixing bracket Fixing bracket Fig.2-67 Lift up the equipment and take off the PFP. Fig.2-68 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 43...
  • Page 68 Connector cover Fig.2-69 Remove 1 screw and the ground wire, and then disconnect 2 connectors. Fig.2-70 Take off the lower drawer of the equipment. Drawer Fig.2-71 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 44...
  • Page 69 Fixing bracket Fig.2-73 Remove 4 screws and take off 2 fixing brack- Fixing bracket ets on the front side. Fixing bracket Fig.2-74 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 45...
  • Page 70 Take off the connector cover and disconnect the connector. Connector cover Connector Fig.2-76 Remove 2 screws and take off the safety bracket on the rear side and the cover. Cover Safety bracket Fig.2-77 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 46...
  • Page 71 Remove 2 screws and take off the safety bracket on the front side and the cover. Cover Safety bracket Fig.2-78 Remove 2 screws. Fig.2-79 Lift up the finisher and take it off. Fig.2-80 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 47...
  • Page 72 Remove 2 screws and take off the cover on the rear side. Cover Fig.2-82 Remove 2 screws and take off the cover on the front side. Cover Fig.2-83 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 48...
  • Page 73 Fig.2-85 MJ-1025 (Saddle stitch finisher) Turn the power OFF and unplug the power cable. Take off the connector cover and disconnect the connector. Connector cover Connector Fig.2-86 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 49...
  • Page 74 Rail Fig.2-88 KN-3520 (Bridge unit) Turn the power OFF and unplug the power cable. Stopper Pull out the finisher from the equipment. Remove the stopper. Fig.2-89 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 50 04/07...
  • Page 75 Remove 2 screws and take off the cover. Cover Stepped screw Fig.2-90 Disconnect 1 connector. Fig.2-91 Open the bridge unit. Remove 1 screw and take off the cover. Cover Fig.2-92 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 51 04/07...
  • Page 76 When MJ-1022 is installed; Remove 4 screws and take off the bracket. Bracket Fig.2-94 • When MJ-1025 is installed; Remove 5 screws and take off the bracket. Bracket Fig.2-95 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 52 04/07...
  • Page 77 Take off the bridge unit toward the front. Fig.2-97 [G] MJ-5004 (Job separator) Turn the power OFF and unplug the power cable. Take off the tray. Tray Fig.2-98 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 53 04/07...
  • Page 78 Remove 2 screws and take off the cover. Cover Fig.2-99 Disconnect 2 connectors. Fig.2-100 Loosen 2 screws and take off the cover. Cover Fig.2-101 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 54...
  • Page 79 [H] MJ-5005 (Offset tray) Turn the power OFF and unplug the power cable. Take off the tray. Tray Fig.2-103 Remove 2 screws and take off the cover. Cover Fig.2-104 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 55...
  • Page 80 Disconnect 2 connectors. Fig.2-105 Open the front cover. Remove the inner tray attachment cover. Attachment cover Fig.2-106 Remove 1 screw and take off the cover. Cover Fig.2-107 e-STUDIO200L/230/280 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 56...
  • Page 81 Refer to chapter 15.5 for taking off the ADU. ( P.15-10 "[A] Automatic Duplexing Unit (ADU)") • The ADU is available as standard equipment for some destinations or versions. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 OUTLINE OF THE MACHINE 2 - 57 04/09...
  • Page 82 OUTLINE OF THE MACHINE June 2004 © TOSHIBA TEC 2 - 58...

  • Page 83: Copy Process

    Discharging: Eliminates the residual nega- adheres to the photoconductive drum and tive charge from the surface of the photo- forms visible image. conductive drum. Transfer bias: Improves transfer efficiency. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 COPY PROCESS 3 - 1...

  • Page 84: Details Of Copying Process

    As this image on the drum formed by the negative potential is not visible, it is called an “electrostatic latent image.” Time ( t ) Black area of original -500 White area of original Discharge Charging process process Electric potential of the photoconductive drum Fig.3-3 e-STUDIO200L/230/280 COPY PROCESS June 2004 © TOSHIBA TEC 3 - 2...
  • Page 85 CCD light Value of image receiving signals to be amount output Light Image processing section Difference between "light " and "dark" is divided into 256 steps. Fig.3-5 Dark Fig.3-6 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 COPY PROCESS 3 - 3...
  • Page 86 (laser emission) to expose the drum surface and form an electrostatic latent image on it. Image LDR board processing section Polygonal mirror Semiconductive laser element Photo- conductive drum Fig.3-7 e-STUDIO200L/230/280 COPY PROCESS June 2004 © TOSHIBA TEC 3 - 4...
  • Page 87 (approx. +150 V). Charging AC bias To obtain the stable development characteristics, AC bias (approx. 1,100 V) is charged to the development bias (DC bias). June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 COPY PROCESS 3 - 5...
  • Page 88 1. Image density is lowered. 2. Toner scattering occurs. 3. Background fogging occurs. Solution: Replace the developer material. No frictional electrification occurs on the area where the toner is caked. Fig.3-12 e-STUDIO200L/230/280 COPY PROCESS June 2004 © TOSHIBA TEC 3 - 6...
  • Page 89 The developer material forms a brush-like fluff which contacts the photoconductive drum surface. This is caused by the magnetic force lines between the south and north poles. Photoconductive drum Magnetic force Magnetic roller line Fig.3-13 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 COPY PROCESS 3 - 7...
  • Page 90 As indicated in the figure below, the life of the toner cartridge varies depending on the copy mode and coverage of originals. A full block in the figure below denotes approx. 5,000 output pages. Block Type of originals Fig.3-14 e-STUDIO200L/230/280 COPY PROCESS June 2004 © TOSHIBA TEC 3 - 8...
  • Page 91 From 11 mm from leading edge to 5 mm from trailing edge (C) 445 µADC From 5 mm from trailing edge to trailing edge (L) 310 µADC Direction of transportation Drum rotation Transfer charger Toner Fig.3-16 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 COPY PROCESS 3 - 9...
  • Page 92 To prevent this, a separation finger is used to forcibly separate the paper which was left around the drum. Separation finger Paper movement Separation charger Drum rotation Fig.3-18 e-STUDIO200L/230/280 COPY PROCESS June 2004 © TOSHIBA TEC 3 - 10...
  • Page 93 The edge of the urethane rubber cleaning blade is pressed against the photoconductive drum sur- face to scrape off the residual toner on it. The toner is then caught by the recovery blade. Recovery blade Cleaning blade Drum rotation Fig.3-21 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 COPY PROCESS 3 - 11...
  • Page 94 The photoconductive drum becomes electri- cally conductive. All of the negative charge remaining on the pho- toconductive drum is conducted to the ground. Preparation for the next printing is completed. e-STUDIO200L/230/280 COPY PROCESS June 2004 © TOSHIBA TEC 3 - 12...

  • Page 95: Comparison With E-Studio350/450

    PFA tube roller (ø30) • Cleaning Cleaning roller for pressure roller (ø14) Cleaning roller for pressure roller (ø16) • Heater IH coil (Induction-heating method) Heater lamp Turned ON/OFF by thermistor June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 COPY PROCESS 3 - 13...
  • Page 96 COPY PROCESS June 2004 © TOSHIBA TEC 3 - 14...

  • Page 97: General Operation

    GENERAL OPERATION Overview of Operation Operation of equipment Operation during initializing, pre-running and ready Drawer feed copying by [START] button Bypass feed copying Copying operation Interrupt copying June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 GENERAL OPERATION 4 - 1...

  • Page 98: Description Of Operation

    → When no button is pressed for a certain period of time, - Set number “1” and reproduction ratio “100%” are displayed. Equipment returns to the normal ready state. e-STUDIO200L/230/280 GENERAL OPERATION June 2004 © TOSHIBA TEC 4 - 2...

  • Page 99: Drawer Feed Copying (Upper Drawer Paper Feeding)

    → Polygonal motor, main motor and exit motor OFF → Drum, fuser unit and developer unit stop → Fans return to the ready rotation → “READY” is displayed and the equipment enters the ready mode June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 GENERAL OPERATION 4 - 3...
  • Page 100 Timing chart for copying one A4 size sheet fed from the upper drawer e-STUDIO200L/230/280 GENERAL OPERATION June 2004 © TOSHIBA TEC 4 - 4...

  • Page 101: Bypass Feed Copying

    → Equipment returns to the status before the interruption → “Ready to resume job 1” is displayed 4) Press the [START] button → The copying operation before the interruption is resumed. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 GENERAL OPERATION 4 - 5...

  • Page 102: Detection Of Abnormality

    (D) Misfeed in equipment (E) Replace the toner cartridge (F) Developer unit not installed properly 3) Abnormality not cleared without turning OFF the main switch (G) Call for service e-STUDIO200L/230/280 GENERAL OPERATION June 2004 © TOSHIBA TEC 4 - 6...

  • Page 103: Description Of Abnormality

    Tray not going up (drawer empty sensor OFF) “Add paper” displayed [START] button disabled [When drawer is installed] Drawer detected Tray going up (drawer empty sensor OFF) “Add paper” displayed [START] button disabled June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 GENERAL OPERATION 4 - 7...
  • Page 104 Empty sensor turned OFF during the copying in spite of the tray-up sensor is ON It is judged that there is no paper. Drawer area of the LCD panel blinks (When the drawer is selected) The copying operation is stopped. e-STUDIO200L/230/280 GENERAL OPERATION June 2004 © TOSHIBA TEC 4 - 8...
  • Page 105 Exit sensor ON Exit sensor If the exit sensor is not turned ON after 1.808 sec, Timer 1.808sec. Paper jam (E010) The copying operation is stopped. Paper jam (E010) Fig.4-1 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 GENERAL OPERATION 4 - 9...
  • Page 106 1st transport sensor is not turned ON in a fixed period of time after the ADU clutch is turned ON. Paper jam (E110) • During paper transporting from ADU: ADU entrance/exit sensors do not detect the paper at the fixed timing Paper jam (E510 or E520) e-STUDIO200L/230/280 GENERAL OPERATION June 2004 © TOSHIBA TEC 4 - 10...
  • Page 107 Error code is displayed instead of the set number by pressing the [CLEAR] button and [8] button simultaneously when the “Call for service” is blinking. Refer to the error code table in the Service Handbook. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 GENERAL OPERATION 4 - 11...

  • Page 108: Flow Chart

    Exit sensor Home position elapsed? detected? Call for service entrance/exit sensors Peak detected? “C270” “C280” Call for service “C260” 1st transport sensor ON? 2nd transport sensor ON? Paper jam Fig.4-3 e-STUDIO200L/230/280 GENERAL OPERATION June 2004 © TOSHIBA TEC 4 - 12...
  • Page 109 Tray-up motor ON broken? broken? condition? Call for service Call for service Call for service Fuser roller reached ready temp.? “C410” “C440” “CA10” “C430” Main motor OFF READY Fig.4-4 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 GENERAL OPERATION 4 - 13...

  • Page 110: Automatic Paper Feed Copying

    “CA20” Remaining set number=0? Remaining set number=0? Scanning system control completed Exit sensor detected leading edge of paper? Laser OFF Paper jam Processing system “E010” control completed Fig.4-5 e-STUDIO200L/230/280 GENERAL OPERATION June 2004 © TOSHIBA TEC 4 - 14...
  • Page 111 Paper jam edge of paper? “E020” Polygonal motor OFF Main charger OFF Discharge LED OFF Developer bias OFF Exit motor OFF Drum rotation reversed Main motor OFF READY Fig.4-6 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 GENERAL OPERATION 4 - 15...
  • Page 112 GENERAL OPERATION June 2004 © TOSHIBA TEC 4 - 16...

  • Page 113: Control Panel

    This equipment has a movable control panel which enables to adjust its angle to the operator. It also has improved its operationality and visibility with the enlarged LCD panel. Fig.5-1 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 CONTROL PANEL 5 - 1...

  • Page 114: Items Shown On The Control Panel

    Items Shown on the Control Panel Fig.5-2 Fig.5-3 e-STUDIO200L/230/280 CONTROL PANEL June 2004 © TOSHIBA TEC 5 - 2...

  • Page 115: Display

    Ready for bypass feeding Paper is set on the bypass tray COPYING At the copying state Auto Start Auto Start is set during printing Cleared by pressing [RESET] button or [STOP] button June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 CONTROL PANEL 5 - 3...
  • Page 116 Displayed when the selected media type is not in the drawer Select a paper size for Displayed when paper size needs to bypass feeding be specified for bypass feeding such as duplex copying e-STUDIO200L/230/280 CONTROL PANEL June 2004 © TOSHIBA TEC 5 - 4...
  • Page 117 RADF More than 200% is not Displayed when reproduction ratio is Set the reproduction ratio 200% or available set manually to be over 200% on below RADF June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 CONTROL PANEL 5 - 5...
  • Page 118 Size is ENVELOPE the size of the paper, but not for the media type Press START button to Displayed when the build job is set copy after changing setting e-STUDIO200L/230/280 CONTROL PANEL June 2004 © TOSHIBA TEC 5 - 6...
  • Page 119 This setting cannot be Displayed when the setting is changed now changed during the build job is dis- continued June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 CONTROL PANEL 5 - 7...

  • Page 120: Relation Between The Equipment State And Operator's Operation

    Display not changed Display not Display not changed [TEMPLATE] screen changed button Press [USER Displays USER FUNC- Display not changed Display not Display not changed FUNCTIONS] TIONS screen changed button e-STUDIO200L/230/280 CONTROL PANEL June 2004 © TOSHIBA TEC 5 - 8...
  • Page 121 Display not changed button changed Press [START] Displays “COPYING” “Wait Warming Up Auto Display not Display not changed button with the Start” is displayed changed original set on RADF June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 CONTROL PANEL 5 - 9...
  • Page 122 Displays e-FILING Displays e-FIL- [e-FILING] ING screen changed changed screen ING screen Press Display not Display not Display not Display not Display not [EXTENSION] changed changed changed changed changed button e-STUDIO200L/230/280 CONTROL PANEL June 2004 © TOSHIBA TEC 5 - 10...
  • Page 123 ING” and RADF changed “COPYING” ING” and RADF mode is cleared original set on starts feeding and RADF starts feeding and displays RADF starts feeding BASIC screen June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 CONTROL PANEL 5 - 11...

  • Page 124: Description Of Operation

    LSI, frame, printed circuit board, and lateral type CCFL backlight. * STN: Super Twisted Nematic * CCFL: Cold Cathode Fluorescent Lamp 2) Block diagram XSCL LCDEN LCD PANEL 640 x 240 DOTS Power supply Fig.5-5 e-STUDIO200L/230/280 CONTROL PANEL June 2004 © TOSHIBA TEC 5 - 12...
  • Page 125 640 x 240 dots Analog Touch panel input Decoder Serial data Panel processing Hard-key matrix LED scan signal LED serial output LED driver Buzzer ON signal Buzzer Fig.5-6 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 CONTROL PANEL 5 - 13...
  • Page 126 4) Data Transmission 1/tF 1/tF FRAME LOAD FRAME LOAD CP x ( 640/4 ) pulses D0-D3 Fig.5-7 e-STUDIO200L/230/280 CONTROL PANEL June 2004 © TOSHIBA TEC 5 - 14...

  • Page 127: Led Display Circuit

    (a) The transistor (Q3) connected to the LED anode is ON. (b) The output from the cathode side of the LED is “L” level. The LED turns ON when the conditions (a) and (b) are met. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 CONTROL PANEL 5 - 15...

  • Page 128: Disassembly And Replacement

    P.2-29 "[E] Front upper cover", P.2-29 "[F] Right upper cover-1", P.2-29 "[G] Right upper cover-2"). Disconnect 1 connector. Remove 2 screws and 2 harness clamps. Then release 1 harness. Fig.5-11 e-STUDIO200L/230/280 CONTROL PANEL June 2004 © TOSHIBA TEC 5 - 16...
  • Page 129 Take off the control panel unit P.5-16 "[B] Control panel unit"). Cover Remove 3 screws and take off the cover. Fig.5-13 Remove 5 screws and take off the hinge bracket. Hinge bracket Fig.5-14 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 CONTROL PANEL 5 - 17...
  • Page 130 Then take off the DSP board. DSP board Fig.5-15 Remove 4 screws and take off the LCD. Fig.5-16 Remove 16 screws and take off the KEY board. KEY board Fig.5-17 e-STUDIO200L/230/280 CONTROL PANEL June 2004 © TOSHIBA TEC 5 - 18...

  • Page 131: Scanner

    Reflector Original glass Lens Exposure lamp Rail for carriage-1 Drive pulley Shading correction plate Rail for carriage-2 Carriage-2 Carriage-1 CCD board SLG board Fig.6-1 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SCANNER 6 - 1...

  • Page 132: Construction

    This is a reflecting plate to efficiently lead the light from the exposure lamp to the surface of the original on the glass. Mirror-1 This mirror leads the light reflected from the original to the mirror-2 described later. Original glass Original Exposure lamp Inverter board Reflector Mirror-1 Fig.6-3 e-STUDIO200L/230/280 SCANNER June 2004 © TOSHIBA TEC 6 - 2...
  • Page 133 6) Automatic original detection sensor (APS sensor) The size of an original placed on the glass is instantly detected using the APS sensor fixed on the base frame without moving the carriage-1. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SCANNER 6 - 3...

  • Page 134: Description Of Operation

    • Scanning an original on the RADF The carriage-1 stays at the shading position during shading correction, and at the scanning posi- tion during scanning operation. e-STUDIO200L/230/280 SCANNER June 2004 © TOSHIBA TEC 6 - 4...

  • Page 135: Scanning Drive Circuit

    Excitation mode setting ( 2 ) MOTMD2 Excitation mode setting ( 1 ) MOTMD1 MOTDIR Rotation direction setting Cut off output MOTEN MOTRST Reset RESET RESET IC SLG board Fig.6-7 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SCANNER 6 - 5...
  • Page 136 Internal circuit of the driver is initialized by setting the motor to “L” level (pulse interval: 10µsec. or more). The motor drive circuit is automatically reset when the power is turned ON. e-STUDIO200L/230/280 SCANNER June 2004 © TOSHIBA TEC 6 - 6...

  • Page 137: Initialization At Power-On

    Carriage home position Deceleration -> Stop data set Deceleration -> Stop Move to peak detection position Peak detection Completion of initialization Move to carriage waiting position Scanning command Fig.6-8 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SCANNER 6 - 7...

  • Page 138: Control Of Exposure Lamp

    CCD. The signal is then digitized and output from this circuit. Original Shading correction plate Exposure lamp ( xenon lamp ) Lighting device for exposure lamp ( inverter ) PWA-CCD PWA-SLG Scanner Image processing circuit Fig.6-9 e-STUDIO200L/230/280 SCANNER June 2004 © TOSHIBA TEC 6 - 8...

  • Page 139: Exposure Lamp

    ( 1 ) Electrode ( 2 ) Electron ( 3 ) Xenon atom ( 4 ) Ultraviolet ray ( 5 ) Fluorescer ( 6 ) Visible light ( irradiated from the opening to outside the pipe ) ( 7 ) Opening ( 8 ) Harness Fig.6-11 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SCANNER 6 - 9...

  • Page 140: Control Circuit For The Exposure Lamp

    Lamp turns ON at “L” 5VSW ON 5V SW ON signal Controls 5VSW at CPU. Normally “L” WDTOUT Watchdog timer signal Level “L” when CPU is out of control Xenon lamp e-STUDIO200L/230/280 SCANNER June 2004 © TOSHIBA TEC 6 - 10...

  • Page 141: General Description Of Ccd Control

    ( S-K) ( W -K) Coefficient Image data before correction Black data (stored in “black” memory) White data (stored in “white” memory) June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SCANNER 6 - 11...

  • Page 142: Automatic Original Size Detection Circuit

    This means that the presence of the original is detected by the presence of reflection. [ A4 Series ] [ LT Series ] Original Original glass Original Original glass APS-3 APS-R APS-3 APS-R APS-1 APS-2 APS-C APS-2 APS-C Fig.6-14 e-STUDIO200L/230/280 SCANNER June 2004 © TOSHIBA TEC 6 - 12...

  • Page 143: Process Of Detection Of Original Size

    3) The output signal from each sensor is input to CPU on the SLG board to determine the size of the original. [ A4 Series ] [ LT Series ] APS-R APS-R APS-C APS-C Reflection type Reflection type APS-3 photosensor photosensor APS-3 APS-2 APS-1 APS-2 GND PWA-SLG GND PWA-SLG Fig.6-15 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SCANNER 6 - 13...
  • Page 144 [A4 Series] APS-R APS-C A5-R B5-R A4-R APS-3 APS-1 APS-2 Fig.6-16 [LT Series] APS-R APS-C ST-R APS-3 LT-R APS-2 Fig.6-17 Sensor detection points e-STUDIO200L/230/280 SCANNER June 2004 © TOSHIBA TEC 6 - 14...
  • Page 145 The size of the original immediately before the platen sensor is turned ON (or the state that there is no original) remains regardless of the output signals of APS sensors. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SCANNER 6 - 15...
  • Page 146 The LED is driven by a pulse having a 130 µsec cycle and an 8 µsec ON time. When the pho- totransistor receives the same signal as this pulse, it is determined that there is an original. The pulse modulation is performed inside the reflection-type phototransistor. e-STUDIO200L/230/280 SCANNER June 2004 © TOSHIBA TEC 6 - 16...

  • Page 147: Disassembly And Replacement

    Fig.6-20 Lens cover Take off the original glass P.6-17 "[A] Original glass"). Remove 6 screws and take off the lens cover. Lens cover Fig.6-21 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SCANNER 6 - 17...
  • Page 148 Take off 5 APS sensors by removing 1 screw each. Fig.6-23 [C-2] LT series Take off the lens cover P.6-17 "[B] Lens cover"). Disconnect 1 connector from the SLG board. Remove 6 harness clamps. Fig.6-24 e-STUDIO200L/230/280 SCANNER June 2004 © TOSHIBA TEC 6 - 18...
  • Page 149 [D] Lens unit Take off the lens cover P.6-17 "[B] Lens cover"). Disconnect 1 connector form the SLG board. Remove 2 screws and take off the lens unit. Lens unit Fig.6-26 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SCANNER 6 - 19...
  • Page 150 P.6-17 "[A] Original glass"). Take off the front upper cover P.2-29 "[E] Front upper cover"). Move the carriage-1 to the center position where the side of the frame is cut out. Carriage-1 Fig.6-29 e-STUDIO200L/230/280 SCANNER June 2004 © TOSHIBA TEC 6 - 20...
  • Page 151 Fig.6-31 Move the carriage-1 to the position where the exposure lamp is seen through the cutout of the frame. Note: Rotate the drive pulley to move the carriage. Carriage-1 Fig.6-32 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SCANNER 6 - 21...
  • Page 152 Fig.6-34 Move the carriage-1 to the cutout part. Pull down each bracket fixing the wire from the hole of the frame on both ends of the car- riage-1. Bracket Fig.6-35 e-STUDIO200L/230/280 SCANNER June 2004 © TOSHIBA TEC 6 - 22...
  • Page 153 Remove 2 seals and release the harness. Seal Fig.6-37 Rotate the carriage-1 in the direction shown in the figure at right, not to touch the mirror. Then take out the carriage-1. Carriage-1 Fig.6-38 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SCANNER 6 - 23...
  • Page 154 [H] Inverter board Take off the carriage-1 P.6-22 "[F] Carriage-1"). Inverter board Disconnect 2 connectors. Remove 2 screws and take off the inverter board. Fig.6-40 e-STUDIO200L/230/280 SCANNER June 2004 © TOSHIBA TEC 6 - 24...
  • Page 155 Rotate the carriage-2 in the direction where the inside of the frame is dented shown in the figure at right, not to touch the mirror. Then take off the carriage-2. Carriage-2 Fig.6-43 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SCANNER 6 - 25...
  • Page 156 Disconnect 1 connector from the carriage home position sensor on the left rear position of the equipment upper side. Release the latches of the sensor and take off the carriage home position sensor. Fig.6-45 e-STUDIO200L/230/280 SCANNER June 2004 © TOSHIBA TEC 6 - 26...
  • Page 157 4. The scan motor is pulled by the belt ten- sion jig. Fix the screw B and then C at the stopped position. 5. Remove the belt tension jig. Fig.6-48 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 SCANNER 6 - 27...
  • Page 158 [N] Scanning section control PC board (SLG board) Take off the lens cover P.6-17 "[B] Lens cover") Disconnect 8 connectors from the SLG board. Remove 6 screws and take off the SLG board. SLG board Fig.6-49 e-STUDIO200L/230/280 SCANNER June 2004 © TOSHIBA TEC 6 - 28...

  • Page 159: Image Processing

    LGC board Smoothing processing, external input system interface, image area control, laser (PWA-F-LGC-371) related control and printer high quality image processing June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 IMAGE PROCESSING 7 - 1...
  • Page 160 Images are processed by the SLG board (PWA-F-SLG-371) and LGC board (PWA-F-LGC-371) in this equipment. The image signal read in the scanning function is processed in SLG board and the printer image signal is processed in the SYS board. e-STUDIO200L/230/280 IMAGE PROCESSING June 2004 © TOSHIBA TEC 7 - 2...

  • Page 161: Configuration

    Smoothing processing External input system interface Image area control Laser related control Printer high-quality image processing Laser drive board ( PWA-F-LDR-360 ) Image data flow Laser drive Fig.7-3 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 IMAGE PROCESSING 7 - 3...

  • Page 162: Slg Board (Pwa-F-Slg-371)

    <Example> Dynamic range Extended dynamic range After range width width adjustment Back- ground Text Lower Density Higher Lower Density Higher Histogram Fig.7-4 e-STUDIO200L/230/280 IMAGE PROCESSING June 2004 © TOSHIBA TEC 7 - 4...
  • Page 163 Solid black area Low contrast area Original Image signal After correction Fig.7-6 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 IMAGE PROCESSING 7 - 5...
  • Page 164 6) External output system interface This function controls the output of the output interface. e-STUDIO200L/230/280 IMAGE PROCESSING June 2004 © TOSHIBA TEC 7 - 6...
  • Page 165 7) Scanner high quality image processing This function corrects the image signals scanned by the scanner and reproduces them in a higher image quality. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 IMAGE PROCESSING 7 - 7...

  • Page 166: Lgc Board (Pwa-F-Lgc-371)

    4) Laser related control This function performs the APC (Auto Power Control). 5) Printer high quality processing This function reproduces the image signals output from the printer controller sharper. e-STUDIO200L/230/280 IMAGE PROCESSING June 2004 © TOSHIBA TEC 7 - 8...

  • Page 167: Laser Driving Pc Board

    2) Horizontal synchronization signal (H-sync) clock generation section Reference clock signal in the printer section synchronized with H-sync and its signal. 3) Laser drive section ON/OFF control of the semiconductive laser and APC (Auto Power Control). June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 IMAGE PROCESSING 7 - 9...
  • Page 168 IMAGE PROCESSING June 2004 © TOSHIBA TEC 7 - 10...

  • Page 169: Laser Optical Unit

    θ lenses. The unit must not be disassembled in the field as they are very sensitive to dust and finely adjusted at the factory. Paper exit Front Rear Fig.8-1 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 LASER OPTICAL UNIT 8 - 1...
  • Page 170 Polygonal motor drive PC board fθ lens-1 H-sync signal detection PC board Rear Slit glass ( for outgoing laser beam ) H-Sync returning mirror fθ lens-2 Fig.8-2 e-STUDIO200L/230/280 LASER OPTICAL UNIT June 2004 © TOSHIBA TEC 8 - 2...

  • Page 171: Structure

    The warning label shown below is attached on the inner housing at the front side of the equip- ment. Fig.8-3 [CAUTION] Do not bring tools close to the path of the laser beam. Take off your watches, rings, bracelets, etc. before handling the unit. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 LASER OPTICAL UNIT 8 - 3...
  • Page 172 One scan is completed by completion of steps (A) to (C). One scan is performed on one plane of the polygonal-mirror. Eight scans can be made with one rotation of the polygonal mirror. e-STUDIO200L/230/280 LASER OPTICAL UNIT June 2004 © TOSHIBA TEC 8 - 4 04/07...
  • Page 173 Laser emission function 6) Slit glass The slit glass is located where the laser beam is output from the laser optical unit, and it protects the unit from dust. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 LASER OPTICAL UNIT 8 - 5...

  • Page 174: Laser Diode

    The laser driver circuit increases the forward current when the laser power is insufficient, and decreases the current when the power is excessive to maintain a constant optical output. e-STUDIO200L/230/280 LASER OPTICAL UNIT June 2004 © TOSHIBA TEC 8 - 6...

  • Page 175: Polygonal Motor

    Signal Level “L” Level “H” Remarks POMON Polygonal motor ON signal POMCK Polygonal motor reference clock signal POMPL Normal rotation Abnormal rotation Polygonal motor PLL signal June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 LASER OPTICAL UNIT 8 - 7...

  • Page 176: Internal Cooling Fan-2

    It discharges the heat generated by the polygonal motor and the switching power supply. It is controlled to switch rotating in high speed, low speed or stopping according to the condition of the equipment. e-STUDIO200L/230/280 LASER OPTICAL UNIT June 2004 © TOSHIBA TEC 8 - 8...

  • Page 177: Disassembly And Replacement

    Remove 2 screws and take off the plate for installing the internal cooling fan-1. Plate Fig.8-11 Disconnect 1 connector from the rear frame. Disconnect 2 connectors from the LRL board. Fig.8-12 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 LASER OPTICAL UNIT 8 - 9...
  • Page 178 P.8-9 "[A] Laser optical unit"). Plate Fig.8-14 Disconnect 3 connectors from the LRL board. Remove 1 screw and release 2 lock- ing supports, then take off the LRL board. LRL board Fig.8-15 e-STUDIO200L/230/280 LASER OPTICAL UNIT June 2004 © TOSHIBA TEC 8 - 10...
  • Page 179 Fig.8-16 Disconnect 1 connector and remove 2 Connetor screws, and then take off the duct and the internal cooling fan-2. Duct Screw Internal cooling fan-2 Screw Fig.8-17 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 LASER OPTICAL UNIT 8 - 11 04/07...
  • Page 180 LASER OPTICAL UNIT June 2004 © TOSHIBA TEC 8 - 12...

  • Page 181: Paper Feeding System

    Lower drawer paper stock sensor Registration roller (metal) Registration sensor 1st transport roller 1st transport sensor 2nd transport roller 2nd transport sensor Bypass pickup roller Bypass paper sensor Bypass feed roller June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER FEEDING SYSTEM 9 - 1 04/09...
  • Page 182 ( 25/31 ) ( 34 ) ( 33 ) Lower drawer ( 31 ) feed clutch ( 35 ) ( 35 ) ( 33 ) Lower transport clutch Fig.9-2 e-STUDIO200L/230/280 PAPER FEEDING SYSTEM June 2004 © TOSHIBA TEC 9 - 2...
  • Page 183 12)Upper transport clutch Drives the 1st transport roller at high speed by transmitting the drive from the main motor. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER FEEDING SYSTEM 9 - 3...
  • Page 184 ON this clutch makes the 1st transport roller or the 2nd transport roller drive at low speed (the same speed as that of registration roller) 15)Registration roller clutch Drives the registration roller. e-STUDIO200L/230/280 PAPER FEEDING SYSTEM June 2004 © TOSHIBA TEC 9 - 4...

  • Page 185: Operation

    The separation roller works not to transport paper more than one sheet at a time. Bypass feed clutch Spring Pickup arm Bypass Pickup roller Bypass Pickup solenoid Bypass feed roller Bypass separation roller Fig.9-3 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER FEEDING SYSTEM 9 - 5...

  • Page 186: Operation Of Drawer Pickup Roller

    The separation roller under the feed roller prevents multiple transporting of paper. Drawer feed clutch Drawer feed roller Drawer pickup roller Drawer separation roller Fig.9-4 e-STUDIO200L/230/280 PAPER FEEDING SYSTEM June 2004 © TOSHIBA TEC 9 - 6...

  • Page 187: Separation Of Paper

    A is transported in the direction of the black arrow and the sheet B is braked by the separation roller and is not transported any further. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER FEEDING SYSTEM 9 - 7...

  • Page 188: Operation Of Clutch

    1st transport 2nd transport Upper transport Middle transport Lower transport roller roller clutch clutch clutch Low speed Low speed Low speed High speed High speed High speed Stop Stop e-STUDIO200L/230/280 PAPER FEEDING SYSTEM June 2004 © TOSHIBA TEC 9 - 8...

  • Page 189: General Operation

    The bypass pickup solenoid is turned OFF, and the bypass pickup roller moves up. • The registration clutch is turned ON, and the paper is transported to the transfer unit. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER FEEDING SYSTEM 9 - 9...
  • Page 190 The feed clutch is turned OFF and the pickup roller and feed roller to stop rotating. The registration clutch is turned ON, and the paper is transported to the transfer unit. e-STUDIO200L/230/280 PAPER FEEDING SYSTEM June 2004 © TOSHIBA TEC 9 - 10...

  • Page 191: Drive Circuit Of Tray-Up Motor

    • When both of PA7 (CLTRM-1A) and PA6 (CLTRM-0A) of ASIC become “L” level, the motor waits for the next command (the motor is stopped). June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER FEEDING SYSTEM 9 - 11...
  • Page 192 The block diagram of TA8428 and the operation of the control logic are shown below. Thermal shutdown over-current protection circuit Control logic M(+) M(-) N.C. Fig.9-8 Input Output State M (+) M (-) Brake Stop (High impedance) e-STUDIO200L/230/280 PAPER FEEDING SYSTEM June 2004 © TOSHIBA TEC 9 - 12...

  • Page 193: Disassembly And Replacement

    Remove 1 spring. Disconnect the connector of the bypass feed clutch. Fig.9-10 Remove 3 screws and take off the bypass feed unit. Screw Screw Bypass feed unit Fig.9-11 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER FEEDING SYSTEM 9 - 13 04/09...
  • Page 194 Bypass separation roller unit Fig.9-13 Take off the cover, arbor, clutch spring and bypass separation roller from the shaft. Shaft Arbor Clutch spring Cover Bypass separation roller Fig.9-14 e-STUDIO200L/230/280 PAPER FEEDING SYSTEM June 2004 © TOSHIBA TEC 9 - 14...
  • Page 195 Remove 1 clip and take off the bypass feed roller unit from the shaft. Then take off the Bypass feed roller bypass feed roller. Bypass feed roller unit Clip Fig.9-17 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER FEEDING SYSTEM 9 - 15...
  • Page 196 Take off the bypass feed unit P.9-13 "[B] Bypass feed unit"). Bypass feed clutch Remove 1 clip. Take off the bypass feed clutch together with the bushing and bracket. Bushing Clip Bracket Fig.9-20 e-STUDIO200L/230/280 PAPER FEEDING SYSTEM June 2004 © TOSHIBA TEC 9 - 16...
  • Page 197 Note: The bypass tray is removable without taking off the bypass unit from the equipment. Fig.9-22 Pull out the hinge assembly from the bypass tray. Hinge Fig.9-23 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER FEEDING SYSTEM 9 - 17 04/09...
  • Page 198 Remove 1 screw and take off the bypass separation roller cover P.9-14 "[C] Bypass separation roller"). Remove 2 screws and take off the 2nd trans- port sensor cover. Fig.9-26 e-STUDIO200L/230/280 PAPER FEEDING SYSTEM June 2004 © TOSHIBA TEC 9 - 18...
  • Page 199 2nd transport sensor. 2nd transport sensor Fig.9-28 Disconnect 1 connector. Remove 2 screws and take off the bypass pickup solenoid and Bypass pickup solenoid solenoid arm. Solenoid arm Fig.9-29 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER FEEDING SYSTEM 9 - 19...
  • Page 200 [M] Empty sensor Take off the drawer feeding unit P.9-20 "[K] Drawer feeding unit"). Empty sensor Disconnect the connector and release the latches to take off the empty sensor. Fig.9-32 e-STUDIO200L/230/280 PAPER FEEDING SYSTEM June 2004 © TOSHIBA TEC 9 - 20...
  • Page 201 Remove 1 screw and take off the separation roller holder. Separation roller holder Fig.9-34 Detach the lever from the holder and take off the separation roller with the shaft. Lever Separation roller Fig.9-35 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER FEEDING SYSTEM 9 - 21...
  • Page 202 Pickup roller assembly Remove the pickup roller assembly from the pickup arms. Take off the timing belt and then take off the pickup roller assembly. Timing belt Fig.9-38 e-STUDIO200L/230/280 PAPER FEEDING SYSTEM June 2004 © TOSHIBA TEC 9 - 22...
  • Page 203 Remove 2 screws and take off the clutch bracket and bushing. Note: Match the protruding portion of the clutch with the position shown in the figure for Bushing assembling. Clutch bracket Fig.9-41 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER FEEDING SYSTEM 9 - 23...
  • Page 204 Take off the main motor drive unit P.10-5 "[B] Main motor drive unit"). Connector Loosen 2 setscrews. Disconnect 1 connector and take off the registration roller clutch. Setscrew Registration roller clutch Fig.9-44 e-STUDIO200L/230/280 PAPER FEEDING SYSTEM June 2004 © TOSHIBA TEC 9 - 24...
  • Page 205 6 latches to take off the cover. Cover Coupling Note: Coupling Be careful in taking off the cover because there is a spring in the tray drive unit. Spring Spring Fig.9-47 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER FEEDING SYSTEM 9 - 25...
  • Page 206 Take off the main motor drive unit P.10-5 "[B] Main motor drive unit"). Remove 1 screw and take off the bracket fix- ing the upper transport clutch and 1 bushing. Fig.9-50 e-STUDIO200L/230/280 PAPER FEEDING SYSTEM June 2004 © TOSHIBA TEC 9 - 26...
  • Page 207 1 harness clamp and take off the fixing bracket. Harness clamp Fixing bracket Fig.9-52 Disconnect 1 connector. Take off 1 bushing and middle transport clutch. Connector Bushing Middle transport clutch Fig.9-53 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER FEEDING SYSTEM 9 - 27...
  • Page 208 1 bushing. Fixing bracket Bushing Fig.9-55 (10) Take off the lower transport clutch and 1 bushing. Lower transport clutch Bushing Fig.9-56 e-STUDIO200L/230/280 PAPER FEEDING SYSTEM June 2004 © TOSHIBA TEC 9 - 28...
  • Page 209 P.15-10 "[A] Automatic Duplexing Unit Side cover (ADU)"). opening/closing sensor Take off the bypass unit P.9-17 "[G] Bypass unit"). Release the latches and take off the side cover opening/closing detection sensor. Fig.9-59 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER FEEDING SYSTEM 9 - 29...
  • Page 210 (10) Remove 2 screws and take off the terminal holder. (11) Release the latch and knob. Knob Fig.9-61 (12) Remove 2 springs of both front and rear sides. Spring Fig.9-62 e-STUDIO200L/230/280 PAPER FEEDING SYSTEM June 2004 © TOSHIBA TEC 9 - 30...
  • Page 211 (14) Remove the clip of registration roller (rub- ber). Clip Fig.9-64 (15) Slide the registration roller (rubber) to the rear side. Then remove the gear. Gear Registration roller ( rubber ) Fig.9-65 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER FEEDING SYSTEM 9 - 31...
  • Page 212 (17) Remove the clip of registration roller (metal). Clip Fig.9-67 (18) Slide the registration roller (metal) to the rear side. Then remove the gear. Gear Registration roller ( metal ) Fig.9-68 e-STUDIO200L/230/280 PAPER FEEDING SYSTEM June 2004 © TOSHIBA TEC 9 - 32...
  • Page 213 Disconnect 1 connector and remove 3 screws and take off the registration guide L. Fig.9-70 Disconnect 1 connector and release the latches. Then take off the registration sensor. Registration sensor Fig.9-71 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER FEEDING SYSTEM 9 - 33...
  • Page 214 PAPER FEEDING SYSTEM June 2004 © TOSHIBA TEC 9 - 34...

  • Page 215: Drive System

    ( G26/P39 ) B:Developer coupling ( G17/P52/P25 ) ( G27/P32 ) ( G61/G33 ) D:Registration clutch ( G10 ) ( G33 ) ( G56/P27 ) ( G67/G31 ) E,F:Feed/Transport Fig.10-1 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DRIVE SYSTEM 10 - 1...

  • Page 216: Functions

    E: Transport roller drive..... Drives the transport roller by transmitting the rotation of the main motor through the gears and clutches. F: Feed roller drive....Drives the cassette feed roller by transmitting the rotation of the main motor through the gears and clutches. e-STUDIO200L/230/280 DRIVE SYSTEM June 2004 © TOSHIBA TEC 10 - 2...

  • Page 217: Main Motor

    MAMPL signal to the LGC board. (“L” level) 9) When the MAMBK from the LGC board becomes “L” level, the main motor is braked. When the MAMON signal becomes “H” level, the main motor is stopped. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DRIVE SYSTEM 10 - 3...

  • Page 218: Control Signals

    Abnormal rotation Normal rotation MAMPL MAMCK Reference clock signal Brake OFF Brake ON MAMBK MAMON Motor OFF Motor ON * The signal names are for the connector CN305 (LGC board). e-STUDIO200L/230/280 DRIVE SYSTEM June 2004 © TOSHIBA TEC 10 - 4...

  • Page 219: Disassembly And Replacement

    P.2-32 "[O] Connecting port cover"). Remove 1 screw and take off the flywheels. Fig.10-4 Remove 1 screw. Take off the bracket fixing the registration clutch and bushing. Bushing Bracket Fig.10-5 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DRIVE SYSTEM 10 - 5...
  • Page 220 Remove 3 screws. Take off the main motor Drive unit front bracket drive unit front bracket while removing the Screw timing belt, gear, pin and bushing. Screw Bushing Pulley Bushing Fig.10-8 e-STUDIO200L/230/280 DRIVE SYSTEM June 2004 © TOSHIBA TEC 10 - 6...
  • Page 221 Fig.10-10 [C] Toner motor Take off the main motor drive unit Toner motor P.10-5 "[B] Main motor drive unit"). Remove 1 screw, and take off the toner motor. Fig.10-11 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DRIVE SYSTEM 10 - 7...
  • Page 222 DRIVE SYSTEM June 2004 © TOSHIBA TEC 10 - 8...

  • Page 223: Drum Related Section

    Toner recovery auger Main charger Recovery blade Drum thermistor Post-Transfer guide Exhaust fan Separation charger Transfer charger Transfer guide roller Pre-Transfer guide Toner cartridge installation switch Ozone filter Drum Fig.11-1 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DRUM RELATED SECTION 11 - 1...

  • Page 224: Functions

    Therefore, the needle electrode enables to reduce the ozone amount. Main charger Needle electrode Charge Fig.11-2 e-STUDIO200L/230/280 DRUM RELATED SECTION June 2004 © TOSHIBA TEC 11 - 2...
  • Page 225 10)Internal cooling fan-1 This fan cools down the inside of the equipment, drum cleaning unit and developer unit. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DRUM RELATED SECTION 11 - 3...

  • Page 226: High-Voltage Transformer Output Control Circuit

    HVMVR Separation bias Separation charger Digital HVAVR data HVDVR converter HVTVR Transfer guide Pre/Post-Transfer guide, HVSAV bias Registration roller IC52 Analog data ( Reference voltage: Vc ) Fig.11-3 e-STUDIO200L/230/280 DRUM RELATED SECTION June 2004 © TOSHIBA TEC 11 - 4...

  • Page 227: Description Of Operation

    High-voltage transformer leakage detection signal (HVSDWN): This signal is for the abnormality (leakage) detection of the high-voltage transformer output. This signal becomes “L” level at the occurrence of abnormality. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DRUM RELATED SECTION 11 - 5...

  • Page 228: Drum Temperature Detection Circuit

    Namely, the input voltage to the Engine-CPU becomes smaller along with the rise of the temperature. LGC board Engine-CPU DRTH DRTHP-1 PC2/AN2 Drum thermistor IC22 Fig.11-4 e-STUDIO200L/230/280 DRUM RELATED SECTION June 2004 © TOSHIBA TEC 11 - 6...

  • Page 229: Temperature/Humidity Detection Circuit

    HMS-1A PC0/AN0 ( HUM ) Engine- TEMP-1A PC1/AN1 IC22 ( TEMP ) LGC board HUMI-THS Fig.11-5 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DRUM RELATED SECTION 11 - 7...

  • Page 230: Disassembly And Replacement

    Harness tact the gears and harness of the process unit front cover each other. Process unit front cover Fig.11-8 e-STUDIO200L/230/280 DRUM RELATED SECTION June 2004 © TOSHIBA TEC 11 - 8 04/09...
  • Page 231 Release 1 latch and take off the discharge LED unit. Note: Be careful not to touch or scratch the drum surface at this time. Discharge LED unit Latch Fig.11-11 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DRUM RELATED SECTION 11 - 9...
  • Page 232 P.11-10 "[D] Main charger"). Remove the spring and take off the main Main charger grid charger grid. Note: Do not touch the mesh area of the grid. Spring Fig.11-14 e-STUDIO200L/230/280 DRUM RELATED SECTION June 2004 © TOSHIBA TEC 11 - 10...
  • Page 233 Needle electrode Notes: 1. Do not touch the needle electrode directly with bare hands. 2. Make sure not to hold or bend the needle Terminal electrode. Spring Fig.11-17 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DRUM RELATED SECTION 11 - 11...
  • Page 234 When replacing the drum separation fingers, make sure that the drum has been taken off first since the fingers may scratch the drum surface. Drum separation finger unit Fig.11-20 e-STUDIO200L/230/280 DRUM RELATED SECTION June 2004 © TOSHIBA TEC 11 - 12...
  • Page 235 P.11-12 "[J] Drum separation finger"). Recovery blade Remove 2 screws, and take off the whole recovery blade with the bracket. Fig.11-22 Ozone filter Open the bypass tray and ADU. Bypass tray Fig.11-23 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DRUM RELATED SECTION 11 - 13...
  • Page 236 * Length: 353 mm (tungsten wire), diameter: 0.06 mm Take off the transfer/separation charger P.11-14 "[M] Transfer/Separation Separation supporter charger"). Release 9 latches and take off the separation supporter. Fig.11-26 e-STUDIO200L/230/280 DRUM RELATED SECTION June 2004 © TOSHIBA TEC 11 - 14...
  • Page 237 P.15-10 "[A] Automatic Duplexing Unit (ADU)"). Latch Take off the bypass unit P.9-17 "[G] Bypass unit"). Release 1 latch and take off the transport guide. Transport guide Fig.11-29 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DRUM RELATED SECTION 11 - 15 04/09...
  • Page 238 P.11-15 "[O] Transfer unit"). Extend the holder part to release the hook of Guide the protrusion. Rotate the guide and lift it up to take off. Holder Fig.11-32 e-STUDIO200L/230/280 DRUM RELATED SECTION June 2004 © TOSHIBA TEC 11 - 16...
  • Page 239 P.11-16 "[P] 1st transport sensor"). Remove the plate spring. Fig.11-34 Remove 2 springs and 5 screws. Take off the case while pulling the opening/ closing lever. Case Spring Fig.11-35 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DRUM RELATED SECTION 11 - 17...
  • Page 240 Remove the two-sided tape and take off the exhaust fan. Exhaust fan Fig.11-37 [R] Temperature/humidity sensor Take off the inner tray P.2-31 "[K] Inner tray"). Take off the duct. Duct Fig.11-38 e-STUDIO200L/230/280 DRUM RELATED SECTION June 2004 © TOSHIBA TEC 11 - 18...
  • Page 241 Disconnect 1 connector, remove 1 screw and take off the temperature/humidity sensor cover. Connector Screw Fig.11-39 Remove 1 screw and take off the tempera- ture/humidity sensor. Temperature/humidity sensor Fig.11-40 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DRUM RELATED SECTION 11 - 19...
  • Page 242 DRUM RELATED SECTION June 2004 © TOSHIBA TEC 11 - 20...

  • Page 243: Development System

    Recovered toner supply mechanism (paddle, toner recycling auger) Toner recovery roller Drum thermistor Drum Paddle Doctor blade Toner recycling auger Toner recovery roller Mixer-3 Mixer-2 Auto-toner sensor Mixer-1 Developer sleeve Fig.12-1 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DEVELOPMENT SYSTEM 12 - 1...

  • Page 244: Functions

    The recovered toner transported from the drum cleaner is transported into the developer unit by the paddle and the toner recycling auger on the front side of the developer unit. The drive of the toner recycling auger is transmitted by the mixer-3. e-STUDIO200L/230/280 DEVELOPMENT SYSTEM June 2004 © TOSHIBA TEC 12 - 2...

  • Page 245: Recovered Toner Supply Mechanism

    They are further mixed and transported to the developer sleeve by the mixer-1. Drum cleaner Mixer-1 Mixer-2 Toner recovery auger Mixer-3 Paddle Toner cartridge Fresh toner Recovered toner Toner recycling auger Fig.12-2 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DEVELOPMENT SYSTEM 12 - 3...

  • Page 246: Drive Circuit Of Toner Motor

    When both of PC1 (TNRM-1A) and PC0 (TNRM-0A) of the ASIC become “H” level, the motor is braked and stopped. • When both of PC1 (TNRM-1A) and PC0 (TNRM-0A) of ASIC become “L” level, the motor waits for the next command (the motor is stopped). e-STUDIO200L/230/280 DEVELOPMENT SYSTEM June 2004 © TOSHIBA TEC 12 - 4...
  • Page 247 The block diagram of TA8428 and the operation of the control logic are shown below. Thermal shutdown over-current protection circuit Control logic M(+) M(-) N.C. Fig.12-4 Input Output State M (+) M (-) Brake Stop (High impedance) June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DEVELOPMENT SYSTEM 12 - 5...

  • Page 248: Auto-Toner Circuit

    ( TA8428 ) NVRAM Toner motor IC24 IC31 Control voltage signal Engine- D/A converter Toner density signal Auto-toner sensor A/D converter IC22 Developer material Temperature/humidity sensor Developer unit Fig.12-5 e-STUDIO200L/230/280 DEVELOPMENT SYSTEM June 2004 © TOSHIBA TEC 12 - 6...

  • Page 249: Function Of Auto-Toner Sensor

    The toner motor is driven. → Toner is supplied from toner cartridge. → The auto-toner sensor output changes. → The toner density returns to normal value. → The toner-empty state is cleared. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DEVELOPMENT SYSTEM 12 - 7...
  • Page 250 The ratio of the toner against the carrier in the developer material increases. → The magnetic resistance increases. → The detection output decreases. → The auto-toner output V decreases. e-STUDIO200L/230/280 DEVELOPMENT SYSTEM June 2004 © TOSHIBA TEC 12 - 8...

  • Page 251: Disassembly And Replacement

    Note: When installing the process unit, make sure that the connector (harness) is not caught under the developer unit. Process unit Connector Fig.12-7 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DEVELOPMENT SYSTEM 12 - 9 04/09...
  • Page 252 Developer unit upper cover P.12-10 "[B] Developer unit"). Remove 2 screws and slide the developer unit upper cover to the direction of the arrow and take it off. Fig.12-10 e-STUDIO200L/230/280 DEVELOPMENT SYSTEM June 2004 © TOSHIBA TEC 12 - 10...
  • Page 253 Rotate the gear on the rear side of the devel- oper unit to the direction of the arrow while filling the developer unit with the developer material. Spread out the developer material over the developer sleeve. Fig.12-13 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DEVELOPMENT SYSTEM 12 - 11...
  • Page 254 [G] Guide roller / Developer sleeve Remove the developer material P.12-10 "[C] Removing developer mate- rial"). Recovered toner Remove 2 screws and take off the recovered supply unit toner supply unit. Fig.12-16 e-STUDIO200L/230/280 DEVELOPMENT SYSTEM June 2004 © TOSHIBA TEC 12 - 12...
  • Page 255 When the screws on both ends of the doctor sleeve are removed, be sure to adjust the doctor sleeve gap (0.45±0.05 mm) after assembling. (Refer to Service Handbook Chap. 3.9) Screw Screw Fig.12-19 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DEVELOPMENT SYSTEM 12 - 13...
  • Page 256 Fig.12-20 Remove 2 screws and take off the bracket. Connector Bracket Fig.12-21 Remove 1 E-ring and take off the guide roller on the front side. E-ring Guide roller Fig.12-22 e-STUDIO200L/230/280 DEVELOPMENT SYSTEM June 2004 © TOSHIBA TEC 12 - 14...
  • Page 257 (10) Remove 1 E-ring. Remove the arm and cam. E-ring Fig.12-23 (11) Remove 1 screw and the gear. Gear Fig.12-24 (12) Remove 2 screws. Take off 1 bearing and the bracket. Bearing Bracket Fig.12-25 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DEVELOPMENT SYSTEM 12 - 15...
  • Page 258 (15) Take off the guide roller on the rear side. Guide roller Pulley E-ring Fig.12-27 (16) Remove the seal on the front side. Remove 1 E-ring and 1 bushing. Seal E-ring Bushing Fig.12-28 e-STUDIO200L/230/280 DEVELOPMENT SYSTEM June 2004 © TOSHIBA TEC 12 - 16...
  • Page 259 Doctor sleeve sleeve"). Take off the doctor sleeve. Fig.12-30 Remove 1 screw and take off the tensioner bracket. Remove 2 screws and take off the holder. Holder Tensioner bracket Fig.12-31 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DEVELOPMENT SYSTEM 12 - 17...
  • Page 260 Take off the mixers-2 and -3. Mixer-3 Mixer-2 Fig.12-33 Remove 2 bushings and 2 oil seals on the rear side. (Replacement of Oil Seal: P.12-20 "[I] Replacement of Oil Seal" Oil seal Bushing Fig.12-34 e-STUDIO200L/230/280 DEVELOPMENT SYSTEM June 2004 © TOSHIBA TEC 12 - 18...
  • Page 261 Mixer-1 Fig.12-36 (11) Remove the bushing on the rear side. (12) Remove the oil seal. (Replacement of Oil Seal: P.12-20 "[I] Replacement of Oil Seal") Oil seal Bushing Fig.12-37 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 DEVELOPMENT SYSTEM 12 - 19...
  • Page 262 Outside Apply the grease (Alvania No.2; amount of 2 rice grains) on entire surface of the oil seal evenly. Grease Note: Wipe off the excessive grease. Oil seal Fig.12-38 e-STUDIO200L/230/280 DEVELOPMENT SYSTEM June 2004 © TOSHIBA TEC 12 - 20...

  • Page 263: Fuser Unit

    Separation finger Fuser roller Center heater lamp Paper exit section Side heater lamp Pressure roller Thermostat Cleaning roller Thermistor Fuser unit Fig.13-1 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 FUSER UNIT 13 - 1...

  • Page 264: Operation

    The thermistors control the temperature of fuser roller and detect temperature abnormalities. If the tem- perature becomes excessively high, the thermostat is opened to stop the power supply to the heater lamps. e-STUDIO200L/230/280 FUSER UNIT June 2004 © TOSHIBA TEC 13 - 2...

  • Page 265: Functions

    The stain (residual toner) tends to remain more on the cleaning roller than on the fuser roller or pres- sure roller. Therefore, the stain (residual toner) once adhered on the cleaning roller does not adhere again on the pressure roller or fuser roller. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 FUSER UNIT 13 - 3...
  • Page 266 When the thermostat detects any abnor- mality, it must be replaced as well as the other damaged parts in the fuser unit. e-STUDIO200L/230/280 FUSER UNIT June 2004 © TOSHIBA TEC 13 - 4...

  • Page 267: Heater Control Circuit

    Overheat detection signal +5VSW Center heater lamp control signal Temperature Side heater lamp control circuit control signal AC line DC line Forcible power-off Reset signal circuit LGC board Fig.13-3 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 FUSER UNIT 13 - 5...

  • Page 268: Temperature Detection Section

    For this reason, the edge thermistor detects the temperature of the end of the fuser roller. When this thermistor detects the abnormal temperature (230ºC), the heater lamp is turned OFF regardless of the temperature of the area where the paper passes on. e-STUDIO200L/230/280 FUSER UNIT June 2004 © TOSHIBA TEC 13 - 6...
  • Page 269 Fixed time ( 08-205 ) ( Heater lamp OFF ) Warming-up Ready During printing Auto °C Shut Off Mode Fixed time ( 08-206 ) Temperature of fuser roller Heater lamp Fig.13-5 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 FUSER UNIT 13 - 7 04/09...
  • Page 270 OFF again. After confirming that it is the fuser unit abnormality, correct the abnormality and reset the counter value (08-400) to “0” to start up the equipment normally. e-STUDIO200L/230/280 FUSER UNIT June 2004 © TOSHIBA TEC 13 - 8...
  • Page 271 LGC circuit abnormality or thermistor abnormality. The thermistors automatically turn OFF the power when the temperature of heater lamp exceeds the specified temperature. +5.1V Engine-CPU Center thermistor PC4/AN4 +5.1V Side thermistor PC5/AN5 +5.1V Edge thermistor PC6/AN6 Fig.13-6 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 FUSER UNIT 13 - 9...
  • Page 272 On usual C440 230°C or above In Self-diagnosis 230°C or above On usual C440 Mode 230°C or above The figures in the “priority” section denote the priority of error checking. e-STUDIO200L/230/280 FUSER UNIT June 2004 © TOSHIBA TEC 13 - 10...

  • Page 273: Disassembly And Replacement

    Take off the fuser unit P.13-11 "[A] Fuser unit"). Fuser unit upper cover Release the harness from the harness clamp. Remove 4 screws and take off the fuser unit upper cover. Fig.13-9 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 FUSER UNIT 13 - 11...
  • Page 274 Remove 2 springs. Note: Spring When installing the spring, catch the spring on the lower hook. Fig.13-11 Remove 4 screws and take off the separation finger bracket. Separation finger bracket Fig.13-12 e-STUDIO200L/230/280 FUSER UNIT June 2004 © TOSHIBA TEC 13 - 12...
  • Page 275 4. Distinguish the harnesses by their termi- Weld nals: The M3 one is for the center heater lamp and the M4 one is for the side heater Fig.13-15 lamp. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 FUSER UNIT 13 - 13...
  • Page 276 P.13-14 "[E] Fuser roller"). Place the fuser unit with the pressure roller on its bottom. Remove 2 screws and take off the fuser unit entrance guide. Fuser unit entrance guide Fig.13-18 e-STUDIO200L/230/280 FUSER UNIT June 2004 © TOSHIBA TEC 13 - 14...
  • Page 277 P.13-14 "[E] Fuser roller"). Remove 2 screws and take off the cleaning Cleaning unit unit. Fig.13-20 Press down the holder and take off the cleaning roller. Cleaning roller Holder Fig.13-21 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 FUSER UNIT 13 - 15...
  • Page 278 Edge thermistor installation positions of the side thermistor and edge thermistor by the length of each Side thermistor harness. Center thermistor Fig.13-24 e-STUDIO200L/230/280 FUSER UNIT June 2004 © TOSHIBA TEC 13 - 16...
  • Page 279 Stepped screw fuser unit lower cover. Fuser unit lower cover Fig.13-26 Take off 2 thermostats by removing 2 screws each. Thermostat Fig.13-27 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 FUSER UNIT 13 - 17...
  • Page 280 2.3±0.2 mm with the screw in the figure at right. Therefore, make sure not to loosen 4 screws shown in the fig- ure at right. Fig.13-28 e-STUDIO200L/230/280 FUSER UNIT June 2004 © TOSHIBA TEC 13 - 18...

  • Page 281: Paper Exit Section

    Exit gate Exit roller Paper exit section Exit sensor Fuser unit Fig.14-1 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER EXIT SECTION 14 - 1...

  • Page 282: Functions

    3) Exit roller The exit roller transports the paper from the fuser unit to the inner tray, paper exit options or ADU. This roller is driven by the exit motor. e-STUDIO200L/230/280 PAPER EXIT SECTION June 2004 © TOSHIBA TEC 14 - 2...

  • Page 283: Control Circuit Of Exit Motor

    LGC board EXTMA-0 PG10 EXTMA EXTMB-0 PG11 EXTMC Engine- EXTMC-0 PG12 EXTMB EXTMD-0 PG13 EXTMD IC22 Exit Motor DICH1 VREF ASIC CLKCH1 STK672 converter LDCH1 IC50 IC24 IC52 Fig.14-2 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER EXIT SECTION 14 - 3...

  • Page 284: Exit Motor Drive

    The diagram shown below is the layout of the driving gears of the exit roller. Exit motor Exit roller (φ 15 ) ( 20 ) ( 40/G16 ) ( G20 ) Fig.14-3 e-STUDIO200L/230/280 PAPER EXIT SECTION June 2004 © TOSHIBA TEC 14 - 4...

  • Page 285: Disassembly And Replacement

    P.2-32 "[N] Right rear cover"). Paper exit unit Take off the exit cover P.14-5 "[A] Exit cover"). Remove 2 connectors, remove 3 screws and then take off the paper exit unit. Fig.14-5 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER EXIT SECTION 14 - 5...
  • Page 286 Exit motor Fig.14-7 [D] Exit sensor Take off the paper exit unit P.14-5 "[B] Paper exit unit"). Disconnect 1 connector and take off the exit sensor. Exit sensor Fig.14-8 e-STUDIO200L/230/280 PAPER EXIT SECTION June 2004 © TOSHIBA TEC 14 - 6...
  • Page 287 Remove 1 E-ring and 1 bearing on the front side. Remove 1 E-ring, 1 gear and 1 bearing Gear Exit roller on the rear side. Bearing Take off the exit roller. E-ring Bearing E-ring Fig.14-11 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PAPER EXIT SECTION 14 - 7...
  • Page 288 PAPER EXIT SECTION June 2004 © TOSHIBA TEC 14 - 8...

  • Page 289: Automatic Duplexing Unit (Adu) (Option: Md-0102)

    Upper transport roller Entrance guide Paper guide ADU motor ADU entrance sensor Middle transport roller ADU exit sensor Lower transport roller Exit guide Fig.15-1 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 AUTOMATIC DUPLEXING UNIT (ADU) (OPTION: MD-0102) 15 - 1 04/09...

  • Page 290: Description Of Operations

    The figures in the following pages show the circulating operations during duplex copying. The numbers in the figures indicate the page numbers. e-STUDIO200L/230/280 AUTOMATIC DUPLEXING UNIT (ADU) (OPTION: MD-0102) June 2004 © TOSHIBA TEC 15 - 2...
  • Page 291 ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( 6 ) ( 7 ) ( 8 ) ( 9 ) Fig.15-2 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 AUTOMATIC DUPLEXING UNIT (ADU) (OPTION: MD-0102) 15 - 3...
  • Page 292 ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( 6 ) ( 7 ) ( 8 ) Fig.15-3 e-STUDIO200L/230/280 AUTOMATIC DUPLEXING UNIT (ADU) (OPTION: MD-0102) June 2004 © TOSHIBA TEC 15 - 4...
  • Page 293 Timing chart for duplex copying from upper drawer (A4, 4 sheets) Fig.15-4 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 AUTOMATIC DUPLEXING UNIT (ADU) (OPTION: MD-0102) 15 - 5...
  • Page 294 Timing chart for duplex copying from upper drawer (A3, 1 sheet) Fig.15-5 e-STUDIO200L/230/280 AUTOMATIC DUPLEXING UNIT (ADU) (OPTION: MD-0102) June 2004 © TOSHIBA TEC 15 - 6...

  • Page 295: Drive Of Adu

    When the ADU clutch is turned ON, the middle trans- port roller and lower transport roller are rotated. ADU motor Upper transport roller ADU clutch Middle transport roller Lower transport roller Fig.15-6 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 AUTOMATIC DUPLEXING UNIT (ADU) (OPTION: MD-0102) 15 - 7...

  • Page 296: Flow Chart

    ADU motor ON ADU motor stopped ADU clutch ON ADU exit sensor check the arrival ADU transport jam ( E520 ) Specified time has passed Fig.15-7 e-STUDIO200L/230/280 AUTOMATIC DUPLEXING UNIT (ADU) (OPTION: MD-0102) June 2004 © TOSHIBA TEC 15 - 8...
  • Page 297 ADU misfeeding ( E110 ) Registration in process Registration process completed ADU motor stopped ADU clutch OFF Next paper is ready for the registration Fig.15-8 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 AUTOMATIC DUPLEXING UNIT (ADU) (OPTION: MD-0102) 15 - 9...

  • Page 298: Disassembly And Replacement

    Remove 2 screws and take off the right rear hinge cover. Right rear hinge cover Fig.15-10 Disconnect 2 connectors. Remove 1 screw and 1 ground wire. Fig.15-11 e-STUDIO200L/230/280 AUTOMATIC DUPLEXING UNIT (ADU) (OPTION: MD-0102) June 2004 © TOSHIBA TEC 15 - 10 04/09...
  • Page 299 Take off the ADU inside rear cover P.15-11 "[B] ADU inside rear cover"). ADU opening/closing switch Disconnect 1 connector. Release the latches and take off the ADU opening/closing switch. Fig.15-14 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 AUTOMATIC DUPLEXING UNIT (ADU) (OPTION: MD-0102) 15 - 11...
  • Page 300 P.15-11 "[B] ADU inside rear cover"). Disconnect 3 connectors from the ADU board. Fig.15-16 Remove 4 screws and take off the ADU cover. ADU cover Fig.15-17 e-STUDIO200L/230/280 AUTOMATIC DUPLEXING UNIT (ADU) (OPTION: MD-0102) June 2004 © TOSHIBA TEC 15 - 12...
  • Page 301 Take off the ADU clutch P.15-13 "[F] ADU clutch"). Remove the spring. Spring Fig.15-19 Remove 1 screw and take off the ADU rear latch. ADU rear latch Fig.15-20 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 AUTOMATIC DUPLEXING UNIT (ADU) (OPTION: MD-0102) 15 - 13...
  • Page 302 Fig.15-22 Take off the timing belt. Remove E-ring. Then take off the gears from the ADU drive unit. Gear Gear Timing belt Gear E-ring Fig.15-23 e-STUDIO200L/230/280 AUTOMATIC DUPLEXING UNIT (ADU) (OPTION: MD-0102) June 2004 © TOSHIBA TEC 15 - 14...
  • Page 303 Clip Fig.15-25 Remove 1 clip on the front side. Then take off 2 bushings and upper transport roller. Clip Bushing Upper transport roller Bushing Fig.15-26 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 AUTOMATIC DUPLEXING UNIT (ADU) (OPTION: MD-0102) 15 - 15...
  • Page 304 Remove 1 E-ring and 1 clip on the rear side. Take off 2 bushings and middle transport Bushing Middle transport roller roller. E-ring Clip Bushing Fig.15-29 e-STUDIO200L/230/280 AUTOMATIC DUPLEXING UNIT (ADU) (OPTION: MD-0102) June 2004 © TOSHIBA TEC 15 - 16...
  • Page 305 Timing belt Clip Fig.15-31 Remove 1 clip on the rear side. Take off 2 Clip bushings and lower transport roller. Bushing Lower transport roller Bushing Fig.15-32 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 AUTOMATIC DUPLEXING UNIT (ADU) (OPTION: MD-0102) 15 - 17...
  • Page 306 P.15-12 "[E] ADU cover"). Sheet Take off the sheet. Fig.15-34 Disconnect 1 connector. Release the latches and take off the ADU exit sensor. ADU exit sensor Fig.15-35 e-STUDIO200L/230/280 AUTOMATIC DUPLEXING UNIT (ADU) (OPTION: MD-0102) June 2004 © TOSHIBA TEC 15 - 18...

  • Page 307: Power Supply Unit

    Heater in each section in the equipment. The Damp Heater (including the FUS board) is an option in NAD/MJD model, and is installed as standard device in other models. June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 POWER SUPPLY UNIT 16 - 1...

  • Page 308: Operation Of Dc Output Circuits

    If the protection circuit is activated (except the case the fuse is blown out), remove the causes such as short-circuit. Turn ON the power again 1 minute later to clear the overcurrent protection. e-STUDIO200L/230/280 POWER SUPPLY UNIT June 2004 © TOSHIBA TEC 16 - 2...

  • Page 309: Output Channel

    Output to the SLG board 4) -12V -12VA CN705 Pin 9 Output to the SYS board -12VB CN705 Pin 3 Output to the SYS board 5) +24V +24VB Not used June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 POWER SUPPLY UNIT 16 - 3...
  • Page 310 LGC board), PFP/LCF (via LGC board), Bridge unit / Job separator / Offset tray (via LGC board) CN707 For the ADU board, finisher +24VD1, +24VD2, +24VD5 CN708 For the SLG board, RADF +24VD3, +24VD4 e-STUDIO200L/230/280 POWER SUPPLY UNIT June 2004 © TOSHIBA TEC 16 - 4...

  • Page 311: Fuse

    Bridge unit / Job separator / Offset tray +24VD3 RADF F6:4A (Semi time-lag) +24VD4 Scan motor F7:4A (Semi time-lag) Exposure lamp (Inverter board) +24VD5 Finisher F8:5A (Semi time-lag) June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 POWER SUPPLY UNIT 16 - 5...

  • Page 312: Configuration Of Power Supply Unit

    16.5 Configuration of Power Supply Unit Fig.16-1 e-STUDIO200L/230/280 POWER SUPPLY UNIT June 2004 © TOSHIBA TEC 16 - 6 04/09...

  • Page 313: Sequence Of Power Supply

    Lower limit of each rated voltage or higher +4.95V ( R.V. +5.1V ) +11.4V ( R.V. +12V ) -11.4V ( R.V. -12V ) +21.6V ( R.V. +24V ) Fig.16-2 June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 POWER SUPPLY UNIT 16 - 7...

  • Page 314: Ac Wire Harness

    16.7 AC Wire Harness Fig.16-3 e-STUDIO200L/230/280 POWER SUPPLY UNIT June 2004 © TOSHIBA TEC 16 - 8 04/09...

  • Page 315: Pc Boards

    17. PC BOARDS 1) PWA-F-SYS June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PC BOARDS 17 - 1...
  • Page 316 2) PWA-F-LGC 3) PWA-F-SLG e-STUDIO200L/230/280 PC BOARDS June 2004 © TOSHIBA TEC 17 - 2...
  • Page 317 4) PWA-F-CCD 5) PWA-F-LRL 6) PWA-F-LDR 7) PWA-F-SNS June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PC BOARDS 17 - 3...
  • Page 318 8) PWA-F-ADU * e-STUDIO230/280 (NAD/AUD/MJD/IRD/CND) models: Standard, e-STUDIO200L (NAD/ASD), e-STUDIO230/280 (ASD/ASU/SAD/TWD), e-STUDIO230L (MJD), e-STUDIO280S (CND) models: Option 9) PWA-F-DSP 10)PWA-F-KEY e-STUDIO200L/230/280 PC BOARDS June 2004 © TOSHIBA TEC 17 - 4 04/09...
  • Page 319 11)PWA-F-FUS * ASD/AUD/SAD/ASU/TWD/CND/IRD models: Standard, NAD/MJD models: Option 12)PWA-F-NIC * e-STUDIO230/280 (NAD/AUD/MJD/IRD/CND/TWD) models: Standard, e-STUDIO200L (NAD/ASD), e-STUDIO230/280 (ASD/ASU/SAD), e-STUDIO230L (MJD), e-STUDIO280S (CND) models: Option June 2004 © TOSHIBA TEC e-STUDIO200L/230/280 PC BOARDS 17 - 5 04/09...
  • Page 320 PC BOARDS June 2004 © TOSHIBA TEC 17 - 6...

This manual is also suitable for:

E-studio200lE-studio230E-studio230lE-studio280E-studio280s

Table of Contents