Page 1 MULTIFUNCTIONAL DIGITAL COLOR SYSTEMS e-STUDIO3511/4511 File No. SME03000500 R03042130900-TTEC Ver02_2004-10...
Page 3 GENERAL PRECAUTIONS REGARDING THE INSTALLATION AND SERVICE FOR e-STUDIO3511/4511 The installation and service should be done by a qualified service technician. 1. Transportation/Installation • When transporting/installing the equipment, employ four persons and be sure to use the positions as indicated below. The equipment is quite heavy and weighs approximately 112kg (246 lb.), therefore pay full attention when handling it.
Page 4 Be sure to handle/install them properly. If these parts are shorted circuit and/or made their functions out, they may burn down, for instance, and may result in fatal accidents. Do not allow a short circuit to occur. Do not use the parts not recommended by Toshiba TEC Corporation. Cautionary Labels •...
Page 5: Table Of Contents
4.3 Detection of Abnormality ....................4-7 4.3.1 Types of abnormality ....................4-7 4.3.2 Description of abnormality ..................4-7 4.4 Flow Chart ........................4-12 4.4.1 Power ON to ready ....................4-12 4.4.2 Automatic feed copying ..................4-14 November 2003 © TOSHIBA TEC e-STUDIO3511/4511 CONTENTS...
Page 6 7.3.2 Functions of image processing circuit ..............7-5 7.4 LGC Board (PWA-F-LGC-350) ..................7-10 7.4.1 Features ........................ 7-10 7.4.2 Functions of image processing circuit ..............7-10 7.5 Laser Driving PC Board (LDR Board) ................7-10 e-STUDIO3511/4511 CONTENTS November 2003 © TOSHIBA TEC...
Page 7 11.5.1 General description ....................11-6 11.5.2 Construction ......................11-6 11.6 Charger Wire Cleaner ...................... 11-7 11.6.1 Operation ......................11-7 11.6.2 Construction ......................11-7 11.6.3 Drive circuit ......................11-8 11.7 Disassembly and Replacement..................11-9 November 2003 © TOSHIBA TEC e-STUDIO3511/4511 CONTENTS...
Page 8 14.2 Construction ........................14-1 14.3 Functions ......................... 14-2 14.4 Outline of 1st transfer ....................... 14-4 14.5 Outline of 2nd transfer ...................... 14-4 14.6 High-Voltage Power Supply ..................... 14-5 14.7 Disassembly and Replacement..................14-6 e-STUDIO3511/4511 CONTENTS November 2003 © TOSHIBA TEC...
Page 9 18.3 Output Channel ........................ 18-2 18.4 Fuse ..........................18-4 18.5 Configuration of Power Supply Unit ................. 18-5 18.6 Sequence of Power Supply ....................18-6 18.7 AC Wire Harness ......................18-7 19. PC BOARDS ....................... 19-1 November 2003 © TOSHIBA TEC e-STUDIO3511/4511 CONTENTS...
Page 11: Specifications/Accessories/Options/Supplies
35[45] or more at the black mode and 11 or more at the color mode. • Reproduction ratio: 100% The values in ( ) are available when printed at color mode. November 2003 © TOSHIBA TEC 1 - 1 e-STUDIO3511/4511 SPECIFICATIONS...
Page 12 (A4/LT, upper drawer, 100%, original placed manually) • Warming-up time ....Approx. 40 seconds (Stand-alone, temperature: 20°C) • Multiple copying ....Up to 999 copies; Key in set numbers e-STUDIO3511/4511 SPECIFICATIONS 1 - 2 November 2003 © TOSHIBA TEC 04/10...
Page 13 • Power consumption ..1.5 kW or less (100V series), 1.7 kW or less (200V series) * The electric power is supplied to the reversing automatic document feeder, finisher, PFP and LCF through the equipment. • Total counter ...... Electronical counter November 2003 © TOSHIBA TEC 1 - 3 e-STUDIO3511/4511 SPECIFICATIONS...
Page 14 • Dimensions of the equipment ..See the figure below (W660 x D718 x H739 mm) * When the tilt angle of the control panel is 45 degrees. 45° Fig. 1-101 e-STUDIO3511/4511 SPECIFICATIONS 1 - 4 November 2003 © TOSHIBA TEC...
Page 15: Accessories
Screw M3 x 8 / M4 x 8 1 pc. / 1pc. * Machine version NAD: North America MJD: Europe AUD: Australia ASD: Asia TWD: Taiwan SAD: Saudi Arabia JPD: Japan November 2003 © TOSHIBA TEC 1 - 5 e-STUDIO3511/4511 SPECIFICATIONS...
Page 16: Options
Toner cartridge (K) PS-ZT3511 *K, PS-ZT3511K Toner cartridge (Y) PS-ZT3511 *Y, PS-ZT3511Y Toner cartridge (M) PS-ZT3511 *M, PS-ZT3511M Toner cartridge (C) PS-ZT3511 *C, PS-ZT3511C Marked * : E, D, C and T e-STUDIO3511/4511 SPECIFICATIONS 1 - 6 November 2003 © TOSHIBA TEC...
Page 19: Outline Of The Machine
2. OUTLINE OF THE MACHINE 2.1 Sectional View [A] Front side view 6 7 5 32 31 65 66 68 69 Fig. 2-101 November 2003 © TOSHIBA TEC 2 - 1 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 04/01...
Page 20 ADU lower transport roller Developer sleeve Y ADU entrance sensor Mixer-F (Y) ADU exit sensor Mixer-R (Y) Receiving tray Color auto-toner sensor Paper clinging detection sensor e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 2 November 2003 © TOSHIBA TEC 04/01...
Page 21 [B] Rear side view (Drive system) Fig. 2-102 November 2003 © TOSHIBA TEC 2 - 3 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 04/05...
Page 22 Lower drawer feed clutch Tray-up motor Developer motor Black developer lifting clutch Color developer toner supply clutch Color developer drive clutch Revolver motor ADU motor ADU clutch e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 4 November 2003 © TOSHIBA TEC 04/05...
Page 23: Electric Parts Layout
PC board unit Scanner unit Control panel unit Fuser unit Automatic duplexing unit Bypass unit Transport unit Process unit Laser unit Front side Paper feeder unit Fig. 2-201 November 2003 © TOSHIBA TEC 2 - 5 e-STUDIO3511/4511 OUTLINE OF THE MACHINE...
Page 24 [B] Scanner unit (B-1) Motor, sensor, lamp A4 series Front side Fig. 2-202-1 LT series Front side Fig. 2-202-2 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 6 November 2003 © TOSHIBA TEC...
Page 25 (B-2) Switch, PC board, heater, thermostat, other part DH2* THMO2* DH1* Front side * ASD/AUD/CND/SAD/TWD models: Standard, NAD/MJD models: Option Fig. 2-203 [C] Control panel unit Front side Fig. 2-204 November 2003 © TOSHIBA TEC 2 - 7 e-STUDIO3511/4511 OUTLINE OF THE MACHINE...
Page 26 Front side Fig. 2-205 (D-2) Motor, sensor, switch, solenoid, lamp, heater, thermistor, thermostat SOL2 THMO3* THM4 DH3* Front side * ASD/AUD/CND/SAD/TWD models: Standard, NAD/MJD models: Option Fig. 2-206 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 8 November 2003 © TOSHIBA TEC...
Page 27 (D-3) Motor, switch Front side Fig. 2-207 [E] Laser unit Front side Fig. 2-208 November 2003 © TOSHIBA TEC 2 - 9 e-STUDIO3511/4511 OUTLINE OF THE MACHINE...
Page 28 [F] Paper feeder unit CLT2 CLT3 Front side Fig. 2-209 [G] Transport unit CLT5 Front side Fig. 2-210 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 10 November 2003 © TOSHIBA TEC 04/05...
Page 29 [H] Bypass unit CLT6 SOL3 Front side Fig. 2-211 [I] Automatic duplexing unit CLT7 Front side Fig. 2-212 November 2003 © TOSHIBA TEC 2 - 11 e-STUDIO3511/4511 OUTLINE OF THE MACHINE...
Page 30 [J] Fuser unit IH-COIL THMO1 THM2 THM3 THM1 Front side Fig. 2-213 [K] Drive unit CLT12 CLT14 CLT13 CLT8 CLT15 CLT9 CLT16 CLT10 CLT11 Front side Fig. 2-214 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 12 November 2003 © TOSHIBA TEC...
Page 31 [L] PC board unit FIL or FUS* Front side * NAD/SAD/TWD models: FIL (Standard), ASD/AUD/CND models: FUS (Standard), MJD model: FUS (Option) Fig. 2-215 November 2003 © TOSHIBA TEC 2 - 13 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 05/03...
Page 32: Symbols And Functions Of Various Components
Power supply cooling fan INTRNL-FAN-MOT Cooling down the equipment inside P1 - I35 Internal cooling fan HDD-FAN-MOT Cooling down the HDD P8 - I50 HDD cooling fan e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 14 November 2003 © TOSHIBA TEC 05/03...
Page 33 Upper drawer feed sensor transport at upper drawer feeding section FED-L-SNR Detecting paper jam and paper P24 - I52 Lower drawer feed sensor transport at lower drawer feeding section November 2003 © TOSHIBA TEC 2 - 15 e-STUDIO3511/4511 OUTLINE OF THE MACHINE...
Page 34 P24 - I51 Side cover opening/closing switch CLING-SNR Detecting whether the paper is P41 - I25 Paper clinging detection sensor clinging to the transfer belt or not e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 16 November 2003 © TOSHIBA TEC...
Page 35 Driving the image quality sensor P23 - I21 Image quality sensor shutter solenoid shutter SOL3 SFB-SOL Driving the bypass pickup roller P22 - I11 Bypass pickup solenoid November 2003 © TOSHIBA TEC 2 - 17 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 04/05...
Page 36 * NAD/SAD/TWD models: Standard PWA-F-FUS Power supplying to each damp P7 - I4 Fuse PC board (FUS board) heater * ASD/AUD/CND models: Standard * MJD model: Option e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 18 November 2003 © TOSHIBA TEC...
Page 37 * NAD/MJD models: Option THMO3 THERMO-DRM-DH Controlling the temperature of the P35 - I24 Drum damp heater thermostat drum damp heater * ASD/AUD/CND/SAD/TWD models: Standard * NAD/MJD models: Option November 2003 © TOSHIBA TEC 2 - 19 e-STUDIO3511/4511 OUTLINE OF THE MACHINE...
Page 38 NS-FILTER Cutting noise of AC power P7 - I2 Noise filter BREAKER Preventing the inflow of overcurrent P7 - I3 Breaker to the equipment e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 20 November 2003 © TOSHIBA TEC...
Page 39: General Description
2.4 General Description 2.4.1 System block diagram slot external November 2003 © TOSHIBA TEC 2 - 21 e-STUDIO3511/4511 OUTLINE OF THE MACHINE...
Page 40: Construction Of Boards
INV board: This is the board on which the lighting control circuit of the exposure lamp is mounted. The exposure lamp lights by the command from the Scanner-CPU. e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 22 November 2003 © TOSHIBA TEC...
Page 41 System-CPU communicates with Scanner-CPU on the SLG board and Engine-CPU on the LGC board, and then issues an operation command to the scanner and printer engine section. November 2003 © TOSHIBA TEC 2 - 23 e-STUDIO3511/4511 OUTLINE OF THE MACHINE...
Page 42 This is the unit to generate each DC voltage, which is used in the equipment, from external AC electric power input. And then it is provided to each electric part. e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 24 November 2003 © TOSHIBA TEC...
Page 43: Disassembly And Replacement Of Covers And Pc Boards
Fig. 2-503 [B] Receiving tray (1) Open the front cover ( Chapter 2.5.1 [A]). (2) Remove 2 screws and pull out the receiving Receiving tray. tray Fig. 2-504 November 2003 © TOSHIBA TEC 2 - 25 e-STUDIO3511/4511 OUTLINE OF THE MACHINE...
Page 44 Fig. 2-507 [F] Left cover (1) Open the front cover ( Chapter 2.5.1 [A]). (2) Remove 4 screws and take off the left cover. Left cover Fig. 2-508 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 26 November 2003 © TOSHIBA TEC...
Page 45 (2) Remove 2 screws. Take off the front upper cover. Fig. 2-511 [J] Right upper cover (1) Remove 3 screws and take off the right upper cover. Fig. 2-512 November 2003 © TOSHIBA TEC 2 - 27 e-STUDIO3511/4511 OUTLINE OF THE MACHINE...
Page 46 (4) Remove 2 screws and take off the right upper cover cover ( Chapter 2.5.1 [J]). (5) Remove 2 screws and take off the right rear Ozone filter cover cover. Fig. 2-516 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 28 November 2003 © TOSHIBA TEC...
Page 47 (2) Remove 2 screws and take off the right front hinge cover. Right front hinge cover Fig. 2-519 [P] Rear cover (1) Remove 7 screws and take off the rear cover. Rear cover Fig. 2-520 November 2003 © TOSHIBA TEC 2 - 29 e-STUDIO3511/4511 OUTLINE OF THE MACHINE...
Page 48 (3) Take off the right upper cover ( Chapter 2.5.1 [J]). (4) Remove 2 screws and take off the upper rear cover. Upper rear cover Fig. 2-521 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 30 November 2003 © TOSHIBA TEC...
Page 49: Pc Boards
[B] Hard disk (HDD) (1) Take off the rear cover ( Chapter 2.5.1 [P]). (2) Loosen 4 screws and take off the HVT cover. HVT cover Fig. 2-525 November 2003 © TOSHIBA TEC 2 - 31 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 04/05...
Page 50 [C] System control PC board case (SYS board case) (1) Take off the SYS board lower cover Chapter 2.5.2 [B]). (2) Disconnect 5 connectors. Fig. 2-529 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 32 November 2003 © TOSHIBA TEC 05/03...
Page 51 Then take off the NIC board. NIC board Fig. 2-532 (4) Remove 9 screws, release 1 lock support. Then SYS board take off the SYS board. Fig. 2-533 November 2003 © TOSHIBA TEC 2 - 33 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 04/05...
Page 52 Chapter 2.5.2 [E]). (2) Disconnect 8 connectors, remove 2 screws, release 2 lock supports (white arrow) and take off the high-voltage transformer. High-voltage transformer Fig. 2-537 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 34 November 2003 © TOSHIBA TEC 04/05...
Page 53 (3) Disconnect 3 connectors and release 4 lock supports (white arrow) to take off the fuse board. Note: FUS board is not included for MJD and NAD. Fuse board Fig. 2-540 November 2003 © TOSHIBA TEC 2 - 35 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 04/05...
Page 54: Options
(1) Turn OFF the power and unplug the power cable. (2) Take off the connector cover. Fig. 2-542 (3) Disconnect the connector. Fig. 2-543 (4) Remove 2 screws on the rear side. Fig. 2-544 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 36 November 2003 © TOSHIBA TEC...
Page 55 RADF, tighten the screw which installs the damper holding bracket of the scanner at the following positions. Installing the RADF: Installing the platen cover: B Fig. 2-548 November 2003 © TOSHIBA TEC 2 - 37 e-STUDIO3511/4511 OUTLINE OF THE MACHINE...
Page 56 (4) Remove 2 screws and take off 2 fixing brackets on the rear side. Fig. 2-551 (5) Take off the lower drawer of the equipment and PFP upper drawer. Fig. 2-552 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 38 November 2003 © TOSHIBA TEC...
Page 57 (3) Remove 1 screw and the ground wire, and then disconnect 2 connectors (3 if the optional damp Connector of optional heater is installed). damp heater Fig. 2-556 November 2003 © TOSHIBA TEC 2 - 39 e-STUDIO3511/4511 OUTLINE OF THE MACHINE...
Page 58 (5) Take off the lower drawer of the equipment. Fig. 2-558 (6) Pull out the LCF drawer. Fig. 2-559 (7) Remove 4 screws and take off 2 fixing brackets on the front side. Fig. 2-560 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 40 November 2003 © TOSHIBA TEC...
Page 59 Fig. 2-563 (4) Remove 2 screws and take off the safety bracket on the front side and the cover. Fig. 2-564 November 2003 © TOSHIBA TEC 2 - 41 e-STUDIO3511/4511 OUTLINE OF THE MACHINE...
Page 60 (2) Take off the connector cover and disconnect the connector. Fig. 2-567 (3) Remove 2 screws and take off the cover on the rear side. Fig. 2-568 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 42 November 2003 © TOSHIBA TEC...
Page 61 (4) Remove 2 screws and take off the cover on the front side. Fig. 2-569 (5) Remove 2 screws. Fig. 2-570 (6) Lift up the finisher and take it off. Fig. 2-571 November 2003 © TOSHIBA TEC 2 - 43 e-STUDIO3511/4511 OUTLINE OF THE MACHINE...
Page 62 (3) Remove 1 screw and take off the finisher lower cover. Fig. 2-573 (4) Remove 3 screws and take off the finisher front cover. Fig. 2-574 (5) Remove 1 screw. Fig. 2-575 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 44 November 2003 © TOSHIBA TEC...
Page 63 Fig. 2-578 [F] MJ-1024 (Console finisher) (1) Turn OFF the power and unplug the power cable. (2) Take off the connector cover and disconnect the connector. Fig. 2-579 November 2003 © TOSHIBA TEC 2 - 45 e-STUDIO3511/4511 OUTLINE OF THE MACHINE...
Page 64 (5) Remove 1 screw. Fig. 2-582 (6) Take off the finisher. Note: Be careful not to fell the finisher when moving the finisher unit only. Fig. 2-583 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 46 November 2003 © TOSHIBA TEC...
Page 65 (3) Open the front cover of the hole punch unit and remove 1 screw. Fig. 2-585 (4) Take off the cover of the punch unit lower side. Fig. 2-586 (5) Remove 1 screw. Fig. 2-587 November 2003 © TOSHIBA TEC 2 - 47 e-STUDIO3511/4511 OUTLINE OF THE MACHINE...
Page 66 (8) Take off the finisher with the hole punch unit. Note: Be careful not to fell the finisher when moving the finisher unit only. Fig. 2-590 (9) Disconnect 2 connectors. Fig. 2-591 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 48 November 2003 © TOSHIBA TEC...
Page 67 (1) Turn OFF the power and unplug the power cable. (2) Remove 2 screws and take off the cover. Fig. 2-594 (3) Disconnect 1 connector. Fig. 2-595 November 2003 © TOSHIBA TEC 2 - 49 e-STUDIO3511/4511 OUTLINE OF THE MACHINE...
Page 68 (6) Remove 4 screws and take off the bracket. Fig. 2-598 (7) Lift up the bridge unit and release the hook. Take off the bridge unit toward the front. Fig. 2-599 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 50 November 2003 © TOSHIBA TEC...
Page 69: Copy Process
(K→ C→ M→ Y) on the transfer belt are transferred onto paper. 1st transfer roller Transfer belt Fuser unit 2nd transfer roller Black developer Color developer unit Main charger unit Laser optical unit Photoconductive drum Fig. 3-102 November 2003 © TOSHIBA TEC 3 - 1 e-STUDIO3511/4511 COPY PROCESS...
Page 70: General Description Of Copying Process
5. Development: Negatively-charged toner is 10. Discharging: Eliminates the residual (–) made to adhere to the photoconductive drum, charge from the surface of the producing a visible image. photoconductive drum. ↓ e-STUDIO3511/4511 COPY PROCESS 3 - 2 November 2003 © TOSHIBA TEC 04/01...
Page 71: Details Of Copying Process
The surface potential on the drum is determined by the grid potential and is controlled to a fixed value High-voltage Grid control circuit transformer by the grid control circuit. Fig. 3-303 November 2003 © TOSHIBA TEC 3 - 3 e-STUDIO3511/4511 COPY PROCESS...
Page 72 Polygonal mirror signals (laser emission) by the semiconductor laser element, which are then used to expose the drum surface, thus forming an electrostatic latent image Drum there. Fig. 3-305 e-STUDIO3511/4511 COPY PROCESS 3 - 4 November 2003 © TOSHIBA TEC...
Page 73 Image is developed by toner - 300V When the (–) potential of the photoconductive drum is lower than the developer bias. - 200V - 100V Fig. 3-308 November 2003 © TOSHIBA TEC 3 - 5 e-STUDIO3511/4511 COPY PROCESS 04/01...
Page 74 This is caused by the lines of magnetic force Magnetic roller between the south and north poles. Fig. 3-311 e-STUDIO3511/4511 COPY PROCESS 3 - 6 November 2003 © TOSHIBA TEC...
Page 75 2nd transfer roller and the transfer belt drive roller, which generates a paper polarization and thus the toner is transferred from the belt to the paper. Fig. 3-314 November 2003 © TOSHIBA TEC 3 - 7 e-STUDIO3511/4511 COPY PROCESS...
Page 76 (+) charge applied at the transfer process. ± 800V Elimina- Transfer Discharge Charging tion of transfer charge Fig. 3-316 e-STUDIO3511/4511 COPY PROCESS 3 - 8 November 2003 © TOSHIBA TEC...
Page 77 (However, (+) charge is eliminated by Fig. 3-318 the conductive blade as mentioned in (8)). Preparation for the next copying process is completed. November 2003 © TOSHIBA TEC 3 - 9 e-STUDIO3511/4511 COPY PROCESS...
Page 78: List Of Copying Process Conditions
(1) 1st transfer: Transfer belt method (2) 2nd transfer: Transfer roller method 7. Separation Separation by electrostatic attrac- Self-separation by transfer belt and tion of the transfer belt 2nd transfer roller e-STUDIO3511/4511 COPY PROCESS 3 - 10 November 2003 © TOSHIBA TEC...
Page 79 (3) Heat roller temperature (3) ON/OFF control by thermistor (3) ON/OFF control and power (upper/lower roller independent control by thermistor temperature control) (4) Heater (4) Halogen lamp (4) IH coil November 2003 © TOSHIBA TEC 3 - 11 e-STUDIO3511/4511 COPY PROCESS...
Page 81: General Operation
(3) When the temperature of the fuser belt surface becomes sufficient for fusing, • “READY” is displayed. *1: Image quality control should be performed only at change of environment or periodical performing timing. November 2003 © TOSHIBA TEC 4 - 1 e-STUDIO3511/4511 GENERAL OPERATION...
Page 82: Ready (Ready For Copying)
• Transfer belt cleaner auger motor turned ON - Transfer belt used toner auger is driven • Main charger and 1st transfer bias turned ON • Transfer belt marker detection e-STUDIO3511/4511 GENERAL OPERATION 4 - 2 November 2003 © TOSHIBA TEC...
Page 83 - The image on the transfer belt is transferred to the paper • Transfer belt cleaner clutch and transfer belt cleaner auger motor turned ON • 2nd transfer roller contact clutch and 2nd transfer bias turned OFF November 2003 © TOSHIBA TEC 4 - 3 e-STUDIO3511/4511 GENERAL OPERATION...
Page 84 • Drum, fuser unit and developer unit are stopped Fans return to rotate at the normal rotation speed • “READY” is displayed and the equipment enters into ready mode e-STUDIO3511/4511 GENERAL OPERATION 4 - 4 November 2003 © TOSHIBA TEC 04/05...
Page 85 2nd transfer bias 2460 3535 4100 7190 Transport motor 9020 Upper drawer feed clutch Upper drawer feed 4610 sensor Registration sensor 4905 Registration clutch 3915 4970 4975 Exit sensor 6025 5ms/ck November 2003 © TOSHIBA TEC 4 - 5 e-STUDIO3511/4511 GENERAL OPERATION...
Page 86: Bypass Feed Copying
• LED “INTERRUPT” is turned OFF by pressing the [INTERRUPT] button, and the 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. e-STUDIO3511/4511 GENERAL OPERATION 4 - 6 November 2003 © TOSHIBA TEC...
Page 87: Detection Of Abnormality
[In case of the equipment, PFP or LCF drawers] (When drawer is installed) Based on the combination of the tray-up motor movement and the status of tray-up sensor and empty sensor, CPU detects the presence of paper. November 2003 © TOSHIBA TEC 4 - 7 e-STUDIO3511/4511 GENERAL OPERATION...
Page 88 • 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 illustration blinks. (When the drawer is selected) ↓ The copying operation is stopped. e-STUDIO3511/4511 GENERAL OPERATION 4 - 8 November 2003 © TOSHIBA TEC...
Page 89 If the exit sensor is not turned ON after Approx 1.2 sec. approx 1.2 seconds, ↓ Paper jam (E010) Paper jam (E010) → The copying operation is Fig. 4-301 stopped. November 2003 © TOSHIBA TEC 4 - 9 e-STUDIO3511/4511 GENERAL OPERATION...
Page 90 The registration sensor is not turned ON in a fixed period of time after the feed clutch is turned ↓ Paper jam (E220, E310, E320, E340 to E360, E3D0 and E3E0: Error code defers depending on the paper source.) e-STUDIO3511/4511 GENERAL OPERATION 4 - 10 November 2003 © TOSHIBA TEC...
Page 91 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. November 2003 © TOSHIBA TEC 4 - 11 e-STUDIO3511/4511 GENERAL OPERATION...
Page 92: Flow Chart
"CEA0" Lower drawer feed sensor ON? Revolver initialization finished? Paper jam Performs image "E030" quality control Image quality control finished propery? Call for service "CE10" "CE20" "CE40" "CE50" "CE90" e-STUDIO3511/4511 GENERAL OPERATION 4 - 12 November 2003 © TOSHIBA TEC...
Page 93 Tray-up motor OFF "C440" Call for service IH coil broken? IH coil OFF Polygonal motor condition Call for service "CA10" abnormal? READY "C470" "C480" IH error? Call for service "C490" November 2003 © TOSHIBA TEC 4 - 13 e-STUDIO3511/4511 GENERAL OPERATION...
Page 94: Automatic Feed Copying
Exit sensor check leading edge? Paper jam "E010" Exit sensor check trailing edge? Paper jam "E020" Main motor OFF Transport motor OFF Developer motor OFF Exit motor OFF READY e-STUDIO3511/4511 GENERAL OPERATION 4 - 14 November 2003 © TOSHIBA TEC...
Page 95 Drum cleaner brush OFF Color developer bias (AC) ON Discharge LED OFF Color developer drive clutch ON Cleaning blade bias OFF Color developer bias (-) ON Processing system control completed November 2003 © TOSHIBA TEC 4 - 15 e-STUDIO3511/4511 GENERAL OPERATION 04/05...
Page 96 Main charger OFF 2nd transfer roller contact clutch OFF 2nd transfer bias OFF Transfer belt cleaner clutch OFF Transfer belt cleaner auger motor OFF 1st transfer bias OFF e-STUDIO3511/4511 GENERAL OPERATION 4 - 16 November 2003 © TOSHIBA TEC 04/05...
Page 97: Control Panel
This equipment has a movable control panel which enables to adjust its angle to the operator. It also has improved its operatability and visibility with the enlarged LCD panel. [Control Panel Outside View] Fig. 5-101 November 2003 © TOSHIBA TEC 5 - 1 e-STUDIO3511/4511 CONTROL PANEL...
Page 98: Items Shown On The Display Panel
5.2 Items Shown on the Display Panel Fig. 5-201 Fig. 5-202 e-STUDIO3511/4511 CONTROL PANEL 5 - 2 November 2003 © TOSHIBA TEC...
Page 99: Display
READY Punching dust box is full Resumes printing by removing (HOLE PUNCH - Scanning is enabled punching dust from the dust box DUST BIN IS FULL) November 2003 © TOSHIBA TEC 5 - 3 e-STUDIO3511/4511 CONTROL PANEL...
Page 100 Displayed when the selected paper size is TO CORRECT not in the drawer PAPER SIZE Change drawer to Displayed when the selected media type is correct media type not in the drawer e-STUDIO3511/4511 CONTROL PANEL 5 - 4 November 2003 © TOSHIBA TEC...
Page 101 Trouble in the stapler unit in finisher Check staple No stapler in finisher section cartridge Check staple cartridge No stapler in saddle stitch unit in the saddle stitch unit November 2003 © TOSHIBA TEC 5 - 5 e-STUDIO3511/4511 CONTROL PANEL...
Page 102 Displayed when confirming the user to send Displayed only in FAX Function originals exceeds the the FAX data as much as stored at memory- limits. full state Will you send stored originals? e-STUDIO3511/4511 CONTROL PANEL 5 - 6 November 2003 © TOSHIBA TEC...
Page 103 Set standard size Displayed when the paper size which is not Reset the paper size acceptable is set (depends on the setting) November 2003 © TOSHIBA TEC 5 - 7 e-STUDIO3511/4511 CONTROL PANEL...
Page 104: Relation Between The Equipment State And Operator's Operation
5.3 Relation between the Equipment State and Operator’s Operation e-STUDIO3511/4511 CONTROL PANEL 5 - 8 November 2003 © TOSHIBA TEC...
Page 105: Description Of Operation
LSI, frame, printed circuit board, and lateral type CCFL backlight. * STN: Super Twisted Nematic * CCFL:Cold Cathod Fluorescent Lamp (2) Block diagram XSCL LCDEN LCD PANEL 640 x 240 DOTS Power supply Fig. 5-402 November 2003 © TOSHIBA TEC 5 - 9 e-STUDIO3511/4511 CONTROL PANEL...
Page 106 LED scan signal LED serial output LED driver Buzzer ON signal Buzzer Fig. 5-403 (4) Data Transmission 1/tF 1/tF FRAME LOAD FRAME LOAD CP x(640/4) pulses D0-D3 Fig. 5-404 e-STUDIO3511/4511 CONTROL PANEL 5 - 10 November 2003 © TOSHIBA TEC...
Page 107: 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. November 2003 © TOSHIBA TEC 5 - 11 e-STUDIO3511/4511 CONTROL PANEL...
Page 108: Disassembly And Replacement
(3) Remove 2 screws and take off 2 harness clamps. Fig. 5-503 (4) Lower the control panel and remove 6 screws. (5) Take off the control panel unit while sliding it. Fig. 5-504 e-STUDIO3511/4511 CONTROL PANEL 5 - 12 November 2003 © TOSHIBA TEC...
Page 109 Fig. 5-506 (8) Disconnect 5 connectors and 1 harness clamp, take off the DSP board. Fig. 5-507 (9) Remove 4 screws and take off the LCD. Fig. 5-508 November 2003 © TOSHIBA TEC 5 - 13 e-STUDIO3511/4511 CONTROL PANEL...
Page 110 (10) Remove 16 screws and take off the KEY board. Fig. 5-509 e-STUDIO3511/4511 CONTROL PANEL 5 - 14 November 2003 © TOSHIBA TEC...
Page 111: Scanner
Blue). These lines are composed with 3-line color devices and black-and-white device with no filter. Reflector Lens Original glass Exposure lamp Drive pulley Rail for carriage-2 Rail for carriage-1 Carriage-2 SLG board Carriage-1 CCD board Fig. 6-101 November 2003 © TOSHIBA TEC 6 - 1 e-STUDIO3511/4511 SCANNER...
Page 112: Construction
This is a plate to efficiently direct the light from the exposure lamp to the surface of the original on the glass. d. Mirror-1 This mirror directs the light reflected from the original to the mirror-2 described later. Original Original glass Exposure lamp Lamp inverter Reflector Mirror-1 Fig. 6-202 e-STUDIO3511/4511 SCANNER 6 - 2 November 2003 © TOSHIBA TEC...
Page 113 (6) Automatic original detection sensor The size of an original placed on the glass is instantly detected using the automatic original detection sensors (APS sensor) fixed on the base frame without moving the carriage-1. November 2003 © TOSHIBA TEC 6 - 3 e-STUDIO3511/4511 SCANNER...
Page 114: Description Of Operation
The carriage-1 stays at the shading position during shading correction, and at the scanning position during scanning operation. (c) Scanning velocity The scanning velocity at color modes is reduced to a half of it at the Black Mode. e-STUDIO3511/4511 SCANNER 6 - 4 November 2003 © TOSHIBA TEC...
Page 115: Scanning Drive Circuit
Excitation mode setting ( 2 ) SCNMD2 SMDT0-1 Excitation mode setting ( 1 ) SCNMD1 CWCCW-0 Rotation direction setting SCNDIR H.OFF-0 Cut off output SCNEN MOTRST Reset SCNRST RESET ICE PWA-F-SLG PWA-F-SDV-350 Fig. 6-302 November 2003 © TOSHIBA TEC 6 - 5 e-STUDIO3511/4511 SCANNER...
Page 116 Internal circuit of the driver is initialized by setting the motor to “L” Reset RESET Input level. The motor drive circuit is automatically reset when the power is turned ON. e-STUDIO3511/4511 SCANNER 6 - 6 November 2003 © TOSHIBA TEC...
Page 117: Initialization At Power-On
Carriage home position Deceleration → Stop data set Deceleration → Stop Moving peak detection position Peak detection Completion of initialization Moving to carriage waiting position Scanning command Fig. 6-303 November 2003 © TOSHIBA TEC 6 - 7 e-STUDIO3511/4511 SCANNER...
Page 118: Control Of Exposure Lamp
(b) Black reference formation - reads the light amount at the regulation position with the exposure lamp lights OFF Shading correction plate Original Exposure lamp (Xenon lamp) Lighting device for xenon lamp (Inverter) PWA-CCD PWA-CCD PWA-SLG Scanner Fig. 6-401 e-STUDIO3511/4511 SCANNER 6 - 8 November 2003 © TOSHIBA TEC...
Page 119: 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. 6-403 November 2003 © TOSHIBA TEC 6 - 9 e-STUDIO3511/4511 SCANNER...
Page 120: Control Circuit For The Exposure Lamp
5V SW ON signal Controls 5VSW by CPU. Normally “L” WDTOUT Watchdog timer signal “L” is output when CPU is out of control LMPEN Exposure lamp enable signal Normally “L” Xenon lamp ON e-STUDIO3511/4511 SCANNER 6 - 10 November 2003 © TOSHIBA TEC...
Page 121: General Description Of Ccd Control
I = k x (W — K) k : Coefficient S : Image data before correction K : Black data (stored in “black” memory) W : White data (stored in “white” memory) November 2003 © TOSHIBA TEC 6 - 11 e-STUDIO3511/4511 SCANNER...
Page 122: Automatic Original Size Detection Circuit
[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 PWA-SLG PWA-SLG Fig. 6-602 Original size detection circuit e-STUDIO3511/4511 SCANNER 6 - 12 November 2003 © TOSHIBA TEC...
Page 123 [A4 Series] APS-R APS-C A5–R B5–R A4–R APS-3 APS-1 APS-2 [LT Series] APS-R APS-C ST–R APS-3 LT–R APS-2 Fig. 6-603 Sensor detection points November 2003 © TOSHIBA TEC 6 - 13 e-STUDIO3511/4511 SCANNER...
Page 124 * When the platen sensor is ON, The latest original size (or no original state) recognized right before the platen sensor is turned ON is retained regardless of the status the APS sensor output signals. e-STUDIO3511/4511 SCANNER 6 - 14 November 2003 © TOSHIBA TEC...
Page 125 The light emitting diode is driven by a pulse having a 130 µsec. cycle and an 8 µsec. ON time. When the phototransistor 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. November 2003 © TOSHIBA TEC 6 - 15 e-STUDIO3511/4511 SCANNER...
Page 126: Disassembly And Replacement
[C] SLG board cooling fan (1) Take off the lens cover ( Chapter 6.7 [B]). (2) Disconnect 1 connector, remove 2 screws and take off the SLG board cooling fan. Fig. 6-704 e-STUDIO3511/4511 SCANNER 6 - 16 November 2003 © TOSHIBA TEC...
Page 127 Connector Fig. 6-706 (4) Remove 1 screw. (5) Lift up the front side of the exposure lamp and Exposure lamp take off by sliding it. Fig. 6-707 November 2003 © TOSHIBA TEC 6 - 17 e-STUDIO3511/4511 SCANNER...
Page 128 Connector (1) Take off the upper rear cover ( Chapter 2.5.1 [Q]). (2) Take off the rear cover ( Chapter 2.5.1 [P]). (3) Disconnect 1 connector. Scan motor Fig. 6-711 e-STUDIO3511/4511 SCANNER 6 - 18 November 2003 © TOSHIBA TEC...
Page 129 (2) Move the carriage and position the holes of the carriage to the holes of the frame. (3) Remove 2 screws and take off the brackets fixing the carriage-1 to the wire. Carriage-1 Fig. 6-714 November 2003 © TOSHIBA TEC 6 - 19 e-STUDIO3511/4511 SCANNER 04/05...
Page 130 (B), push it to the end and fix securely. 2. Refer to the Service Handbook for more details. Fig. 6-717 (6) Remove 2 screws and take off the inverter board. Inverter board Mirror-1 Fig. 6-718 e-STUDIO3511/4511 SCANNER 6 - 20 November 2003 © TOSHIBA TEC...
Page 131 (A). Then move it to the direction (B), push it to the end and fix securely. 2. Refer to the Service Handbook for more details. Fig. 6-722 November 2003 © TOSHIBA TEC 6 - 21 e-STUDIO3511/4511 SCANNER...
Page 132 [K] Scanning section control PC board (SLG board) (1) Take off the lens cover ( Chapter 6.7 [B]). (2) Disconnect 7 connectors, remove 6 screws and take off the SLG board. SLG board Fig. 6-724 e-STUDIO3511/4511 SCANNER 6 - 22 November 2003 © TOSHIBA TEC...
Page 133: Image Processing
Scanner high quality image processing, printer high quality image processing, black over print, pure black/pure gray, chroma adjustment and brightness adjustment Smoothing processing, image area control and laser related control LGC board (PWA-F-LGC-350) November 2003 © TOSHIBA TEC 7 - 1 e-STUDIO3511/4511 IMAGE PROCESSING...
Page 134 Images are processed by the SYS board (PWA-F-SYS-350) and LGC board (PWA-F-LGC-350) in this equipment. Also, the image signals read with the Scanning Function and the printer image signals are processed in the SYS board. e-STUDIO3511/4511 IMAGE PROCESSING 7 - 2 November 2003 © TOSHIBA TEC...
Page 135: Configuration
Page memory control Printer high quality image processing LGC board (PWA-F-LGC-350) ASIC : Image data flow Laser related control Smoothing processing LDR board (PWA-F-LDR-350) ASIC Laser drive Fig. 7-201 November 2003 © TOSHIBA TEC 7 - 3 e-STUDIO3511/4511 IMAGE PROCESSING...
Page 136: Sys Board (Pwa-F-Sys-350)
• Scanner high quality image processing • Printer high quality image processing • Black over print (Post Script) • Pure black / Pure gray (Post Script) • Chroma adjustment (PCL5C) • Brightness adjustment (PCL5C) e-STUDIO3511/4511 IMAGE PROCESSING 7 - 4 November 2003 © TOSHIBA TEC...
Page 137: Functions Of Image Processing Circuit
If they are determined to be text, they are further judged whether they are black or color text, using the differences in the levels of CMY signals. November 2003 © TOSHIBA TEC 7 - 5...
Page 138 Solid black area Low contrast area Original Image signal After correction Fig. 7-303 e-STUDIO3511/4511 IMAGE PROCESSING 7 - 6 November 2003 © TOSHIBA TEC...
Page 139 Using rectangular area signals, the image signals inside the rectangular area are left and the other image signals are eliminated. (b) Masking Using rectangular area signals, the image data inside the rectangular area are erased. November 2003 © TOSHIBA TEC 7 - 7 e-STUDIO3511/4511 IMAGE PROCESSING...
Page 140 Ideal image Out of color registration Black over print Black data Black data Black data Paper Paper Background Paper Background Background Fig. 7-305 e-STUDIO3511/4511 IMAGE PROCESSING 7 - 8 November 2003 © TOSHIBA TEC...
Page 141 4 color toner. The gray text/graphics are also printed out with black toner only. (15) Chroma adjustment (PCL5C) This function adjusts chromaticness of the printer data. (16) Brightness adjustment (PCL5C) This function adjusts brightness of the printer data. November 2003 © TOSHIBA TEC 7 - 9 e-STUDIO3511/4511 IMAGE PROCESSING...
Page 142: Lgc Board (Pwa-F-Lgc-350)
(2) Horizontal synchronization signal (HSYNC) ..• Reference clock signal in the printer section clock generation section synchronized with HSYNC and its signal. (3) Laser drive section ........... • ON/OFF control of the semiconductive laser and APC (Auto Power Control). e-STUDIO3511/4511 IMAGE PROCESSING 7 - 10 November 2003 © TOSHIBA TEC...
Page 143: General Description
The unit must not be disassembled in the field as they are very sensitive to dust and finely adjusted at the factory. [Laser Optical Unit Overview] Fig. 8-101 November 2003 © TOSHIBA TEC 8 - 1 e-STUDIO3511/4511 LASER OPTICAL UNIT...
Page 144 (for outgoing laser beam) Mirror Cylinder lens SNS board LDR board fθ lens 2 Aperture fθ lens 1 Polygonal motor Finite focus lens [Writing Section Overview] Fig. 8-102 e-STUDIO3511/4511 LASER OPTICAL UNIT 8 - 2 November 2003 © TOSHIBA TEC...
Page 145: Structure
The warning label shown below is attached on the left side of the upper inner cover. Fig. 8-201 [CAUTION] • Do not approach tools near the path of the laser beam. • Take off your watches, rings, bracelets, etc. before handling the unit. November 2003 © TOSHIBA TEC 8 - 3 e-STUDIO3511/4511 LASER OPTICAL UNIT...
Page 146 One scan is completed by completion of steps (A) to (C). heat. One scan is performed on one plane of the polygonal- mirror. Eight scans can be made with one rotation of the polygonal mirror. e-STUDIO3511/4511 LASER OPTICAL UNIT 8 - 4 November 2003 © TOSHIBA TEC...
Page 147 H-Sync detection mirror and enters the PIN diode on the H-Sync signal detection PC board. The primary scanning synchronizing signal is generated based on this reflection. November 2003 © TOSHIBA TEC 8 - 5 e-STUDIO3511/4511 LASER OPTICAL UNIT...
Page 148 Laser ON/OFF function (6) Slit glass Slit glass is located where the laser beams are output from the laser optical unit, and it protects the unit from dust. e-STUDIO3511/4511 LASER OPTICAL UNIT 8 - 6 November 2003 © TOSHIBA TEC...
Page 149: Laser Diode
Laser driver circuit increases the forward current if the laser power is insufficient, and decreases the current when the power is excessive to maintain a constant optical output. November 2003 © TOSHIBA TEC 8 - 7 e-STUDIO3511/4511 LASER OPTICAL UNIT...
Page 150: Laser Unit Cooling Fan
Signal Level “L” Level “H” Remarks POMON Polygonal motor ON/OFF signal POMCK — — Polygonal motor reference clock signal POMPL Normal rotation Abnormal rotation Polygonal motor PLL signal e-STUDIO3511/4511 LASER OPTICAL UNIT 8 - 8 November 2003 © TOSHIBA TEC...
Page 151: Disassembly And Replacement
(7) Pull out 2 harnesses and remove 1 screw. (8) Pull out the laser optical unit while lifting it up and take it off. Harness Laser optical unit Fig. 8-604 November 2003 © TOSHIBA TEC 8 - 9 e-STUDIO3511/4511 LASER OPTICAL UNIT...
Page 152 (3) Remove 2 screws and take off the inner cover. Inner cover Fig. 8-606 (4) Disconnect 1 connector and remove 2 screws. Take off the laser unit cooling fan. Laser unit cooling fan Fig. 8-607 e-STUDIO3511/4511 LASER OPTICAL UNIT 8 - 10 November 2003 © TOSHIBA TEC...
Page 153: Drive System
• Exit motor Exit roller • Toner motor Black toner cartridge • Drum cleaner brush motor Drum cleaner brush • Transfer belt cleaner auger motor Transfer belt cleaner auger November 2003 © TOSHIBA TEC 9 - 1 e-STUDIO3511/4511 DRIVE SYSTEM...
Page 154: Main Motor
The main motor is a brushless DC motor. Main motor gear (G10) (G80/P36) (G100/P20) (P53/G15) (G45/G21) (G16) (P75/P33) (G27/G20) (P27/G33) (G40/G23) (G31) (G27/P33) (G19) Drum cleaner brush motor (P100) Fig. 9-201 e-STUDIO3511/4511 DRIVE SYSTEM 9 - 2 November 2003 © TOSHIBA TEC...
Page 155: Drive Circuit Of Main Motor
The speed is lowered to the range from 1/2 to 1/4 at the Thick Paper/OHP Film Mode. This switching is performed between the completion of the 1st transfer and that of the 2nd transfer. November 2003 © TOSHIBA TEC 9 - 3 e-STUDIO3511/4511 DRIVE SYSTEM...
Page 156: Transport Motor
(G30) (G28/G17) (G30) (G10) (G22) Registration clutch (G28) (G28) (G32/G35) (G25/34) (G28) (G25) Upper transport clutch (High speed) (G28) (G27) (G31/G38) Upper transport clutch (Low speed) (G28) Fig. 9-301 e-STUDIO3511/4511 DRIVE SYSTEM 9 - 4 November 2003 © TOSHIBA TEC...
Page 157: Drive Circuit Of Transport Motor
Transport motor reference clock signal FDMPL Out of control Normal Transport motor PLL signal * FDMCW (rotational direction signal): The motor does not rotate backward (CCW) in actual movement. November 2003 © TOSHIBA TEC 9 - 5 e-STUDIO3511/4511 DRIVE SYSTEM...
Page 158: Developer Motor
( G/33/G16 ) ( G48 ) ( G17 ) ( B ) Black developer drive clutch (G28) ( A ) Black developer lifting clutch ( G28 ) Fig. 9-401 e-STUDIO3511/4511 DRIVE SYSTEM 9 - 6 November 2003 © TOSHIBA TEC...
Page 159: Drive Circuit Of Developer Motor
Remarks DVMON Developer motor ON signal DVMCW Developer motor rotational direction signal DVMCK — — Developer motor reference clock signal DVMPL Normal Out of control Developer motor PLL signal November 2003 © TOSHIBA TEC 9 - 7 e-STUDIO3511/4511 DRIVE SYSTEM...
Page 160: Disassembly And Replacement
(6) Disconnect 3 connectors and remove 5 screws. Release the harnesses from 3 harness clamps. Take off the developer motor drive unit. Developer motor drive unit Connector Fig. 9-504 e-STUDIO3511/4511 DRIVE SYSTEM 9 - 8 November 2003 © TOSHIBA TEC 04/05...
Page 161 Harness clamp (1) Remove 3 screws, 2 clips, 2 bushing, release the harness from 3 harness clamps and take off the bracket. Harness clamp Bracket Fig. 9-508 November 2003 © TOSHIBA TEC 9 - 9 e-STUDIO3511/4511 DRIVE SYSTEM...
Page 162 (5) Take off the ozone exhaust fan with the whole cover ( Chapter 11.7 [J]). (6) Remove 2 screws and take off the ozone exhaust duct. (7) Remove 2 screws and take off the bracket. e-STUDIO3511/4511 DRIVE SYSTEM 9 - 10 November 2003 © TOSHIBA TEC...
Page 163 Fixing cover Fig. 9-514 2. When the registration clutch is reassembled, assemble by keeping the end of the shaft match with the end of the clutch. Fig. 9-515 November 2003 © TOSHIBA TEC 9 - 11 e-STUDIO3511/4511 DRIVE SYSTEM...
Page 164 Transport motor (low speed). Upper transport clutch (Low speed) Fig. 9-518 (17) Remove 9 screws and take off the cover of transport gear drive unit. Cover Fig. 9-519 e-STUDIO3511/4511 DRIVE SYSTEM 9 - 12 November 2003 © TOSHIBA TEC...
Page 165 Main motor Note: When taking off only the main motor, it can be taken off by removing the LGC board and SYS board with the whole case. Fig. 9-522 November 2003 © TOSHIBA TEC 9 - 13 e-STUDIO3511/4511 DRIVE SYSTEM...
Page 166 Gear C Clip B Fig. 9-525 (13) Remove 8 screws (denoted with the white arrows are the plastic screws) and take off the plate cover. Plate cover Fig. 9-526 e-STUDIO3511/4511 DRIVE SYSTEM 9 - 14 November 2003 © TOSHIBA TEC...
Page 167 3. Rotate the rotor section of the motor for Fig. 9-527 several times by hand to shake down the belt while the belt is tense. Then screw the belt tensioner. November 2003 © TOSHIBA TEC 9 - 15 e-STUDIO3511/4511 DRIVE SYSTEM...
Page 169: Paper Feeding System
Paper transported from the transport roller is pushed against the registration roller which aligns the leading edge of the paper. Then, the registration rollers rotate to transport the paper to the transfer unit. November 2003 © TOSHIBA TEC 10 - 1 e-STUDIO3511/4511 PAPER FEEDING SYSTEM...
Page 170 (10) Registration sensor This sensor detects that the leading edge of the paper has reached the registration roller and the trailing edge of the paper has passed the registration roller. e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 2 November 2003 © TOSHIBA TEC...
Page 171 Registration roller (metal roller) Upper drawer pickup roller Upper drawer feed sensor Transport roller Lower drawer feed sensor Lower drawer feed roller Bypass feed sensor Lower drawer separation roller November 2003 © TOSHIBA TEC 10 - 3 e-STUDIO3511/4511 PAPER FEEDING SYSTEM...
Page 172 Paper Feeding Section Drive System (Rear side) Fig. 10-102 Name Lower transport clutch (Low speed) Lower transport feed clutch (High speed) Upper drawer feed clutch Lower drawer feed clutch e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 4 November 2003 © TOSHIBA TEC...
Page 173: Description Of Operation
The roller is rotated by this driving force. Bypass pickup solenoid Spring Pickup roller Lever Pickup arm Fig. 10-201 November 2003 © TOSHIBA TEC 10 - 5 e-STUDIO3511/4511 PAPER FEEDING SYSTEM...
Page 174: Operation Of Drawer Pickup Roller
When the drawer is inserted, the protrusion at the rear side of the drawer moves up the lever (a) to the direction of A. The pickup roller and roller holder are then lowered by it's own weight. Insertion direction Lever (a) Pickup roller Fig. 10-202 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 6 November 2003 © TOSHIBA TEC...
Page 175: Separation Of Paper
A is transported to the direction of the arrow ) and the paper B is braked by the separation roller and is not transported any further. Feed roller Separation roller Fig. 10-204 November 2003 © TOSHIBA TEC 10 - 7 e-STUDIO3511/4511 PAPER FEEDING SYSTEM...
Page 176: General Operation
• The bypass feed clutch is turned OFF, and then the bypass pickup roller, bypass feed roller and bypass transport roller are stopped. • The registration clutch is turned ON and the paper is transported to the transfer unit. e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 8 November 2003 © TOSHIBA TEC...
Page 177 • The feed clutch and the transport clutch (high speed) is turned OFF and the transport roller is stopped. • The registration clutch and transport clutch (low speed) are turned ON and the paper is transported to the transfer unit. November 2003 © TOSHIBA TEC 10 - 9 e-STUDIO3511/4511 PAPER FEEDING SYSTEM...
Page 178: Drive Circuit Of Tray-Up Motor
IN1 and IN2 are input terminals to receive the signals from the microcomputer. The control logic, based on the signals from the microcomputer, controls ON/OFF of the motor rotation direction. Input Output Remarks M (+) M (–) BRAKE OFF (high impedance) STOP e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 10 November 2003 © TOSHIBA TEC...
Page 179: Disassembly And Replacement
Note: When installing the bypass unit, make sure that the ADU is closed in advance since the bypass unit occasionally does not slide smoothly. Fig. 10-404 November 2003 © TOSHIBA TEC 10 - 11 e-STUDIO3511/4511 PAPER FEEDING SYSTEM...
Page 180 (5) Remove 1 screw and the plate spring. (6) Remove 1 screw (indicated with a white arrow) from the back side, then take off the bracket. Bracket Plate spring Fig. 10-408 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 12 November 2003 © TOSHIBA TEC...
Page 181 Bypass transport roller Fig. 10-411 (A-4) Bypass pickup roller (1) Remove 1 screw and take off the bypass feed cover by sliding it. Bypass feed cover Fig. 10-412 November 2003 © TOSHIBA TEC 10 - 13 e-STUDIO3511/4511 PAPER FEEDING SYSTEM...
Page 182 Spring Connector Fig. 10-415 (A-6) Bypass paper sensor Bypass paper sensor (1) Disconnect 1 connector. Then release the latches and take off the bypass paper sensor. Fig. 10-416 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 14 November 2003 © TOSHIBA TEC...
Page 183 (2) Take off the bypass separation roller. Bypass separation roller Note: Lubricate the bypass separation roller on every replacement. Refer to the Service Handbook for more details. Fig. 10-420 November 2003 © TOSHIBA TEC 10 - 15 e-STUDIO3511/4511 PAPER FEEDING SYSTEM...
Page 184 (2) Take off the ADU ( Chapter 17.5 [A]). (3) Take off the 2nd transfer unit ( Chapter 14.7 [K]). (4) Remove 5 screws and take off the stay. Fig. 10-424 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 16 November 2003 © TOSHIBA TEC...
Page 185 (1) Remove 1 clip and take off the knob. Fig. 10-427 (2) Remove 3 screws. Rotate the guide to take it off by releasing the harness from the harness clamp. Guide Fig. 10-428 November 2003 © TOSHIBA TEC 10 - 17 e-STUDIO3511/4511 PAPER FEEDING SYSTEM...
Page 186 Note that the spring on the rear side has a black marking. So Spring (6) when installing, be careful not to mix them Registration roller (metal roller) Fig. 10-432 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 18 November 2003 © TOSHIBA TEC...
Page 187 Note: Attach the clutch to the shaft referring to the figure at right. 0.2-0.5mm Fig. 10-435 (E-3) Separation roller Separation roller (1) Remove 1 screw and take off the separation roller holder. Fig. 10-436 November 2003 © TOSHIBA TEC 10 - 19 e-STUDIO3511/4511 PAPER FEEDING SYSTEM...
Page 188 One-way clutch (E-4) Pickup roller (1) Take off the pickup roller from the pickup arm and remove the belt. Belt Pickup arm Pickup roller Pickup arm Fig. 10-440 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 20 November 2003 © TOSHIBA TEC...
Page 189 Fig. 10-443 (E-7) Drawer paper stock sensor (1) Disconnect 1 connector. (2) Release the latches and take off the drawer paper stock sensor. Drawer paper stock sensor Fig. 10-444 November 2003 © TOSHIBA TEC 10 - 21 e-STUDIO3511/4511 PAPER FEEDING SYSTEM...
Page 190 (5) Take off the tray-up motor. Note: When assembling the tray drive unit, match the gear bosses with the holes of the cover. Bosses Tray-up motor Fig. 10-448 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 22 November 2003 © TOSHIBA TEC 04/05...
Page 191 Note: When taking off the registration guide, pay attention not to drop the removed paper dust from the brush into the inside of the Registration guide equipment. Fig. 10-452 November 2003 © TOSHIBA TEC 10 - 23 e-STUDIO3511/4511 PAPER FEEDING SYSTEM...
Page 192 (3) Clean the paper dust removal brush attached on the middle guide. Middle guide Fig. 10-455 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 24 November 2003 © TOSHIBA TEC...
Page 193: Drum Related Section
Drum cleaner brush Toner bag full detection sensor-1 Toner recovery auger Cleaning blade Discharge LED Drum Main charger Automatic wire cleaning drive unit Ozone exhaust duct Drum thermistor Fig. 11-101 November 2003 © TOSHIBA TEC 11 - 1 e-STUDIO3511/4511 DRUM RELATED SECTION...
Page 194: Functions
This auger carries the residual toner scraped off to the toner bag. (d) Drum cleaner brush This brush roller prevents the residual toner and foreign matter adhering to the drum surface. e-STUDIO3511/4511 DRUM RELATED SECTION 11 - 2 November 2003 © TOSHIBA TEC...
Page 195 (10) Temperature/humidity sensor This sensor measures the environment inside the equipment. The values of the temperature and humidity detected inside the equipment are output to the LGC board. November 2003 © TOSHIBA TEC 11 - 3 e-STUDIO3511/4511 DRUM RELATED SECTION...
Page 196: Output Control Circuits Of High-Voltage Transformer
Black developer ( DC ) ON array Black developer ( AC ) ON NVRAM Color developer ( DC ) ON Color developer ( AC ) ON Cleaning blade ON Fig. 11-301 e-STUDIO3511/4511 DRUM RELATED SECTION 11 - 4 November 2003 © TOSHIBA TEC...
Page 197: Drum Temperature Detection Circuit
(2) Configuration of the drum temperature detection circuit Temperature/ humidity sensor TEMP Fig. 11-401 November 2003 © TOSHIBA TEC 11 - 5 e-STUDIO3511/4511 DRUM RELATED SECTION...
Page 198: Temperature/Humidity Sensor
This sensor measures the temperature and humidity inside the equipment. 11.5.2 Construction Temperature/humidity control circuit is configured as follows: TEMP/HUMI HUMI TEMP ANSW LGC board TEMP/HUMI-SNR Fig. 11-501 e-STUDIO3511/4511 DRUM RELATED SECTION 11 - 6 November 2003 © TOSHIBA TEC...
Page 199: Charger Wire Cleaner
This switch detects whether the wire cleaner has reached to the rear position or not. When this switch is turned ON, the charger wire cleaner motor rotates normally. Then the wire cleaner shifts to the front position (home position). November 2003 © TOSHIBA TEC 11 - 7 e-STUDIO3511/4511 DRUM RELATED SECTION...
Page 200: Drive Circuit
ENVSNR2-0 Charger wire cleaner is at the rear Charger wire cleaner is at the Charger wire cleaner rear position position other than the rear position detection signal position e-STUDIO3511/4511 DRUM RELATED SECTION 11 - 8 November 2003 © TOSHIBA TEC...
Page 201 Sensor cover Fig. 11-701 (3) Remove 3 screws. Fig. 11-702 (4) Loosen 2 screws. Fig. 11-703 (5) Rotate the lever counterclockwise to screw it again. Lever Fig. 11-704 November 2003 © TOSHIBA TEC 11 - 9 e-STUDIO3511/4511 DRUM RELATED SECTION...
Page 202 In this case, oper- ate the main motor for approx. 1 second in the Test Mode (03-101) to engage the drive gear securely and then install the unit. Fig. 11-707 e-STUDIO3511/4511 DRUM RELATED SECTION 11 - 10 November 2003 © TOSHIBA TEC 04/05...
Page 203 (B-2) Main charger grid (1) Push the terminal head at the front side and remove the grid. Note: Do not touch the mesh area of the grid Fig. 11-710 November 2003 © TOSHIBA TEC 11 - 11 e-STUDIO3511/4511 DRUM RELATED SECTION...
Page 204 (2) Release the latch and remove the wire pad. Latch Fig. 11-713 (3) Remove 1 screw and take off the pad guide. Pad guide Fig. 11-714 e-STUDIO3511/4511 DRUM RELATED SECTION 11 - 12 November 2003 © TOSHIBA TEC...
Page 205: Disassembly And Replacement
5. When replacing the drum, take off the drum shaft bearing from the old drum and install it on the new drum. 6. Check the color deviation after replacing the drum. November 2003 © TOSHIBA TEC 11 - 13 e-STUDIO3511/4511 DRUM RELATED SECTION 04/10...
Page 206 Fig. 11-719 (D-3) Drum cleaner brush (1) Unlock the lever by rotating it and pull it out. Lever Fig. 11-720 (2) Remove the drum cleaner brush. Fig. 11-721 e-STUDIO3511/4511 DRUM RELATED SECTION 11 - 14 November 2003 © TOSHIBA TEC 04/10...
Page 207 (2) Remove 2 screws and lift up the discharge LED unit. Disconnect 2 connectors, then take off the discharge LED unit. Fig. 11-724 (3) Remove the discharge LED. Discharge LED Fig. 11-725 November 2003 © TOSHIBA TEC 11 - 15 e-STUDIO3511/4511 DRUM RELATED SECTION...
Page 208 (F-3) Charger cleaner detection switch (1) Take off the charger cleaner motor unit ( Chapter 11.7 (F-2)). (2) Separate the discharge LED unit into two parts. Fig. 11-729 e-STUDIO3511/4511 DRUM RELATED SECTION 11 - 16 November 2003 © TOSHIBA TEC...
Page 209 Fig. 11-732 (G-2) Toner bag full detection sensor-2 (1) Open the front cover. (2) Release 4 latches and take off the toner bag full detection sensor-2. Fig. 11-733 November 2003 © TOSHIBA TEC 11 - 17 e-STUDIO3511/4511 DRUM RELATED SECTION...
Page 210 (2) Take off the ozone filter ( Chapter 11.7 [I]). (3) Disconnect 1 connector and remove 2 screws. Take off the ozone exhaust fan with the whole cover. Fig. 11-737 e-STUDIO3511/4511 DRUM RELATED SECTION 11 - 18 November 2003 © TOSHIBA TEC...
Page 211 (4) Release 3 latches and take off the cover. Latch Take off the ozone exhaust fan. Fig. 11-738 November 2003 © TOSHIBA TEC 11 - 19 e-STUDIO3511/4511 DRUM RELATED SECTION...
Page 213: Developer Unit
Black auto-toner sensor Black developer unit lifting mechanism Color developer unit Developer material Mixer unit Developer sleeve (magnetic roller) Doctor blade Color developer toner supply auger • Color auto-toner sensor November 2003 © TOSHIBA TEC 12 - 1 e-STUDIO3511/4511 DEVELOPER UNIT...
Page 214: Sectional View
12.3 Sectional View Mixer Color auto-toner sensor Drum Developer sleeve Color developer unit Developer sleeve Black developer unit Mixer Black auto-toner sensor Fig. 12-301 e-STUDIO3511/4511 DEVELOPER UNIT 12 - 2 November 2003 © TOSHIBA TEC...
Page 215: Black Toner Cartridge Drive Unit
KTNA1B Gate array LCA301-2 KTNDET Black toner cartridge Fig. 12-401 Signal level for motor circuit Signal State KTNA1A-0 KTNA1B-0 Level CW (when supplying toner) CCW (detecting cartridge installation) Brake November 2003 © TOSHIBA TEC 12 - 3 e-STUDIO3511/4511 DEVELOPER UNIT...
Page 216: Black Developer Unit
The magnetic bridge circuit in the auto-toner sensor detects the toner ratio in the developer material. This sensor supplies the toner from the toner cartridge. e-STUDIO3511/4511 DEVELOPER UNIT 12 - 4 November 2003 © TOSHIBA TEC...
Page 217: Black Developer Unit Drive Section
ON/OFF of the black developer drive clutch. The drive is connected when it is ON and disconnected when it is OFF. Developer sleeve Doctor blade Mixer-2 Mixer-1 Fig. 12-501 Gear (G21) Gear (G20) Gear (G19) Gear (G19) Gear (G20) Fig. 12-502 November 2003 © TOSHIBA TEC 12 - 5 e-STUDIO3511/4511 DEVELOPER UNIT...
Page 218: Black Auto-Toner Sensor Circuit
• Detection of the toner density in the developer material - density lowered → toner supplied • Detection of the toner being empty in the toner cartridge Black auto-toner sensor DICH1 LDCH1 ATSVR CLKCH1 LCA301-1 ATSDET Fig. 12-503 e-STUDIO3511/4511 DEVELOPER UNIT 12 - 6 November 2003 © TOSHIBA TEC...
Page 219 DC conversion circuit : Converting the high-frequency output from the detection winding to a DC signal Magnetic resistance Auto-toner output Drive Detection conversion Main CPU winding winding circuit (LGC board) (Developer material) Magnetic circuit Fig. 12-504 November 2003 © TOSHIBA TEC 12 - 7 e-STUDIO3511/4511 DEVELOPER UNIT...
Page 220 When the toner density is high: Toner ratio to the carrier in the developer material increases. → Magnetic resistance increases. → Detection output decreases. → Auto-toner output V decreases. e-STUDIO3511/4511 DEVELOPER UNIT 12 - 8 November 2003 © TOSHIBA TEC...
Page 221: Black Developer Unit Lifting Mechanism
ON/OFF of the black developer lifting clutch. “H” is output when releasing and “L” is output when contacting. The sensor controls the power supply to turn OFF the clutch after detecting the output alteration (“L” to “H” or “H” to “L”). November 2003 © TOSHIBA TEC 12 - 9 e-STUDIO3511/4511 DEVELOPER UNIT...
Page 222: Color Developer Unit
The doctor blade controls the amount of the developer material from the transport sleeve so that the magnetic brush of the developer material can contact with the drum surface properly. e-STUDIO3511/4511 DEVELOPER UNIT 12 - 10 November 2003 © TOSHIBA TEC...
Page 223: Color Developer Unit Drive Section
ON and disconnected when it is OFF. The transmitted drive operates the mixers. Developer sleeve Doctor blade Mixer-R Mixer-F Fig. 12-601 Gear (G21) Coupling (G20) Gear (G19) Gear (G18) Gear (G19/G27) Gear (G27) Fig. 12-602 November 2003 © TOSHIBA TEC 12 - 11 e-STUDIO3511/4511 DEVELOPER UNIT...
Page 224: Color Auto-Toner Sensor Circuit
Color developer toner supply clutch LCA301 D/A converter Color auto-toner sensor Shutter driving signal Shutter solenoid OP-AMP Driver Toner density signal PWA-LGC Color developer unit Color toner cartridge Fig. 12-603 e-STUDIO3511/4511 DEVELOPER UNIT 12 - 12 November 2003 © TOSHIBA TEC...
Page 225 → Output of the auto-toner sensor is changed. → Toner density recovers to its normal value. → “Toner-empty” is cleared. (Toner-empty clear function) (3) Operations of the color auto-toner sensor November 2003 © TOSHIBA TEC 12 - 13 e-STUDIO3511/4511 DEVELOPER UNIT 04/05...
Page 226: Color Toner Supply
If the toner density is still lower than the regulated value, it is judged as “toner empty” and the unit moves to the escape position. 5. Procedure 1 to 4 is repeated for other color developer units when the toner supply is needed. e-STUDIO3511/4511 DEVELOPER UNIT 12 - 14 November 2003 © TOSHIBA TEC...
Page 227: High-Voltage Transformer Output Control Circuit
• The developer bias transformer generates output voltage proportional to the control voltage Vc by ON- signed. * Adjustment of the control voltage Vc (change of adjustment data) is performed in the adjustment mode. November 2003 © TOSHIBA TEC 12 - 15 e-STUDIO3511/4511 DEVELOPER UNIT...
Page 228: Disassembly And Replacement
(1) Take off the black developer unit ( Chapter 12.8 (A-1)). (2) Remove 2 screws and take off the upper cover. Upper cover Fig. 12-803 (3) Discharge the developer material. Fig. 12-804 e-STUDIO3511/4511 DEVELOPER UNIT 12 - 16 November 2003 © TOSHIBA TEC...
Page 229 Fig. 12-807 (A-4) Doctor blade (1) Discharge the developer material ( Chapter 12.8 (A-2)). (2) Remove 2 screws and take off the right cover. Right cover Fig. 12-808 November 2003 © TOSHIBA TEC 12 - 17 e-STUDIO3511/4511 DEVELOPER UNIT...
Page 230 (5) Remove 1 screw and take off the bracket. Polarity adjustment plate Fig. 12-811 (6) Remove 3 screws and take off the rear cover. Rear cover Fig. 12-812 e-STUDIO3511/4511 DEVELOPER UNIT 12 - 18 November 2003 © TOSHIBA TEC...
Page 231 (4) Rear side: Remove the following parts installed Gear on the shaft of each mixer in order: E-ring, gear, bearing and oil seal. * Procedure for replacing an oil seal: Page 12-23 E-ring Fig. 12-816 November 2003 © TOSHIBA TEC 12 - 19 e-STUDIO3511/4511 DEVELOPER UNIT...
Page 232 Fig. 12-819 3. When installing the toner holder, be care- ful not to peel the seal. Fig. 12-820 e-STUDIO3511/4511 DEVELOPER UNIT 12 - 20 November 2003 © TOSHIBA TEC 04/01...
Page 233 Note: Before disassembling, record (mark if any) the scale pointed by the polarity adjustment Polarity adjustment plate lever. Then match the polarity adjustment plate at the scale previously recorded when Fig. 12-824 reassembling. November 2003 © TOSHIBA TEC 12 - 21 e-STUDIO3511/4511 DEVELOPER UNIT...
Page 234 Chapter 12.8 (B-3)). (3) Front side: Remove the following parts in order: E-ring, bushing-1 and bushing-2. E-ring * Procedure for replacing an oil seal: Bushing-1 Page 12-23 Fig. 12-828 e-STUDIO3511/4511 DEVELOPER UNIT 12 - 22 November 2003 © TOSHIBA TEC...
Page 235 3. Spread the grease (Alvania No.2; about 2-rice- Oil seal grain’s amount) all around the inside diameter. Note: Wipe off the grease which has run off to the Fig. 12-831 inner side of the oil seal. November 2003 © TOSHIBA TEC 12 - 23 e-STUDIO3511/4511 DEVELOPER UNIT...
Page 236 (4) Remove 1 screw and disconnect 1 connector. Black developer contact position detection sensor Then take off the black developer contact position detection sensor with the whole bracket. Fig. 12-834 e-STUDIO3511/4511 DEVELOPER UNIT 12 - 24 November 2003 © TOSHIBA TEC...
Page 237 Lever belt contact lever. And then, take off the shaft. Clip Fig. 12-836 (12) Remove 2 screws and take off the cleaner Cleaner rail stay rail stay. Fig. 12-837 November 2003 © TOSHIBA TEC 12 - 25 e-STUDIO3511/4511 DEVELOPER UNIT...
Page 238 (17) Remove 1 screw and disconnect 1 connector Black toner from the bracket. Then take off the black toner cartridge switch cartridge switch with the whole bracket. Fig. 12-841 e-STUDIO3511/4511 DEVELOPER UNIT 12 - 26 November 2003 © TOSHIBA TEC...
Page 239 (3) Remove 1 screw and take off the cleaner rail stay. Fig. 12-843 (4) Remove 2 screws and take off the black toner Black toner supply auger unit supply auger unit. Fig. 12-844 November 2003 © TOSHIBA TEC 12 - 27 e-STUDIO3511/4511 DEVELOPER UNIT...
Page 241: Revolver Unit
• Color toner cartridge sensor • Color auto-toner sensor Color auto-toner sensor Revolver motor Color toner cartridge sensor Photoconductive drum Revolver home position sensor Revolver unit [Revolver unit sectional view] Fig. 13-201 November 2003 © TOSHIBA TEC 13 - 1 e-STUDIO3511/4511 REVOLVER UNIT...
Page 242: Functions
This sensor is a transmissive type light sensor detecting the revolver unit home position. The position detection is performed at initialization. "Call for service" if it does not detect the position in a specified period of time. e-STUDIO3511/4511 REVOLVER UNIT 13 - 2 November 2003 © TOSHIBA TEC...
Page 243: Drive Of Revolver Unit
The drive from the revolver motor is transmitted to the gear at the external layer of the revolver unit rear side. Then the revolver unit rotates clockwise. Revolver motor (G15) Revolver unit (G135) Revolver home position sensor Fig. 13-401 November 2003 © TOSHIBA TEC 13 - 3 e-STUDIO3511/4511 REVOLVER UNIT...
Page 244: Revolver Motor Drive Circuit
The revolver motor (two-phase stepping motor) drives over the DRV board circuit. RVMA-0 PG00 RVMA SDK03M RVMB-0 RVMC PG01 RVMC-0 PG02 RVMD-0 PG03 RVMB SDK03M RVMD 2SK2466 x 4 LCA301 Revolver Motor PWA-F-LGC PWA-DRV Fig. 13-501 e-STUDIO3511/4511 REVOLVER UNIT 13 - 4 November 2003 © TOSHIBA TEC...
Page 245: Operation
10. If any of color toner is judged as the low density, the revolver unit supplies the toner. 11. Procedure 2 to 10 is repeated when printing more than 1 page. 12. Printing finishes. Image quality control is performed according to the conditions of the equipment. November 2003 © TOSHIBA TEC 13 - 5 e-STUDIO3511/4511 REVOLVER UNIT...
Page 246: Color Toner Supply
6. The image quality sensor reads the image density of four colors and feedbacks to the image quality control. 7. Procedure 1 to 7 is repeated for one to six times until the specified gradation characteristic and image density are obtained. e-STUDIO3511/4511 REVOLVER UNIT 13 - 6 November 2003 © TOSHIBA TEC...
Page 247: Disassembly And Replacement
Yellow developer unit moves to the replacement position: 03-455 Magenta developer unit moves to the replacement position: 03-456 Cyan developer unit moves to the replacement position: 03-457 November 2003 © TOSHIBA TEC 13 - 7 e-STUDIO3511/4511 REVOLVER UNIT...
Page 248 (1) Take off the receiving tray ( Chapter 2.5.1 [B]). (2) Disconnect 1 connector and remove 1 screw and take off the color toner cartridge sensor with the whole bracket. Fig. 13-705 e-STUDIO3511/4511 REVOLVER UNIT 13 - 8 November 2003 © TOSHIBA TEC...
Page 249 Color auto-toner sensor shutter solenoid solenoid. Connector Fig. 13-708 (4) Remove 2 screws and 1 spring and take off the stay. Stay Spring Fig. 13-709 November 2003 © TOSHIBA TEC 13 - 9 e-STUDIO3511/4511 REVOLVER UNIT...
Page 250 Chapter 13.7 [B]). (2) Release 2 latches and take off the holder. Then take off the color developer unit drive gear and color toner supply drive gear. Fig. 13-713 e-STUDIO3511/4511 REVOLVER UNIT 13 - 10 November 2003 © TOSHIBA TEC...
Page 251 (9) Release 2 latches take off the laser cooling duct cover (rear side). (10) Take off the revolver home position sensor Chapter 13.7 [F]). Inner cover (11) Remove 2 screws and take off the inner cover. Fig. 13-715 November 2003 © TOSHIBA TEC 13 - 11 e-STUDIO3511/4511 REVOLVER UNIT...
Page 252 (14) Remove 1 screw and take off the lock lever. Lock lever Fig. 13-717 (15) Remove 5 screws and the stay. (Remove 1 of Stay 5 screws from the rear side of the equipment.) Fig. 13-718 e-STUDIO3511/4511 REVOLVER UNIT 13 - 12 November 2003 © TOSHIBA TEC...
Page 253 Fig. 13-721 Note: Do not unscrew the red painted screws (6 pcs.) on the revolver unit after taking off the revolver unit. Fig. 13-722 November 2003 © TOSHIBA TEC 13 - 13 e-STUDIO3511/4511 REVOLVER UNIT...
Page 254 Then take off the internal cooling fan together with the duct. Fig. 13-723 (3) Disconnect 1 connector and remove 2 screws. Then take off the internal cooling fan. Fig. 13-724 e-STUDIO3511/4511 REVOLVER UNIT 13 - 14 November 2003 © TOSHIBA TEC...
Page 255: Transfer Unit
1st transfer roller Drive roller-1 Drive roller-2 Tension roller Transfer belt Used toner auger 2nd transfer roller Idling roller Transfer belt cleaning blade Transfer belt home Drum position sensor-1 Fig. 14-201 November 2003 © TOSHIBA TEC 14 - 1 e-STUDIO3511/4511 TRANSFER UNIT...
Page 256: Functions
(11) 2nd transfer roller When the 2nd transfer bias from high-voltage power supply is applied, the toner is transferred from the transfer belt to the paper. e-STUDIO3511/4511 TRANSFER UNIT 14 - 2 November 2003 © TOSHIBA TEC...
Page 257 To prevent this, the sensor detects whether the thin paper is clinging to the transfer belt or not, and processes this case as a paper jam. November 2003 © TOSHIBA TEC 14 - 3...
Page 258: Outline Of 1St Transfer
(3) After an electrode bias is applied on the 2nd transfer roller, the toner image is transferred from the transfer belt to the paper. (4) Upon the completion of 2nd transfer, the 2nd transfer roller escapes to the releasing position. e-STUDIO3511/4511 TRANSFER UNIT 14 - 4 November 2003 © TOSHIBA TEC...
Page 259: High-Voltage Power Supply
The toner on the transfer belt is eliminated by the cleaning unit and thus cleaning of the 2nd transfer roller is performed. 2nd transfer roller LCA-301-1 DVDON-0 +1000V, -1000V DVAON-0 Fig. 14-601 November 2003 © TOSHIBA TEC 14 - 5 e-STUDIO3511/4511 TRANSFER UNIT...
Page 260: Disassembly And Replacement
Fig. 14-702 (7) Disconnect 3 connectors. Note: Make sure to connect each connector to the socket in the same color as that of the connector. Fig. 14-703 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 - 6 November 2003 © TOSHIBA TEC...
Page 261 (as shown in the figure at right) to engage the transfer belt drive gear. Fig. 14-707 November 2003 © TOSHIBA TEC 14 - 7 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 04/05...
Page 262 Fig. 14-709 and fit it into the front side by sliding it. (3) Remove 1 screw and 2 stand plates. Stand plate (long) Stand plate (short) Fig. 14-710 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 - 8 November 2003 © TOSHIBA TEC 04/05...
Page 263 (8) Install the stand plate (long) on the front side of Stand plate (long) the transfer belt unit using the screw which is removed in step (7). Fig. 14-714 November 2003 © TOSHIBA TEC 14 - 9 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT...
Page 264 (2) Remove 1 screw and the plate spring. (3) Remove 1 screw and take off the bracket. Then take off the 1st transfer roller and idling roller. Plate spring Bracket Fig. 14-717 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 - 10 November 2003 © TOSHIBA TEC 04/10...
Page 265 (2) Remove 1 screw and take off the cover. Fig. 14-720 (3) Remove 1 screw and disconnect 1 connector. Connector Transfer belt home Then take off the transfer belt home position position sensor-2 sensor-2. Fig. 14-721 November 2003 © TOSHIBA TEC 14 - 11 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT...
Page 266 2. Do not mix up the blade seal for front side and one for rear side since they differ each other. (3) Release 2 latches and take off the cover. Cover Fig. 14-724 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 - 12 November 2003 © TOSHIBA TEC 04/10...
Page 267 Note: When installing the transfer belt cleaning unit, after it’s completion, make sure the springs do not come off. Fig. 14-727 (7) Separate the transfer belt cleaning unit into 2 parts. Fig. 14-728 November 2003 © TOSHIBA TEC 14 - 13 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 04/10...
Page 268 Chapter 14.7 [F]). (2) Separate the transfer belt cleaning unit into Gear 2 parts. Chapter 14.7 [G]). (3) Release the latch and take off the gear. Fig. 14-732 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 - 14 November 2003 © TOSHIBA TEC 04/10...
Page 269 Transfer belt cleaner clutch the bushing-1, and then take off the bushing- 2 with the shaft. Take off the transfer belt Clip cleaner clutch. Bushing-1 E-ring Fig. 14-736 November 2003 © TOSHIBA TEC 14 - 15 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 04/10...
Page 270 (3) Take off the right rear cover Chapter 2.5.1 [L]). (4) Remove 2 clips and 1 spring, and then take off the slide hinge on the front side. Spring Clip Fig. 14-740 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 - 16 November 2003 © TOSHIBA TEC 04/10...
Page 271 Fig. 14-743 (4) Remove 2 tension springs. (5) Remove 2 clips. (6) Take off the bushing-1 and slide the bushing-2. Bushing-2 Bushing-1 Fig. 14-744 November 2003 © TOSHIBA TEC 14 - 17 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT...
Page 272 (1) Take off the transfer belt unit Chapter 14.7 [A]). (2) Open the ADU and 2nd transfer unit. (3) Remove 1 screw to slide the bracket downward. Then disconnect 1 connector. Bracket Fig. 14-748 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 - 18 November 2003 © TOSHIBA TEC 04/05...
Page 273 (4) Remove 1 screw. Then take off the paper clinging detection sensor from the bracket. Paper clinging detection sensor Bracket Fig. 14-749 November 2003 © TOSHIBA TEC 14 - 19 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 04/05...
Page 275: Image Quality Control
Test pattern (toner image) Light emitting Light receiving element element Reflected light amount signal Reflected light amount voltage Light source amount voltage Light source amount signal Fig. 15-201 November 2003 © TOSHIBA TEC 15 - 1 e-STUDIO3511/4511 IMAGE QUALITY CONTROL...
Page 276: Flow Chart Of Control Procedure
The test pattern is formed on the transfer belt. [9] The image forming conditions are determined and stored in NVRAM. [10] Control procedure is completed. (The determined image forming conditions will be reflected on subsequent copies.) e-STUDIO3511/4511 IMAGE QUALITY CONTROL 15 - 2 November 2003 © TOSHIBA TEC...
Page 277: Construction
Performs steps [1] to [10] described previously. Image forming process Transfer belt Image quality sensor Laser optical system Various image forming conditions Light source Reflected light amount signal amount signal Fig. 15-401 November 2003 © TOSHIBA TEC 15 - 3 e-STUDIO3511/4511 IMAGE QUALITY CONTROL...
Page 278: Disassembly And Replacement
(3) Remove 2 screws and take off the image quality sensor. Image quality sensor shutter solenoid (4) Remove 2 screws and take off the image quality sensor shutter solenoid. Image quality sensor Fig. 15-502 e-STUDIO3511/4511 IMAGE QUALITY CONTROL 15 - 4 November 2003 © TOSHIBA TEC...
Page 279: Fuser Unit / Paper Exit Section
When transporting OHP film or thick paper in color modes, the transport speed is lowered to the range from 1/2 to 1/4 in order to improve fusing efficiency. The exit motor which drives the exit roller is decelerated at the same time. November 2003 © TOSHIBA TEC 16 - 1 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION...
Page 280: Functions
The separation plate is installed above the separation roller to cover the insufficient separation often occurs at color printing - the mode that the toner is much adhered. e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 2 November 2003 © TOSHIBA TEC...
Page 281 (14) Exit roller This roller transports the paper from the fusing section to the receiving tray, paper exiting options or the ADU and is driven by the exit motor. November 2003 © TOSHIBA TEC 16 - 3 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION...
Page 282: Heater Control Circuit
16.4 Heater Control Circuit 16.4.1 Configuration Fig. 16-401 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 4 November 2003 © TOSHIBA TEC...
Page 283: Heating Principle Of Ih Heater
( IGBT ) IGBT drive Current input Monitoring input current Voltage input I/F circuit on LGC board Monitoring input current [Book Diagram of High Frequency Power Supply] Fig. 16-403 November 2003 © TOSHIBA TEC 16 - 5 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION...
Page 284: Ih Control Circuit Interface
“07: Ready” → After a certain period of time → Error [C470] • Defective circuits →: “13: Abnormal circuit, IH coil abnormality” → Error [C490] • Ready state after the initialization: “01: Ready” e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 6 November 2003 © TOSHIBA TEC...
Page 285: Relation Between System Configuration And Ih Output
(*1) The wattage lowers 50 W more when the scanning is performed from the RADF during warming up. (*2) AC power should be input voltage when the equipment is warming up (The lower the voltage is, the longer the warming up time becomes). November 2003 © TOSHIBA TEC 16 - 7 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION...
Page 286: Temperature Detection Section
The temperature of the ends are detected by the front edge thermistor, and when it reaches 250°C, the heater is automatically turned OFF regardless of the temperature of the area where the paper passes on. e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 8 November 2003 © TOSHIBA TEC...
Page 287 Auto Power Save Warming-up Ready During printing Fixed time (08-205) Mode Auto Shut Off Mode Fixed time (08-206) Temperature of fuser belt IH coil ON Fig. 16-405 November 2003 © TOSHIBA TEC 16 - 9 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION...
Page 288 Check the bias, high-voltage transformers and charge wires to see if any of them is defective, and also look through all the data in the NV RAM. e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 10 November 2003 © TOSHIBA TEC...
Page 289 IH circuit abnormality, LGC circuit abnormality or thermistor abnormality. The thermistors auto- matically turn OFF the power when the temperature of IH coil exceeds the specified temperature. thermistor PC4/AN4 Main thermistor PC5/AN5 Front edge thermistor PC6/AN6 Fig. 16-406 November 2003 © TOSHIBA TEC 16 - 11 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION...
Page 290 40°C or below 40°C or below 40°C or below C450 At paper jam 250°C or above On usual C440 250°C or above * Condtion: Priority of error checking. e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 12 November 2003 © TOSHIBA TEC...
Page 291: Abnormality In The Ih Control Circuit
CPU output level of the IH control circuit changes depending on the condition of IH coil. This output level goes through the photocoupler into the gate array. 5V SW Gate array H1ERR1 H1ERR2 Fig. 16-407 November 2003 © TOSHIBA TEC 16 - 13 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION...
Page 292 Overheating of IGBT or short- or open-circuit of IGBT temperature-detecting sensor. IH circuit abnormality: Abnormality in IH circuit IH coil abnormality: Temperature-detecting sensor in IH circuit is abnormal, or IH coil is open-circuited or wrongly in- stalled. e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 14 November 2003 © TOSHIBA TEC...
Page 293: Control Circuit Of Exit Motor
16.6 Exit Motor Drive The diagram shown below is the layout of the driving gears of the exit roller. Exit motor Exit roller ( φ 15) Fig. 16-601 November 2003 © TOSHIBA TEC 16 - 15 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION...
Page 294: Disassembly And Replacement
Cleaning unit by lifting it up. Note: When installing, fit 2 protrusions on the bottom of the cleaning unit into the holes of the frame securely. Fig. 16-704 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 16 November 2003 © TOSHIBA TEC...
Page 295 Note: When installing, make sure that the oil roller Spring (A) rotates smoothly by turning the gear (C) of Bushing the cleaning roller manually for a several Fig. 16-708 times. November 2003 © TOSHIBA TEC 16 - 17 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION...
Page 296 - Front side - Fig. 16-712 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 18 November 2003 © TOSHIBA TEC...
Page 297 Note: Be careful not to scratch the fuser belt. Fuser belt guide Fuser belt Fig. 16-715 (7) Remove 2 screws and take off the bracket. Bracket Fig. 16-716 November 2003 © TOSHIBA TEC 16 - 19 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION...
Page 298 Bracket - Front - Fig. 16-719 (4) Remove 1 screw and take off the bracket on the rear side. Bracket - Rear - Fig. 16-720 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 20 November 2003 © TOSHIBA TEC...
Page 299 (2) Lift up the fuser belt unit and take it off. Note: Be careful not to scratch the fuser belt. Lay the fuser belt on the clean place to prevent the belt from the dust. Fig. 16-724 November 2003 © TOSHIBA TEC 16 - 21 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION...
Page 300 (5) Remove 2 screws and take off the separation finger unit. Separation finger unit Fig. 16-727 (6) Remove the spring of each separation finger. Separation finger Spring Fig. 16-728 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 22 November 2003 © TOSHIBA TEC...
Page 301 (3) Release the harnesses from the harness clamps. (4) Remove 2 screws and take off the thermostat unit. Note: Be careful not to scratch the fuser belt. Thermostat unit Fuser belt Fig. 16-732 November 2003 © TOSHIBA TEC 16 - 23 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION...
Page 302 Chapter 16.7 [A]). (2) Release the harnesses from the harness clamps. Fig. 16-735 (3) Remove 1 screw of each thermistor and take off total 3 thermistors. Fig. 16-736 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 24 November 2003 © TOSHIBA TEC...
Page 303 Plate spring Exit sensor Fig. 16-739 (7) Remove 1 E-ring and pull out the shaft. Then remove 8 exit fingers and 1 actuator. E-ring Actuator Fig. 16-740 November 2003 © TOSHIBA TEC 16 - 25 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION...
Page 304 (5) Remove E-ring, gear unit, E-ring and bushing Gear unit Bushing Exit roller in order from the exit roller rear side. Then take off the exit roller. E-ring E-ring Fig. 16-744 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 26 November 2003 © TOSHIBA TEC...
Page 305 (1) Take off the IH board case ( Chapter 16.7 [M]). (2) Remove 1 screw and take off the IH control board cooling fan cover. Fig. 16-748 November 2003 © TOSHIBA TEC 16 - 27 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION...
Page 306 Notes: 1. Before installing or taking off the scraper, confirm that the pressure releasing levers are up. 2. Be careful not to scratch the fuser belt. Scraper Fig. 16-752 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 28 November 2003 © TOSHIBA TEC 04/01...
Page 307: Automatic Duplexing Unit (Adu)
The ADU mainly consists of the transport rollers and their drive system, paper guide and ADU entrance/ exit sensor. Entrance guide Upper transport roller Paper guide ADU entrance sensor Middle transport roller ADU motor ADU exit sensor Exit guide Lower transport roller Fig. 17-101 November 2003 © TOSHIBA TEC 17 - 1 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT...
Page 308: Description Of Operations
The operation of the duplex printing differs depending on the size of the paper; single-paper circulation and alternateness circulation. The figures in the following pages show the circulating operations during duplex copying. The numbers in the figures indicate the page numbers. e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT 17 - 2 November 2003 © TOSHIBA TEC...
Page 309 ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( 6 ) ( 7 ) ( 8 ) ( 9 ) Fig. 17-201 November 2003 © TOSHIBA TEC 17 - 3 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT...
Page 310 2nd sheet ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( 6 ) Fig. 17-202 ( 7 ) ( 8 ) e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT 17 - 4 November 2003 © TOSHIBA TEC...
Page 311 ( 7 ) ( 8 ) ( 9 ) ( 10 ) ( 11 ) ( 12 ) ( 13 ) ( 14 ) ( 15 ) Fig. 17-203 November 2003 © TOSHIBA TEC 17 - 5 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT...
Page 312 Timing chart for duplex copying from upper drawer (A4, 3 sheets) e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT 17 - 6 November 2003 © TOSHIBA TEC...
Page 313 Timing chart for duplex copying from upper drawer (A3, 1 sheet) November 2003 © TOSHIBA TEC 17 - 7 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT...
Page 314: Drive Of Adu
The ADU clutch is then turned ON and the middle transport roller and lower transport roller are rotated. Upper transport roller ADU motor Middle transport roller ADU clutch Lower transport roller Fig. 17-301 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT 17 - 8 November 2003 © TOSHIBA TEC...
Page 315: 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. 17-401 November 2003 © TOSHIBA TEC 17 - 9 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT...
Page 316 ON? ADU misfeeding ( E110 ) Registration in process Registration process completed ADU motor stopped ADU clutch OFF Next paper is ready for the registration Fig. 17-402 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT 17 - 10 November 2003 © TOSHIBA TEC...
Page 317 [B] ADU inside rear cover Screw Take off the ADU ( Chapter 17.5 [A]). ADU inside rear cover Remove 2 screws and take off the ADU inside rear cover. Fig. 17-504 November 2003 © TOSHIBA TEC 17 - 11 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT...
Page 318 (1) Take off the ADU, ADU inside rear cover, ADU opening/closing switch, paper guide, and ADU Spring cover ( Chapter 17.5 [A] to 17.5 [E]). (2) Remove the spring. Fig. 17-508 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT 17 - 12 November 2003 © TOSHIBA TEC...
Page 319 ADU entrance sensor. Fig. 17-511 Disconnect the connector and release the latch to take off the ADU exit sensor. Connector ADU exit sensor Fig. 17-512 November 2003 © TOSHIBA TEC 17 - 13 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT...
Page 320 (3) Remove 3 screws and take off the ADU gear unit. Note: Match the protrusion of clutch with the Screw ADU gear unit position shown in the figure when Fig. 17-516 assembling. e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT 17 - 14 November 2003 © TOSHIBA TEC...
Page 321 ( Chapter 17.5 [A] to 17.5 [E]). Remove 2 screws and take off the opening/ closing lever. Screw Opening/Closing lever Fig. 17-519 Remove the spring. Spring Fig. 17-520 November 2003 © TOSHIBA TEC 17 - 15 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT...
Page 322 Fig. 17-523 (7) Remove the clip on the front side. Upper transport roller Bushing (8) Remove 2 bushings and take off the upper transport roller. Clip Bushing Fig. 17-524 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT 17 - 16 November 2003 © TOSHIBA TEC...
Page 323 Fig. 17-526 Remove the clip on the rear side. Clip Fig. 17-527 Remove 2 bushings and take off the middle Bushing Middle transport roller transport roller. Bushing Fig. 17-528 November 2003 © TOSHIBA TEC 17 - 17 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT...
Page 324 Roller 1. The roller has a one-way clutch inside. E-ring When installing rollers, pay attention to the rotation direction. 2. Replace 2 rollers at a time. Fig. 17-532 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT 17 - 18 November 2003 © TOSHIBA TEC...
Page 325: Power Supply Unit
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 over- current protection. November 2003 © TOSHIBA TEC 18 - 1 e-STUDIO3511/4511 POWER SUPPLY UNIT...
Page 326: Output Channel
Pin 16 (*NAD/SAD/TWD models only) Output to the LGC board (4) -12V -12VA : CN464 Pin 9 Output to the SYS board -12VB : CN464 Pin 3 Output to the SYS board e-STUDIO3511/4511 POWER SUPPLY UNIT 18 - 2 November 2003 © TOSHIBA TEC...
Page 327 CN466 For the LGC board CN467 For the SLG board, SDV board, RADF CN468 For the finisher CN469 For the PFP/LCF CN470 For the power supply cooling fan November 2003 © TOSHIBA TEC 18 - 3 e-STUDIO3511/4511 POWER SUPPLY UNIT...
Page 328: Fuse
Exposure lamp (lamp inverter) F6:4A (Semi time-lag) CCD drive circuit (CCD board) SLG board cooling fan Scanner unit cooling fan Scan motor +24VD5 Finisher F7:5A (Semi time-lag) e-STUDIO3511/4511 POWER SUPPLY UNIT 18 - 4 November 2003 © TOSHIBA TEC 04/05...
Page 329: Configuration Of Power Supply Unit
18.5 Configuration of Power Supply Unit November 2003 © TOSHIBA TEC 18 - 5 e-STUDIO3511/4511 POWER SUPPLY UNIT...
Page 330: Sequence Of Power Supply
+5.1VD (Linked with door switch) +12VB, -12VB (Linked with main switch) +24VD (Linked with door switch) 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) e-STUDIO3511/4511 POWER SUPPLY UNIT 18 - 6 November 2003 © TOSHIBA TEC...
Page 331: Ac Wire Harness
18.7 AC Wire Harness J650 LOAD J653 J650 November 2003 © TOSHIBA TEC 18 - 7 e-STUDIO3511/4511 POWER SUPPLY UNIT...
Page 339 (13) PWA-F-FIL (* NAD/SAD/TWD models: Standard) (14) PWA-F-FUS (* ASD/AUD/CND models: Standard, MJD model: Option) November 2003 © TOSHIBA TEC 19 - 7 e-STUDIO3511/4511 PC BOARDS...
Page 342 1-1, KANDA NISHIKI-CHO, CHIYODA-KU, TOKYO, 101-8442 JAPAN...

Toshiba e-studio3511, e-studio4511 Manual

1 Specifications/Accessories/Options/Supplies

2 Outline of the Machine

8 Laser Optical Unit

3 Copy Process

4 General OPERATION

5 Control Panel

6 Scanner

7 Image Processing

9 Drive System

10 Paper Feeding System

11 Drum Related Section

12 Developer Unit

13 Revolver Unit

14 Transfer Unit

15 Image Quality Control

16 Fuser Unit / Paper Exit Section

17 Automatic Duplexing Unit (Adu)

18 Power Supply Unit

19 Pc Boards

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