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Toshiba e-STUDIO 3511, e-STUDIO 4511, Service Manual
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your TOSHIBA e-STUDIO 3511/4511 copier.
You can print, zoom or read any diagram, picture or page from this Service Manual. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Toshiba e-STUDIO 3511, e-STUDIO 4511 photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:
1. SPECIFICATIONS/ACCESSORIES/OPTIONS/SUPPLIES
1.1 Specifications
1.2 Accessories
1.3 Options
1.4 Supplies
1.5 System List
2. OUTLINE OF THE MACHINE
2.1 Sectional View
2.2 Electric Parts Layout
2.3 Symbols and Functions of Various Components
2.4 General Description
2.4.1 System block diagram
2.4.2 Construction of boards
2.5 Disassembly and Replacement of Covers and PC boards
2.5.1 Covers
2.5.2 PC boards
2.5.3 Options
3. COPY PROCESS
3.1 Expression of Colors and 4-Step Copy Process
3.2 General Description of Copying Process
3.3 Details of Copying Process
3.4 List of Copying Process Conditions
4. General OPERATION
4.1 Overview of Operation
4.2 Description of Operation
4.2.1 Warming-up
4.2.2 Ready (ready for copying)
4.2.3 Drawer feed copying (Upper drawer paper feeding)
4.2.4 Bypass feed copying
4.2.5 Interruption copying
4.3 Detection of Abnormality
4.3.1 Types of abnormality
4.3.2 Description of abnormality
4.4 Flow Chart
4.4.1 Power ON to ready
4.4.2 Automatic feed copying
5. CONTROL PANEL
5.1 Control Panel and Display Panel
5.2 Items Shown on the Display Panel
5.2.1 Display
5.3 Relation between the Equipment State and Operator�s Operation
5.4 Description of Operation
5.4.1 Dot matrix LCD circuit
5.4.2 LED display circuit
5.5 Disassembly and Replacement
6. SCANNER
6.1 Function
6.2 Construction
6.3 Description of Operation
6.3.1 Scan motor
6.3.2 Scanning drive circuit
6.3.3 Initialization at power-ON
6.4 Control of Exposure Lamp
6.4.1 General description
6.4.2 Exposure lamp
6.4.3 Control circuit for the exposure lamp
6.5 General Description of CCD Control
6.5.1 Opto-electronic conversion
6.5.2 Shading correction
6.6 Automatic Original Size Detection Circuit
6.6.1 Principle of original size detection
6.6.2 Process of detection of original size
6.7 Disassembly and Replacement
7. IMAGE PROCESSING
7.1 General Description
7.2 Configuration
7.3 SYS Board (PWA-F-SYS-350)
7.3.1 Features
7.3.2 Functions of image processing circuit
7.4 LGC Board (PWA-F-LGC-350)
7.4.1 Features
7.4.2 Functions of image processing circuit
7.5 Laser Driving PC Board (LDR Board)
8. LASER OPTICAL UNIT
8.1 General Description
8.2 Structure
8.3 Laser Diode
8.4 Laser Unit Cooling Fan
8.5 Polygonal Motor
8.6 Disassembly and Replacement
9. DRIVE SYSTEM
9.1 General Description
9.2 Main Motor
9.2.1 Construction
9.2.2 Drive circuit of main motor
9.2.3 Signal level of motor circuit
9.3 Transport Motor
9.3.1 Construction
9.3.2 Drive circuit of transport motor
9.4 Developer Motor
9.4.1 Construction
9.4.2 Drive circuit of developer motor
9.5 Disassembly and Replacement
10. PAPER FEEDING SYSTEM
10.1 General Descriptions
10.2 Description of Operation
10.2.1 Operation of bypass pickup roller
10.2.2 Operation of drawer pickup roller
10.2.3 Separation of paper
10.2.4 General operation
10.3 Drive Circuit of Tray-up Motor
10.4 Disassembly and Replacement
11. DRUM RELATED SECTION
11.1 Construction
11.2 Functions
11.3 Output Control Circuits of High-Voltage Transformer
11.4 Drum Temperature Detection Circuit
11.5 Temperature/Humidity Sensor
11.5.1 General description
11.5.2 Construction
11.6 Charger Wire Cleaner
11.6.1 Operation
11.6.2 Construction
11.6.3 Drive circuit
11.7 Disassembly and Replacement
12. DEVELOPER UNIT
12.1 General Description
12.2 Construction
12.3 Sectional View
12.4 Black Toner Cartridge Drive Unit
12.4.1 General descriptions
12.4.2 Toner motor
12.5 Black Developer Unit
12.5.1 Functions
12.5.2 Black developer unit drive section
12.5.3 Black auto-toner sensor circuit
12.5.4 Black developer unit lifting mechanism
12.6 Color Developer Unit
12.6.1 Functions
12.6.2 Color developer unit drive section
12.6.3 Color auto-toner sensor circuit
12.6.4 Color toner supply
12.7 High-Voltage Transformer Output Control Circuit
12.8 Disassembly and Replacement
13. REVOLVER UNIT
13.1 General Description
13.2 Construction
13.3 Functions
13.4 Drive of Revolver Unit
13.5 Revolver Motor Drive Circuit
13.5.1 Revolver motor
13.6 Operation
13.6.1 Home position detection
13.6.2 Escape position movement
13.6.3 During warming-up
13.6.4 During printing
13.6.5 Color toner supply
13.6.6 During image quality control
13.7 Disassembly and Replacement
14. TRANSFER UNIT
14.1 General Descriptions
14.2 Construction
14.3 Functions
14.4 Outline of 1st transfer
14.5 Outline of 2nd transfer
14.6 High-Voltage Power Supply
14.7 Disassembly and Replacement
15. IMAGE QUALITY CONTROL
15.1 General Description
15.2 Principle of the Sensor
15.3 Flow Chart of Control Procedure
15.4 Construction
15.5 Disassembly and Replacement
16. FUSER UNIT / PAPER EXIT SECTION
16.1 General Description
16.2 Operation
16.3 Functions
16.4 Heater Control Circuit
16.4.1 Configuration
16.4.2 Heating principle of IH Heater
16.4.3 IH control circuit interface
16.4.4 Relation between system configuration and IH output
16.4.5 Temperature detection section
16.4.6 Abnormality in the IH control circuit
16.5 Control Circuit of Exit Motor
16.6 Exit Motor Drive
16.7 Disassembly and Replacement
17. AUTOMATIC DUPLEXING UNIT (ADU)
17.1 General Description
17.2 Description of Operations
17.3 Drive of ADU
17.4 Flow Chart
18. POWER SUPPLY UNIT
18.1 Construction
18.2 Operation of DC Output Circuits
18.3 Output Channel
18.4 Fuse
18.5 Configuration of Power Supply Unit
18.6 Sequence of Power Supply
18.7 AC Wire Harness
19. PC BOARDS
Numbers of pages: 342.
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