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Toshiba e-STUDIO 163, e-STUDIO 203, Service Manual & Service Handbook Manual
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Toshiba e-STUDIO 163, e-STUDIO 203 copier.
You can print, zoom or read any diagram, picture or page from this Service Manual & Service HandBook 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 163, e-STUDIO 203 photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:
CONTENTS FOR SERVICE MANUAL:
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
2.6 Disassembly and Replacement of PC boards
2.7 Removal and Installation of Options
3) COPY PROCESS
3.1 General Description of Copying Process
3.2 Details of Copying Process
3.3 Comparison with e-STUDIO230/280
4) GENERAL OPERATION
4.1 Overview of Operation
4.2 Description of Operation
4.2.1 Warming-up
4.2.2 Ready state (ready for copying)
4.2.3 Drawer feed copying
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 Immediately after the power is turned ON
4.4.2 Automatic paper feed copying
5) CONTROL PANEL
5.1 Control Panel and LED Display
5.2 Items Displayed on Control Panel
5.3 Relation between Equipment State and Operation
5.4 Operation
5.4.1 Block diagram
5.4.2 LED display circuit
5.5 Disassembly and Replacement
6) SCANNER
6.1 General Description
6.2 Construction
6.3 Functions
6.4 Description of Operation
6.4.1 Scanning operation
6.4.2 Scan motor drive circuit
6.5 Contact Image Sensor Unit Control Circuit
6.5.1 Exposure LED control circuit
6.5.2 CCD control circuit
6.6 Disassembly and Replacement
7) IMAGE PROCESSING
7.1 General Description
7.2 Configuration
7.3 MAIN Board
7.3.1 Features
7.3.2 Functions of image processing circuit
8) LASER OPTICAL UNIT
8.1 General Description
8.2 Structure
8.3 Laser Diode Control Circuit
8.4 Polygonal Motor Control Circuit
8.5 Disassembly and Replacement
9) DRIVE UNIT
9.1 General Description
9.2 Configuration
9.3 Functions
9.4 Main Motor Control Circuit
9.5 Disassembly and Replacement
10) PAPER FEEDING SYSTEM
10.1 General Description
10.2 Configuration
10.3 Functions
10.4 Operation
10.4.1 Drawer
10.4.2 Bypass tray
10.4.3 General operation
10.5 Disassembly and Replacement
11) DRUM RELATED SECTION
11.1 General Description
11.2 Configuration
11.3 Functions
11.4 High-Voltage Output Control Circuit
11.4.1 General description
11.4.2 Description of Operation
11.5 Drum Temperature Detection Circuit
11.5.1 General description
11.5.2 Circuit configuration
11.6 Temperature/Humidity Detection Circuit
11.6.1 General Description
11.6.2 Circuit configuration
11.7 Disassembly and Replacement
12) DEVELOPMENT SYSTEM
12.1 General Description
12.2 Construction
12.3 Functions
12.3.1 Function of each unit
12.3.2 Functions of the toner cartridge PC board (CTRG)
12.3.3 Recovered toner supply mechanism
12.4 Toner Motor Control Circuit
12.5 Auto-Toner Circuit
12.5.1 General description
12.5.2 Function of auto-toner sensor
12.6 Disassembly and Replacement
13) FUSER / EXIT UNIT
13.1 General Description
13.2 Configurations
13.3 Functions
13.4 Operation
13.5 Fuser Unit Control Circuit
13.5.1 Configuration
13.5.2 Temperature detection section
13.6 Disassembly and Replacement
14) POWER SUPPLY UNIT
14.1 Construction
14.2 Operation of DC Output Circuit
14.3 Output Channel
14.4 Fuse
14.5 Configuration of Power Supply Unit
14.6 Power Supply Sequence
14.7 AC Wire Harness
15) PC BOARDS
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CONTENTS FOR HANDBOOK SERVICE MANUAL:
1) SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES
1.1 Specifications
1.2 Accessories
1.3 Options
1.4 Supplies
1.5 System List
2) ERROR CODE AND SELF-DIAGNOSTIC MODE
2.1 Error Code List
2.1.1 Jam
2.1.2 Service call
2.2 Self-diagnosis Modes
2.2.1 Input check (Test mode 03)
2.2.2 Output check (Test mode 04)
2.2.3 Test print mode (Test mode 07)
2.2.4 Adjustment mode (05)
2.2.5 Setting mode (08)
2.2.6 Classification List of Adjustment Mode (05) / Setting Mode (08)
3) ADJUSTMENT
3.1 Adjustment of Auto-Toner Sensor
3.2 Image Dimensional Adjustment
3.2.1 General description
3.2.2 Paper alignment at the registration roller
3.2.3 Printer related adjustment
3.2.4 Scanner related adjustment
3.3 Image Quality Adjustment (Copying Function)
3.3.1 Density adjustment
3.3.2 Gamma slope adjustment
3.3.3 Sharpness adjustment
3.3.4 Setting range correction
3.3.5 Setting range correction (Adjustment of background peak)
3.3.6 Adjustment of smudged/faint text
3.3.7 Adjustment of image density
3.4 Image Quality Adjustment (Printing Function)
3.4.1 Adjustment of smudged/faint text
3.4.2 Adjustment of image density
3.5 Adjustment of High-Voltage Transformer
3.5.1 Adjustment
3.5.2 Precautions
3.6 Adjustment of the Scanner Section
3.6.1 CIS unit
3.6.2 CIS unit drive belt-1
3.6.3 Scan motor (CIS unit drive belt-2)
3.7 Adjustment of the Paper Feeding System
3.7.1 Sheet sideways deviation caused by paper feeding
3.8 Adjustment of Developer Unit
3.8.1 Doctor-to-sleeve gap
3.9 Adjustment of the ADF (MR-2017)
3.9.1 Adjustment of ADF Position
3.9.2 Adjustment of ADF Height
3.9.3 Adjustment of Skew
3.9.4 Adjustment of the Leading Edge Position
3.9.5 Adjustment of Horizontal Position
3.9.6 Adjustment of Copy Ratio
3.9.7 Adjustment of ADF Opening/Closing Sensor
4) PREVENTIVE MAINTENANCE (PM)
4.1 General Descriptions for PM Procedure
4.2 Operational Items in Overhauling
4.3 Preventive Maintenance Checklist
4.4 PM KIT
4.5 Jig List
4.6 Grease List
4.7 Precautions for Storing and Handling Supplies
4.7.1 Precautions for storing TOSHIBA supplies
4.7.2 Checking and cleaning of photoconductive drum
4.7.3 Checking and cleaning of drum cleaning blade
4.7.4 Checking and cleaning of fuser roller and pressure roller
5) TROUBLESHOOTING
5.1 Diagnosis and Prescription for Each Error Code
5.1.1 Paper transport jam
5.1.2 Paper misfeeding
5.1.3 Cover open jam
5.1.4 Transport jam (ADF)
5.1.5 Drive system related service call
5.1.6 Scanning system related service call
5.1.7 Fuser unit related service call
5.1.8 ADF related service call
5.1.9 Laser optical unit related service call
5.1.10 Service call for others
5.2 Troubleshooting for the Image
5.3 Replacement of PC Boards
5.3.1 Replacing MAIN board
6) FIRMWARE UPDATING
6.1 Firmware Updating with Download Jig
6.1.1 PWA-DWNLD-350-JIG
6.1.2 Writing the data to the download jig (PWA-DWNLD-350-JIG)
6.2 Firmware Updating with TOSHIBA Viewer
7) POWER SUPPLY UNIT
7.1 Output Channel
7.2 Fuse
7.3 Configuration of Power Supply Unit
8) WIRE HARNESS CONNECTION
8.1 AC Wire Harness
8.2 DC Wire Harness
8.3 Electric Parts Layout
Numbers of pages: 440.
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