Toshiba e-STUDIO255 Service Handbook
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Also See for e-STUDIO255:
- Management manual (226 pages) ,
- Copying manual (174 pages) ,
- Troubleshooting manual (132 pages)
Related Manuals for Toshiba e-STUDIO255
Summarization of Contents
SERVICE HANDBOOK
MULTIFUNCTIONAL DIGITAL SYSTEMS
Identifies the type of equipment covered by the service handbook.
e-STUDIO205L/255/305
Lists the specific models covered by the service handbook.
e-STUDIO355/455
Lists the specific models covered by the service handbook.
1. SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES
1.1 Specifications
General specifications including type, glass, process, fixing method, photosensor, etc.
1.2 Accessories
Lists unpacking/setup instructions, operator's manuals, power cable, warranty sheet, etc.
1.3 Options
Details optional accessories like RADF, finishers, hole punch units, fax units, etc.
1.4 Supplies
Lists consumable supplies such as drum, toner cartridge, and developer.
1.5 System List
Provides a diagram of system components and their connections.
2. SELF-DIAGNOSIS MODES
2.1 Overview
Explains how to start and exit self-diagnosis modes, listing available modes.
2.2 Input Check (Test Mode 03)
Details checking the status of each input signal by pressing specific buttons and digital keys.
2.3 Output Check (Test Mode 03)
Describes how to check the status of output signals by inputting specific codes.
2.4 Test Print Mode (Test Mode 04)
Explains how to print embedded test patterns by keying in specific codes.
2.5 List Print Mode
Lists data output in the list print mode, available in A4 or LT paper sizes.
2.6 Adjustment Mode (05)
Covers procedures for adjusting various items in the Adjustment Mode.
2.7 Setting Mode (08)
Details how to set or change items listed in the Setting Mode.
2.8 Classification List of Adjustment Mode (05)/Setting Mode (08)
Lists and classifies items for Adjustment Mode (05) and Setting Mode (08).
3. ADJUSTMENT
3.1 Adjustment Order
Explains the procedures for image-related adjustments and the order of operations.
3.2 Adjustment of Auto-Toner Sensor
Details the procedure for adjusting the auto-toner sensor after replacing the developer material.
3.3 Image Dimensional Adjustment
Covers adjustments for image dimensions like paper alignment, reproduction ratio, and margins.
3.4 Image Quality Adjustment (Copying Function)
Explains adjustments for image quality in copying, including gamma, density, background, and sharpness.
3.5 Image Quality Adjustment (Printing Function)
Details adjustments for image quality related to printing, such as smudged/faint text and image density.
3.6 Image Quality Adjustment (Scanning Function)
Covers adjustments for image quality in scanning, including gamma balance, density, and sharpness.
3.7 Image Quality Adjustment (FAX Function)
Explains density adjustment for FAX function.
3.8 Adjustment of High-Voltage Transformer
Provides procedures and precautions for adjusting high-voltage transformer components.
3.9 Adjustment of the Scanner Section
Details adjustments for scanner components like carriage wires and lens unit.
3.10 Adjustment of the Paper Feeding System
Explains adjustments for paper feeding issues like sideways deviation and drawer feeding.
3.11 Adjustment of Developer Unit
Covers the doctor-to-sleeve gap adjustment for the developer unit.
3.12 Adjustment of the RADF
Details adjustments for the RADF, including position, height, skew, and leading edge.
3.13 Adjustment of the Finisher (MJ-1025)
Explains adjustments for the MJ-1025 finisher, such as folding position and sensor output.
3.14 Adjustment of the Finisher (MJ-1024)
Details adjustments for the MJ-1024 finisher, including alignment and stapling positions.
3.15 Adjustment of the Finisher (MJ-1101)
Covers adjustments for the MJ-1101 finisher, such as alignment and stapling positions.
3.16 Adjustment of Dogleg
Explains how to adjust dogleg images, which are deformed images at the trailing edge.
4. BACKUP FUNCTION
4.1 Data Cloning
Explains the function to back up and restore user data, setting data, and SRAM data via USB.
4.2 AES Data Encryption Function Setting
Details the function to encrypt data in the HDD to enhance security.
4.3 Assist Mode
Describes the Assist Mode for enabling functions like error flag clearing and HDD formatting.
5. PREVENTIVE MAINTENANCE (PM)
5.1 General Description
Explains the purpose of preventive maintenance for quality level and parts replacement.
5.2 PM Display
Details PM display conditions, including codes for thresholds, counters, and display settings.
5.3 General Descriptions for PM Procedure
Outlines the timing and procedure for preventive maintenance.
5.4 PM Support Mode
Explains how to view part usage (output pages, drive counts) and perform counter clearing.
5.5 EPU Replacement Mode
Details the procedure for replacing EPUs (drum/cleaner, developer) and resetting counters.
5.6 Fuser Unit Status Detection Mode
Explains how the system detects a new or used fuser unit and clears life counters.
5.7 Preventive Maintenance Checklist
Provides a checklist of items for preventive maintenance per unit, including cleaning, lubrication, and replacement.
5.8 Precautions for Storing and Handling Supplies
Gives precautions for storing toner, developer, drums, rollers, and paper.
5.9 PM KIT
Lists PM kits that include replacement parts for each unit.
5.10 Maintenance Part List
Lists parts used for maintenance, including tools and consumables.
5.11 Grease List
Lists greases used for maintenance and their volumes.
5.12 Operational Items in Overhauling
Details operational items for equipment overhaul based on output pages or time.
6. ERROR CODE AND TROUBLESHOOTING
6.1 General Descriptions
Explains how to use the chapter to solve troubles by checking error codes and performing troubleshooting.
6.2 Error Code List
Lists error codes displayed on the LCD, their classification, contents, and troubleshooting steps.
6.3 Diagnosis and Prescription for Each Error Code
Provides detailed diagnosis and prescription for specific error codes, including paper jams and service calls.
6.4 Troubleshooting for the Image
Covers troubleshooting steps for various image quality issues like density, fogging, moire, toner offset, and blurred images.
7. REPLACEMANT OF HDD/PC BOARDS
7.1 Precautions and Procedures for Replacing PC Boards and HDD
Provides crucial precautions and step-by-step procedures for replacing PC boards and the HDD.
7.1.2 HDD fault diagnosis
Explains how to display HDD operation history for diagnosing potential failures.
7.1.3 Precautions and procedures when replacing the HDD
Details essential precautions and procedures for HDD replacement, including data backup.
7.1.4 Precautions and Procedures when replacing the SYS board
Outlines precautions and procedures for replacing the SYS board, including jumper settings.
7.1.5 Procedures when replacing the LGC board
Explains the step-by-step procedures for replacing the LGC board, including firmware updates.
7.1.6 Procedures when replacing the SLG board
Details the procedures for replacing the SLG board, including scanner ROM updates.
7.1.7 Precautions and Procedures when replacing SRAM board
Covers precautions and procedures for replacing the SRAM board, including data encryption considerations.
7.1.8 Procedures when replacing EEPROM
Provides procedures for replacing the EEPROM, including data backup and firmware confirmation.
7.2 Precautions for Installation of GP-1070 and Disposal of HDD/Board
Details precautions for installing GP-1070 and disposing of HDD/boards.
8. FIRMWARE UPDATING
8.1 Firmware Updating with USB Media
Explains how to update firmware using USB media, including necessary programs and data files.
8.2 Firmware Updating with PWA-DWNLD-350-JIG2
Details the firmware update procedure using the PWA-DWNLD-350-JIG2 download jig.
8.3 Firmware Updating with K-PWA-DLM-320
Explains firmware updating for options like RADF, finishers, and fax units using K-PWA-DLM-320.
8.3.1 Scanner ROM
Procedure for updating the scanner ROM firmware.
8.3.2 System ROM
Procedure for updating the system ROM firmware.
8.3.3 Hole punch unit firmware (MJ-6101)
Procedure for updating the hole punch unit firmware.
8.3.4 Finisher firmware (MJ-1025)
Procedure for updating the MJ-1025 finisher firmware.
8.3.5 Finisher firmware (MJ-1024)
Procedure for updating the MJ-1024 finisher firmware.
8.3.6 Finisher firmware (MJ-1101)
Procedure for updating the MJ-1101 finisher firmware.
8.3.7 Converter Firmware (MJ-1101)
Procedure for updating the converter firmware for MJ-1101.
8.3.8 Finisher firmware (MJ-1031)
Procedure for updating the MJ-1031 finisher firmware.
8.3.9 Fax unit firmware (GD-1250)
Procedure for updating the fax unit firmware.
8.4 Confirmation of the updated data
Guides on how to confirm updated data versions by checking Setting Mode (08).
8.5 When Firmware Updating Fails
Provides procedures for correcting USB update failures.
9. POWER SUPPLY UNIT
9.1 Construction
Describes the components of the power supply unit: AC filter, DC output circuits, heater lamp control, and damp heater.
9.2 Operation of DC Output Circuits
Explains the operation of DC output circuits, including starting/stopping line output and super sleep mode.
9.3 Output Channel
Lists the output channels and their destinations, linked or not linked with the door switch.
9.4 Fuse
Details the fuse types for various board/unit parts and their corresponding voltage.
9.5 Configuration of Power Supply Unit
Provides a schematic showing the configuration of the power supply unit and its connections.
9.6 Sequence of Power Supply
Illustrates the power supply sequence signals like PWR-DN, PWR-EN, and SYS-EN.
9.7 AC Wire Harness
Shows the AC wire harness connection diagram for the main unit.
10. REMOTE SERVICE
10.1 Auto Supply Order
Explains the function for automatically ordering toner via FAX or E-mail based on toner levels.
10.2 Service Notification
Describes how the equipment notifies service technicians of its status via E-mail or FAX.
11. WIRE HARNESS CONNECTION DIAGRAMS
11.1 AC Wire Harness
Provides the AC wire harness connection diagram for the main unit.
11.2 DC Wire Harness (e-STUDIO255)
Shows the DC wire harness connections for the e-STUDIO255 model.
11.3 Electric Parts Layout (e-STUDIO205L/255/305)
Illustrates the layout of electric parts for e-STUDIO205L/255/305.
11.4 DC Wire Harness (e-STUDIO355/455)
Shows the DC wire harness connections for the e-STUDIO355/455 models.
11.5 Electric Parts Layout (e-STUDIO355/455)
Illustrates the layout of electric parts for e-STUDIO355/455.
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