Toshiba 281 C Photocopier Service Manual

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Full – Service Manual, Service Handbook, Parts List Toshiba e-STUDIO 281c, e-STUDIO 351c, e-STUDIO 451c; This service manual is the full Repair Manual. This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Toshiba copier. You can print, zoom or read any diagram, picture or page from this full 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 281c, e-STUDIO 351c, e-STUDIO 451c 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/HDD 2.7 Removal and Installation of Options 3.

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Bizhub 600 Photocopier Service Manual Video

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 General Description 5.2 Items Shown on the Display Panel 5.2.1 Display 5.2.2 Message 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 General Description 6.2 Construction 6.3 Functions 6.4 Description of Operation 6.4.1 Scan motor (M1) 6.4.2 Scanning drive circuit 6.4.3 Initialization at power-ON 6.5 Control of Exposure Lamp (EXP) 6.5.1 General description 6.5.2 Exposure lamp (EXP) 6.5.3 Control circuit for the exposure lamp 6.6 General Description of CCD Control 6.6.1 Opto-electronic conversion 6.6.2 Shading correction 6.7 Automatic Original Size Detection Circuit 6.7.1 Principle of original size detection 6.7.2 Process of detection of original size 6.8 Disassembly and Replacement 7. IMAGE PROCESSING 7.1 General Description 7.2 Construction 7.3 SYSTEM CONTROL PC BOARD (SYS) 7.3.1 Features 7.3.2 Functions of image processing circuit 7.4 LOGIC PC BOARD (LGC) 7.4.1 Features 7.4.2 Functions of image processing circuit 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 (M4) 8.6 Laser Driving PC Board (LDR) 8.7 Disassembly and Replacement 9.

DRIVE SYSTEM 9.1 General Description 9.2 Main Motor (M6) 9.2.1 Construction 9.2.2 Drive circuit of main motor 9.3 Transport Motor (M9) 9.3.1 Construction 9.3.2 Drive circuit of transport motor 9.4 Developer Motor (M11) 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 Construction 10.3 Functions 10.4 Description of Operation 10.4.1 Drive of rollers 10.4.2 Operation of bypass pickup roller 10.4.3 Operation of drawer pickup roller 10.4.4 Separation of paper 10.4.5 General operation 10.5 Drive Circuit of Tray-up Motor 10.6 Disassembly and Replacement 11. DRUM RELATED SECTION 11.1 General Description 11.2 Construction 11.3 Functions 11.4 Output Control Circuits of High-Voltage Transformer 11.5 Drum Temperature Detection Circuit 11.6 Temperature/Humidity Sensor (S19) 11.6.1 General description 11.6.2 Construction 11.7 Charger Wire Cleaner 11.7.1 Operation 11.7.2 Construction 11.7.3 Drive circuit 11.8 Disassembly and Replacement 12. DEVELOPER UNIT 12.1 General Description 12.2 Construction 12.3 Black Toner Cartridge Drive Unit 12.3.1 General descriptions 12.3.2 Toner motor (M3) 12.4 Black Developer Unit 12.4.1 Functions 12.4.2 Black developer unit drive section 12.4.3 Black auto-toner sensor circuit 12.4.4 Black developer unit lifting mechanism 12.5 Color Developer Unit 12.5.1 Functions 12.5.2 Color developer unit drive section 12.5.3 Color auto-toner sensor circuit 12.5.4 Color toner supply 12.6 High-Voltage Transformer Output Control Circuit 12.7 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 13.6 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 Transformer Output Control Circuit 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 Construction 16.3 Functions 16.4 Operation 16.5 Heater Control Circuit 16.5.1 Configuration 16.5.2 Heating principle of IH Heater 16.5.3 IH control circuit interface 16.5.4 Relation between system configuration and IH output 16.5.5 Abnormality in the IH control circuit 16.5.6 Temperature detection section 16.6 Control Circuit of Exit Motor 16.7 Disassembly and Replacement 17. AUTOMATIC DUPLEXING UNIT (ADU) 17.1 General Description 17.2 Construction 17.3 Functions 17.4 Drive of ADU 17.5 Description of Operations 17.6 Flow Chart 17.7 Disassembly and Replacement 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 Contents for SERVICE HANDBOOK: 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 2.1.3 Error in Internet FAX / Scanning Function 2.1.4 Printer function error 2.2 Self-diagnosis Modes 2.2.1 Input check (Test mode 03) 2.2.2 Output check (test mode 03) 2.2.3 Test print mode (test mode 04) 2.2.4 Adjustment mode (05) 2.2.5 Setting mode (08) 2.2.6 Pixel counter 2.2.7 Classification List of Adjustment Mode (05) / Setting Mode (08) 3.