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Toshiba 4550

Service Manual
Service Handbook

www.electronicsrepair.net

Summary of Contents for 4550

Page 1: ...Toshiba 4550 Service Manual Service Handbook www electronicsrepair net ...

Page 2: ...2 2510302 0 3 3 Comparison with the 4010 of Copying Process Conditions 3 10 4550310 0 4 GENERAL COPIER OPERATION 4 1 4010401 2 4 1 Operation Outline 4 1 4010401 0 4 2 Descriptions of Operation 4 1 4010401 0 4 2 1 Operation up to Standby State after Power On 4 1 4010401 0 4 2 2 Standby Ready 4 1 4010401 0 4 2 3 Automatic Feed Copying Using the PRINT Key 4 2 4010402 0 4 2 4 Bypass Feed Copying 4 5 2...

Page 3: ...747 0 7 8 4 Adjustment of Carriages 1 and 2 7 43 2510747 0 7 8 5 Adjustment of Mirrors and Lens 7 44 4550744 0 7 8 5 1 Adjustment of Focus and Horizontal Reproduction Ratio 7 44 4550744 0 7 8 5 2 Optical Axis Adjustment 7 46 4550746 0 7 8 5 3 Image Distortion 7 48 4550748 0 7 8 5 4 Image Inclination 7 49 4550749 0 7 8 5 5 Side Deviation of Lens Unit 7 50 4550750 0 7 8 6 Installation of Red Filter ...

Page 4: ...6 1 General Description 9 9 4550909 0 9 6 2 Circuit Description 9 9 4550909 0 9 7 Disassembly and Replacement 9 11 4550911 0 9 8 Adjustment 9 20 4550920 0 9 8 1 Adjustment and Detection of Main Charger Output of High Voltage 4550920 0 Transformer 9 20 4550920 0 9 8 2 Adjustment and Detection of Transfer Output of High Voltage 2510915 0 Transformer 9 22 2510915 0 9 8 3 Adjustment and Detection of S...

Page 5: ... 8 2511307 0 13 5 1 Stack Guide Unit 13 8 2511307 0 13 5 2 Transport System 13 11 2511310 0 13 5 3 Drive System 13 17 4551317 0 13 5 4 Switches 13 21 4011320 0 13 6 Adjustment 13 24 2511322 0 13 6 1 Adjustment of Stack Guides 13 24 2511322 0 13 6 1 1 Installing the Stack Guide Unit 13 24 2511322 0 13 6 1 2 Adjusting the Stack Guide Unit in Position 13 24 2511322 0 13 6 1 3 Adjusting ADD Side Devia...

Page 6: ...cuit 15 44 4551544 0 15 12 7 Clutch Solenoid Output Circuit 15 45 4551545 0 15 12 8 ADF Cover Switch ADF Set Switch 15 45 4551545 0 15 13 Adjustment 15 46 4551546 0 15 13 1 Independent Operation Mode Test Mode 15 46 4551546 0 15 13 1 1 How to Use the Test Mode 15 46 4551546 0 15 13 2 Height Adjustment of Magnets 15 49 4551549 0 15 13 3 Adjustment of Separation Section 15 50 4551550 0 15 13 4 Adjus...

Page 7: ... 2511516 0 16 6 1 Adjustment of 24V DC Power Supply 16 16 2511516 0 19 JIGS AND SUPPLIES 19 1 4011801 2 19 1 List of Adjustment Jigs Used 19 1 4011801 0 19 2 TOSHIBA Supplies List 19 2 2511802 0 19 3 Grease Oil Powder List 19 4 2511804 0 19 4 Precautions for Storing and Handling Supplies 19 6 2511806 0 19 4 1 Precautions for Storing TOSHIBA Supplies 19 6 2511806 0 19 4 2 Inspecting and Cleaning OP...

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Page 380: ...4 4H50224 0 2 8 7 Adjustment of Editing Position Trimming and Masking Copying 2 26 2H10228 0 2 8 8 Adjustment of Leading Edge Void and Trailing Edge Void 2 27 4H50227 0 2 9 Check Adjustment of High Voltage Transformer 2 28 2H10224 0 2 9 1 Check Adjustment of Main Transfer and Separation Charger Outputs 2 28 2H10224 0 2 9 2 Check Adjustment of Developer Bias Voltage 2 30 2H10226 0 2 10 Adjustment o...

Page 381: ...very 40 000 Copies 4 1 2H10401 0 4 2 Inspention and Overhaul every 240 000 Copies 4 1 2H10401 0 4 3 Periodic Inspection Check List 4 1 2H10401 0 4 4 Oiling Cycle Table 4 21 4H50421 0 4 5 Replacement Schedule of Disposable Parts and Supplies 4 22 4H50422 0 5 PRECAUTIONS FOR STORING AND HANDLING SUPPLIES 5 1 2511806 2 5 1 Precautions for Storing TOSHIBA Supplies 5 1 2511806 0 5 2 Inspecting and Clea...

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