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Canon FY8-23AV-000 C. Lamp, Heater, Motor, and Others

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CHAPTER 6 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS

6-3

C. Lamp, Heater, Motor, and Others

FU2

TH1

Figure 6-1C

Symbol Name Notation Description

Heater

Motor

Thermistor

Thermal fuse

TH1

FU2

Fixing heater

Main motor

Fixing heater temperature detection

Fixing heater overheating detection

Contents

Main IMPORTANT COPYRIGHT 1998 CANON INC. Printed in Japan Imprim au Japon CONTENTS CHAPTER 1 MAINTENANCE AND INSPECTION CHAPTER 2 STANDARDS AND ADJUSTMENTS CHAPTER 3 IMAGE TROUBLESHOOTING CHAPTER 4 TROUBLESHOOTING MALFUNCTIONS CHAPTER 5 TROUBLESHOOTING PAPER FEED PROBLEMS CHAPTER 6 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS Page Page CHAPTER 1 MAINTENANCE AND INSPECTION D. Notes on Cartridge Page Page 1-5 E. Image Adjustment Basic Procedure <Pre-Checks> <Optimum Density Adjustment> 1-6 F. Points to Note CHAPTER 2 STANDARDS AND ADJUSTMENTS A. Mechanical B. Electrical Page Page Page Page CHAPTER 3 IMAGE TROUBLESHOOTING A. Making Initial Checks Page Page Page Page Page 3-7 C. Troubleshooting by Image Fault 3-8 4. The copy has uneven density (darker at front). 5. The copy has uneven density (lighter at front). 6. The copy is foggy (overall). 3-9 3-10 12. The copy has white spots (cross feed direction). 13. The back of the copy is soiled. 3-11 14. The copy has faulty fixing. 3-12 18. The copy has a blurred image. 20. The copy has poor sharpness (focus). 19. The copy is foggy (cross feed direction). 3-13 21. The copy is blank. 22. The copy is solid black. Page 4-1 CHAPTER 4 TROUBLESHOOTING MALFUNCTIONS 2. E0 A. Troubleshooting Malfunctions 1. (self diagnosis; PC400/FC200) 4-2 3. E2 4. E6 4-3 5. E9 6. AC power is absent. 4-4 7. Pick-up fails. 8. The scanning lamp fails to go ON. 4-5 9. The main motor fails to rotate. 10. The copyboard fails to move. 4-6 11. (paper feeding normally) 12. (at time of jam) 13. The fixing heater fails to operate. Page 5-2 1. Pick-Up Assembly 2. Separation/Feeding Assembly 5-3 3. Fixing/Delivery Assembly 5-4 B. Feeding Faults 1. Double Feeding 2. Wrinkles 6-1 CHAPTER 6 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS A. Sensors and Solenoids Figure 6-1A 6-2 B. Switches Figure 6-1B 6-3 C. Lamp, Heater, Motor, and Others Figure 6-1C 6-4 D. Printed Circuit Board (PCB) Figure 6-1D E. Variable Resistors (VR) and Check Pins by PCB Page CHAPTER 7 SELF DIAGNOSIS Page A-1 APPENDIX A. General Timing Chart PC400/FC200 General Timing Chart (A4, 2 copies) A-2 PC420/430/FC220 General Timing Chart (A4, 2 copies) B. Signals/Abbreviations List Page A-5 100V Color Code M1 C. General Circuit Diagram PC400/FC200 GENERAL CIRCUIT DIAGRAM A-6 PC420/430/FC220 GENERAL CIRCUIT DIAGRAM Color Code drive solenoid Thermal fuse 2 D. Special Tools Table A-8 E. Solvents/Oils Table A-9 F. Specifications A-10