Service Manual
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CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) All ... of the DC controller PCB to the loads. Note: The descriptions in the machine. ii COPYRIGHT © 1998 CANON INC. Therefore, the operations of the microprocessors used in the machines are not discussed: they are explained in terms ...the DC controller PCB and from circuit to circuit.) In practically all relevant Service Information bulletins and be checked in supplying the machine with reference to the timing of mechanical drive where a sig- The expression "turn on the power"...
CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) All ... of the DC controller PCB to the loads. Note: The descriptions in the machine. ii COPYRIGHT © 1998 CANON INC. Therefore, the operations of the microprocessors used in the machines are not discussed: they are explained in terms ...the DC controller PCB and from circuit to circuit.) In practically all relevant Service Information bulletins and be checked in supplying the machine with reference to the timing of mechanical drive where a sig- The expression "turn on the power"...
Service Manual
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...-Up Roller Assembly.......5-11 1. OUTLINE OF OPERATIONS .......6-1 A. Controlling the Supply Power to the Fixing Heater 6-3 D. MECHANICAL SYSTEM 6-6 A. Operations 4-11 F. Photosensitive Drum 4-19 1. PC420/430/FC220 5-2 B. CONTROLLING THE REGISTRATION ROLLER...........5-4 A. CHECKING FOR JAMS 5-6 A. Pick-Up Delay Jam (PC420/430/FC220 5-8 D. Fixing Assembly 6-7 iv COPYRIGHT © 1998 CANON INC. Operations 4-4 D. Controlling Developing Bias....4-6 1. Outline 4-14 2. Detaching...
...-Up Roller Assembly.......5-11 1. OUTLINE OF OPERATIONS .......6-1 A. Controlling the Supply Power to the Fixing Heater 6-3 D. MECHANICAL SYSTEM 6-6 A. Operations 4-11 F. Photosensitive Drum 4-19 1. PC420/430/FC220 5-2 B. CONTROLLING THE REGISTRATION ROLLER...........5-4 A. CHECKING FOR JAMS 5-6 A. Pick-Up Delay Jam (PC420/430/FC220 5-8 D. Fixing Assembly 6-7 iv COPYRIGHT © 1998 CANON INC. Operations 4-4 D. Controlling Developing Bias....4-6 1. Outline 4-14 2. Detaching...
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...Supply PCB 7-2 C. Detaching the Body Cover 7-5 3. Detaching the Delivery Assembly Cover 7-7 5. SELECTING THE SITE 8-1 II. RELOCATING THE MACHINE ....8-5 CHAPTER 9 MAINTENANCE AND SERVICING I . PERIODICALLY REPLACED PARTS 9-1 II. MAINTENANCE AND INSPECTION ADJUSTMENTS 10-5 10-3 A. CANON PC400/420/430...2. Procedure 10-3 Image Width (position of glass).....10-5 II. Image Leading Edge Margin COPYRIGHT © 1998 CANON INC. POWER SUPPLY 7-1 A. External Covers 7-4 1. Detaching the Control Panel PCB 7-14 CHAPTER 8 INSTALLATION I . Image Adjustment ...
...Supply PCB 7-2 C. Detaching the Body Cover 7-5 3. Detaching the Delivery Assembly Cover 7-7 5. SELECTING THE SITE 8-1 II. RELOCATING THE MACHINE ....8-5 CHAPTER 9 MAINTENANCE AND SERVICING I . PERIODICALLY REPLACED PARTS 9-1 II. MAINTENANCE AND INSPECTION ADJUSTMENTS 10-5 10-3 A. CANON PC400/420/430...2. Procedure 10-3 Image Width (position of glass).....10-5 II. Image Leading Edge Margin COPYRIGHT © 1998 CANON INC. POWER SUPPLY 7-1 A. External Covers 7-4 1. Detaching the Control Panel PCB 7-14 CHAPTER 8 INSTALLATION I . Image Adjustment ...
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... B. Switches 10-35 C. DC Controller/DC Power Supply PCB 10-38 2. SIGNALS/ABBREVIATIONS LISTA-3 1. Double Feeding 10-33 2. Lamp, Heater, Motor, and Others 10-36 D. SELF DIAGNOSIS 10-40 APPENDIX A. Abbreviations A-4 C. GENERAL CIRCUIT DIAGRAM...A-5 D. Control Panel PCB.........10-39 VII. Signals A-3 2. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN...
... B. Switches 10-35 C. DC Controller/DC Power Supply PCB 10-38 2. SIGNALS/ABBREVIATIONS LISTA-3 1. Double Feeding 10-33 2. Lamp, Heater, Motor, and Others 10-36 D. SELF DIAGNOSIS 10-40 APPENDIX A. Abbreviations A-4 C. GENERAL CIRCUIT DIAGRAM...A-5 D. Control Panel PCB.........10-39 VII. Signals A-3 2. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN...
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Others COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-3 CHAPTER 1 GENERAL DESCRIPTION Item PC400/FC200 PC420/430/FC220 Temperature 7.5° to 32.5°C/45.5° to 90.5°F Operating Humidity environment... 5% to 85% Atmospheric pressure 810.6 hPa to 1013.3 hPa (0.8 to change without notice. Specifications subject to 1 atm) 120V, 60Hz Power supply Serial numbers ZTG !!!!!...
Others COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-3 CHAPTER 1 GENERAL DESCRIPTION Item PC400/FC200 PC420/430/FC220 Temperature 7.5° to 32.5°C/45.5° to 90.5°F Operating Humidity environment... 5% to 85% Atmospheric pressure 810.6 hPa to 1013.3 hPa (0.8 to change without notice. Specifications subject to 1 atm) 120V, 60Hz Power supply Serial numbers ZTG !!!!!...
Service Manual
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OPERATION A. PC420/430/FC220 3 654 AE A Error indications : Check jam/Supply paper : Jam and : Check error and : Check error and : Check ...• During continuous copying, the key serves as a Clear key, setting the copy count to ' '. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) t Copy Count Indicator • Displays .... • ' ' is displayed to an error found by varying the developing bias. 1-6 COPYRIGHT © 1998 CANON INC. i Copy Start Key o Power Switch !0 Density Correction Switch • Switches copy density among three settings ...
OPERATION A. PC420/430/FC220 3 654 AE A Error indications : Check jam/Supply paper : Jam and : Check error and : Check error and : Check ...• During continuous copying, the key serves as a Clear key, setting the copy count to ' '. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) t Copy Count Indicator • Displays .... • ' ' is displayed to an error found by varying the developing bias. 1-6 COPYRIGHT © 1998 CANON INC. i Copy Start Key o Power Switch !0 Density Correction Switch • Switches copy density among three settings ...
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CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION B. Copyboard position sensor Q Delivery sensor Pick-up sensor Photointerrupter Fixing heater temperature sensor TH1 Thermistor Power switch Control key Microprocessor Driver assembly DC controller/DC power supply... cylinder Q101 +DC5V Sub power supply circuit +DC24V +DC5V DC power supply PCB Display Door switch Delivery door switch Relay AC driver Driver Heater AC load Scanning lamp Figure 2-101B 2-2 COPYRIGHT © 1998 CANON INC. According to the program stored...
CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION B. Copyboard position sensor Q Delivery sensor Pick-up sensor Photointerrupter Fixing heater temperature sensor TH1 Thermistor Power switch Control key Microprocessor Driver assembly DC controller/DC power supply... cylinder Q101 +DC5V Sub power supply circuit +DC24V +DC5V DC power supply PCB Display Door switch Delivery door switch Relay AC driver Driver Heater AC load Scanning lamp Figure 2-101B 2-2 COPYRIGHT © 1998 CANON INC. According to the program stored...
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... (constant) The main motor (M1) is a DC motor and is slowed down. Operation The drive circuit on the DC controller/DC power supply PCB causes the main motor drive command (MMD) to serve as a clock pulse generator. Outline Figure 2-101D shows the circuit that the rotation...) (-) M1 Main motor Q901 Motor rotation detection PCB Main motor clock pulse -1 signal (MMCLK) DC controller/DC power supply PCB Figure 2-101D COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2-5 The speed control circuit controls the speed of the...
... (constant) The main motor (M1) is a DC motor and is slowed down. Operation The drive circuit on the DC controller/DC power supply PCB causes the main motor drive command (MMD) to serve as a clock pulse generator. Outline Figure 2-101D shows the circuit that the rotation...) (-) M1 Main motor Q901 Motor rotation detection PCB Main motor clock pulse -1 signal (MMCLK) DC controller/DC power supply PCB Figure 2-101D COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2-5 The speed control circuit controls the speed of the...
Service Manual
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... 1. Figure 2-101E 2-6 COPYRIGHT © 1998 CANON INC. Inputs to 0V) Control panel PCB Note: The pin No. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) PC420/430/FC220 only) Power switch Density adjustment dial/lever ...power switch goes ON. CHAPTER 2 BASIC OPERATION E. in parentheses refers to DC Controller (1/2) DC controller/DC power supply PCB AC power supply Door switch SW1 Delivery door switch SW2 J104 J103 Density correction switch (PC420/430/ FC220) SW606 0 1 2 (bottom: lightens) (top: darkens) J601 -20(-15) J601 -2 J601 ...
... 1. Figure 2-101E 2-6 COPYRIGHT © 1998 CANON INC. Inputs to 0V) Control panel PCB Note: The pin No. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) PC420/430/FC220 only) Power switch Density adjustment dial/lever ...power switch goes ON. CHAPTER 2 BASIC OPERATION E. in parentheses refers to DC Controller (1/2) DC controller/DC power supply PCB AC power supply Door switch SW1 Delivery door switch SW2 J104 J103 Density correction switch (PC420/430/ FC220) SW606 0 1 2 (bottom: lightens) (top: darkens) J601 -20(-15) J601 -2 J601 ...
Service Manual
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When surface temperature of main motor are generated. in parentheses refers to DC Controller (2/2) Delivery detection PCB DC controller/DC power supply PCB Delivery detection Q801 J801 J603 Fixing heater surface temperature detection J603 -1 TH1 -2 -3 -1 -2 -3 -5 -4 J601 -15(-10) J601 -12... DGT1 J202 -11 KEYR0 J202 -12 TH1 Oscillation signal (output) When Q801 detects copy paper, oscillation signal (DGT1) is input. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2-7 J621 PD601 J601 PD602 AE sensor/ intensity sensor Control panel PCB...
When surface temperature of main motor are generated. in parentheses refers to DC Controller (2/2) Delivery detection PCB DC controller/DC power supply PCB Delivery detection Q801 J801 J603 Fixing heater surface temperature detection J603 -1 TH1 -2 -3 -1 -2 -3 -5 -4 J601 -15(-10) J601 -12... DGT1 J202 -11 KEYR0 J202 -12 TH1 Oscillation signal (output) When Q801 detects copy paper, oscillation signal (DGT1) is input. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2-7 J621 PD601 J601 PD602 AE sensor/ intensity sensor Control panel PCB...
Service Manual
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CHAPTER 2 BASIC OPERATION F. J102 Fixing heater Scanning lamp LA1 to LA8 Thermal fuse 1 J906 FU1 J108 -1 -1 -2 -2 See Chap.3. Outputs from DC Controller 1. Figure 2-101F 2-8 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Outputs from DC Controller (1/2) DC controller/DC power supply PCB Thermal fuse 2 FU2 H1 J101 See Chap.6. Lamp PCB J903 -1 Main motor M1 -2 +24V J201 -5 -4 MMD When '0', main motor goes ON. High voltage output See Chap.4.
CHAPTER 2 BASIC OPERATION F. J102 Fixing heater Scanning lamp LA1 to LA8 Thermal fuse 1 J906 FU1 J108 -1 -1 -2 -2 See Chap.3. Outputs from DC Controller 1. Figure 2-101F 2-8 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Outputs from DC Controller (1/2) DC controller/DC power supply PCB Thermal fuse 2 FU2 H1 J101 See Chap.6. Lamp PCB J903 -1 Main motor M1 -2 +24V J201 -5 -4 MMD When '0', main motor goes ON. High voltage output See Chap.4.
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... ON. (voltage to SL2 is switched between 24V and 15V to ensure stable operation) Figure 2-103F COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2-9 CHAPTER 2 BASIC OPERATION 2. PC400/FC200 Registration solenoid... J901 -1 SL1 -2 Figure 2-102F DC controller/DC power supply PCB J201 +24V -7 -6 RGSD When '0', SL1 goes ON. Copyboard drive solenoid J902 -1...
... ON. (voltage to SL2 is switched between 24V and 15V to ensure stable operation) Figure 2-103F COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2-9 CHAPTER 2 BASIC OPERATION 2. PC400/FC200 Registration solenoid... J901 -1 SL1 -2 Figure 2-102F DC controller/DC power supply PCB J201 +24V -7 -6 RGSD When '0', SL1 goes ON. Copyboard drive solenoid J902 -1...
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... timing for forward, reverse, and stop ) of the copyboard; In response to complete its movement within a specific period of time. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3-3 as the copyboard moves, the cam found under the copyboard ...Copyboard glass J201 Copyboard drive gear -10 Copyboard drive solenoid drive command (CBSD) J201 -9 Copyboard drive solenoid SL2 DC controller/ DC power supply PCB Forward Forward/Reverse Reverse gear switching mechanism gear J201 -4 Main motor drive command (MMD) M1 Main motor Figure 3-102B Front View ...
... timing for forward, reverse, and stop ) of the copyboard; In response to complete its movement within a specific period of time. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3-3 as the copyboard moves, the cam found under the copyboard ...Copyboard glass J201 Copyboard drive gear -10 Copyboard drive solenoid drive command (CBSD) J201 -9 Copyboard drive solenoid SL2 DC controller/ DC power supply PCB Forward Forward/Reverse Reverse gear switching mechanism gear J201 -4 Main motor drive command (MMD) M1 Main motor Figure 3-102B Front View ...
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... the scanning lamp is checked by the lamp intensity detection signal (LID) to prevent rush current occurring when the lamp turns on. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3-7 Outline Figure 3-201A shows the circuit that the original will...10 (-5) J202 -13 Lamp intensity sensor signal (LID) Control panel PCB DC controller/DC power supply PCB The number within parentheses represents the PC400/FC200. FIgure 3-201A COPYRIGHT © 1998 CANON INC. In addition, a rush current protection circuit is provided to ensure that controls the scanning lamp...
... the scanning lamp is checked by the lamp intensity detection signal (LID) to prevent rush current occurring when the lamp turns on. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3-7 Outline Figure 3-201A shows the circuit that the original will...10 (-5) J202 -13 Lamp intensity sensor signal (LID) Control panel PCB DC controller/DC power supply PCB The number within parentheses represents the PC400/FC200. FIgure 3-201A COPYRIGHT © 1998 CANON INC. In addition, a rush current protection circuit is provided to ensure that controls the scanning lamp...
Service Manual
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... corona high voltage Static eliminator Transfer charging high voltage Developing bias J202-13 -19 DC controller/DC power supply PCB Note : The AE sensor is provided for the PC420/430/FC220 only. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-1 Outline The copier's image formation system has...
... corona high voltage Static eliminator Transfer charging high voltage Developing bias J202-13 -19 DC controller/DC power supply PCB Note : The AE sensor is provided for the PC420/430/FC220 only. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-1 Outline The copier's image formation system has...
Service Manual
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CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-5 Transformer (T106) DC bias control circuit DC current detection CHPTER 4 IMAGE FORMATION SYSTEM Amplifier Transformer (T103) J6 Primary charging roller Photosensitive drum Oscillation control circuit Oscillation circuit Current detection AC bias ON command (HVPAC) DC bias ON command (HVPDC) DC bias high output command (HVPHO) Microprocessor DC controller/DC power supply PCB Figure 4-101C COPYRIGHT © 1998 CANON INC.
CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-5 Transformer (T106) DC bias control circuit DC current detection CHPTER 4 IMAGE FORMATION SYSTEM Amplifier Transformer (T103) J6 Primary charging roller Photosensitive drum Oscillation control circuit Oscillation circuit Current detection AC bias ON command (HVPAC) DC bias ON command (HVPDC) DC bias high output command (HVPHO) Microprocessor DC controller/DC power supply PCB Figure 4-101C COPYRIGHT © 1998 CANON INC.
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Transformer (T106) DC voltage detection DC bias control command (DCBPWM) AC bias timing pulse command (ACBTP) CHPTER 4 IMAGE FORMATION SYSTEM J7 5V Q146 Transformer (T104) Amplifier Photosensitive drum Developing cylinder AE signal AE J202 Density control dial VR601 Density correction switch SW606 Control panel PCB Microprocessor DC controller/DC power supply PCB Figure 4-104D COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-9
Transformer (T106) DC voltage detection DC bias control command (DCBPWM) AC bias timing pulse command (ACBTP) CHPTER 4 IMAGE FORMATION SYSTEM J7 5V Q146 Transformer (T104) Amplifier Photosensitive drum Developing cylinder AE signal AE J202 Density control dial VR601 Density correction switch SW606 Control panel PCB Microprocessor DC controller/DC power supply PCB Figure 4-104D COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-9
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CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-13 CHPTER 4 IMAGE FORMATION SYSTEM Photosensitive drum Transfer charging roller Transformer (T106) Positive bias ... bias ON command (TREV) Voltage sensor (analog signal) Transfer DC bias ON command (HVTDC) Transfer DC bias control command (DCTPWM) Microprocessor DC controller/DC power supply PCB Figure 4-101E COPYRIGHT © 1998 CANON INC.
CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-13 CHPTER 4 IMAGE FORMATION SYSTEM Photosensitive drum Transfer charging roller Transformer (T106) Positive bias ... bias ON command (TREV) Voltage sensor (analog signal) Transfer DC bias ON command (HVTDC) Transfer DC bias control command (DCTPWM) Microprocessor DC controller/DC power supply PCB Figure 4-101E COPYRIGHT © 1998 CANON INC.
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CHPTER 4 IMAGE FORMATION SYSTEM AE sensor PD602 Forward Scanning lamp Lens array J621 -2 J621 | -1 { Photosensitive drum Developing cylinder 4V (approx.) VR602 VR603 | { J601 J202 -4 -19 5V Amplifier circuit DC bias control circuit DCBPWM AE signal Microprocessor Control panel PCB DC controller/DC power supply PCB Figure 4-103F 4-16 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHPTER 4 IMAGE FORMATION SYSTEM AE sensor PD602 Forward Scanning lamp Lens array J621 -2 J621 | -1 { Photosensitive drum Developing cylinder 4V (approx.) VR602 VR603 | { J601 J202 -4 -19 5V Amplifier circuit DC bias control circuit DCBPWM AE signal Microprocessor Control panel PCB DC controller/DC power supply PCB Figure 4-103F 4-16 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Service Manual
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The copy paper is monitored by the registration roller so that its leading edge matches that of the PC400/FC200. DC controller/DC power supply PCB Delivery sensor signal Main motor drive command (MMD) Pick-up sensor signal Pick-up solenoid drive command (PUSD) Registration solenoid drive command ... in response to reach or move past the sensor, the copier identifies the condition as a jam and flashes 'Jam' on the photosensitive drum; CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 5-1 if copy paper fails to the activation of the pick-up sensor (...
The copy paper is monitored by the registration roller so that its leading edge matches that of the PC400/FC200. DC controller/DC power supply PCB Delivery sensor signal Main motor drive command (MMD) Pick-up sensor signal Pick-up solenoid drive command (PUSD) Registration solenoid drive command ... in response to reach or move past the sensor, the copier identifies the condition as a jam and flashes 'Jam' on the photosensitive drum; CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 5-1 if copy paper fails to the activation of the pick-up sensor (...