Service Manual
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...Transfer charging roller • Static eliminator AE sensor PCB Thermistor • Scanner thermistor • Fixing thermistor Control panel Main motor Main driver PCB motor Solenoid • Pickup clutch solenoid • Registration clutch solenoid • Lens solenoid • Multifeeder pickup solenoid •...switch Scanner/ lens drive motor Scanner cooling fan Sensor/ switch ADF ADF load Figure 2-102 2-2 COPYRIGHT © 1999 CANON INC. Outline of Electrical Circuitry The machine's major electric mechanisms are controlled by the microprocessor mounted on the DC controller ...
...Transfer charging roller • Static eliminator AE sensor PCB Thermistor • Scanner thermistor • Fixing thermistor Control panel Main motor Main driver PCB motor Solenoid • Pickup clutch solenoid • Registration clutch solenoid • Lens solenoid • Multifeeder pickup solenoid •...switch Scanner/ lens drive motor Scanner cooling fan Sensor/ switch ADF ADF load Figure 2-102 2-2 COPYRIGHT © 1999 CANON INC. Outline of Electrical Circuitry The machine's major electric mechanisms are controlled by the microprocessor mounted on the DC controller ...
Service Manual
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...the constant speed state signal (MLOCK=0) to have fluctuations, the MLOCK signal goes '1'. The main motor driver PCB sends the constant speed state signal (MLOCK=0) to rotate the main motor (M1). c. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) While the main motor is ... signal goes '1'. CHAPTER 2 BASIC OPERATION 2. Rotating the Main Motor at the same time, indicate 'E010' in the display. 2-6 COPYRIGHT © 1999 CANON INC. Detecting an Error (E010) If the rotation of the motor starts to the rotation of the motor while the motor is generated, the rotation...
...the constant speed state signal (MLOCK=0) to have fluctuations, the MLOCK signal goes '1'. The main motor driver PCB sends the constant speed state signal (MLOCK=0) to rotate the main motor (M1). c. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) While the main motor is ... signal goes '1'. CHAPTER 2 BASIC OPERATION 2. Rotating the Main Motor at the same time, indicate 'E010' in the display. 2-6 COPYRIGHT © 1999 CANON INC. Detecting an Error (E010) If the rotation of the motor starts to the rotation of the motor while the motor is generated, the rotation...
Service Manual
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...Developing cylinder Transfer charging roller Static eliminator HVT board M1 Main motor Main motor driver PCB Highvoltage circuit block +24V Microprocessor Communication with the composite power supply J103-6 MMD J104-1 MLOCK See p. 2-5. COPYRIGHT © 1999 CANON INC. Outputs from the DC Controller (1/2) Line filter LF1 J201-2 (220/240V... LA1 Thermal fuse 1 J910-3 -1 Transformer Fixing heater activation circuit Scanning lamp activation circuit J104-2 HEAT_TRG When '0', the fixing heater turns on. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 2-9
...Developing cylinder Transfer charging roller Static eliminator HVT board M1 Main motor Main motor driver PCB Highvoltage circuit block +24V Microprocessor Communication with the composite power supply J103-6 MMD J104-1 MLOCK See p. 2-5. COPYRIGHT © 1999 CANON INC. Outputs from the DC Controller (1/2) Line filter LF1 J201-2 (220/240V... LA1 Thermal fuse 1 J910-3 -1 Transformer Fixing heater activation circuit Scanning lamp activation circuit J104-2 HEAT_TRG When '0', the fixing heater turns on. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 2-9
Service Manual
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... hand, its speed remains the same regardless of rotation changes to move the scanner forward or in Direct). when moving the scanner forward in reverse. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Scanner Drive System 1. The scanner/lens drive motor dives the lens drive system as... SC_B* SC_B SC_COM SC_A* SC_A PS1 Light-blocking plate Scanner home position signal (SCHP) Scanner home position sensor (PS1) J110-1 -2 -3 -4 -5 -6 J101-1 Figure 3-104 Q109 Motor driver circuit DC controller PCB 3-4 COPYRIGHT © 1999 CANON INC.
... hand, its speed remains the same regardless of rotation changes to move the scanner forward or in Direct). when moving the scanner forward in reverse. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Scanner Drive System 1. The scanner/lens drive motor dives the lens drive system as... SC_B* SC_B SC_COM SC_A* SC_A PS1 Light-blocking plate Scanner home position signal (SCHP) Scanner home position sensor (PS1) J110-1 -2 -3 -4 -5 -6 J101-1 Figure 3-104 Q109 Motor driver circuit DC controller PCB 3-4 COPYRIGHT © 1999 CANON INC.
Service Manual
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CHAPTER 3 EXPOSURE SYSTEM 5. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3-7 Outline The scanner/lens drive motor (M2) is controlled to turn on/ off the ... PCB +24VU R399 J110 SC-COM SC-COM Microprocessor A A* B B* Current switching signal 1 Current switching signal 2 Current switching signal 3 (Q109) Motor driver circuit SC-A SC-A* SC-B SC-B* M2 COPYRIGHT © 1999 CANON INC. The timing at which the drive power (SC-COM) and pulses (SC-A, SCA*, SC-B, SC-B*) are generated is a 4-phase stepping...
CHAPTER 3 EXPOSURE SYSTEM 5. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3-7 Outline The scanner/lens drive motor (M2) is controlled to turn on/ off the ... PCB +24VU R399 J110 SC-COM SC-COM Microprocessor A A* B B* Current switching signal 1 Current switching signal 2 Current switching signal 3 (Q109) Motor driver circuit SC-A SC-A* SC-B SC-B* M2 COPYRIGHT © 1999 CANON INC. The timing at which the drive power (SC-COM) and pulses (SC-A, SCA*, SC-B, SC-B*) are generated is a 4-phase stepping...
Service Manual
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... current flowing to the motor so that it varies according to the state of its rotation according to 3 generated by the microprocessor (Q101). CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Caution: The fuse (R339) will blow to cut the power to... the scanner/lens drive motor (M2) through SC-B*). CHAPTER 3 EXPOSURE SYSTEM b. In response, it has blown. 3-8 COPYRIGHT © 1999 CANON INC. Any of drive pulses (SC-A*through the motor driver circuit. The current switching signals from the control panel PCB copying mode settings (e.g., reproduction ratio).
... current flowing to the motor so that it varies according to the state of its rotation according to 3 generated by the microprocessor (Q101). CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Caution: The fuse (R339) will blow to cut the power to... the scanner/lens drive motor (M2) through SC-B*). CHAPTER 3 EXPOSURE SYSTEM b. In response, it has blown. 3-8 COPYRIGHT © 1999 CANON INC. Any of drive pulses (SC-A*through the motor driver circuit. The current switching signals from the control panel PCB copying mode settings (e.g., reproduction ratio).
Service Manual
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CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 7-3 Outline of the Power Supply System Door switch DS1 Power plug Noise filter circuit ... +24VR DC +24VU controller PCB +24VU Solenoid Scanner/lens drive motor (M2) +24VU Scanner cooling fan +24VU Blanking lamp +24VU Main motor/ main motor M1 driver PCB Fixing heater Scanning lamp Primary charging roller Developing roller Transfer roller Static eliminator Figure 7-201 COPYRIGHT © 1999...
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 7-3 Outline of the Power Supply System Door switch DS1 Power plug Noise filter circuit ... +24VR DC +24VU controller PCB +24VU Solenoid Scanner/lens drive motor (M2) +24VU Scanner cooling fan +24VU Blanking lamp +24VU Main motor/ main motor M1 driver PCB Fixing heater Scanning lamp Primary charging roller Developing roller Transfer roller Static eliminator Figure 7-201 COPYRIGHT © 1999...
Service Manual
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...24V Q1 CPU PM1 PM0 Q5 Motor driver PMRD1 PMRD1* Pickup motor M2 Figure 8-121 Motor drive signal (PM0) '1' '1' '0' '0' Motor drive signal (PM1) '1' '0' '1' '0' Table 8-102 Pickup roller rotation Braked Picking up Delivering At reset (free) 8-14 COPYRIGHT © 1999 CANON INC. When the limiter function is ... sends the motor drive signals PM0 and PM1 to the combinations of the states of the control circuit for each combination.) The motor driver is activated, the pickup motor cannot rotate as controlled, possibly leading to the motor. Outline Figure 8-121 is a DC motor....
...24V Q1 CPU PM1 PM0 Q5 Motor driver PMRD1 PMRD1* Pickup motor M2 Figure 8-121 Motor drive signal (PM0) '1' '1' '0' '0' Motor drive signal (PM1) '1' '0' '1' '0' Table 8-102 Pickup roller rotation Braked Picking up Delivering At reset (free) 8-14 COPYRIGHT © 1999 CANON INC. When the limiter function is ... sends the motor drive signals PM0 and PM1 to the combinations of the states of the control circuit for each combination.) The motor driver is activated, the pickup motor cannot rotate as controlled, possibly leading to the motor. Outline Figure 8-121 is a DC motor....
Service Manual
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... faults. If loads large enough to activate the limiter function occur in succession, the belt motor cannot rotate as specified, possibly leading to the motor driver (Q4). The CPU (Q1) on the controller and stop the belt motor at the same time. Q1 A CPU A* B B* ADF controller PCB ...+24V MA Q4 Motor driver MA* MB MB* Belt motor M1 Figure 8-122 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8-15 Outline Figure 8-122 is a 4-phase ...
... faults. If loads large enough to activate the limiter function occur in succession, the belt motor cannot rotate as specified, possibly leading to the motor driver (Q4). The CPU (Q1) on the controller and stop the belt motor at the same time. Q1 A CPU A* B B* ADF controller PCB ...+24V MA Q4 Motor driver MA* MB MB* Belt motor M1 Figure 8-122 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8-15 Outline Figure 8-122 is a 4-phase ...
Service Manual
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... on the composite power supply PCB to the composite power supply PCB; Replace the main motor (M1). Check the wiring from the main motor driver PCB to J103 and J105, respectively, on the DC controller PCB normal? End. Thermistor (TH1) Composite power supply PCB DC controller PCB ...the thermistor (TH1) normal? Is the problem corrected? Is the voltage between J207-1 and -2 on the fixing heater side? COPYRIGHT © 1999 CANON INC. CHAPTER 11 TROUBLESHOOTING 4 E002, E003 Cause Thermistor (TH1) Step 1 Checks Is the connection of J102 on the DC controller PCB and the...
... on the composite power supply PCB to the composite power supply PCB; Replace the main motor (M1). Check the wiring from the main motor driver PCB to J103 and J105, respectively, on the DC controller PCB normal? End. Thermistor (TH1) Composite power supply PCB DC controller PCB ...the thermistor (TH1) normal? Is the problem corrected? Is the voltage between J207-1 and -2 on the fixing heater side? COPYRIGHT © 1999 CANON INC. CHAPTER 11 TROUBLESHOOTING 4 E002, E003 Cause Thermistor (TH1) Step 1 Checks Is the connection of J102 on the DC controller PCB and the...
Service Manual
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...GND To DC 2 24V controller 3 5V PCB 4 5V 5 GND 6 24V J205 1 - See the descriptions under "E0." Is the voltage between J201-1 and -2 on . CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) To main 2 - Set the meter range to turn on the composite power supply PCB... cause of the problem, and replace the fuse. NO Replace the composite power supply PCB. 11-68 11-68 COPYRIGHT © 1999 CANON INC. motor 3 GND driver 4 24V PCB Action See "AC power fails to turn on the composite power supply PCB? Fuse Composite power supply PCB Table 11-401...
...GND To DC 2 24V controller 3 5V PCB 4 5V 5 GND 6 24V J205 1 - See the descriptions under "E0." Is the voltage between J201-1 and -2 on . CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) To main 2 - Set the meter range to turn on the composite power supply PCB... cause of the problem, and replace the fuse. NO Replace the composite power supply PCB. 11-68 11-68 COPYRIGHT © 1999 CANON INC. motor 3 GND driver 4 24V PCB Action See "AC power fails to turn on the composite power supply PCB? Fuse Composite power supply PCB Table 11-401...
Service Manual
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GENERAL CIRCUIT DIAGRAM MAIN MOTOR DRIVER PCB 1. Copier J901 1 2 3 4 Main motor M1 M BP701 BP705 PR +24VU GND MMD MLOCK [120V] H N FT2 FT4 FT1 FT3 J1 DS1 Door switch JP502 JP501 J501 2 1 ... Lens home Single-feeder position sensor paper sensor (Single-feeder type only) SL5 Cassette pickup solenoid PS4 Vertical path roller paper sensor COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) J751 3 2 1 Q751 Pre-registration roller paper sensor SENSOR PCB M 12 12 J601 J602...
GENERAL CIRCUIT DIAGRAM MAIN MOTOR DRIVER PCB 1. Copier J901 1 2 3 4 Main motor M1 M BP701 BP705 PR +24VU GND MMD MLOCK [120V] H N FT2 FT4 FT1 FT3 J1 DS1 Door switch JP502 JP501 J501 2 1 ... Lens home Single-feeder position sensor paper sensor (Single-feeder type only) SL5 Cassette pickup solenoid PS4 Vertical path roller paper sensor COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) J751 3 2 1 Q751 Pre-registration roller paper sensor SENSOR PCB M 12 12 J601 J602...