Service Manual
Page 91
... sheets and the sub thermistor (TH2) detects 255°C or more after you turned off . at the end of the fixing heater: a. b. CANON PC720/740/7501770 REV.() AUG. 1994 PRINTED IN JAPAN piPoit AU JAPAN) 3 - 51 In multifeeder manual mode, if the detected temperature of the main ...once again will be enabled. The data for a specific period of copies. 6. If an error associated with `E0', i.e., related to the fixing heater. er. Should the temperature at the same time, indicates an error code (E00 through 'E003' on the control panel and will turn off while 'E000' through ...
... sheets and the sub thermistor (TH2) detects 255°C or more after you turned off . at the end of the fixing heater: a. b. CANON PC720/740/7501770 REV.() AUG. 1994 PRINTED IN JAPAN piPoit AU JAPAN) 3 - 51 In multifeeder manual mode, if the detected temperature of the main ...once again will be enabled. The data for a specific period of copies. 6. If an error associated with `E0', i.e., related to the fixing heater. er. Should the temperature at the same time, indicates an error code (E00 through 'E003' on the control panel and will turn off while 'E000' through ...
Service Manual
Page 92
... spring and the wire. When the sensor (PS4) turns on, the fixing film is stopped and an error code (E0 and 07 alternately flashed) is equipped with a correction mechanism. CANON PC720114050/770 REV.O AUG.1994 PRINTEDIN JAPAN omplut AU JAPON) To correct such displacement, the copier is indicated... film PS4 FFD DC controller PCB (front) Tension roller Swing arm Tension wire Balance spring Figure 3-415 3 - 52 COPYRIGHT © 1994 CANON INC. When the fixing film has become displaced toward the front, the copier lowers the front of the tension roller. Correcting Displacement of the ...
... spring and the wire. When the sensor (PS4) turns on, the fixing film is stopped and an error code (E0 and 07 alternately flashed) is equipped with a correction mechanism. CANON PC720114050/770 REV.O AUG.1994 PRINTEDIN JAPAN omplut AU JAPON) To correct such displacement, the copier is indicated... film PS4 FFD DC controller PCB (front) Tension roller Swing arm Tension wire Balance spring Figure 3-415 3 - 52 COPYRIGHT © 1994 CANON INC. When the fixing film has become displaced toward the front, the copier lowers the front of the tension roller. Correcting Displacement of the ...
Service Manual
Page 101
...error codes (E000, E001, E002, E003), the copier uses the capacitor (C123) located within the DC controller circuit. The DC power supply generates +5 V, +24 VR, and +24 VU for the DC voltage are as follows: • +5 V ±5% • +24 VR ±5% • +24 VU ±12.5% However, the above values apply on . CANON PC720... DC controller PCB. AC power is equipped with the DC controller PCB. to supply high voltage. COPYRIGHT © 1994 CANON INC. The copier's power supply is supplied to drive the soft switch. Power Supply Circuit The copier's power supply assembly...
...error codes (E000, E001, E002, E003), the copier uses the capacitor (C123) located within the DC controller circuit. The DC power supply generates +5 V, +24 VR, and +24 VU for the DC voltage are as follows: • +5 V ±5% • +24 VR ±5% • +24 VU ±12.5% However, the above values apply on . CANON PC720... DC controller PCB. AC power is equipped with the DC controller PCB. to supply high voltage. COPYRIGHT © 1994 CANON INC. The copier's power supply is supplied to drive the soft switch. Power Supply Circuit The copier's power supply assembly...
Service Manual
Page 111
... the machine (sensors in 4 sec after a press on the Copy Start key. Code E Cause Indicated when the fixing film is less than 100°C. • The... with a microprocessor that checks the state of `E001', `E0' and '01' are flashed alternately. when it identifies an error, it indicates it in addition, the thermistor (TH1) temperature is being corrected for displacement. melted) • Triac (faulty)...has occurred. faulty) U.LILOLI • Fixing heater (H1; COPYRIGHT © 1994 CANON INC. CANON PC720/7401750I770 REVD AUG.1994 PRINTED IN JAPAN (imPRimt AU JAPON) 3 - 71
... the machine (sensors in 4 sec after a press on the Copy Start key. Code E Cause Indicated when the fixing film is less than 100°C. • The... with a microprocessor that checks the state of `E001', `E0' and '01' are flashed alternately. when it identifies an error, it indicates it in addition, the thermistor (TH1) temperature is being corrected for displacement. melted) • Triac (faulty)...has occurred. faulty) U.LILOLI • Fixing heater (H1; COPYRIGHT © 1994 CANON INC. CANON PC720/7401750I770 REVD AUG.1994 PRINTED IN JAPAN (imPRimt AU JAPON) 3 - 71
Service Manual
Page 113
OPERATIONS AND TIMING Code Cause • Scanner home position sensor (PS1; I nr13 • DC controller...(faulty) E26 if •Power supply frequency (faulty) • Composite power supply PCB (faulty) EOL• I = Li117. CANON PC720/7401750770 REV.O AUG.1994 PRINTED IN JAPAN (IlAPRIME AU JAPON) 3 - 73 faulty) (keys on for 5 sec during standby. ...• The scanning lamp remains off for 5 sec during copying. • An error is detected in the communication between the DC controller PCB and the composite power supply PCB. • The intervals...
OPERATIONS AND TIMING Code Cause • Scanner home position sensor (PS1; I nr13 • DC controller...(faulty) E26 if •Power supply frequency (faulty) • Composite power supply PCB (faulty) EOL• I = Li117. CANON PC720/7401750770 REV.O AUG.1994 PRINTED IN JAPAN (IlAPRIME AU JAPON) 3 - 73 faulty) (keys on for 5 sec during standby. ...• The scanning lamp remains off for 5 sec during copying. • An error is detected in the communication between the DC controller PCB and the composite power supply PCB. • The intervals...