Errorcodes E800 To E850 for Canon ImageRunner 7105/7095/7086

 

 

E800 The auto power-off circuit has an error.An open circuit has been detected for 3 sec or more in the auto power-off circuit.

Turn off and then on the power. Disconnect and then connect J505 of the DC controller PCB.Disconnect and then connect J1719 of the relay PCB. Replace the relay PCB. Replace the DC controller PCB.

E804 The rotation of the following is faulty: power supply cooling fan 1,
power supply cooling fan 2, controller cooling fan.
0001 The fan stop signal has been detected for 5 sec or more after the power supply
          cooling fan 1 has gone on.

Disconnect and then connect J505 of the DC controller PCB.Replace the power supply cooling fan 1. Replace the DC controller PCB.

0002 The fan stop signal has been detected for 5 sec or more after the power supply cooling fan 2 has gone on.

Disconnect and then connect J505 of the DC controller PCB.Replace the power supply cooling fan 2. Replace the DC controller PCB.

0004 The fan stop signal of the controller cooling fan has been detected continuously for 16 sec.

Disconnect and then connect J1028 of the main controller
PCB. Replace the controller cooling fan. Replace the main controller PCB.
E805 The fixing heat discharge fan rotation is faulty.

0002 The fan stop signal has been detected for 5 sec or more after the fixing heat
discharge fan has gone on.

Disconnect and then connect J503 of the DC controller PCB.
Replace the fixing heat discharge fan. Replace the DC controller PCB.
E820 The drum fan rotation is faulty.

0000 The fan stop signal has been detected for 5 sec or more after the drum fan has gone on.
Disconnect and then connect J512 of the DC controller PCB.

Replace the drum fan. Replace the DC controller PCB.
E823 The pre-transfer charging assembly fan rotation is faulty.

0000 The fan stop signal has been detected for 5 sec or more after the pre-transfer
charging assembly fan has gone on.

Disconnect and then connect J504 of the DC controller PCB.
Replace the pre-transfer charging assembly fan. Replace the DC controller PCB.
E840 An HP detection error has occurred in relation to the fixing inlet sensor
(fixing wrap jam detection).
0000 The home position is not detected when he sensor is moved up/down (i.e., the sensor has not gone on).
0001 The home position is not detected when the sensor is moved up/down (i.e., the sensor has not gone off).

Disconnect and then connect J508, J552, and J553 of the DC controller PCB. Disconnect
and then connect J4001 and J4002 of the fixing inlet sensor ascent/descent motor driver
PCB; as necessary, replace the fixing inlet sensor ascent/descent motor. Replace the fixing
inlet sensor ascent/descent motor driver PCB.
E850 There is a fault in the double-feeding detection unit.
0000 The double-feeding sensor (reception) fails to attain an ultrasonic signal of a specific level.

Remove paper lint form the surface of the double-feeding sensor (reception). Remount the double-feeding sensor (transmission, reception). Disconnect and then connect J509 and J550 of the DC controller PCB. Replace the double-feeding sensor (transmission, reception). Replace the double-feeding sensor PCB (transmission,reception).

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