Canon C2050, Service Handbook

Page: 277 / 292

ERROR CODE
E-13
2 Self Diagnosis O (DADF)
If the self-diagnosis mechanism has turned on, the machine may be reset by
turning off and then on the host machine.
Even when the machine remains out of order, copies may still be made by
opening it and placing originals on the copyboard glass.
E401
Main cause The pickup motor (M1) fails to rotate. The pickup roller sensor (S5) is
faulty.
Condition of
detection
The sensor does not turn on and off twice or more within 1 sec.
E402
Main cause The belt motor (M3) fails to rotate. The belt motor lock sensor (S10) is
faulty.
Condition of
detection
The number of clock pulses within 200 msec is lower than a specific value.
E404
Main cause The feed motor (M2) fails to rotate. The feed motor clock sensor (S9) is
faulty.
Condition of
detection
The number of clock pulses within 200 msec is lower than a specific value.
E411
Main cause The original tray power sensor (S1) is faulty. The registration sensor (S3) is
faulty.
Condition of
detection
In the absence of paper, the output of the sensor is 2.3 V or higher.
E621
Main cause The editor has an error.
Condition of
detection
An error has been detected in the communication between editor and host
machine.