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B. Self Diagnosis (ADF)
Table 10-20
Note:
To reset the copier after activation of the self diagnosis mechanism, switch the
copier off and then on.
You can still continue to make copies even when the ADF is out of order; simply
open the ADF, and set the documents on the copyboard glass.
10-113
COPYRIGHT
©
1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 10 TROUBLESHOOTING
Code Cause
• data communication with
copier (error)
• belt motor (fails to rotate)
• belt motor clock sensor (faulty)
• delivery motor (fails to rotate)
• delivery motor clock sensor
(faulty)
• document detection (faulty)
• registration sensor (faulty)
• document edge sensor (faulty)
Description
The data communication is monitored at all
times; the error is identified if the
communication with the copier is absent for
5 sec or more.
The belt clock pulses within 200 msec are
below the specified number.
The delivery motor clock pulses within
200 msec are below the specified number.
The output of the sensor is 2.3 V or more in
the absence of paper.
E400
E402
E404
E411