13-2. Original Size Detection Failure
An original size detection failure (C0F02, C0FE1 to C0FFF) is detected
under any of the following timings.
C0F02: Original Size Detection Error
1) In F7 operation
a) The Busy signal does not go LOW within approx. 800 msec. after the
Initial signal has gone LOW.
b) The Busy signal does not go LOW within approx. 200 msec. after
condition a) above has been confirmed.
c) The Busy signal does not go HIGH within approx. 4,000 msec. after
conditions a) and b) above have been confirmed.
1139T55MCA
Approx. 800msec.
Approx. 200
msec.
Approx. 4,000msec.
Initial Signal
Busy Signal
1139T56MCA
Approx. 70
msec
Approx. 70
msec
Approx. 500 msec. or more
Busy Signal
2) In normal operation
a) The Busy signal remains HIGH or LOW for approx. 500 msec. or
longer.
b) The normal data is undefined.
C0FE1 to C0FFF: Original Size Detecting Sensor Failure
During normal operation, UN2 transmits a sensor error code corresponding
to any malfunction code from C0FE1 to C0FFF.
M-49
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