No.
Definition
Symptom Possible Cause
762 B
ADF gate abnormal 3
The FGATE signal is not terminated
by the ADF
within 60 seconds after
the ADF starts feeding.
• ADF connector defective
• SBU board defective
800 B
Startup without video output end error
Video transfer to the engine is
started, but the
engine did not issue
a video transmission end command
within the specified time.
• Controller board defective
804 B
Startup without video input end
A video transmission was
requested from the
scanner, but the
scanner did not issue a video
transmission end command within
the specified time.
• Controller board defective
818 B
Watchdog error
The CPU does not access the
watchdog register within a certain
time.
• Controller board defective
•
Software malfunction – download
controller firmware again
819 B
Kernel mismatch error
Software bug • Download controller firmware again
820 B
Self-Diagnostic Error: CPU
The central processing unit
returned an error during the self-
diagnostic test.
• Controller board defective
• Download controller firmware again
821 B
Self-Diagnostic Error: ASIC
The ASIC returned an error during
the self-diagnostic test
because the
ASIC and CPU timer interrupts
were compared and determined to
be out of range.
• Controller board defective
Service Call Conditions
187
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