Ricoh Aficio MP 1600L2 Field Service Manual page 189

No.
Definition
ADF gate abnormal 3
The FGATE signal is not terminated
762 B
by the ADF within 60 seconds after
the ADF starts feeding.
Startup without video output end error
Video transfer to the engine is
800 B
started, but the engine did not issue
a video transmission end command
within the specified time.
Startup without video input end
A video transmission was
requested from the scanner, but the
804 B
scanner did not issue a video
transmission end command within
the specified time.
Watchdog error
The CPU does not access the
818 B
watchdog register within a certain
time.
Kernel mismatch error
819 B
Software bug
Self-Diagnostic Error: CPU
The central processing unit
820 B
returned an error during the self-
diagnostic test.
Self-Diagnostic Error: ASIC
The ASIC returned an error during
the self-diagnostic test because the
821 B
ASIC and CPU timer interrupts
were compared and determined to
be out of range.
Symptom Possible Cause
• ADF connector defective
• SBU board defective
• Controller board defective
• Controller board defective
• Controller board defective
• Software malfunction – download
controller firmware again
• Download controller firmware again
• Controller board defective
• Download controller firmware again
• Controller board defective
Service Call Conditions
6
187