Ricoh D069 Field Service Manual page 249

No.
Definition
ADF gate error 1
760 B
The ADF sends the FGATE signal before it
is requested to scan originals.
ADF gate abnormal 2
The ADF does not send the FGATE signal
761 B
within 30 seconds after the ADF starts
scanning.
ADF gate abnormal 3
The ADF continues to send the FGATE
762 B
signal for more than 60 seconds after the
ADF starts scanning.
Mechanical total counter error
901 B
The polling module does not detect the
mechanical total counter.
Engine total counter error
903 B
The checksum of the total counter is not
correct.
Memory error
An error occurs during the memory check
928 B
conducted when the main power switch is
turned on or when the copier is recovering
from the energy saver mode.
IMAC hardware error
929 B
A memory control job is not completed
within a certain period.
Symptom
SC Tables (Basic: D067/D072)
Possible Cause
• Defective ADF board
• Defective input/output board
• Loose connection
• Defective ADF connector
• Defective SBU board
• Defective ADF connector
• Defective SBU board
• Defective mechanical total counter
• Defective BICU
• Loose connection
• Defective NVRAM on the BICU
• Defective memory
• Defective BICU
• Loose connection between the BICU
and the memory
• Defective IMAC
• Defective BICU
• Loose connection
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