SERVICE CALL CONDITIONS
SM 4-35 B234/B235/B236/D101/D102/D103
Trouble-
shooting
ADF Transport Belt Motor Error
SC703 B
While the motor is operating, the
encoder pulse signal is not
received within the specified
time and the transport belt motor
does not turn properly.
• Transport belt motor defective
• Poor connection between the transport
motor and ADF main board
• ADF main board defective
ADF Feed-Out Motor Error
SC704 B
While the feed-out motor is
operating, the encoder pulse
signal is not received within the
specified time, and the feed-out
motor does not turn properly
• Feed-out motor defective
• Poor connection between the feed-out
motor and ADF main board
• ADF main control board defective
ADF Original Table Lift Malfunction
SC705 B
One of the following conditions was
detected.
• The bottom plate position sensor
does not activate when the
bottom plate motor lifts the
original table.
• The bottom plate HP sensor
does not activate when the
bottom plate motor lowers the
original table.
• The harnesses, connectors of the
bottom plate position sensor, bottom
plate HP sensor, bottom plate motor
loose, broken, defective
• Bottom plate position sensor defective
• Bottom plate HP sensor defective
• Bottom plate motor defective
• ADF main control board defective
Finisher Upper Transport Motor Error
SC720 B
The encoder pulse signal of the
upper transport motor in the 3000-
Sheet Finisher B830 did not change
within the specified time. The upper
transport motor did not rotate
properly.
• Motor harness, connector loose,
broken, defective
• Motor overloaded
• Motor defective
• Finisher main control board
defective
Finisher Lower Transport Motor Error
SC721 B
The encoder pulse signal of the lower
transport motor in the 3000-Sheet
Finisher B830 did not change within
the specified time. The lower
transport motor did not rotate
properly.
• Motor harness, connector loose,
broken, defective
• Motor overloaded
• Motor defective
• Finisher main control board
disconnected, defective
Positioning Roller Motor Error (3K Finisher B830)
SC723 D
The positioning roller motor of
the 3K Finisher is not operating
correctly.
• Cycle the machine off/on
• Motor harness loose, defective
• Motor defective
• Finisher main control board
disconnected, defective
• MCU defective