Ricoh J-P2 Service Manual page 152

SC TABLE
SC No. Item
SC GAVD I2C • The I2C bus device ID is not
690- communica-tion
identified during
001 error
initialization.
690-001: Y
• A device-status error occurs
690-002: M
during I2C bus
690-003: C
communication.
690-004: K
• The I2C bus communication
is not established due to an
error other than a buffer
shortage.
SC 691 Scanner startup • After the machine is
error
(CF) powered on or recovering
from the power save mode,
the scanner ready signal is
not verified.
SC 700 ARDF original • After the pick-up motor is
pick-up
(CF) turned on, the original
malfunction
stopper HP sensor is not
activated.
Definition Possible Cause
• Loose connection
• Defective BCU
• Defective LD
controller board
• Board connector
between controller
and bridge board
loose
• Board connector
between bridge board
and IPU loose
• IPU board defective
• Controller board
defective
• Bridge board
defective
• Original stopper HP
sensor defective
• Pick-up motor
defective (not
rotating)
• Timing belt out of
position
• ARDF main board
defective
4-30
Related
Troubleshooting Procedure
SCs
1. Turn the main switch off and on.
2. Check the cable connection.
3. Replace the laser optics housing unit.
4. Replace the BCU board.
1. Turn the main switch off and on.
2. Check the cable connection between
controller and bridge board.
3. Check the cable connection between
bridge board and IPU.
4. Replace the IPU board.
5. Replace the controller board.
6. Replace the bridge board.
SC 701 1. Turn the main switch off and on.
2. Replace the HP sensor.
3. Turn the main switch off and on.
4. Replace the pick-up motor.
5. Replace the control board.
17 January, 2003
Type
B
B