Ricoh JP5800 Service Manual page 77

SERVICE CALL CODES
Code Title
SC30-00 Paper table lower
limit sensor
remains on
SC30-01 Paper table
height sensor
remains off
SC30-02 Paper table
height sensor
remains on
SC30-03 Paper table lower
limit sensor
remains off
SC31-10 Abnormal right
tandem tray
bottom plate
position detection
SC31-11 Abnormal left
tandem tray
bottom plate
position detection
SC31-12 Abnormal back
plate position
detection
SC31-13 Abnormal right
tandem tray
position detection
SC31-20 Abnormal tray 2
bottom plate
position detection
SC31-40 Master ROM
error
SC31-41 Master RAM
error
Conditions
When the table moves upwards,
the sensor is not de-activated for
more than 7.5 seconds after the
paper table motor on signal is
generated.
When the table moves upwards,
the sensor is not activated for
more than 7.5 seconds after the
paper table motor on signal is
generated.
When the table moves
downwards, the sensor is not de-
activated for more than 7.5
seconds after the paper table
motor on signal is generated.
When the table moves
downwards, the sensor is not
activated for more than 7.5
seconds after the paper table
motor on signal is generated.
When the bottom plate moves
upwards, the sensor is not
activated for more than 7.5
seconds after the right tray lift
motor on signal is generated.
When the bottom plate moves
upwards, the sensor is not
activated for more than 7.5
seconds after the left tray lift
motor on signal is generated.
When the back plate moves, the
sensor is not activated for more
than 7.6 seconds after the back
plate drive motor on signal is
generated.
When the tandem tray is being
drawn out, the sensor is not
activated for more than 1 second.
When the bottom plate moves
upwards, the sensor is not
activated for more than 4
seconds after the tray 2 lift motor
on signal is generated.
Checksum error in the paper tray
board
Signal transmission error in the
paper tray board
4-10
1 March, 2000
Possible Causes
• Defective sensor
• Defective motor
• Defective sensor
• Defective motor
• Defective sensor
• Defective motor
• Defective sensor
• Defective motor
• Defective sensor in the
right side of tray 1
• Defective motor
• Detective tray wires
• Defective sensor in the
left side of tray 1
• Defective motor
• Detective tray wires
• Defective back plate
home position or return
sensor
• Defective motor
• Defective connector
• Defective sensor in
tray 2
• Defective motor
• Detective tray wires
• Defective master ROM
• Defective paper tray
board
• Defective paper tray
board