Ricoh JP5800 Service Manual page 78

1 March, 2000
Code Title
SC31-50 Slave ROM error Checksum error in the paper tray
SC31-51 Slave RAM error Signal transmission error in the
SC31-52 Slave CPU error
SC31-60 Communication
error
SC41-00 Side plate pulse
generator sensor
remains off
SC41-01 Side plate home
position sensor
remains off
SC41-10 End plate pulse
generator sensor
remains off
SC41-11 End plate home
position sensor
remains off
SC45-00 Relay transport
switching motor
lock
SC45-10 Lower turn gate
motor overrun -
low
SC45-11 Lower turn gate
motor overrun -
high
Conditions
board
paper tray board
The slave CPU is out of control.
The master CPU does not
communicate with the slave CPU
When the side plate in the
delivery table moves, the sensor
is not activated for more than 10
milliseconds after the side plate
drive motor on signal is
generated.
When the side plate in the
delivery table moves, the sensor
is not activated for more than
1,207 pulses after the side plate
drive motor on signal is
generated.
When the end plate in the
delivery table moves, the sensor
is not activated for more than 10
milliseconds after the end plate
drive motor on signal is
generated.
When the end plate in the
delivery table moves, the sensor
is not de-activated for more than
2,379 pulses after the end plate
drive motor on signal is
generated.
When the relay transport unit
moves, the delivery table position
and sort position sensors do not
detect it for more than 2 seconds.
The turn gate unit overruns its
lower limit, and the lower low turn
gate limit switch turns on.
The turn gate unit overruns its
upper limit, and the lower high
turn gate limit switch turns on.
4-11
SERVICE CALL CODES
Possible Causes
• Defective slave ROM
• Defective paper tray
board
• Defective paper tray
board
• Defective paper tray
board
• Defective paper tray
board
• Defective motor
• Defective sensor
• Defective paper
delivery table board
• Defective motor
• Defective sensor
• Defective paper
delivery table board
• Defective motor
• Defective sensor
• Defective paper
delivery table board
• Defective motor
• Defective sensor
• Defective paper
delivery table board
• Relay transport
switching motor
• Delivery table position
sensor
• Sort position sensor
• Lower low turn gate
limit switch
• Lower turn gate HP
sensor
• Lower turn gate motor
• Lower high turn gate
limit switch
• Lower turn gate HP
sensor
• Lower turn gate motor