Ricoh JP5800 Service Manual page 79

SERVICE CALL CODES
Code Title
SC45-12 Upper turn gate
motor overrun -
low
SC45-13 Upper turn gate
motor overrun -
high
SC45-20 Lower side
jogger lock
SC45-21 Lower end jogger
lock
SC45-22 Upper side
jogger lock
SC45-23 Lower end jogger
lock
SC45-30 Lower turn gate
motor lock
SC45-31 Upper turn gate
motor lock
SC80-00 PC controller
interface signal
error
Conditions
The turn gate unit overruns its
lower limit, and the upper low turn
gate switch turns on.
The turn gate unit overruns its
upper limit, and the upper high
turn gate switch turns on.
When the side jogger moves, it
does not return for more than 4
seconds.
When the side jogger moves from
home position, the sensor does
not de-activate for more than 2
seconds.
When the end jogger moves, it
does not return for more than 4
seconds.
When the end jogger moves from
home position, the sensor does
not de-activate for more than 2
seconds.
When the side jogger moves, it
does not return for more than 4
seconds.
When the side jogger moves from
home position, the sensor does
not de-activate for more than 2
seconds.
When the end jogger moves, it
does not return for more than 4
seconds.
When the end jogger moves from
home position, the sensor does
not de-activate for more than 2
seconds.
After the turn gate motor
operates for 150 ms, there have
been fewer than 100 encoder
pulses from the motor.
After the turn gate motor
operates for 150 ms, there have
been fewer than 100 encoder
pulses from the motor.
Signal transmission error in the
interface board
4-12
1 March, 2000
Possible Causes
• Upper low turn gate
limit switch
• Upper turn gate HP
sensor
• Upper turn gate motor
• Upper high turn gate
limit switch
• Upper turn gate HP
sensor
• Upper turn gate motor
• Lower side jogger HP
sensor
• Lower side jogger
motor
• Lower end jogger HP
sensor
• Lower end jogger
motor
• Upper side jogger HP
sensor
• Upper side jogger
motor
• Upper end jogger HP
sensor
• Upper end jogger
motor
• Lower turn gate motor
• MPU board
• Upper turn gate motor
• MPU board
• Defective interface
board