Gestetner B147 Service Manual page 240

SC TABLE
SC No. Item
SC 740 Booklet finisher • The folder home position
transport motor
error
• The folder home position
SC 741 Booklet finisher • The paddle home position
paddle motor
error
• The paddle home position
• The stack-tray upper roller
• The stack-tray upper-roller
B147/B149/B190
Definition
• Defective transport
sensor does not turn off
within 2 seconds after the
• Loose connection of
folder rollers start to move.
• Defective folder home
sensor does not turn on
within 2 seconds after the
• Loose connection of
folder rollers start
transporting the paper to the
booklet tray.
• Defective paddle
sensor does not turn off
within 2 seconds after the
• Loose connection of
paddles start to move.
• Defective paddle
sensor does not turn on
within 2 seconds after the
• Loose connection of
paddles start to operate.
home position sensor does
• Defective stack-tray
not turn off within 2 seconds
after the paddle motor starts
to lower the roller.
• Loose connection of
home-position sensor does
not turn on with in 2
seconds after the paddle
motor starts to lower the
roller.
Related
Possible Cause
SCs
motor
the transport motor
position sensor
the holder home
position sensor
motor
the paddle motor
home position sensor
the paddle home
position sensor
upper-roller home-
position sensor
the stack-tray upper-
roller home-position
sensor
4-38
Troubleshooting Procedure
1. Turn the main switch off and on.
2. Check the connection of the transport
motor.
3. Check the connection of the folder
home position sensor.
4. Replace the transport motor.
1. Turn the main switch off and on.
2. Check that the connection of the
paddle motor.
3. Check the connection of the paddle
home position sensor.
4. Check the connection of the stack-
tray upper-roller home-position
sensor.
5. Replace the paddle motor.
Type
B
B
SM