Gestetner G060 Service Manual page 139

Rev. 09/2003
SC No. Item
SC 670 No response When the main power is
from BCU at turned on or the machine
power on starts warming up from
energy-saving mode, the
controller does not receive a
command signal from the
BCU.
SC 680 BCU/ MUSIC After the engine CPU sends a
communication message, the Music CPU does
error
not respond within five
seconds three consecutive
times.
SC 687 Memory The BCU does not receive a
address memory address command
command from the controller 60 seconds
error after paper is in the position for
registration.
• The jogger fences of the
SC 722 Finisher jogger
motor error
• The finisher jogger motor
SC 724 Finisher staple Stapling does not finish within
hammer motor 150 ms after the staple
error hammer motor turns on.
SM
Definition
• Loose connection
• Defective controller
• Defective BCU
• Toner cartridge
• Memory chip problem
• Memory chip cable
• Loose connection
• Defective controller
• Defective BCU
• Defective jogger H.P.
finisher donot return to
home position within a • Loose connection
specific time. • Defective jogger
does not leave home
position within a given time.
• Staple jam
• Loose connection
• Overload caused by
• Defective staple
Related
Possible Cause
SCs
memory chip loose
connection
wiring problem
sensor
motor
stapling too many
pages
hammer motor
4-25
Troubleshooting Procedure
1. Turn the main switch off and on.
2. Check the connection between the
BCU and controller.
3. Replace the controller.
4. Replace the BCU.
1. Turn the main switch off and on.
2. Check if the toner cartridge is
installed correctly.
3. Replace the toner cartridge.
4. Check if the harnesses are not
damaged.
5. Replace the BCU.
1. Turn the main switch off and on.
2. Check if the controller is firmly
connected to the BCU.
3. Replace the controller.
4. Replace the BCU.
1. Turn the main switch off and on.
2. Check the connection of jogger H.P.
sensor and jogger motor connectors
3. Replace the jogger H.P. sensor.
4. Replace the jogger motor.
1. Turn the main switch off and on.
2. Check if the staple hammer motor
connector is properly connected.
3. Check if the staple jam occurs.
4. Replace the staple hammer motor.
SC TABLE
Type
CTL
G060