SC7xx: Peripherals
D0CA/D0C9/D0C8/D0CB 6-74 SM
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC724-44 D Stapler Motor (M23) Error
• The Staple Tray Paper Sensor (S42) does not turn OFF even though the
Stapler Motor (M23) rotates with the specified number of pulses to move
away from the home position.
• The Staple Tray Paper Sensor (S42) does not turn ON (Home Position)
even though the Stapler Motor (M23) rotates with the specified number of
pulses to move to the home position.
• Staple jam
• Motor overload
• Motor defective
• Connector disconnected
• Staple Tray Paper Sensor (S42) defective
Check if the SC occurs by turning the main power OFF then ON. If the SC
occurs again, do the following steps. Check if the SC reoccurs by cycling the
power after each step.
1. Check if the harness between the finisher Main Board (PCB25) and the
Staple Tray Paper Sensor (S42) / Stapler Motor (M23) is not stripped or
entrapped.
Replace the harness if there are any defects.
2. Check if there is any unusual odor from the Staple Tray Paper Sensor
(SN42) or any problem with its appearance. Replace it if there are any
defects.
3. Check if there is any unusual odor from the Stapler Motor (M23) or any
problem with its appearance.
Replace it if there are any defects.
4. Replace the finisher Main Board (PCB25).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC724-80 D Gathering Roller Motor (M18) Error
• During the initial operation or the gathering roller descends onto the
paper, the Gathering Roller HP Sensor (S38) does not turn OFF even
though the Gathering Roller Motor (M18) rotates with the specified
number of pulses to move away from the home position. (The first four
times are displayed as jams. An SC is displayed when it is repeated five
times.)
• During the initial operation, the Gathering Roller HP Sensor (S38) does
not turn ON (Home Position) even though the Gathering Roller Motor