Code :

Code: SC731
Description: Sorter: Staple unit motor error - Timing & Condition - The staple unit H.P. sensor does not activate as expected. When this error is detected twice, this SC code is displayed.
Causes: • Poor connections. • Defective staple unit H.P. sensor • Defective grip shift motor • Defective main board
Remedy: 1. Make sure the staple unit H.P. sensor and staple unit motor are properly connected. 2. Replace the staple unit motor H.P. sensor. (Input check: SP5-803-130) 3. Replace the staple unit motor. (Output check: SP5-804-128) 4. Replace the main board.

Code: SC741
Description: LCT: Main motor error - Timing & Condition - LCT main motor speed is out of range for more than 0.5 seconds a rotation.
Causes: • Poor connections • Defective LCT main motor • Defective LCT main board
Remedy: 1. Make sure it is properly connected. 2. Replace the LCT main motor.

Code: SC742
Description: LCT: Tray lift error - Timing & Condition - • The upper limit sensor does not activate within 18 seconds of the lift motor being turned on (in UP direction), when the main switch is turned on, or when the LCT cover is closed. • The lower limit sensor does not activate within 18 seconds of the lift motor being turned on (in DOWN direction), when paper runs out (paper end), or when the Down key is pressed.
Causes: • Poor connections • Defective lift motor • Defective upper limit sensor • Defective pick-up solenoid • Defective LCT main board
Remedy: 1. Make sure the lift motor, upper limit sensor, and pick-up solenoid are properly connected. 2. Replace the lift motor. 3. Replace the upper limit sensor. 4. Replace the pick-up solenoid. 5. Replace the LCT main board.

Code: SC901
Description: Upper total counter error (Black) - Timing & Condition - • Feedback signal stays LOW when the main switch is turned on. • Feedback signal stays LOW just before the trigger signal goes ON. • Feedback signal stays HIGH just before the trigger signal goes OFF.
Causes: • Poor connections • Defective counter
Remedy: 1. Make sure the counter is connected properly. 2. Replace the total counter. [Signal Check] • Trigger line: CN230-B8 on the I/O control board • Counter OK signal: TP227 on the I/O control Board

Code: SC902
Description: Lower total counter error (Color) - Timing & Condition - • Feedback signal stays LOW when the main switch is turned on. • Feedback signal stays LOW just before the trigger signal goes ON. • Feedback signal stays HIGH just before the trigger signal goes OFF
Causes: • Poor connections • Defective counter
Remedy: 1. Make sure the counter is connected properly. 2. Replace the total counter. [Signal Check] • Trigger line: CN230-B10 on the I/O control board • Counter OK signal: TP228 on the I/O control board