SC7xx: Peripherals

721

B

Finisher jogger motor error

The jogger fences move out of the home position but the HP sensor output does not change within the specified number of pulses.

The 1st failure issues an original jam message, and the 2nd failure issues this SC code.

• Jogger HP sensor disconnected, defective

• Jogger motor disconnected, defective

• Jogger motor overloaded due to obstruction

• Finisher main board and jogger motor

1. Check the connections and cables for the components mentioned above.

2. Check for blockages in the jogger motor mechanism.

3. Replace the jogger HP sensor and/or jogger motor.

4. Replace the finisher main board.

723

B

Stack feed-out motor error

• The stack feed-out HP sensor does not detect the home position of the stack feed-out belt 3000ms after the stack feed-out belt has moved to its home position.

• The stack feed-out HP sensor does not turn off 200 ms after the stack feed-out belt has moved from its home position.

• The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.

• Defective stack feed-out HP sensor

• Overload on the stack feed-out motor

• Defective stack feed-out motor

• Defective main board

• Disconnected or defective harness

1. Check the connections and cables for the components mentioned above.

2. Check for blockages in the stack feed-out motor mechanism.

3. Replace the stack feed-out HP sensor and/or stack feed-out motor.

4. Replace the finisher main board.

725

B

Finisher exit guide plate motor error

After moving away from the guide plate position sensor, the exit guide is not detected at the home position within the prescribed time. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.

• Guide plate motor disconnected, defective

• Guide plate motor overloaded due to obstruction

• Guide plate position sensor disconnected, defective

1. Check the connections and cables for the components mentioned above.

2. Check for blockages in the guide plate motor mechanism.

3. Replace the guide plate position sensor and/or guide plate motor

4. Replace the finisher main board.

730

B

Finisher Tray 1 shift motor error

The shift roller HP sensor of the upper tray does not activate within the prescribed time after the shift tray starts to move toward or away from the home position. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.

• Shift tray HP sensor of the upper tray disconnected, defective

• Shift tray motor of the upper tray is disconnected, defective

• Shift tray motor of the upper tray overloaded due to obstruction

1. Check the connections and cables for the components mentioned above.

2. Check for blockages in shift motor mechanism.

3. Replace the shift tray HP sensor and/or shift motor

4. Replace the finisher main board.

740

B

Finisher corner stapler motor error

The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.

For 1000-sheet (booklet) finisher

• The stapler motor does not switch off within the prescribed time after operating.

• The HP sensor of the staple unit does not detect the home position after the staple unit moves to its home position.

• The HP sensor of the staple unit detects the home position after the staple unit moves from its home position.

• Staple jam

• Motor overload

• Defective stapler motor

1. Check the connections and cables for the components mentioned above.

2. Replace the HP sensor and/or stapler motor

3. Replace the finisher main board.

742

B

Finisher stapler movement motor error

For 1000-sheet (booklet) finisher

• The stapler HP sensor is not activated within the specified time after the stapler motor turned on. (first detection: jam error, consecutive twice detection SC code).

• Motor overload

• Loose connection of the stapler home position sensor

• Loose connection of the stapler movement motor

• Defective stapler home position sensor

• Defective stapler movement motor

1. Check the connection of the stapler movement motor.

2. Check the connection of the stapler home position sensor.

3. Replace the stapler home position sensor.

4. Replace the stapler movement motor.

746

B

1000-sheet booklet finisher: Stack feed motor error

• The stack feed HP sensor does not detect "ON" twice (once: jam error) for specified time after the stack feed motor has turned on.

• The stack feed HP sensor does not detect "OFF" twice (once: jam error) for specified time after the stack feed motor has turned on.

• Motor overload

• Loose connection of the stack feed motor

• Defective stack feed motor

1. Check the connections and cables for the stack feed motor and HP sensor.

2. Check for blockages in the stack feed motor mechanism.

3. Replace the stack feed HP sensor and/or stack feed motor

4. Replace the finisher main board.

750

B

1000-sheet (booklet) finisher: Tray lift motor error

• Motor overload

• Loose connection of the shift tray motor

• Defective shift tray motor

1. Check the connections to the shift tray motor.

2. Replace the shift tray motor.

760

B

Finisher punch motor error

The punch HP sensor is not activated within the specified time after the punch motor turned on. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.

• Punch HP sensor disconnected, defective

• Punch motor disconnected or defective

• Punch motor overload due to obstruction

1. Check the connections and cables for the punch motor and HP sensor.

2. Check for blockages in the punch motor mechanism.

3. Replace the punch HP sensor and/or punch motor

4. Replace the finisher main board.

761

B

Finisher folder plate motor error

The folder plate moves but is not detected at the home position within the specified time. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.

• Folder plate HP sensor disconnected, defective

• Folder plate motor disconnected, defective

• Folder plate motor overloaded due to obstruction.

1. Check the connections and cables for the folder plate motor and HP sensor.

2. Check for blockages in the folder plate motor mechanism.

3. Replace the folder plate HP sensor and/or folder plate motor

4. Replace the finisher main board.

763

B

Punch movement motor error

The punch unit moves but is not detected at the home position within the specified time. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.

• Motor harness disconnected, loose, defective

• Defective motor

1. Check the connections to the punch movement motor.

2. Defective punch movement motor

764

B

Paper position sensor slide motor error

The paper position sensor moves but is not detected at the home position within the specified time. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.

• Motor harness disconnected, loose, defective

• Defective motor

1. Check the connections to the paper position sensor slide motor.

2. Defective paper position sensor slide motor.

765

B

Paper position sensor slide motor error

The paper position sensor moves but is not detected at the home position within the specified time. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.

• Motor harness disconnected, loose, defective

• Defective motor

1. Check the connections to the paper position sensor slide motor.

2. Defective paper position sensor slide motor.

766

B

Paper position sensor slide motor error

The paper position sensor moves but is not detected at the home position within the specified time. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.

• Motor harness disconnected, loose, defective

• Defective motor

1. Check the connections to the paper position sensor slide motor.

2. Defective paper position sensor slide motor.

770

B

Shift motor error

The shift motor HP sensor does not detect any change for 1.86 seconds after the shift motor has turned on at power on or during its operation.

• Defective shift motor

• Defective shift motor HP sensor

1. Check the connections to the shift motor and the shift motor HP sensor.

2. Defective shift motor or the shift motor HP sensor.

791

D

Bridge unit error

The machine recognizes the finisher, but does not recognize the bridge unit.

• Defective connector

• Broken harness

1. Check the connections between the bridge unit and the machine.

2. Install a new bridge unit.

792

B

Finisher error

The machine does not recognize the finisher, but recognizes the bridge unit.

• Defective connector

• Defective harness

• Incorrect installation

1. Check the connections between the finisher and the machine.

2. Install a new finisher.

798

-1

B

Upper limit switch error (D372)

The upper limit switch of the 500-sheet finisher (D372) is pushed due to tray lift error or some problems.

• Upper limit switch pulled up

• Defective upper limit swtich

Check the harness.

1. Check for blockage around the upper limit switch.

2. Replace the upper limit switch.

798

-02

B

Finisher jogger motor error (D372)

The jogger fences of the 500-sheet finisher (D372) move out of the home position but the HP sensor output does not change within the specified number of pulses.

The 1st failure issues an original jam message, and the 2nd failure issues this SC code.

• Jogger HP sensor disconnected, defective

• Jogger motor disconnected, defective

• Jogger motor overloaded due to obstruction

• Finisher main board and jogger motor

1. Check or replace the harness.

2. Check for blockages in the jogger motor mechanism.

3. Replace the jogger HP sensor.

4. Replace the jogger motor.

5. Replace the finisher main board.

798

-03

B

Rear fence motor error (D372)

The rear jogger fence motor of the 500-sheet finisher (D372) is not operating.

• Rear jogger motor drive is obstructed (jammed paper, paper scraps, etc.)

• The rear jogger fence motor harness loose or broken

• Rear jogger fence HP sensor dirty, loose, defective

• Rear jogger fence motor defective

1. Check or replace the harness.

2. Check for blockages in the rear jogger motor drive mechanism.

3. Replace the rear jogger fence HP sensor.

4. Replace the rear jogger fence motor.

798

-04

B

Stack feed-out motor error

The stack feed-out HP sensor does not detect the home position of the stack feed-out belt for a certain time after the stack feed-out belt has moved to its home position.

The stack feed-out HP sensor does not turn off for a certain time after the stack feed-out belt has moved from its home position.

The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.

• Defective stack feed-out HP sensor

• Overload on the stack feed-out motor

• Defective stack feed-out motor

• Defective main board

• Disconnected or defective harness

1. Check or replace the harness.

2. Check for blockages in the stack feed-out mechanism.

3. Replace the stack feed-out HP sensor.

4. Replace the stack feed-out motor.

5. Replace the main board.

798

-05

B

Positioning roller arm motor error

The positioning roller HP sensor does not turn on or off for a certain time at power-on.

The positioning roller HP sensor does not turn on or off for a certain time when the positioning roller returns to its home position from the lower position.

The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.

• Disconnected or defective harness

• Overload on the positioning roller arm motor

• Defective positioning roller arm motor

• Defective positioning roller HP sensor

1. Check or replace the harness.

2. Check for blockages in the positioning roller arm mechanism.

3. Replace the positioning roller arm motor.

4. Replace the positioning roller HP sensor.

798

-06

B

Finisher corner stapler motor error

The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.

For 500-sheet finisher

• The stapler HP sensor does not detect "ON"/"OFF" signal even the stapler moves from the "OFF"/"ON" position for 0.6 seconds.

• The stapler HP sensor does not detect "ON" when a stapling job is commanded or the stapler moves.

• Staple jam

• Motor overload

• Defective stapler motor

1. Check the connections and cables for the components mentioned above.

2. Replace the HP sensor and/or stapler motor

3. Replace the finisher main board.

798

-07

B

Finisher stapler movement motor error

For 500-sheet finisher

• The stapler HP sensor does not detect "OFF" signal even the stapler moves from the "ON" position for 0.35 seconds.

• The stapler HP sensor does not detect "ON" signal even the stapler moves from the "OFF" position for 5.5 seconds.

• Motor overload

• Loose connection of the stapler home position sensor

• Loose connection of the stapler movement motor

• Defective stapler home position sensor

• Defective stapler movement motor

1. Check the connection of the stapler movement motor.

2. Check the connection of the stapler home position sensor.

3. Replace the stapler home position sensor.

4. Replace the stapler movement motor.

798

-08

B

500-sheet finisher: Tray lift motor error

• Motor overload

• Loose connection of the shift tray motor

• Defective shift tray motor

1. Check the connections to the tray lift motor.

2. Replace the tray lift motor.

798

-09

B

Stack pressure solenoid error

The stack pressure solenoid in the finisher is not operating.

• Solenoid harness loose, broken

• Solenoid obstructed

• Stack height sensor dirty, harness loose, broke

• Solenoid defective

• Stack height sensor defective

1. Check or replace the solenoid harness.

2. Check for blockages in the stack pressure mechanism.

1. Replace the stack height sensor.