• Code: SC721-80
• Description: Folding Transport Motor Error (1K sheet finisher) • Motor driver detects an error (short-circuit or overheating) (1st time is SC)
• Causes: • Over current (board defective, harness short-circuit, solenoid defective) (*721-03 only) • Motor defective (*excluding 721-03) • Connector disconnected (*excluding 721-03) • Overload (*excluding 721-03) • Encoder error (*720-10, 11, 17, 25, 44 only) • Home position sensor error (*Excluding 721-03, 10, 11, 17, 70, and 80) • Retreat sensor error (*721-42 only) • Needle jam (*721-44 only) • Home position sensor (folding blade HP) error (*721-52 only) • Home position sensor (folding cam HP) error (*721-52 only) • Paper surface sensor error (*721-70 only)
• Remedy: • Replace the controller • Replace the harness • Replace the motor (*excluding SC721-03) • Reset the connector (*excluding SC721-03) • Replace the solenoid (*SC721-03 only) • Replace the home position sensor (*excluding SC721-03, 10, 11, 17, 80)

• Code: SC724-24
• Description: Paper Exit Guide Plate Open/Close Motor Error (Internal finisher) • When paper exit guide plate open/close motor is driven for T3 msec after paper exit guide plate HP sensor ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification). • When paper exit guide plate open/close motor is driven for T4 msec after paper exit guide plate HP sensor OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).
• Causes: • Motor defective • Connector disconnected • Motor overload • Home position sensor error • Paper surface sensor error (*SC724-38, 70 only) • Staple jam (*SC724-86 only)
• Remedy: • Reset the connector • Replace the motor • Replace the sensor • Replace the harness • Remove the staple jam (*SC724-86 only)

• Code: SC724-25
• Description: Punch Motor Error (Internal finisher) • When punch motor is driven for T16 msec after punch HP sensor ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification). • When punch motor is driven for T17 msec after punch HP sensor OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).
• Causes: • Motor defective • Connector disconnected • Motor overload • Home position sensor error • Paper surface sensor error (*SC724-38, 70 only) • Staple jam (*SC724-86 only)
• Remedy: • Reset the connector • Replace the motor • Replace the sensor • Replace the harness • Remove the staple jam (*SC724-86 only)

• Code: SC724-27
• Description: Punch Displacement Motor Error (Internal finisher) • When punch displacement motor is driven for T18 msec when punch displacement HP sensor is ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification). • When punch displacement motor is driven for T19 msec when punch displacement HP sensor is OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).
• Causes: • Motor defective • Connector disconnected • Motor overload • Home position sensor error • Paper surface sensor error (*SC724-38, 70 only) • Staple jam (*SC724-86 only)
• Remedy: • Reset the connector • Replace the motor • Replace the sensor • Replace the harness • Remove the staple jam (*SC724-86 only)

• Code: SC724-28
• Description: Punch Horizontal Registration Detection Motor Error (Internal finisher) • When horizontal registration displacement motor is driven for T20 msec when horizontal registration displacement HP sensor is ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification). • When horizontal registration displacement motor is driven for T21 msec when horizontal registration displacement HP sensor is OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).
• Causes: • Motor defective • Connector disconnected • Motor overload • Home position sensor error • Paper surface sensor error (*SC724-38, 70 only) • Staple jam (*SC724-86 only)
• Remedy: • Reset the connector • Replace the motor • Replace the sensor • Replace the harness • Remove the staple jam (*SC724-86 only)

• Code: SC724-31
• Description: Jogger Front Motor Error (Internal finisher) • When front jogger motor is driven for T22 msec when front jogger HP sensor is ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification). • When front jogger motor is driven for T23 msec when front jogger HP sensor is OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).
• Causes: • Motor defective • Connector disconnected • Motor overload • Home position sensor error • Paper surface sensor error (*SC724-38, 70 only) • Staple jam (*SC724-86 only)
• Remedy: • Reset the connector • Replace the motor • Replace the sensor • Replace the harness • Remove the staple jam (*SC724-86 only)

• Code: SC724-32
• Description: Jogger Rear Motor Error (Internal finisher) • When rear jogger motor is driven for T24 msec when rear jogger HP sensor is ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification). • When rear jogger motor is driven for T25 msec when rear jogger HP sensor is OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).
• Causes: • Motor defective • Connector disconnected • Motor overload • Home position sensor error • Paper surface sensor error (*SC724-38, 70 only) • Staple jam (*SC724-86 only)
• Remedy: • Reset the connector • Replace the motor • Replace the sensor • Replace the harness • Remove the staple jam (*SC724-86 only)

• Code: SC724-33
• Description: Strike Roller Motor Error (Internal finisher) • During initialization/strike descent, even when the strike roller motor is driven for T1 msec when the strike roller HP sensor is ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification). • During initialization, even when the strike roller motor is driven for T2 msec when the strike roller HP sensor is OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification). • When the strike roller is lifted from the press position, even when driven for T2 msec, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).
• Causes: • Motor defective • Connector disconnected • Motor overload • Home position sensor error • Paper surface sensor error (*SC724-38, 70 only) • Staple jam (*SC724-86 only)
• Remedy: • Reset the connector • Replace the motor • Replace the sensor • Replace the harness • Remove the staple jam (*SC724-86 only)