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: SC721-10
Description: Transport Motor 1 Error (1K sheet finisher) Motor driver detects an error state (DC motor control error) (1st time is jam notification, 2nd time is SC notification).
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: SC721-11
Description: Transport Motor 2 Error (1K sheet finisher) Motor driver detects an error state (DC motor control error) (1st time is jam notification, 2nd time is SC notification).
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: SC721-17
Description: Paper Eject Motor 2 Error (1K sheet finisher) Motor driver detects an error state (DC motor control error) (1st time is jam notification, 2nd time is SC notification).
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)