• Code: SC720
• Description: Paper table motor lock – LCIT The paper table upper limit sensor or lower limit sensor does not change the status for more than 15 seconds after the paper table motor on signal is generated.
• Causes: • Defective sensor • Defective motor • Mechanism blocked by foreign material

• Code: SC725
• Description: Paper table motor lock – LCOT The paper table upper limit sensor or lower limit sensor does not change the status for more than 15 seconds after the paper table motor on signal is generated.
• Causes: • Defective sensor • Defective motor • Mechanism blocked by foreign material

• Code: SC780
• Description: DF Gate signal error DF gate signal level does not change to ”H” 10 seconds after paper feed starts at the registration position.
• Causes: • Harness error • ADF Board error

• Code: SC781
• Description: DF Connection error When an ADF for another model is connected.
• Causes: • The wrong ADF is connected • Harness error • ADF Board error

• Code: SC818
• Description: Watch-dog error While the system program is running, other processes do not operate at all.
• Causes: • Defective ACU board • Software error (ACU)

• Code: SC819
• Description: Kernel panic error Processing cannot be continued by kernel
• Causes: • Software error (ACU)

• Code: SC820
• Description: Self-Diagnostic Error: CPU The central processing unit returned an error during the self-diagnostic test.
• Causes: • Defective ACU board • Software error (ACU)

• Code: SC821
• Description: Self-Diagnostic Error: ASIC The ASIC returned an error during the self-diagnostic test because the ASIC and CPU timer interrupts were compared and determined to be out of range.
• Causes: • ACU board defective