• Code: SC410-04
• Description: Residual Voltage (Vr) Detection Error (Y). Residual Voltage (Vr) > 200[-V] Details: This SC is issued when the residual voltage measured duringprocess control exceeded 200 [-V].
• Causes: • Toner density error • Condensation
• Remedy: • Replace the developer. • If condensation has formed, wait a while and repeat process control.

• Code: SC411-04
• Description: Failed to adjust the DC charge bias to the target range: Vd*± 8V. Details: This SC is issued when the machine fails to adjust the DC charge bias to the target range: Vd*± 8V during process contol.
• Causes: • Charge roller dirty
• Remedy: • Replace the charge roller.

• Code: SC412-01
• Description: LD input current (Vpl) Adjustment Error (K). Failed to adjust the LD power to the target range: Vpl*± 5V. Details: This SC is issued when the machine fails to adjust the LD power to the target range: Vpl*± 5V during process contol.
• Causes: • OPC drum deteriorated (Filming etc.) • Charge roller dirty
• Remedy: • Replace the OPC drum. • Replace the charge roller.

• Code: SC412-02
• Description: LD input current (Vpl) Adjustment Error (C). Failed to adjust the LD power to the target range: Vpl*± 5V. Details: This SC is issued when the machine fails to adjust the LD power to the target range: Vpl*± 5V during process contol.
• Causes: • OPC drum deteriorated (Filming etc.) • Charge roller dirty
• Remedy: • Replace the OPC drum. • Replace the charge roller.

• Code: SC412-03
• Description: LD input current (Vpl) Adjustment Error (M). Failed to adjust the LD power to the target range: Vpl*± 5V. Details: This SC is issued when the machine fails to adjust the LD power to the target range: Vpl*± 5V during process contol.
• Causes: • OPC drum deteriorated (Filming etc.) • Charge roller dirty
• Remedy: • Replace the OPC drum. • Replace the charge roller.

• Code: SC412-04
• Description: LD input current (Vpl) Adjustment Error (Y). Failed to adjust the LD power to the target range: Vpl*± 5V. Details: This SC is issued when the machine fails to adjust the LD power to the target range: Vpl*± 5V during process contol.
• Causes: • OPC drum deteriorated (Filming etc.) • Charge roller dirty
• Remedy: • Replace the OPC drum. • Replace the charge roller.

• Code: SC421-01
• Description: OPC home position signal detection error (K). Failed to detect the home position signal within specified time.
• Causes: • Home position sensor defective/Loose connection/Harness broken/Connecter disconnected • Home position sensor smudged
• Remedy: • Check the home position sensor connector. • Check the home position sensor harness. • Replace the home position sensor if it is found to be defective. • Check the sensor for smudges. Blow it with air and check again.

• Code: SC421-02
• Description: OPC home position signal detection error (C). Failed to detect the home position signal within specified time.
• Causes: • Home position sensor defective/Loose connection/Harness broken/Connecter disconnected • Home position sensor smudged
• Remedy: • Check the home position sensor connector. • Check the home position sensor harness. • Replace the home position sensor if it is found to be defective. • Check the sensor for smudges. Blow it with air and check again.