Code :

Code: 413
Description: ID sensor error: Development Y. Development gamma for black, magenta, cyan, or yellow is not within range (0.3 to 6.0). Process control halts when this SC is issued.
Causes: • ID/ MUSIC sensor shutter defective • LD sensor harness loose, broken, defective • LD unit not firing • CGB HVPS harness loose, broken, defective • CGB HVPS defective • Developer worn
Remedy: 1. Replace the ID/ MUSIC sensors. 2. Check the harness connection to the LD unit. 3. Replace the LD unit. 4. Check the harness connection to the CGB HVPS. 5. Replace the CGB HVPS. 6. Replace the developer.

Code: 414
Description: ID sensor error: Development start voltage K • The development start voltage in the development of the black, magenta, cyan, or yellow PCU is not within the correct range (±150V)
Causes: • ID/ MUSIC sensor shutter defective • LD sensor harness loose, broken, defective • LD unit not firing • CGB HVPS harness loose, broken, defective • CGB HVPS defective • Developer worn
Remedy: 1. Replace the ID/ MUSIC sensors. 2. Check the harness connection to the LD unit. 3. Replace the LD unit. 4. Check the harness connection to the CGB HVPS. 5. Replace the CGB HVPS. 6. Replace the developer.

Code: 415
Description: ID sensor error: Development start voltage C • The development start voltage in the development of the black, magenta, cyan, or yellow PCU is not within the correct range (±150V)
Causes: • ID/ MUSIC sensor shutter defective • LD sensor harness loose, broken, defective • LD unit not firing • CGB HVPS harness loose, broken, defective • CGB HVPS defective • Developer worn
Remedy: 1. Replace the ID/ MUSIC sensors. 2. Check the harness connection to the LD unit. 3. Replace the LD unit. 4. Check the harness connection to the CGB HVPS. 5. Replace the CGB HVPS. 6. Replace the developer.

Code: 416
Description: ID sensor error: Development start voltage M • The development start voltage in the development of the black, magenta, cyan, or yellow PCU is not within the correct range (±150V)
Causes: • ID/ MUSIC sensor shutter defective • LD sensor harness loose, broken, defective • LD unit not firing • CGB HVPS harness loose, broken, defective • CGB HVPS defective • Developer worn
Remedy: 1. Replace the ID/ MUSIC sensors. 2. Check the harness connection to the LD unit. 3. Replace the LD unit. 4. Check the harness connection to the CGB HVPS. 5. Replace the CGB HVPS. 6. Replace the developer.

Code: 417
Description: ID sensor error: Development start voltage Y • The development start voltage in the development of the black, magenta, cyan, or yellow PCU is not within the correct range (±150V)
Causes: • ID/ MUSIC sensor shutter defective • LD sensor harness loose, broken, defective • LD unit not firing • CGB HVPS harness loose, broken, defective • CGB HVPS defective • Developer worn
Remedy: 1. Replace the ID/ MUSIC sensors. 2. Check the harness connection to the LD unit. 3. Replace the LD unit. 4. Check the harness connection to the CGB HVPS. 5. Replace the CGB HVPS. 6. Replace the developer.

Code: 418
Description: LED error during Vsg adjustment PWM value: Ifsg > 1,000 or Ifsg < 50 This means the current to the LED of the ID sensor is abnormal.
Causes: • ID sensor dirty or defective • ITB dirty or scratched • ID/ MUSIC sensor shutter defective
Remedy: 1. Check the harness connection to the ID/ MUSIC sensors. 2. Clean or replace the ID/ MUSIC sensors. 3. ITB cleaning unit.

Code: 420
Description: Potential sensor error: Vd Adjustment K. The drum potential sensor detects 150V or more on the drum (Vd) for 0.7 msec. when the high voltage charge is supplied to the drum for the initial sampling before exposure.
Causes: • Drum potential sensor harness, connector is loose, broken, defective • Drum potential sensor dirty • Drum potential sensor defective • Drum connector, harness loose, broken, defective • Drum worn
Remedy: 1. Clean or replace the drum potential sensor. 2. Replace the drum unit.

Code: 421
Description: Potential sensor error: Vd Adjustment C. The drum potential sensor detects 150V or more on the drum (Vd) for 0.7 msec. when the high voltage charge is supplied to the drum for the initial sampling before exposure.
Causes: • Drum potential sensor harness, connector is loose, broken, defective • Drum potential sensor dirty • Drum potential sensor defective • Drum connector, harness loose, broken, defective • Drum worn
Remedy: 1. Clean or replace the drum potential sensor. 2. Replace the drum unit.