• Code: 365
• Description: TD sensor (Vt low) error 2: M
  The Vt value of the black, magenta, cyan, or yellow TD sensor is below the specified value with SP3020-004 (default: 0.5V) ten counts.
• Causes: • TD sensor harness disconnected, loose, defective • A drawer connector disconnected, loose, defective • TD sensor defective
• Remedy: 1. Check the black, magenta, cyan, or yellow TD sensor connector and harness between the TD sensor and development unit for damage. 2. Check the drawer connector of the PCDU. 3. Replace the development unit. 4. Replace the PCDU.

• Code: 366
• Description: TD sensor (Vt low) error 2: C
  The Vt value of the black, magenta, cyan, or yellow TD sensor is below the specified value with SP3020-004 (default: 0.5V) ten counts.
• Causes: • TD sensor harness disconnected, loose, defective • A drawer connector disconnected, loose, defective • TD sensor defective
• Remedy: 1. Check the black, magenta, cyan, or yellow TD sensor connector and harness between the TD sensor and development unit for damage. 2. Check the drawer connector of the PCDU. 3. Replace the development unit. 4. Replace the PCDU.

• Code: 367
• Description: TD sensor (Vt low) error 2: Y
  The Vt value of the black, magenta, cyan, or yellow TD sensor is below the specified value with SP3020-004 (default: 0.5V) ten counts.
• Causes: • TD sensor harness disconnected, loose, defective • A drawer connector disconnected, loose, defective • TD sensor defective
• Remedy: 1. Check the black, magenta, cyan, or yellow TD sensor connector and harness between the TD sensor and development unit for damage. 2. Check the drawer connector of the PCDU. 3. Replace the development unit. 4. Replace the PCDU.

• Code: 372
• Description: TD sensor adjustment error: K
  During TD sensor initialization, the output value of the black, magenta, cyan, or yellow TD sensor is not within the range of the specified value with SP3238-001 to -004 (default: 2.7V) +- 0.2V
• Causes: Heat seal not removed from a new developer pack. TD harness sensor disconnected, loose or defective. TD sensor defective. Harness between TD sensor and drawer disconnected, defective.
• Remedy: 1. Remove the heat seal from each PCDU. 2. Replace the development unit. 3. Replace the PCDU.

• Code: 373
• Description: TD sensor adjustment error: M
  During TD sensor initialization, the output value of the black, magenta, cyan, or yellow TD sensor is not within the range of the specified value with SP3238-001 to -004 (default: 2.7V) +- 0.2V
• Causes: Heat seal not removed from a new developer pack. TD harness sensor disconnected, loose or defective. TD sensor defective. Harness between TD sensor and drawer disconnected, defective.
• Remedy: 1. Remove the heat seal from each PCDU. 2. Replace the development unit. 3. Replace the PCDU.

• Code: 374
• Description: TD sensor adjustment error: C
  During TD sensor initialization, the output value of the black, magenta, cyan, or yellow TD sensor is not within the range of the specified value with SP3238-001 to -004 (default: 2.7V) +- 0.2V
• Causes: Heat seal not removed from a new developer pack. TD harness sensor disconnected, loose or defective. TD sensor defective. Harness between TD sensor and drawer disconnected, defective.
• Remedy: 1. Remove the heat seal from each PCDU. 2. Replace the development unit. 3. Replace the PCDU.

• Code: 375
• Description: TD sensor adjustment error: Y
  During TD sensor initialization, the output value of the black, magenta, cyan, or yellow TD sensor is not within the range of the specified value with SP3238-001 to -004 (default: 2.7V) +- 0.2V
• Causes: Heat seal not removed from a new developer pack. TD harness sensor disconnected, loose or defective. TD sensor defective. Harness between TD sensor and drawer disconnected, defective.
• Remedy: 1. Remove the heat seal from each PCDU. 2. Replace the development unit. 3. Replace the PCDU.

• Code: 380
• Description: Drum gear position sensor error: K
  The machine does not detect the drum position signal for 3 seconds at the drum phase adjustment.
• Causes: • Dirty or defective drum gear position sensor
• Remedy: 1. Check the harnesses. 2. Clean or replace the drum gear position sensor. 3. Replace the PCDU.