• Code: 366
• Description: TD sensor (Vt high) 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) for 10 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 PCU for damage. 2. Check the drawer connector. 3. Replace the defective PCU.

• Code: 367
• Description: TD sensor (Vt high) 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) for 10 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 PCU for damage. 2. Check the drawer connector. 3. Replace the defective PCU.

• 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 PCU. 2. Replace the defective PCU.

• 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 PCU. 2. Replace the defective PCU.

• 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 PCU. 2. Replace the defective PCU.

• 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 PCU. 2. Replace the defective PCU.

• Code: 380
• Description: Drum gear position sensor error
  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. Replace the drum gear position sensor. 2. Replace the PCU.

• Code: 396
• Description: Drum/Development motor error: K
  The machine detects a High signal from the drum/development motor for 2 seconds after the drum/development motor turned on.
• Causes: • Overload on the drum/development motor • Defective drum/development motor • Defective harness • Shorted 24 V fuse on the PSU • Defective interlock system
• Remedy: 1. Check or replace the harness. 2. Replace the drum/development motor. 3. Replace the 24V fuse on the PSU.