• Code: SC348
• Description: Toner hopper motor error. 2 sec. after the motor START signal is output, a LOCK signal cannot be detected.
• Remedy: • Motor harness disconnected, loose, or defective • Powder pump overload • Sub hopper overload • Toner hopper motor defective

• Code: SC360
• Description: TD sensor (Vt high) error 1: K The Vt value of the black, magenta, cyan, or yellow TD sensor exceeds 4.5V for two counts.
• Remedy: • Black, magenta, cyan, or yellow TD sensor disconnected • Harness between TD sensor and PCU defective • Defective TD sensor. 1. Turn the machine OFF and ON. 2. Check the black, magenta, cyan, or yellow TD sensor connector and harness between the TD sensor and PCU for damage. 3. Check the drawer connector. 4. Replace the TD sensor. 5. After replacing the black TD sensor: • Do SP3801 003-006 to initialize the new black, magenta, cyan, or yellow TD sensor. • Execute SP3820 001 to do auto process control manually.

• Code: SC361
• Description: TD sensor (Vt high) error 2: M The Vt value of the black, magenta, cyan, or yellow TD sensor exceeds 4.5V for two counts.
• Remedy: • Black, magenta, cyan, or yellow TD sensor disconnected • Harness between TD sensor and PCU defective • Defective TD sensor. 1. Turn the machine OFF and ON. 2. Check the black, magenta, cyan, or yellow TD sensor connector and harness between the TD sensor and PCU for damage. 3. Check the drawer connector. 4. Replace the TD sensor. 5. After replacing the black TD sensor: • Do SP3801 003-006 to initialize the new black, magenta, cyan, or yellow TD sensor. • Execute SP3820 001 to do auto process control manually.

• Code: SC362
• Description: TD sensor (Vt high) error 3: C The Vt value of the black, magenta, cyan, or yellow TD sensor exceeds 4.5V for two counts.
• Remedy: • Black, magenta, cyan, or yellow TD sensor disconnected • Harness between TD sensor and PCU defective • Defective TD sensor. 1. Turn the machine OFF and ON. 2. Check the black, magenta, cyan, or yellow TD sensor connector and harness between the TD sensor and PCU for damage. 3. Check the drawer connector. 4. Replace the TD sensor. 5. After replacing the black TD sensor: • Do SP3801 003-006 to initialize the new black, magenta, cyan, or yellow TD sensor. • Execute SP3820 001 to do auto process control manually.

• Code: SC363
• Description: TD sensor (Vt high) error 4: Y The Vt value of the black, magenta, cyan, or yellow TD sensor exceeds 4.5V for two counts.
• Remedy: • Black, magenta, cyan, or yellow TD sensor disconnected • Harness between TD sensor and PCU defective • Defective TD sensor. 1. Turn the machine OFF and ON. 2. Check the black, magenta, cyan, or yellow TD sensor connector and harness between the TD sensor and PCU for damage. 3. Check the drawer connector. 4. Replace the TD sensor. 5. After replacing the black TD sensor: • Do SP3801 003-006 to initialize the new black, magenta, cyan, or yellow TD sensor. • Execute SP3820 001 to do auto process control manually.

• Code: SC364
• Description: TD sensor (Vt low) error 1: K The Vt value of the black, magenta, cyan, or yellow TD sensor is below 0.5V for 10 counts.
• Remedy: • TD sensor harness disconnected, loose, defective • A drawer connector (located on the rear of a development unit) disconnected, loose, defective • TD sensor defective 1. Turn the machine OFF and ON. 2. Check the TD sensor connector and harness between the TD sensor and PCU for damage. Replace it if necessary. 3. Check the drawer connector. 4. Replace the TD sensor. 5. After replacing the TD sensor: • Do SP3801 003-006 to initialize the new black, magenta, cyan, or yellow TD sensor. • Execute SP3820 001 to do auto process control manually.

• Code: SC365
• Description: TD sensor (Vt low) error 2: M The Vt value of the black, magenta, cyan, or yellow TD sensor is below 0.5V for 10 counts.
• Remedy: • TD sensor harness disconnected, loose, defective • A drawer connector (located on the rear of a development unit) disconnected, loose, defective • TD sensor defective 1. Turn the machine OFF and ON. 2. Check the TD sensor connector and harness between the TD sensor and PCU for damage. Replace it if necessary. 3. Check the drawer connector. 4. Replace the TD sensor. 5. After replacing the TD sensor: • Do SP3801 003-006 to initialize the new black, magenta, cyan, or yellow TD sensor. • Execute SP3820 001 to do auto process control manually.

• Code: SC366
• Description: TD sensor (Vt low) error 3: C The Vt value of the black, magenta, cyan, or yellow TD sensor is below 0.5V for 10 counts.
• Remedy: • TD sensor harness disconnected, loose, defective • A drawer connector (located on the rear of a development unit) disconnected, loose, defective • TD sensor defective 1. Turn the machine OFF and ON. 2. Check the TD sensor connector and harness between the TD sensor and PCU for damage. Replace it if necessary. 3. Check the drawer connector. 4. Replace the TD sensor. 5. After replacing the TD sensor: • Do SP3801 003-006 to initialize the new black, magenta, cyan, or yellow TD sensor. • Execute SP3820 001 to do auto process control manually.