Solution

  1. Print the image and make sure the density is not low.

  2. Execute SP2-112-001 (TM/ID Sensor Check Execute).
  3. Check SP2-112-010 (TM/ID Sensor Test General:FCR).
    • Normal If the result is "111"
      --> Execute other countermeasures.
    • Vsg adjustment has failed if the result is "2xx", "x2x", or "xx2"
      -->Execute recovery operation for SC370
    • It is highly likely that contaminants, scars, or irregularities exist on the belt if the result is "3xx", "x3x", or "xx3"
  4. Execute SP2-112-001 (TM/ID Sensor Check Execute) again.
  5. Check SP2-112-010 (TM/ID Sensor Test General:FCR).
    • If the problem persists, replace the image transfer belt unit/image transfer belt.
    • If the result is "5xx", "6xx", "7xx", "8xx", "x5x", "x6x", "x7x", "x8x", "xx5", "xx6", "xx7", or "xx8": The belt may be stained or twisted. Remove the image transfer belt and check whether its surface is stained or scratched. If it is stained, clean it.
  6. Execute SP2-112-001 (TM/ID Sensor Check Execute) again.
  7. Check SP2-112-010 (TM/ID Sensor Test General:FCR).
  8. If the problem persists, replace the image transfer belt unit/image transfer belt.