• Code: E540-0003
• Description: Tray up/down error
  When the sensor is not reached even after 3000 ms when the standard tray was operated
• Remedy: - Check the standard tray HP sensor connectors. - Check the standard tray clock sensor connectors. - Check the standard tray shift motor connectors. - Replace the standard tray HP sensor. - Replace the standard tray clock sensor. - Replace the standard tray shift motor. - Replace the finisher controller PCB.

• Code: E540-0005
• Description: Tray up/down error
  When the encoder clock signal of the standard tray is not detected for 2 or more times even after 300 ms when the standard tray was operated
• Remedy: - Check the standard tray HP sensor connectors. - Check the standard tray clock sensor connectors. - Check the standard tray shift motor connectors. - Replace the standard tray HP sensor. - Replace the standard tray clock sensor. - Replace the standard tray shift motor. - Replace the finisher controller PCB.

• Code: E540-8001
• Description: Tray up/down error
  - When the tray fails to return to the home position even when the 1st tray shift motor has been driven for 20 sec. - When the tray fails to move to another area even when the 1st tray shift motor has been driven for 4 sec.
• Remedy: - Check the 1st tray shift area sensor connectors. - Replace the 1st tray shift area sensor. - Replace the 1st tray shift motor (M107)

• Code: E540-8002
• Description: Tray up/down error
  When a danger area is reached before the sheet level is detected by the 1st tray sheet level detection sensor during the sheet level detection operation - When a discontinuous area was detected during the tray operation
• Remedy: - Check the 1st tray shift area sensor connectors. - Replace the 1st tray shift area sensor. - Replace the 1st tray shift motor (M107)

• Code: E540-8003
• Description: Tray up/down error
  When the input of the clock signal could not be detected within 0.2 sec. during the operation of the 1st tray shift motor
• Remedy: - Check the 1st tray shift area sensor connectors. - Replace the 1st tray shift area sensor. - Replace the 1st tray shift motor (M107)

• Code: E540-8004
• Description: Tray up/down error
  When the input of the clock signal could not be detected within 0.2 sec. during the operation of the 1st tray shift motor
• Remedy: - Check the 1st tray shift area sensor connectors. - Replace the 1st tray shift area sensor. - Replace the 1st tray shift motor (M107)

• Code: E540-8005
• Description: Tray up/down error
  When the lock detection signal was set to OFF 150 ms after the lock detection signal was set to ON
• Remedy: - Check the 1st tray shift area sensor connectors. - Replace the 1st tray shift area sensor. - Replace the 1st tray shift motor (M107)

• Code: E540-8006
• Description: Tray up/down error
  When the lock detection signal could not be set to ON within 1 sec. after the start of the 1st tray shift motor drive
• Remedy: - Check the 1st tray shift area sensor connectors. - Replace the 1st tray shift area sensor. - Replace the 1st tray shift motor (M107)