• Code: 495
• Description: Toner recycling unit error
  Encoder pulse does not change for 3 s after the main motor switches on.
• Causes: • Waste toner transport has stopped due to motor overload • Toner end sensor detective, disconnected
• Remedy:

• Code: 496
• Description: Toner collection bottle error
  The toner collection bottle set switch remains off when the front door is closed.
• Causes: • No toner collection bottle set • Poor connection of the switch connector
• Remedy:

• Code: 497
• Description: Toner collection motor error
  The toner collection motor connector set signal remains off for 1 s.
• Causes: • Toner pump motor defective • Motor connector loose, disconnected
• Remedy:

• Code: 501
• Description: Tray 1 lift malfunction
  • The lift sensor is not activated within 10 s after the tray lift motor starts lifting the bottom plate. • When the tray lowers, the tray lift sensor does not go off within 1.5 s. • Tray overload detected when the tray is set. • The lower limit sensor of the LCT does not detect the lower limit within 10 s.
• Causes: • Tray lift motor defective, disconnected • Paper or other obstacle trapped between tray and motor • Pick-up solenoid disconnected, blocked by an obstacle • Too much paper loaded in tray Note • At first, the machine displays a message asking the operator to reset the tray. • This SC will not display until the operator has pulled the tray out and pushed it in 3 times. • If the operator turns the machine off/on before the 3rd opening and closing of the tray, the 3-count is reset.
• Remedy:

• Code: 502
• Description: Tray 2 lift malfunction
  • The lift sensor is not activated within 10 s after the tray lift motor starts lifting the bottom plate. • When the tray lowers, the tray lift sensor does not go off within 1.5 s. • Tray overload detected when the tray is set.
• Causes: • Tray lift motor defective or disconnected • Paper or other obstacle trapped between tray and motor • Pick-up solenoid disconnected or blocked by an obstacle • Too much paper loaded in tray Note • At first, the machine displays a message asking the operator to reset the tray. • This SC will not display until the operator has pulled the tray out and pushed it in 3 times. • If the operator turns the machine off/on before the 3rd opening and closing of the tray, the 3-count is reset.
• Remedy:

• Code: 503
• Description: Tray 3 lift malfunction
  • The lift sensor is not activated within 10 s after the tray lift motor starts lifting the bottom plate. • When the tray lowers, the tray lift sensor does not go off within 1.5 s. • Tray overload detected when the tray is set.
• Causes: • Tray lift motor defective or disconnected • Paper or other obstacle trapped between tray and motor • Pick-up solenoid disconnected or blocked by an obstacle • Too much paper loaded in tray Note • At first, the machine displays a message asking the operator to reset the tray. • This SC will not display until the operator has pulled the tray out and pushed it in 3 times. • If the operator turns the machine off/on before the 3rd opening and closing of the tray, the 3-count is reset.
• Remedy:

• Code: 504
• Description: Tray 4 lift malfunction
  • The lift sensor is not activated within 10 s after the tray lift motor starts lifting the bottom plate. • When the tray lowers, the tray lift sensor does not go off within 1.5 s. • Tray overload detected when the tray is set.
• Causes: • Tray lift motor defective or disconnected • Paper or other obstacle trapped between tray and motor • Pick-up solenoid disconnected or blocked by an obstacle • Too much paper loaded in tray Note • At first, the machine displays a message asking the operator to reset the tray. • This SC will not display until the operator has pulled the tray out and pushed it in 3 times. • If the operator turns the machine off/on before the 3rd opening and closing of the tray, the 3-count is reset.
• Remedy:

• Code: 507
• Description: LCT feed motor malfunction
  One of the following conditions is detected: • The LD signal from the feed motor is detected abnormal for 50 ms after the motor switches on. • At power on, the motor is detected loose or disconnected.
• Causes: • Feed motor defective • Feed motor connector disconnected • Obstacle interfering with mechanical movement of motor
• Remedy: