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Kyocera FS9000

Error Codes List page 1

  • Code: A1
  • Description: Uninstalled waste toner conveyer
    The waste toner conveyer is not installed, or the conveyer is clogged inside with waste toner.
  • Causes: • Waste toner converyer is not installed. • The belt is not rotating in the conveyer unit. • Connection failure between the CON1 board and the conveyer board • Engine gate arrays (U2/U6) failure • Defective LED driving circuit on the engine board. Defective LED on the conveyer board. Connection failure between the waste toner conveyer board and the photo transistor. Defective photo transistor. • Contaminated waste toner conveyer housing or photo receptor. • The waste toner driving system in the toner container is not working properly.
  • Code: A2
  • Description: Fuser overheating
    The fuser unit is overheating.
  • Causes: • Defective photo-coupler (low voltage) for heaters • Defective engine gate array U2 • Defective heater control circuit (engine board) or heater temperature detector
  • Code: A3
  • Description: Fuser heater disconnection
    Either or both heater lamp(s) is blown out.
  • Causes: • Blown-out heater lamp(s) • Defective connection between the engine board and the low voltage supply. • Malfunctioning engine CPU • Defective heater disconnection sensor circuit in the low voltage supply • Defective thermo-cut (Replace the fuser unit.)
  • Code: A4
  • Description: Developer unit life-fuse error
    The life fuse won’t cut in the developer unit.
  • Causes: • Defective engine gate array • Defective fuse cut circuit on the engine board
  • Code: B1 ... B6
  • Description: Feed cassette bottom plate motor error
    The feed cassette bottom plate motor won’t revolve.
  • Causes: • Excessive torque on the motor (activating the current protection circuit) • Stuck motor • Defective feed board PU (U1) • Defective motor driver circuit (transistors) or over-current detector circuit
  • Code: C1
  • Description: Duplex communication error
    Communication error between the duplexer and the printer.
  • Causes: • Defective engine gate array (U6) • Defective engine CPU (U1) • Duplexer CPU (U1) malfunction • Defective U2, U5, U6 on duplexer board • Defective connection between KP-544 (YC4) and KP-568 (YC1), KP-568 (YC3) and liaison connector, liaison connector and KP-587 (YC1), or defective liaison connector
Error Code
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