SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC302-00

SC303-00

D

C

Charger Current Error

When the charging voltage is applied by changing the voltage in three levels, the current value is less than 20µA in one of three levels.

  • Connector defective or disconnected
  • Power pack (PCB19) defective
  • IOB (PCB17) defective
  • Connector defective or disconnected
    Reconnect the following connectors. Then perform a conduction inspection. If there is no conduction, replace the connector.
    • Drum Unit – Power Pack (PCB19) connector
    • Power Pack (PCB19) – IOB (PCB17) connector
  • Power Pack (PCB19) defective
    Replace the Power Pack (PCB19).
  • IOB (PCB17) defective
    Replace the IOB (PCB17).

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC321-00

SC322-00

C

D

Development Unit Non-Installing Error

The sensor output value is 31 or less continuously for 5 seconds.

  • Connector defective or disconnected
  • Toner density sensor defective
  • Connect-Left PCB (PCB20) defective
  • IOB (PCB17) defective
  • Connector defective or disconnected
    Reconnect the following connectors. Then perform a conduction inspection. If there is no conduction, replace the connector.
    • Development Unit – Drum PCB (PCB10) connector
    • Drum PCB (PCB10) – Drum Connection PCB (PCB11) connector
    • Drum Connection PCB (PCB11) – Connect-Left PCB (PCB20) connector
    • Connect-Left PCB (PCB20) – IOB (PCB17) connector
  • Toner density sensor defective
    Replace the toner density sensor.
  • Connect-Left PCB (PCB20) defective
    Replace the Connect-Left PCB (PCB20).
  • IOB (PCB17) defective
    Replace the IOB (PCB17).