• Code: E022-0002
• Description: Drum cleaning / waste toner feed drive motor error. Lock signal of Drum cleaning/waste toner feed drive motor (M30) cannot be detected for the specified period of time after first detection • Connector disconnected, breaking (shorting) • Failure of the drum cleaning unit (Overload) • Failure of the waste toner feed screw (Overload) • Failure of the Drum ITB driver PCB (UN6) • Failure of the drum cleaning/waste toner feed drive motor
• Remedy: 1. Check the connection between the drum cleaning/ waste toner feed drive motor and the Drum ITB driver PCB (UN6). (Connection of the connector, Breaking (shorting)) Motor side: J7539, PCB side: J1914 2. Clean the screw in the drum cleaning unit (Bk), or replace the unit. Remove toner clog with the feed screw. 3. Clean the waste toner feed pipe unit, or replace the unit. Remove toner clog with the feed screw. 4. Replace the Drum ITB driver PCB (UN6). 5. Replace the drum cleaning/waste toner feed drive motor

• Code: E023-0101
• Description: Developing stirring motor (Y) error. The lock signal of the developing stirring motor (Y) (M26) cannot be detected within a specified period. • Connector disconnected, breaking (shorting) • Failure of the developing assembly (Sleeve overloaded) • Failure of the DC controller PCB • Contact failure of the drawer connector • Failure of the developing stirring motor
• Remedy: 1. Check the connection between the developing stirring motor (Y) and the DC controller PCB. (Connection of the connector, Breaking (shorting)) Motor side: J7158, J8031 PCB side: J1243 2. Replace the developing assembly (Y). 3. Replace the DC controller PCB. 4. Check the contact of the drawer connector (J8031). 5. Replace the developing stirring motor (Y).

• Code: E023-0102
• Description: Developing stirring motor (Y) error. Lock signal of Developing stirring motor (Y) (M26)cannot be detected for the specified period of time after first detection • Connector disconnected, breaking (shorting) • Failure of the developing assembly (Sleeve overloaded) • Failure of the DC controller PCB • Contact failure of the drawer connector • Failure of the developing stirring motor
• Remedy: 1. Check the connection between the developing stirring motor (Y) and the DC controller interface PCB (UN2). (Connection of the connector, Breaking (shorting)) Motor side: J7158, J8031 PCB side: J1243 2. Replace the developing assembly (Y). 3. Replace the DC controller PCB. 4. Check the contact of the drawer connector (J8031). 5. Replace the developing stirring motor (Y).

• Code: E023-0201
• Description: Developing stirring motor (M) error. The lock signal of the developing stirring motor (M) (M28) cannot be detected within a specified period. • Connector disconnected, breaking (shorting) • Failure of the developing assembly (Sleeve overloaded) • Failure of the DC controller PCB • Contact failure of the drawer connector • Failure of the developing stirring motor
• Remedy: 1. Check the connection between the developing stirring motor (M) and the DC controller PCB. (Connection of the connector, Breaking (shorting)) Motor side: J8031 PCB side: J1243 2. Replace the developing assembly (Y). 3. Replace the DC controller PCB. 4. Check the contact of the drawer connector (J8031). 5. Replace the developing stirring motor (M).

• Code: E023-0202
• Description: Developing stirring motor (M) error. Lock signal of Developing stirring motor (M) (M28) cannot be detected for the specified period of time after first detection • Connector disconnected, breaking (shorting) • Failure of the developing assembly (Sleeve overloaded) • Failure of the DC controller PCB • Contact failure of the drawer connector • Failure of the developing stirring motor
• Remedy: 1. Check the connection between the developing stirring motor (M) and the DC controller interface PCB (UN2). (Connection of the connector, Breaking (shorting)) Motor side: J7156, J8031 PCB side: J1243 2. Replace the developing assembly (Y). 3. Replace the DC controller PCB. 4. Check the contact of the drawer connector (J8031). 5. Replace the developing stirring motor (M).

• Code: E023-0301
• Description: Developing stirring motor (C) error. The lock signal of the developing stirring motor (C) (M27) cannot be detected within a specified period. • Connector disconnected, breaking (shorting) • Failure of the developing assembly (Sleeve overloaded) • Failure of the DC controller PCB • Contact failure of the drawer connector • Failure of the developing stirring motor
• Remedy: 1. Check the connection between the developing stirring motor (C) and the DC controller PCB. (Connection of the connector, Breaking (shorting)) Motor side: J7157, J8038 PCB side: J1243 2. Replace the developing assembly (C). 3. Replace the DC controller PCB. 4. Check the contact of the drawer connector (J8031). 5. Replace the developing stirring motor (C).

• Code: E023-0302
• Description: Developing stirring motor (C) error. Lock signal of Developing stirring motor (C) (M27) cannot be detected for the specified period of time after first detection • Connector disconnected, breaking (shorting) • Failure of the developing assembly (Sleeve overloaded) • Failure of the DC controller PCB • Contact failure of the drawer connector • Failure of the developing stirring motor
• Remedy: 1. Check the connection between the developing stirring motor (C) and the DC controller PCB. (Connection of the connector, Breaking (shorting)) Motor side: J7157, J8038 PCB side: J1243 2. Replace the developing assembly (C). 3. Replace the DC controller PCB. 4. Check the contact of the drawer connector (J8031). 5. Replace the developing stirring motor (C).

• Code: E023-0401
• Description: Developing stirring motor (Bk) error. The lock signal of the developing stirring motor (Bk) (M29) cannot be detected within a specified period. • Connector disconnected, breaking (shorting) • Failure of the developing assembly (Sleeve overloaded) • Failure of the DC controller PCB • Contact failure of the drawer connector • Failure of the developing stirring motor
• Remedy: 1. Check the connection between the developing stirring motor (Bk) and the DC controller PCB. (Connection of the connector, Breaking (shorting)) Motor side: J7152, J8038 PCB side: J1243 2. Replace the developing assembly (Bk). 3. Replace the DC controller PCB. 4. Check the contact of the drawer connector (J8031). 5. Replace the developing stirring motor (Bk).