• Code: J93
• Description: The Original remained in the ADF.
• Remedy:

• Code: J94
• Description: The ADF does not go off after the predetermined time. Unexpected Jam timing (i.e. Original is too short, etc.)
• Remedy:

• Code: U01
• Description: CLOSE FRONT COVER
• Remedy: 1. Front Cover is open. 2. Front Cover Sensor is disconnected. 3. Front Cover Sensor is defective. 4. LVPS connector is disconnected. 5. LVPS is defective. 6. Engine PCB is defective.

• Code: U13
• Description: TONER IS RUNNING LOW or OUT OF TONER
• Remedy: 1. Toner Cartridge is incorrectly installed. 2. Low Toner. 3. Toner Sensor is disconnected. 4. Toner Sensor is defective. 5. Engine PCB connector is disconnected. 6. Engine PCB is defective.

• Code: U16
• Description: NO CARTRIDGE
• Remedy: 1. No Toner Cartridge.

• Code: U20
• Description: CLOSE ADF COVER
• Remedy: 1. ADF Cover is open. 2. ADF is not installed correctly. 3. ADF Cover Sensor is disconnected. 4. ADF Cover Sensor is defective. 5. LVPS connector is disconnected. 6. LVPS is defective.

• Code: U90
• Description: REPLACE BATTERY
• Remedy: Backup Battery is wearing out.