• Code: 031
• Description: Transmitting document was longer than 2 meter (or 78.7 in).
• Causes: The document may jam. Defective Read Point Sensor.

• Code: 041
• Description: Out of toner.
• Causes: No toner. Defective Toner Sensor.

• Code: 043
• Description: Low toner.
• Causes: Toner is getting low. Defective Toner Sensor.

• Code: 045
• Description: No Toner Cartridge.
• Causes: Toner cartridge has not been installed. Defective Toner Sensor (Cartridge Sensor).

• Code: 051
• Description: Printer Motor abnormal.
• Causes: Connector not properly connected. Defective Printer Motor. Defective SC PCB.

• Code: 054
• Description: HSYNC abnormal. Motor abnormal.
• Causes: Defective Laser Unit.

• Code: 060
• Description: Printer Cover is open.
• Causes: Cover is not firmly closed. Connectors are not firmly connected.

• Code: 061
• Description: ADF Door is open.
• Causes: Door is not firmly closed. Connectors are not firmly connected.