• Code: E749-0001
• Description: Reboot instruction initiated by change in PDL configuration
  A change has occurred that calls for turning off and then on the power.
• Remedy: Turn off and then on the power.

• Code: E800-0001
• Description: The interlock 24V mechanism of the fixing unit is identified as being off. With the door closed, the interlock 24V mechanism remains off for 500 msec.
• Remedy: Turn off the main switch, and check the wiring of the DC controller PCB, check the fixing unit interlock, and check the 24V system fuse; then, turn on the interlock main switch.

• Code: E804-0004
• Description: There is any of the various types of fan errors.
  There is an error in the controller cooling fan.
• Remedy: Turn off the main switch, and check the wiring of the DC controller PCB and the 24V system fuse; then, turn on the main switch.

• Code: E804-0007
• Description: There is any of the various types of fan errors.
  There is an error in the power supply cooling fan.
• Remedy: Turn off the main switch, and check the DC controller PCB and the 24V system fuse; then, turn on the main switch.

• Code: E805-0003
• Description: The fixing heat exhaust fan is identified as having stopped or having an error.
  There is an error in the fixing heat exhaust fan.
• Remedy: Turn off the main power, and check the supply of power to the fan; then, as necessary, replace the fan, and turn on the main power.

• Code: E820-0002
• Description: There is an error in the process unit cooling fan.
  There is an error in the process unit fan.
• Remedy: Turn off the main switch, and check the wiring of the DC controller PCB and the 24V system fuse; then, turn on the main switch.

• Code: E824-0000
• Description: There is an error in the primary charging suction/primary charging exhaust fan.
  There is an error in the primary charging suction mechanism.
• Remedy: Turn off the main power, and check the DC controller PCB and the 24V system fuse; then, turn on the main switch.

• Code: E824-0001
• Description: There is an error in the primary charging suction/primary charging exhaust fan.
  There is an error in the primary exhaust fan.
• Remedy: Turn off the main switch, and check the wiring of the DC controller PCB and 2V system fuse; then, turn on the main switch.