Code :
- Code: 978
- Description: Bad checksum while programming network port.
- Remedy: A failure with the network port. If the printer is a network model, replace the controller card.
- Code: 979
- Description: Flash parts failed while programming network port.
- Remedy: A failure with the network port. If the printer is a network model, replace the controller card.
- Code: 980 ... 984
- Description: <device> Comm The engine is experiencing unreliable communications to the specified device.
- Remedy: Service errors 980 through 984, <device> can be one of the following: Engine, Duplex, or Tray x (x=1, 2, or 3).