Communication with the copier has failed due to an interruption in data exchange between devices. The manual's first action is: “The communication is monitored at all times. This error occurs when the communication with the copier stops.”
- Model
- Canon NP7161/NP7160
- Display shows
- Exchange of data with the copier has a fault (E400)
- Type
- Fault code
- Source
- Manual p. 333
What E400 means
Exchange of data with the copier has a fault p. 333
Common causes
- Exchange of data with the copier has a fault. p. 333
What to do
- The communication is monitored at all times. This error occurs when the communication with the copier stops. p. 333
If E400 is still not resolved
The manual gives no further instruction for this code. Open the code table in the PDF or contact Canon service.
This page summarises what the manufacturer’s manual says about E400; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Canon. Found a mistake? Report an error.
