Canon NP7161/NP7160 Error E400: Exchange of data with the copier has a fault

Copier · taken from the manufacturer’s manual, pages cited

Fault codeE400

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

  1. 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.