Canon NP7161/NP7160 Error E904

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

Fault codeE904

The waste toner box swing cam home position sensor or cassette relay PCB is faulty. The manual lists no action for this code.

Model
Canon NP7161/NP7160
Display shows
E904
Type
Fault code
Source
Manual p. 334

What E904 means

The waste toner box swing cam home position sensor is faulty. p. 334

Common causes

  • The waste toner box swing cam home position sensor is faulty. p. 334
  • The cassette relay PCB is faulty. p. 334

If E904 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 E904; 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.