Error codeE004
The fixing heater (H1) or triac or DC controller PCB is malfunctioning, preventing the heater from operating properly. The manual's first action is: “Execute service mode '412' (error clear) to clear E004. Turn on the power switch. Does the fixing heater turn on?”
- Model
- Canon NP7161/NP7160
- Display shows
- E004
- Type
- Error code
- Source
- Manual p. 275
What E004 means
Fixing heater (H1) p. 275
Common causes
- Fixing heater (H1) p. 275
- Triac p. 275
- DC controller PCB p. 275
- The triac has a short circuit. p. 275
- The DC controller PCB is faulty. p. 275
What to do
- Execute service mode '412' (error clear) to clear E004. Turn on the power switch. Does the fixing heater turn on? p. 275
- Replace the power supply PCB. Is the problem corrected? p. 275
- Check the wiring from the power supply PCB to the DC controller PCB; if normal, replace the DC controller PCB. p. 275
If E004 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 E004; 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.