e004imageCLASS MF656Cdw
Canon imageCLASS MF656Cdw error E004: Motor Fault
The Canon imageCLASS MF656Cdw error E004 signals that the main motor is experiencing unexpected resistance, causing a stall. The printer automatically stops to preserve the drive gears. Why does Canon imageCLASS MF656Cdw show error E004? It is most commonly caused by an improperly seated toner cartridge or paper blockage.
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Common causes
- 1Faulty or jammed toner cartridge.
- 2Mechanical gear blockage.
- 3Internal paper debris.
- 4Main motor circuit failure.
Solutions
Diagnóstico rápido
If you hear grinding noises upon power-up, the motor is struggling. Why does Canon imageCLASS MF656Cdw show error E004? Inspect the toner compartment for blockages first.Solución paso a paso
- Remove all four toner cartridges.
- Look inside the printer for stuck paper remnants.
- Check the toner cartridges for loose plastic parts.
- Reinsert them one by one to see which triggers the stall.
Prevención y mantenimiento
Only use genuine Canon toner cartridges to ensure correct mechanical alignment. Keep the internal track clean.Cuándo llamar a un técnico
If the motor remains stalled without any toner installed, the motor controller or gear unit requires factory service.Ficha técnica del equipo
- Technology: Laser color
- Motor: High-precision stepper
- Connectivity: Wi-Fi/Ethernet
- Compatible consumables: 069 Toner Series
- Recommended use: Small business offices
- Official drivers / firmware
Frequently asked questions
The main motor cannot reach target speed due to excessive friction.
Removing obstructions often resolves this; otherwise, consult support.
Yes, a faulty toner cartridge can seize the drive train.
Wipe with a lint-free cloth every few months.