Canon imageCLASS MF656Cdw error E002: Fix Guide
The Canon imageCLASS MF656Cdw error E002 signals a critical failure in the fuser or fixing unit. This code typically appears when sensors detect that the heating element fails to reach target temperature within the expected time frame. How to fix E002 error on Canon imageCLASS MF656Cdw? Often, a complete power-off cycle is sufficient to reset the thermal sensors.
Common causes
- 1Thermistor sensor failure due to thermal fatigue.
- 2Power supply voltage instability.
- 3Hardened toner residue on pressure rollers.
- 4Natural wear of the fuser film sleeve.
Solutions
Quick Diagnosis
If the display shows E002 shortly after startup, the system failed its initial fuser temperature check. This is a hardware-level thermal issue, not a paper jam.Step-by-step Solution
- Power off the printer and unplug it.
- Wait 30 minutes to ensure the fuser unit is completely cool.
- Plug directly into a stable wall outlet, bypassing surge protectors.
- Power on the unit and allow it to complete the warmup phase.
Prevention and Maintenance
Avoid running extremely high-volume print jobs without pauses. Using genuine 067 series toner prevents buildup that can overload the fuser unit.When to call a technician
If the error persists after several power cycles, the thermistor or heating element may be faulty and require professional replacement.Technical Data
- Technology: Color Laser Multifunctional
- Speed: Up to 22 ppm
- Connectivity: Wi-Fi, Ethernet, USB
- Capacity: 250 sheets standard
- Compatible Consumables: Canon 067 / 067H cartridges
- Recommended Use: Small Workgroup
- Official Drivers / Firmware
Steps to follow
- 1
Power off
Power off and unplug for 30 minutes.
- 2
Power verification
Connect directly to a wall socket.
- 3
Testing
Turn on and check if the error clears after warmup.
Frequently asked questions
This error means the fuser unit isn't reaching target temperature, often solved by a cold reboot or thermistor check.
Do not force printing, as this may cause additional damage to fuser gears.
It uses the Canon 067/067H cartridge series.
Professional maintenance is recommended every 50,000 pages.