E701imageCLASS MF3010

Canon MF3010 Error E701: Controller Communication Failure

Error E701 in Canon imageCLASS MF3010 signals a failure in the communication between the Main Controller and the system's memory modules.

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Common causes

  • 1Firmware corruption
  • 2Mainboard memory failure
  • 3Inconsistent power supply

Solutions

Diagnostic steps

  • Unplug USB: Disconnect from computer to isolate the device.
  • Power Down: Leave the device unplugged for at least one hour to allow capacitors to discharge.

Steps to follow

  1. 1

    Disconnect data

    Unplug the USB interface cable.

Frequently asked questions

Only if the printer reaches a ready state.