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Canon error code #852

Quick answer

The machine turned off unexpectedly during a job. Check that the power plug is firmly inserted into the outlet.

Before you try the solution

  1. 1. Copy the complete message exactly as shown, including any letters, spaces, or punctuation around #852.
  2. 2. Find the printer's exact model number. The same-looking code can mean something different on another model family.
  3. 3. Let the current print, scan, or update operation stop before touching controls, paper paths, or covers.

Manufacturer-documented solution

The machine turned off unexpectedly during a job. Check that the power plug is firmly inserted into the outlet.

Model scope: Canon's imageCLASS error-code documentation for your exact model

If the error is still there

  1. 1Return to the screen or job that produced the message and check whether the code has cleared.
  2. 2If #852 returns, do not repeat a risky procedure. Record when it appears and check the documentation for the exact model.
  3. 3If the documented action does not clear #852, contact Canon support or a qualified printer technician with the model number and complete message.

Other Canon error codes

All Canon error codes

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Manufacturer reference

The meaning and documented action above were taken from the manufacturer source below.

Countermeasures for Each Error Code (Canon imageCLASS laser manual)

Verified against manufacturer documentation, last checked 2026-08-13. PrintDiag has no printers and no technician, so nothing here is claimed as tested on hardware.