Fix Canon Error E302: Scanner Error
warning Severity: warning
If your Canon printer is displaying error E302, do not worry – this is a known issue with a proven fix. This error typically indicates scanner error that can usually be resolved without a service call. Follow the steps below to clear this error.
What Causes Canon Error E302?
This error can be triggered by one or more of the following issues:
- Scanner unit hardware failure
- Scanner lamp failure
- Scanner cable disconnected
- Scanner home position sensor failure
How to Fix Canon Error E302
Follow these steps in order. After each step, check whether the error has cleared before proceeding to the next one.
- Step 1: Turn off the printer and wait 30 seconds
- Step 2: Check that the scanner lid opens and closes properly
- Step 3: Look for any objects on the scanner glass preventing the lid from closing
- Step 4: Power on and try scanning again
- Step 5: If the error persists, the scanner unit may need professional service
Affected Canon Printer Models
The following Canon printer models are known to display error E302:
Related Canon Error Codes
If you are troubleshooting error E302, these related error codes may also be relevant:
- 5100 – Carriage Error
- 6000 – Paper Feed Error
- B200 – Printhead Voltage Error
- 1403 – Printhead Not Installed Correctly
- 5B00 – Waste Ink Absorber Full
Frequently Asked Questions
What is Canon error E302?
Error E302 indicates a malfunction in the scanner hardware. The scanner lamp, motor, or sensors may have failed.
Can I still print if I get a scanner error?
On most Canon MFP models, a scanner error does not prevent printing. You should still be able to send print jobs even if the scanner function is disabled by the error.
Error still not resolved?
If the steps above did not fix the error, the issue may require professional service. Contact the manufacturer support line or visit an authorized service center near you.