Light meaning and fix
Canon MG3620 Alarm Lamp Flashes Five Times
On the Canon MG3620, five orange Alarm lamp flashes usually point to a cartridge recognition or cartridge installation problem.
On the Canon MG3620, five orange Alarm lamp flashes usually point to a cartridge recognition or cartridge installation problem.
What it means
The printer cannot properly recognize or use the installed cartridge.
Device details
| Device type | Inkjet printer |
|---|---|
| Brand | Canon |
| Model | MG3620 |
| Light name | Alarm lamp |
| Light location | Operation panel |
| Color | Orange |
| Pattern | Five flashes |
| Severity | warning |
| Last verified | 2026-05-02 |
What to do first
Remove and reinstall the cartridge, then verify it is compatible with the MG3620.
- Open the printer cover.
- Remove the cartridge carefully.
- Check for protective tape or packaging left on the cartridge.
- Reinstall the cartridge securely.
- Close the cover and wait for the printer to check it.
- Use a compatible replacement cartridge if the error continues.
When this can be normal
This is not a normal ready state.
When to stop troubleshooting
Stop if a known-compatible cartridge still cannot be recognized.
Parts or products that may help
Only replace parts when the light pattern and official guidance support it. Some lights indicate setup or software states, not broken hardware.
- Compatible Canon FINE cartridge: A cartridge recognition error may require a compatible replacement cartridge.
FAQ
What does five flashes mean on MG3620?
It indicates a cartridge recognition or cartridge installation problem.
Should I check for protective tape?
Yes. Leftover tape can prevent the cartridge from working.
Can generic cartridges cause this?
Incompatible or damaged cartridges can trigger recognition errors.
This guide is based on: Canon MG3620 Flashing Lights.
Source type: official_support_page. Confidence: verified. Last verified: 2026-05-02.
Cartridge recognition errors can be caused by incompatible, damaged, or improperly prepared cartridges.