Troubleshooting a Canon BJC-620 Printer
Calibrate the Ink Cartridges
If you are encountering this error after recently installing new ink cartridges, you might need to calibrate the printer to detect the new ink. Here are the steps:
- Turn the printer off
- Take out the ink cartridges
- Unplug the printer’s power source, either from the wall outlet or the back of the printer
- Beside the black ink cartridge there is a paper thickness lever, press it down to the bottom setting for plain paper
- Close the cover of the printer
- Plug the printer in and press and hold down the Power button and the button marked FF
- Now you will hear a tone and the print heads will move - when they stop press Online and you will hear more tones
- Move the paper thickness lever up to the envelope position
- Close the cover
- Press the FF button again - the printer should make a tone and then turn off
- Unplug the printer again and reinstall all the cartridges
- Set the paper lever back to the plain paper position
Diagnose a Print Head Error
If this isn’t an appropriate description of your problem, or if this fails to resolve your problem, you might have a print head error. This is especially likely if, when you turn on the printer, the Error light flashes and at least one of the Print Mode lights continue to flash for more than 3 minutes. The first time that you turn your printer on, a few minutes of flashing is normal and ok, as the printer initializes and sets itself up. However, if the flashing continues and doesn’t abate, you might have another problem.
Resolve a Print Head Error
To troubleshoot a print head error, follow these steps.
- Turn off the power by pressing down the Power button
- Unplug the power from the printer
- Wait for half a minute then reattach the power cord
- Remove the ink cartridges
- Next, you will remove the print head, and might want to refer to your user’s manual for diagrams.
- Press the tabs that are on either side of the compartment cover to remove it
- Take out the print head
- Re-insert the print head
- Close the cover
- Re-insert the ink cartridges
- Turn the power on

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