ErrorCodeDoctor
Canon Printer (imageCLASS) #018 error code
Error code #018 on your Canon imageCLASS printer means the fax could not be sent because the recipient's line was busy or their machine did not respond. Try sending the fax again. Ask the recipient to check the status of their fax machine.
Common causes
- The recipient's fax line is busy
- The recipient's fax machine is not responding
How to fix it
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1
Try sending the fax again
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2
Ask the recipient to check their fax machine is operating correctly
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3
If sending overseas add pauses to the fax number
Related Canon Printer (imageCLASS) error codes
#001
An original document has jammed in the feeder
#003
A fax could not be sent or received because the data size is too large
#005
A fax could not be sent because the recipient's machine did not respond within 35 seconds
#012
A fax could not be sent because the recipient's machine has run out of paper
#018 error — frequently asked questions
What does the #018 error mean on a Canon printer (imageclass)?
A fax could not be sent because the recipient's line was busy or did not respond
What causes the #018 error?
The #018 error is usually caused by: The recipient's fax line is busy; The recipient's fax machine is not responding.
Can I fix the #018 error myself?
Yes — this is rated an easy fix that most people can do themselves, typically in 2m.
How much does it cost to fix the #018 error?
Fixing the #018 error on a Canon printer (imageclass) typically costs $0, depending on parts and whether you do it yourself or hire a technician.
Is it safe to keep using my printer (imageclass) with the #018 error?
In most cases yes, but it's best to address the #018 error soon — see the fix steps below to resolve it.