ErrorCodeDoctor
Canon Printer (imageCLASS) #752 error code
Error code #752 on your Canon imageCLASS printer means an email or I-Fax operation failed because the SMTP or POP3 server name is incorrect or the machine is not correctly connected to the network. Check and correct the server name settings and verify the network connection.
Common causes
- The SMTP or POP3 server name is incorrect
- The domain name is incorrect
- The machine is not properly connected to the network
How to fix it
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1
Check and correct the SMTP server name in the machine's email settings
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2
Check and correct the domain name settings
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3
Verify the machine is properly connected to the network
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4
Try the email or I-Fax operation again
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
#752 error — frequently asked questions
What does the #752 error mean on a Canon printer (imageclass)?
Email or I-Fax failed — incorrect SMTP or POP3 server name or network issue
What causes the #752 error?
The #752 error is usually caused by: The SMTP or POP3 server name is incorrect; The domain name is incorrect; The machine is not properly connected to the network.
Can I fix the #752 error myself?
It's possible for a moderately handy person, but budget 5–10m and expect some disassembly.
How much does it cost to fix the #752 error?
Fixing the #752 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 #752 error?
In most cases yes, but it's best to address the #752 error soon — see the fix steps below to resolve it.