ErrorCodeDoctor
Canon Printer (imageCLASS) #751 error code
Error code #751 on your Canon imageCLASS printer means the FTP server could not be reached — either it has not started up or the network connection was interrupted. Check the FTP destination settings and verify the network is working correctly.
Common causes
- The FTP server has not started up or is offline
- The network connection was lost or interrupted
- The IP address is not configured correctly
How to fix it
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1
Verify the FTP server is running and accessible on the network
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2
Check the destination settings for the FTP server
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3
Verify the IP address settings on the machine are correct
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4
Check network connectivity and try 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
#751 error — frequently asked questions
What does the #751 error mean on a Canon printer (imageclass)?
The FTP server is not available or the network connection was lost
What causes the #751 error?
The #751 error is usually caused by: The FTP server has not started up or is offline; The network connection was lost or interrupted; The IP address is not configured correctly.
Can I fix the #751 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 #751 error?
Fixing the #751 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 #751 error?
In most cases yes, but it's best to address the #751 error soon — see the fix steps below to resolve it.