ErrorCodeDoctor
Canon Printer (imageCLASS) #755 error code
Error code #755 on your Canon imageCLASS printer means TCP/IP is not working correctly and scanned data could not be sent by email or stored on a shared folder or FTP server. Check the TCP/IP settings and make sure an IP address is set correctly. The machine may also need time after startup before it can communicate on the network.
Common causes
- TCP/IP settings are incorrect
- An IP address has not been set
- The machine needs more time after startup to connect to the network
How to fix it
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1
Check the TCP/IP settings on the machine and correct if needed
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2
Make sure a valid IP address is set
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3
If the machine was just turned on wait until the startup wait time for network connection has passed before sending
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4
Try the 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
#755 error — frequently asked questions
What does the #755 error mean on a Canon printer (imageclass)?
TCP/IP is not working correctly — email or network storage operations failed
What causes the #755 error?
The #755 error is usually caused by: TCP/IP settings are incorrect; An IP address has not been set; The machine needs more time after startup to connect to the network.
Can I fix the #755 error myself?
It's possible for a moderately handy person, but budget 5m and expect some disassembly.
How much does it cost to fix the #755 error?
Fixing the #755 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 #755 error?
In most cases yes, but it's best to address the #755 error soon — see the fix steps below to resolve it.