Specifications
OPERATION GUIDE Appendix-17
U03500 Sub address bulletin board reception was 
attempted and the other party’s machine is an our-
brand model, but the specified sub address box 
was not registered on the other party’s machine. 
Check with the recipient.
U03600 The other party’s machine is an our-brand model 
and sub address bulletin board reception was 
interrupted because the specified sub address 
password was incorrect. Check with the other 
party.
U03700 Sub address bulletin board reception was 
attempted but the other party’s machine either 
does not have a sub address bulletin board 
communication function or there were no originals 
in any of the originals transfer boxes (sub address 
boxes).
U04000 Specified sub address box is not registered in our-
brand recipient machine, or the sub address does 
not match.
U04100 Recipient machine is not equipped with a sub 
address box function, or the sub address does not 
match.
U04200 Encrypted transmission was canceled because 
the specified box is not registered.
U04300 Encrypted transmission was canceled because 
the recipient fax is not equipped with an encrypted 
communication function.
U04400 Encrypted transmission was canceled because 
the encryption key does not match.
U04401 Encrypted transmission failed during dialing 
because the encryption key is not yet registered.
U04500 Encrypted reception was canceled because the 
encryption key does not match.
U05100 Transmission was canceled because 
communication requirements are not met due to 
the transmission restriction set on this machine.
Check with the recipient.
U05200 Reception was canceled because communication 
requirements are not met due to the reception 
restriction set on this machine.
Error Code Possible Cause/Action










