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Appendix-12
U01721 Communication error occurred during high-speed
transmission. Designated transmission speed
may not be available for the recipient machine.
Reduce the transmission start speed and send
again.
U01800 - U01820 Communication error occurred during reception of
high-speed transmission. Ask the sender to
reduce the transmission speed and send again.
U01821 Communication error occurred during reception of
high-speed transmission. Designated
transmission speed may not be available for this
machine. Ask the sender to reduce the
transmission speed and send again.
U03000 During polling reception, a fax could not be
received because no originals were set in the
other party’s fax machine. Check with the other
party.
U03200 Sub address bulletin board reception was
attempted and the other party’s machine is an our-
brand model, but the specified sub address box
contained no data. Check with the other party.
U03300 An error occurred due to either 1 or 2 below.
Check with the other party.
1 The other party’s machine is an our-brand
model and transmission restrictions were
found set by the other party during polling
reception. Communication was interrupted
because the password was incorrect.
2 The other party’s machine is an our-brand
model and transmission restrictions were
found set by the other party during sub
address bulletin board reception.
Communication was interrupted because the
password was incorrect.
U03400 Polling reception was interrupted because the
password entered by the other party did not match
the Local FAX ID on the receiving machine. Check
with the other party.
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.
Error Code Possible Cause/Action