Kyocera KM-C2520 Operation Manual page 232

Reference Information
U01721
U01800 - U01820
U01821
U02200
U02400
U03000
U03200
U03300
U03400
U03500
10-12
A communication error occurred during transmission at high
transmission speed. The destination party's FAX may not have the
corresponding high speed reception capabilities. If the destination
party's FAX number was dialed using an abbreviated number or
one-touch key, change the transmission speed registered for that
number to a lower setting and perform transmission procedures again.
A communication error occurred during reception at high transmission
speed. Perform reception procedures again after having the
transmitting party lower the transmission speed.
A communication error occurred during reception at high transmission
speed. Your unit may not have the corresponding high speed
reception capabilities. Perform reception procedures again after
having the transmitting party lower the transmission speed.
An F-Code Based Relay Broadcast Transmission command was
received, but transmission to the remaining final destination(s) was
impossible because the destination FAX phone number(s) that
was(were) registered for the corresponding F-Code Relay Box in your
FAX machine has(have) been deleted. Check the information
registered in your FAX and have the initial transmitting station perform
the transmission operation again.
An F-Code Based Relay Broadcast Transmission command was
received, but was unsuccessful because the F-Code Relay Box ID that
the initial transmitting station entered did not match the one registered
in your FAX. Check the information registered in your FAX and have
the initial transmitting station perform the transmission operation
again.
Polling Reception was attempted, but was unsuccessful because no
documents had been placed in advance in the transmitting party's
FAX. Check with the transmitting party.
The transmitting party's FAX is one of our models and an F-Code
Based Bulletin Board Reception was attempted in order to receive
documents from that party's F-Code Box, but was unsuccessful
because there were no documents stored in the corresponding
F-Code Box.
An error has occurred due to one of the following reasons. Check with
the other party.
(1) A Polling Reception was attempted in order to receive documents
from the other party's FAX, but was unsuccessful because TX/RX
Restriction was turned ON in the other party's FAX and the
necessary password did not match.
(2) The transmitting party's FAX is one of our models and an F-Code
Based Bulletin Board Reception was attempted in order to receive
documents from that party's F-Code Box, but was unsuccessful
because TX/RX Restriction was turned ON in the other party's FAX
and the necessary password did not match.
Polling Reception was attempted, but was unsuccessful because the
password input in the transmitting party's FAX and the self-station ID
of the receiving party did not match. Check with the other party.
The transmitting party's FAX is one of our models and an F-Code
Based Bulletin Board Reception was attempted in order to receive
documents from that party's F-Code Box, but was unsuccessful
because the F-Code Box number that you entered was not registered
in the other party's FAX.