Canon G3 Error Code List page 264

Chapter 2: Service Error Codes
##1420 [ TX/RX ] Breach of protocol occurred in layer 5
Cause
• A breach of protocol occurred in the com-
munication procedure for layer 5 (session
layer; i.e., negotiation at session widow size
of 2 or higher).
##1421 [ RX ] Reception is not possible. Error CD
Cause
• The service specified by the transmitting
machine is not available.
• An exception report (error) CD file was re-
ceived.
Remedy
• Start a communication once again.
• A Canon machine operates with the ses-
sion window size fixed to '1'; ask the op-
erator of the other machine to set the win-
dow size parameter to '1'.
• Print out a communications analysis list,
and analyze it.
(Control Document) was received
Remedy
• Check to find out if the terminal on the
transmitting machine is capable of the se-
lected service; then, ask the operator to
transmit once again.
• Print out a communications analysis list,
and analyze it.
2-204