Xerox DocuColor 2240 Service Manual page 534

83-736 No Response to CTC
No response is sent back to CTC transmission, or DCN is received.
Procedure
Switch power off then on. Re-try the Fax job (line quality no good; SC board (modem) failure;
NCU board failure.)
Initial issue
DC 3535/2240/1632, WC M24
83-737 No Response to CTC
No response is sent back to EOR transmission, or DCN is received (CTC/EOR resends).
Procedure
Switch power off then on. Re-try the Fax job. line quality no good; SC board (modem) failure;
NCU board failure.
09/03
2-501
Status Indicator RAPs
83-736, 83-737