Xerox DocuColor 2240 Service Manual page 531

83-730 HDLC Frame Send Error
Modem CS is not turned on in response to RS request during command transmission/high-
speed training.
Procedure
Switch power off then on. Re-try the Fax job. If the problem persists, replace the modem?
Status Indicator RAPs
83-730, 83-731
83-731 V.8 Error
V.8 parameter N.G.
Procedure
Switch power off then on. Re-try the Fax job
09/03
2-498
Initial issue
DC 3535/2240/1632, WC M24