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Problem Resolution
COMMUNICATION ERROR CODES (Continued)
TRANSMIT ERRORS (500 level codes continued) – Code numbers not listed are not used
CODE DESCRIPTION COMMENTS
561 DCN received DCN was received in a response to the transmitted signal.
Check diagnostic bits 11 and 12.
562 Line disconnect Receiver sent DCN and dropped the line after waiting 3 sec-
onds for a received frame or the line signal was gone more
than 0.2 seconds.
563 No response on all retries The connection was lost with the receiver either because the
line was lost or the receiver hung up.
564 Irrelevant response The response received following the transmission of PPS-
NULL, PPS-MPS, PPS-EOM was incorrect. Check diagnos-
tic bits 11 and 12.
565 No cont. with next message Set by a transmitter (ECM) when it aborted retransmissions
of current block/page/document after 4 unsuccessful retries
and possible fallbacks in modem speed.
566 At least one page not confirmed ERR was received from the receiver in response to EOR–
MPS, -EOP, -EOM, or -NULL.
These examples will help understand how the communication error coding works.
What the user sees on the display: NOISY LINE
What is in the error code: 463
Code description: 4 = Receive
6 = State VIIIa
3 = T30R LINE DISCONNECTED
What it means: The user was receiving a document from a remote transmitter when
the line disconnected.
What the user sees on the display: LINE BUSY
What is in the error code: 501
Code description: 5 = Transmit
0 = State T
1 = T30R LINE BUSY
What it means: The user was attempting to transmit a document and was in the first
state (T) of transmit. The line on the other end was already
off-hook.