Brother FAX-921 User Manual
Page 159
VI - 8
(4)
Instructions received from the remote terminal [checking the NSC, DTC, NSS, and DCS]
Code 1
Code 2
Causes
40
02
Illegal coding system requested.
40
03
Illegal recording width requested.
40
05
ECM requested although not allowed.
40
06
Polled while not ready.
40
07
No document to send when polled.
40
10
Nation code or manufacturer code not coincident.
40
11
Unregistered group code entered for relay broadcasting function,
or the specified number of broadcasting subscribers exceeding the
limit.
40
12
Retrieval attempted when not ready for retrieval.
40
13
Polled by any other manufacturers' terminal while waiting for
secure polling.
40
17
Invalid resolution selected.
(5)
Command reception [checking the NSF and DIS after transmission of NSS and DCS]
Code 1
Code 2
Causes
50
01
Vertical resolution capability changed after compensation of
background color.