Brother MFC620CN Service Manual page 333

(4) Instructions received from the remote terminal [checking the NSC, DTC, NSS, and DCS]
Code 1
40
40
40
40
40
40
40
40
40
(5) Command reception [checking the NSF and DIS after transmission of NSS and DCS]
Code 1
50
Code 2
02 Illegal coding system requested.
03 Illegal recording width requested.
05 ECM requested although not allowed.
06 Polled while not ready.
07 No document to send when polled.
10 Nation code or manufacturer code not coincident.
13 Polled by any other manufacturers' terminal while waiting for
secure polling.
17 Invalid resolution selected.
20 Invalid full-color mode requested.
Code 2
01 Vertical resolution capability changed after compensation of
background color.
Causes
Causes
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