Brother MFC4820C Service Manual page 182

(8) Signal isolation
Code 1
90
90
(9) Video signal reception
Code 1
A0
A0
A0
A0
A0
A0
A0
A0
A0
A0
A0
A8
A9
Code 2
01 Unable to detect video signals and commands within 6 seconds
after CFR is transmitted.
02 Received PPS containing invalid page count or block count.
Code 2
Error correction sequence not terminated even at the final
03
transmission speed for fallback.
Receive buffer empty. (5-second time-out)
11
Receive buffer full during operation except receiving into
12
memory.
Decoding error continued on 500 lines.
13
Decoding error continued for 10 seconds.
14
Time-out: 5 seconds or more for one-line transmission.
15
RTC not found and carrier OFF signal detected for 6 seconds.
16
RTC found but no command detected for 60 seconds.
17
Receive buffer full during receiving into memory.
18
No video data to be sent
19
Unable to continue to receive color FAX (Remaining ink
20
insufficient)
RTN, PIN, or ERR received at the calling terminal.*
01
RTN, PIN, or ERR received at the called terminal.*
01
Causes
Causes
* Available in German versions only
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