Brother DCP-7030 Service Manual page 68

(11) General communications-related
Code 1 Code 2
B0 02
B0 03
B0 04
BF 01
BF 02
BF 03
* Establishment of FAX communication:
FAX communication is established when the calling station receives a DIS (reception
capability) signal from the called station and the called station receives a NSS or
DCS (communications test) signal from the calling station.
(12) Maintenance mode
Code 1 Code 2
E0 01
E0 02
(13) Equipment error
Code 1 Code 2
FF X X
Unable to receive the next-page data.
Unable to receive polling even during turn-around transmission
due to call reservation.
PC interface error.
Communication canceled by pressing the Stop/Exit button before
establishment of FAX communication*.
Communication canceled by pressing the Stop/Exit button after
establishment of FAX communication*.
Transmission canceled due to a scanning error caused by no
document or document feed problem in ADF scanning in real time
transmission.
Failed to detect 1300 Hz signal in burn-in operation.
Failed to detect PB signals in burn-in operation.
Equipment error
(For X X, refer to "2.1 Error
1-50
Causes
Causes
Causes
indication")
Confidential