Brother DCP-6690CW, Service Manual, Page: 140 / 506

4-28 Confidential
* For MFC only
Error Code
(Hex)
Symptom Probable Cause Solution
B0-BC Not used.
BD Black level data error. CIS defective Replace the scanner cover
(scanner unit).
Main PCB defective Replace the main PCB.
BE-DE Not used.
DF, E0 Modem error.* SDAA chip defective Turn the machine off and then
on
Main PCB defective Replace the main PCB.
E1 Not used.
E2 Wired LAN MAC
address not registered. MAC address not registered
correctly in the main PCB Replace the main PCB.
E3 Wireless LAN MAC
address not registered. WLAN PCB defective Replace the WLAN PCB.
E4 Not used.
E5 Not used.
(Write error in
EEPROM on the
cordless PCB.) (The base ID code and
cordless handset ID code
registered are mismatched.) (Reregister the cordless
handset ID code.)
(Replace the cordless handset.)
(Replace the cordless PCB.)
E6 Write error in EEPROM. Main PCB defective Replace the main PCB.
E7
Not used.
(No communication
between cordless PCB
and cordless handset.)
(The base ID code and
cordless handset ID code
registered are mismatched.) (Reregister the cordless
handset ID code.)
(Replace the cordless handset.)
(Replace the cordless PCB.)
E8, E9 Not used