Brother MFC640CW - Page 268

9-17 Confidential
Error Code
(Hex)
Symptom Probable Cause Solution
BA Not used.
CIS defective Replace the scanner
cover (scanner unit).
BB White level data error.
Main PCB defective Replace the main PCB.
BC Not used.
CIS defective Replace the scanner
cover (scanner unit).
BD Black level data error.
Main PCB defective Replace the main PCB.
CIS defective Replace the scanner
cover (scanner unit).
CIS flat cable broken
or not connected
Correct the cable
connection.
Replace the scanner
cover (scanner unit).
Main PCB defective Replace the main PCB.
BE Scan starting edge
detection error.
White film stained in
the scanner unit.
Replace the scanner
cover (scanner unit).
BF-CF Not used.
D
*
Modem error. Main PCB defective Replace the main PCB.
E0-E3 Not used.
The paper tray cannot
feed paper
Replace the paper tray.
Registration sensor
actuator unhooked
Set the registration
sensor actuator into
place.
Main PCB defective Replace the main PCB.
E4 Out of recording paper.
(Not used.)
Clutch gear not
switched between the
idle gear L and purge
gear
Check the engagement of
the clutch gear and clean
it.
E5 Not used.
E6 Write error in EEPROM. Main PCB defective Replace the main PCB.