Brother MFC640CW - Page 269

9-18 Confidential
Error Code
(Hex)
Symptom Probable Cause Solution
E7 Not used.
CIS defective Replace the scanner
cover (scanner unit).
E8 Data scanning error during
transmission.
Main PCB defective Replace the main PCB.
E9 Not used.
Document front sensor
actuator caught on the
surrounding parts
Correct the surrounding
parts on which the
actuator caught.
Document front sensor
defective
Replace the document
front sensor.
EA Document removed at
phase B.*
Main PCB defective Replace the main PCB.
EB-ED Not used.
EE Playback IC error. Main PCB defective Replace the main PCB.
EF-F2 Not used.
F3, F5 Internal software error. Main PCB defective Replace the main PCB.
F4 Not used.
F6 PC interface error. Main PCB defective Replace the main PCB.
F7 Not used.
F8 Battery harness connection
failure
(Available in the
maintenance mode only)
Battery harness not
inserted correctly.
Correct the connection.
F9-FE Not used.
FF Memory management
error.
Main PCB defective Replace the main PCB.
* Phase B: FAX negotiation stage between sending machine and receiving machine