Brother MFC-7220 - Page 191

Confidential
9-10
Error Code
(Hex)
Symptom Probable Cause Solution
Document jam Remove the jammed
document.
Actuator R caught on the
surrounding parts
Reassemble the actuator R.
Scanning motor F sub ASSY
defective
Replace the scanning motor F
sub ASSY.
Document rear sensor broken
A3 The document rear sensor
does not come ON during
document pull-in operation.
Panel PCB ASSY defective
Replace the panel PCB
ASSY.
A4 Not used.
---
---
A5 FAX scanning failure.
(1st time) (Data scanning
error)
Data scanning is failed. Turn the machine ON, then
OFF. Retry scanning.
Document pressure bar dirty Clean the document pressure
bar.
CIS defective Replace the CIS.
A6 FAX scanning failure. (retry)
(CIS defective)
Main PCB defective Replace the main PCB.
CIS defective Replace the CIS. A7 Color parameter error in
document scanning
Main PCB defective Replace the main PCB.
CIS defective Replace the CIS. A8 CIS scanning time error in
document scanning
Main PCB defective Replace the main PCB.
CIS defective Replace the CIS. A9 Scan gain error in document
scanning
Main PCB defective Replace the main PCB.
AA-AF Not used.
CIS harness not connected
properly
Reconnect the CIS harness.
CIS defective Replace the CIS.
B0 CIS harness connection error
Main PCB defective Replace the main PCB.
CIS defective Replace the CIS. B1 Dark level offset data level
error for scanning.
Main PCB defective Replace the main PCB.
CIS defective Replace the CIS. B2 Gain control data level error
for scanning.
Main PCB defective Replace the main PCB.
CIS defective Replace the CIS. B3 Scan area left edge detection
error.
Main PCB defective Replace the main PCB.
CIS defective Replace the CIS. B4 Scan area right edge
detection error.
Main PCB defective Replace the main PCB.
CIS defective Replace the CIS. B5 Horizontal scanning edge
reduction detection error in
scanning area setting
Main PCB defective Replace the main PCB.
CIS defective Replace the CIS. B6 Horizontal scanning edge
enlargement detection error
in scanning area setting
Main PCB defective Replace the main PCB.
B7 A/D converter reference
voltage error in document
scanning (at High level)
Main PCB defective Replace the main PCB.