Brother MFC-9420CN - Page 268

Confidential
9-12
Error Code
(Hex)
Symptom Probable Cause
Solution
Hook of the front open
switch on the front
cover broken
Replace the front cover.
A1 Front cover (scanner unit)
opened.
Front open switch
broken
Replace the front open
switch.
Document jam Remove the jammed
document.
Document rear sensor
actuator caught on the
surrounding parts
Correct the surrounding
parts on which the
actuator caught.
A2 Document length exceeding
the scan limitation.
During scanning, 90 cm or
longer of a document is
detected.
During document feeding or
ejecting, 400 cm or longer of a
document is detected.
Document rear sensor
broken
Replace the document
rear sensor.
Document jam Remove the jammed
document.
Document rear sensor
actuator caught on the
surrounding parts
Correct the surrounding
parts on which the
actuator caught.
A3
The document rear sensor does
not come ON during document
pull-in operation.
Document rear sensor
broken
Replace the document
rear sensor.
A4 50% or more faulty of white
level data. (Not used.)
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A5
FAX scanning failure.
(1st time)
CIS defective
White-level reference
film stained in the
scanner cover
Replace the scanner cover
(scanner unit).
A6 FAX scanning failure. (retry)
Main PCB defective Replace the main PCB.
A7-AA Not used.
CIS defective. Replace the scanner cover
(scanner unit).
AB CIS Resolution failure.
Main PCB defective Replace the main PCB.
AC Less than 50% faulty of white
level data. (Not used.)
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AD-AE Not used.