Brother MFC-9420CN - Page 267

Confidential
9-11
Error Code
(Hex)
Symptom Probable Cause Solution
The paper ejection
roller does not rotate
correctly
Replace the paper ejection
roller.
Foreign materials in the
paper path.
Remove foreign materials.
Registration sensor
actuator caught on the
surrounding parts
Correct the surrounding
parts on which the
actuator caught.
Registration sensor
broken
Replace the sensor PCB.
84 Recording paper jam.
(The registration sensor stays
ON after completion of paper
ejection operation.)
Engine controller board
PCB defective
Replace the engine
controller board PCB.
85 No paper tray loaded.
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86 Tray2 Open
87 Paper Type Error
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---
Recording paper not
loaded correctly
Instruct the user to load
the recording
Registration sensor
broken
Replace the registration
sensor.
Separation pad
damaged
Replace the paper tray.
Objects, such as bits of
paper or chips, are in
the paper tray or paper
tray
Remove the objects from
the paper tray.
Paper pick up roller
defective
Replace the paper pick up
roller.
Main motor broken Replace the main motor
ASSY.
88 Recording paper jam. (Even
after paper pulling-in
operation, the registration
sensor is still OFF.)
Engine controller board
PCB defective
Replace the engine
controller board PCB.
89 Not used.
8A The main motor does not
rotate. (Not used.)
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8B The main motor stops
suddenly. (Not used.)
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8C Not used.
8D-A0 Not used.