Brother MFC-7470D Basic User's Manual page 86

Error Message
Cover is Open
Cover is Open
Disconnected
Document Jam
Drum Error
Drum Stop
Duplex Disabled
EL Error
78
Cause
The ADF cover is not completely
closed.
The ADF is open while loading a
document.
The fuser cover is not completely
closed or paper was jammed in
the back of the machine when
you turned on the power.
The other person or other
person's fax machine stopped the
call.
The document was not inserted
or fed correctly, or the document
scanned from the ADF was too
long.
The corona wire on the drum unit
needs to be cleaned.
It is time to replace the drum unit. Replace the drum unit. (See Replacing the
The duplex tray is removed or is
not properly installed.
The back of the machine is not
closed completely.
The machine has a mechanical
problem.
Action
Close the ADF cover of the machine.
Close the ADF cover of the machine, then
press Stop/Exit.
 Close the fuser cover of the machine.
 Make sure paper is not jammed inside
the back of the machine, and then close
the fuser cover and press Start.
Try to send or receive again.
See Document is jammed in the top of the
ADF unit on page 84 or Using the automatic
document feeder (ADF) on page 22.
Clean the corona wire on the drum unit.
(See Cleaning the corona wire on page 68.)
drum unit on page 62.)
Carefully put the duplex tray into the
machine until it clicks into place.
Close the back cover of the machine.
Open the front cover and close it again.