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ROUBLESHOOTING
9.13
9
[Incompatible]
(only for the SCX-
4720F/4720FS)
The remote machine did
not have the requested
feature, such as a
delayed transmission.
This message also occurs
if the remote machine
does not have enough
memory space to
complete the operation
you are attempting.
Reconfirm the remote machine’s
features.
[Jam 1] or [No
Cartridge]
Paper has jammed in the
fuser area.
Or, the toner cartridge is
not installed.
Clear the jam. See page 9.7.
Or, install the toner cartridge. See
page 2.5.
[Line Busy]
(only for the SCX-
4720F/4720FS)
The receiving party did
not answer or the line is
already engaged.
Try again after a few minutes.
[Line Error]
(only for the SCX-
4720F/4720FS)
Your machine cannot
connect with the remote
machine or has lost
contact because of a
problem with the phone
line.
Try again. If the problem persists,
wait an hour or so for the line to
clear and try again.
Or, turn the ECM mode on. See
page 7.40.
Load Document You have attempted to
set up a copy or fax
operation with no
document loaded into the
ADF.
Load a document into the ADF and
try again.
[LSU Error] A problem has occurred
in the LSU (Laser
Scanning Unit).
Unplug the power cord and plug it
back in. If the problem persists,
please call for service.
Memory Full
(only for the SCX-
4720F/4720FS)
The memory is full. Delete unnecessary documents
and retransmit after more
memory becomes available.
Alternatively, split the
transmission into more than one
operation.
MP Tray Jam A paper jam has
occurred in the
Multipurpose tray.
Or, the machine detects
improper feeding from
the Multipurpose tray.
Clear the jam. See page 9.10.
Or, load paper in the Multipurpose
tray correctly. See page 3.6.
Display Meaning Suggested solutions