Ricoh Aficio 401 Operating Instructions Manual page 147

Message
Controller disk error.
Please call for service.
Cover Open
Duplex tray failure has
occurred.
Engine Fatal Error.
Description
A disk error has occurred during
printing. The current print data is
lost. A disk error can indicate a
number of minor
problems.
When a disk error first occurs, the
disk drive attempts the command
again, utilizes extensive
correction capabilities, and remaps
transparent bad sectors. The printer
disk drive provides an error free
media, and no attempt is made to
maintain bad sector tables.
When all of these internal measures
fail, the "Disk Error" message
displays.
A door is open on the machine.
The duplex tray has a mechanical
problem.
An engine error occurred during
printing.
Turn off the machine and turn it on
again.
contact your service representative.
or serious Although the printing function is not
available, you can use the copy
function of the machine by pressing
the [COPY] button.
error
Follow the instructions that display
and close the specified door.
Call your service representative.
Turn the machine off and back on
to use the printer for print jobs that
do not require the use of the duplex
tray.
Contact your service representative.
TROUBLESHOOTING
Action
When the error persists,
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