Control panel message Description Recommended action
52 Scanner Error The product has experienced an internal
hardware error.
Turn off the power by using the power switch,
wait at least 30 seconds, and then turn on the
power and wait for the product to initialize.
If the error persists, replace the DC controller.
If the error persists, replace the product.
79 Error Turn off then on The product has experienced an internal
firmware error. Under most conditions, the
product will power cycle automatically.
Turn off the power by using the power switch,
wait at least 30 seconds, and then turn on the
power and wait for the product to initialize.
If the error persists, perform an NVRAM
initialization.
If the error persists, update the firmware.
If the error persists, replace the formatter.
ADF door is open (fax/memory-card models
only)
The ADF lid is open or a sensor is
malfunctioning.
Make sure that the ADF lid is closed.
Remove the ADF and reinstall it.
If the message persists, turn off the power by
using the power switch, wait at least 30
seconds, and then turn on the power and wait
for the product to initialize.
If the error persists, replace the ADF
assembly.
Comm. error (fax/memory-card models
only)
A fax communication error occurred between
the product and the sender or receiver.
Allow the product to retry sending the fax.
If the error persists, perform a fax test to verify
that the phone line works and is plugged into
the correct port (see
Perform a fax test
on page 248).
See
Solve fax problems (fax/memory-card
models only) on page 246.
Comm. error [Receiver CSID] (fax/memory-
card models only)
A fax communication error occurred between
the product and the receiver.
Allow the product to retry sending the fax.
Unplug the product telephone cord from the
wall, plug in a telephone, and try making a
call. Plug the product phone cord into a jack
for another phone line.
Try a different phone cord.
If the error persists, perform a fax test to verify
that the phone line works and is plugged into
the correct port (see
Perform a fax test
on page 248).
Comm. error [Sender CSID] (fax/memory-
card models only)
A fax communication error occurred between
the product and the sender.
Allow the product to retry sending the fax.
Unplug the product telephone cord from the
wall, plug in a telephone, and try making a
call. Plug the product phone cord into a jack
for another phone line.
Try a different phone cord.
Try sending to a different receiver.
Table 7-10 Control-panel messages (continued)
210 Chapter 7 Problem solve ENWW
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