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Control panel message Description Recommended action
57 Fan Error, Turn off then on The product has experienced a problem with
its internal fan.
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, contact HP. See
www.hp.com/support/CM2320series or the
support flyer that came in the product box.
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 a surge protector is being used, remove it.
Plug the product directly into the wall socket.
Use the power switch to turn the product on.
If a memory DIMM is installed, turn the
product off and remove the DIMM. Then turn
on the product and see if the problem is
resolved. If so, replace the DIMM.
If the error persists, contact HP. See
www.hp.com/support/CM2320series or the
support flyer that came in the product box.
ADF door is open 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, contact HP. See
www.hp.com/support/CM2320series or the
support flyer that came in the product box.
Canceled copy. Clear document The Cancel button was pressed to cancel the
current job while pages were feeding from the
ADF. The cancel process does not
automatically clear the ADF.
Remove the jammed item. See Clear jams
from the ADF on page 215. Then, clear the
items in the ADF tray and start over.
Comm. error [Sender CSID] A fax communication error occurred between
the product and the sender.
Run a fax line test.
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, contact HP. See
www.hp.com/support/CM2320series or the
support flyer that came in the product box.
Device error, press OK Generic engine error. This is a warning message only. Job output
might be affected.
Device is busy. Try again later The product is currently in use. Wait for the product to finish the current job.
Doc feeder jam ADF has not been cleared since previous
jam.
Clear the jam.
Table 15-1 Control-panel messages (continued)
204 Chapter 15 Problem solve ENWW