Control panel message Description Recommended action
Comm. error The product experienced a communication
error while attempting to send or receive a
fax.
Verify that the fax phone line is working
correctly.
Try sending or receiving the fax again.
If the error persists, contact HP. See
www.hp.com/support/ljm1210series or the
support flyer that came in the product box.
Device error
Press [OK]
The product experienced an internal
communication error.
This is a warning message only. Job output
might be affected.
Door open The cover above the print cartridge is open. Close the cover.
Engine comm. Error The product has experienced an internal
hardware error.
1. Turn off the power by using the power
switch, and then wait at least 30
seconds.
2. If a surge protector is being used,
remove it. Plug the product directly into
the wall socket.
3. Turn on the power and wait for the
product to initialize.
If the error persists, contact HP. See
www.hp.com/support/ljm1210series or the
support flyer that came in the product box.
Fax recv. error The product was unable to receive an
incoming fax.
Verify that the fax phone line is working
correctly.
Ask the person who sent the fax to send it
again.
If the error persists, contact HP. See
www.hp.com/support/ljm1210series or the
support flyer that came in the product box.
Fax Send error The product was unable to send the fax. Try sending the fax later, or confirm with the
recipient that the receiving fax machine is
ready.
If the error persists, contact HP. See
www.hp.com/support/ljm1210series or the
support flyer that came in the product box.
Jam in <location>
alternates with
Open door and clear jam
The product has detected a jam in the
location indicated in the message.
Clear the jam from the area indicated in the
message, and then follow the control-panel
instructions. Clearing some jams requires
you to open the top cover and remove the
print cartridge.
Load tray 1 PLAIN <SIZE>
alternates with
Cleaning Mode
The product is performing a cleaning cycle. Load the tray with plain paper of the size
indicated. Press the OK button to start the
cleaning cycle.
Load tray <TYPE>, <SIZE> The tray is empty. Load the tray with the correct type and size of
paper.
190 Chapter 12 Solve problems ENWW
