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Control panel message Description Recommended action
79 Error
Turn off then on
The product has experienced a firmware
error
1. Turn off the power by using the power
switch.
2. If a surge protector is being used,
remove it. Plug the product directly into
the wall socket.
3. Wait at least 30 seconds, and then turn
on the power and wait for the product to
initialize.
4. If the error persists, contact HP. See
www.hp.com/support/ljm1530series or
the support flyer that came in the
product box.
ADF door is open The document feeder door is open. Close the document feeder door.
Device error
Press OK to continue
The product experienced an internal
communication error.
1. Turn off the power by using the power
switch.
2. If a surge protector is being used,
remove it. Plug the product directly into
the wall socket.
3. Wait at least 30 seconds, and then turn
on the power and wait for the product to
initialize.
4. If the error persists, contact HP. See
www.hp.com/support/ljm1530series or
the support flyer that came in the
product box.
Doc. feeder jam The product has experienced a document
feeder jam.
Clear the document feeder jam.
Door open The print cartridge door is open. Close the print cartridge door.
Engine comm. Error The product has experienced an internal
hardware error.
1. Turn off the power by using the power
switch.
2. If a surge protector is being used,
remove it. Plug the product directly into
the wall socket.
3. Wait at least 30 seconds, and then turn
on the power and wait for the product to
initialize.
4. If the error persists, contact HP. See
www.hp.com/support/ljm1530series 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 print cartridge door and
remove the print cartridge.
Jam in cartridge area The product has detected a paper jam in the
print cartridge area.
Clear the jam from the area indicated in the
message, and then follow the control panel
instructions.
210 Chapter 12 Solve problems ENWW