HP LaserJet P2055dn - Manual (Page 116)

Control-panel message Description Recommended action
79 Error
Turn off then on
The product has experienced an internal
firmware error. Turn the product power off, wait at least
30 seconds, and then turn the product power
on and wait for it to initialize.
If you are using a surge protector, remove it.
Plug the product directly into the wall socket.
Turn the product power on.
If the message persists, contact HP support.
See
Customer support on page 141 .
79 Service error
Turn off then on
An incompatible DIMM is installed. 1. Turn the product power off.
2. Install a DIMM that the product
supports. See
Supplies and accessories
on page 131 for a list of supported
DIMMs. See Install memory
on page 85 for DIMM installation
instructions.
3. Turn the product on.
If the message persists, contact HP support.
See
Customer support on page 141 .
Device error
Press [OK]
An internal error occurred. Press OK to resume the job.
Door open The product door is open. Close the door.
Genuine HP supply installed A genuine HP supply was installed. This
message will appear briefly after the supply
is installed and then be replaced by the
message Ready. No action necessary.
Install black cartridge The cartridge is either not installed or not
correctly installed in the product. Install the print cartridge. See Change the
print cartridge on page 83 .
Load paper The product is out of paper. Load paper into a tray.
Load tray #
Press [OK] for available media
A tray is configured for the media type and
size that the print job is requesting, but that
tray is empty. Load the correct media into the tray, or press
OK to use media in a different tray.
Load tray 1 plain
Cleaning mode [OK] to start
The product is ready to process the cleaning
operation. Load Tray 1 with plain paper in the size
indicated, and then press
OK .
Load tray 1
Press [OK] for available media
No trays are configured for the media type
and size that the print job is requesting. Load the correct media into tray 1, or press
OK to use media in a different tray.
Manual duplex
Load tray x
Press [OK]
The first side of a manual duplex job has
printed, and the page needs to be loaded to
process the second side. Load the page in the indicated tray with the
side to be printed face up, and the top of the
page away from you and then press
OK .
Manual feed
Press [OK] for available media
The product is set for manual feed mode. Press OK to clear the message or load the
correct media into tray 1.
104 Chapter 10 Solve problems ENWW