HP (Hewlett-Packard) LJ 4000T Printer User Manual


 
EN LaserJet 1200 Series printer control-panel light messages 11
1
The printer has an error.
The door is open, the
media is out, the toner
cartridge is installed
incorrectly, or the media is
jammed.
1. Check that the toner
cartridge door is
completely closed.
2. Load media into the
correct input tray.
3. Check that the toner
cartridge is correctly
installed in the printer.
4. Clear any jam.
5. Check that the door
and toner cartridge
interlocks are operating
correctly.
A printer initialization is
taking place. All lights
blink for a half second or
longer in a sequence for
one of the following
reasons:
The printing is
initializing.
All previously sent print
jobs are being deleted
from the printer
memory.
A cleaning page is
printing.
No action is necessary.
The printer has a fatal
error. All lights are on.
1. Turn the printer off and
back on.
2. Unplug the printer for 5
minutes, plug it back in,
and turn it on.
3. If the printer still has an
error, press the
GO
button.
Control-panel light messages (continued)
Message Possible causes Solutions