Manual page
suggested solutions.
does not
print.
receiving power.
connections. Check the power
switch and the power source.
selected as the
default printer.
Series PCL 6 or Samsung ML-
4550 Series PS as your default
printer.
is not closed.
9.1.
loaded.
cartridge is not
installed.
be in manual feed
mode and out of
paper.
add paper to the multi-purpose
tray, and press OK on the
printer’s control panel.
cable between
the computer and
the printer is not
connected
properly.
and reconnect it.
cable between
the computer and
the printer is
defective.
another computer that is
working properly and try to print
a document. You can also try
using a different printer cable.
incorrect.
setting to make sure that the
print job is sent to the correct
port. If the computer has more
than one port, make sure that
the printer is attached to the
correct one.
does not
print.
(Continued)
be configured
incorrectly.
ensure that all of the print
settings are correct.
may be
incorrectly
installed.
the Software Section. Try
printing a test page.
malfunctioning.
the control panel to determine if
the printer is indicating a
system error.
selects print
media from
the wrong
paper
source.
selection in the
printer properties
may be incorrect.
applications, the paper source
selection is found under the
Paper tab within the printer
properties. Select the correct
paper source. See the
Software Section.
not feed into
the printer.
been loaded
correctly.
and reload it correctly.
Check that the paper size
guides are set correctly.
paper in the tray.
tray.
thick.
printer specifications.
extremely
slow.
very complex.
page(s) or try adjusting the
print quality settings.
To adjust the print quality
settings, reduce the resolution.
If you have set the resolution to
1200 dpi (Best), change it to
600 dpi (Normal). See the
Software Section.
Change the port setting to the
USB or network port to improve
print speed.
Your printer prints A4-sized
paper at 43 ppm and letter-
sized paper at 45 ppm. If you
use the ML-4551ND and install
an option duplex unit in the ML-
4550 or ML-4551N, your printer
prints A4-sized paper at 29 ipm
and letter-sized paper at 30 ipm
in the duplex printing mode.