Introduction_ 20
Understanding the status LED

Status LEDs

The color of the LEDs indicates the machine's current status.
Status LED Description
Off •The machine is off-line.
Green On •The machine is in ready mode or warming up.
Blinking •When the LED blinks, the machine is receiving
data from the computer or printing documents.
•When the LED blinks rapidly, the machine is
operating special functions.
Red On •The cover is opened. Close the cover
completely.
•There is no paper in the tray. Load paper in the
tray.
•The machine has stopped due to a major error.
•Your system has some problems. If this
problem occurs, contact a service
representative.
•A toner cartridge has almost reached its
estimated cartridge lifea
a.Estimated cartridge life means the expected or estimated toner
cartridge life, which indicates the average capacity of print-outs and is
designed pursuant to ISO/IEC 19752. The number of pages may be
affected by operating environment, percentage of image area, printing
interval, media type, and media size. Some amount of toner may
remain in the cartridge even when red LED is on and the printer stops
printing.
. It is recommended to
replace the toner cartridge (See "Replacing the
toner cartridge" on page 64).
Blinking •When the LED blinks slowly, a small amount of
toner is left in the cartridge. The estimated
cartridge lifea of toner is close. Prepare a new
cartridge for replacement. You may temporarily
increase the printing quality by redistributing the
toner (See "Redistributing toner" on page 55).
•The machine is printing in manual feed mode or
in manual duplex mode.
•A job is being canceled.
Orange On •A paper jam has occurred (See "Clearing paper
jams" on page 55).
Blinking •Upgrading Firmware. Please wait.
Samsung does not recommend using a non-genuine Samsung toner
cartridge such as one that is refilled or remanufactured. Samsung
cannot guarantee a non-genuine Samsung toner cartridge's quality.
Service or repair required as a result of using non-genuine Samsung
toner cartridges will not be covered under the machine warranty.
All printing errors will appear in the Smart Panel program window. If
the problem persists, contact a service representative.

Wireless LED

Wireless LED status Description
Blue Off ( )•Wireless network is
disconnected.
•The machine is in sleep mode.
(Don't be concerned. Wireless is
connecting)
On ( )Wireless network is connected.
Slowly blinks
( )
The machine starts connecting to a
wireless network.
Quickly blinks
()
•The machine is connecting to
access point (or wireless router).
•Wireless network connection is
being disconnected.
Introducing the useful buttons

(WPS) button

By pressing the , you can:
Function Description
To connect a wireless
network Press to set wireless network
environment (See "Setting a wireless network
with the WPS button" on page 27).
To print a demo page
In the ready mode, press and hold for
about 10 seconds until the green LED blinks
slowly, and release.
To print a machine
report In the ready mode, press and hold for
about 15 seconds and release.
To print on a special
paper Print one sheet at a time using the . (See
"Manual feeding in the tray" on page 39.)
To use the duplex
feature Print one sheet at a time using the . (See
"Printing on both sides of the paper (Manual)"
on page 45.)

(Power) button

By pressing the , you can: