Understanding the status LED
135
4. Troubleshooting
LED Status Description
Status
Off The machine is off-line.
The machine is in power save mode.
Green
Blinking When the backlight blinks, the machine is receiving or printing data.
On The machine is on-line and can be used.
Red
Blinking
A minor error has occurred and the machine is waiting for the error to be cleared. Check the display message. When the problem
is cleared, the machine resumes.
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
94).b
On
A toner cartridge has almost reached its estimated cartridge lifea. It is recommended to replace the toner cartridge (see
"Replacing the toner cartridge" on page 97).
The cover is opened. Close the cover.
There is no paper in the tray. Load paper in the tray.
The machine has stopped due to a major error. Check the display message (see "Understanding display messages" on page 137).
A paper jam has occurred (see "Clearing jams" on page 116).
An imaging unit has almost reached its estimated cartridge lifec. It is recommended to replace the toner cartridge
WirelessbBlue
Blinking The machine is connecting to a wireless network.
On The machine is connected to a wireless network (see "Wireless network setup" on page 190).
Off The machine is disconnected from a wireless network.