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.