User Guide

Understanding the LEDs | 144
Understanding the LEDs
The color of the LED indicates the machine's current behavior.
• Some LEDs may not be available depending on model or country (see "Control panel
overview" on page 22).
• To resolve the error, look at the error message and its instructions from the
troubleshooting part (see "Understanding display messages" on page 147).
• If the problem persists, call a service representative.
Status LED
LED Status Description
Status
Off The machine is off-line.
Green
On The machine is on-line and can be used.
Blinking
When the machine is receiving or printing data, the
backlight blinks.
Orange
On The machine has stopped due to a major error.
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 life
a
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 128).
b
• The cover is opened. Close the cover.
• There is no paper in the tray when receiving or printing
data. Load paper in the tray.
• A paper jam has occurred (see "Clearing paper jams" on
page 142).
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, graphics, media and
media size. Some amount of toner may remain in the cartridge even when orange LED is on and the
printer stops printing.
b.Some LEDs may not be available depending on model or country (see "Control panel overview" on page
22).