Samsung ML-331X - Manual (Page 73)

Understanding the status LED
76 4. Troubleshooting
 
8
Jam LED/ WPS LED
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, printing interval, graphics, 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.
Status Description
(Jam LED) Orange On A paper jam has occurred (see "Clearing paper jams" on page 68).
(WPS LED)
Blue On
When the machine is connected to a wireless network, WPS LED lights on blue (see
Advanced Guide).