Samsung ML-5000 User Guide - Page 92

Understanding the status LED 4. Troubleshooting 92 LED Status Description Off The machine is off-line. • When the backlight slowly blinks, the machine is receiving data from the computer. Blinking Green • When the backlight blinks rapidly, the machine is printing data. On • The machine is on-line and can be used. • 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. For some models that does not support the display screen on the control panel, this feature is not applicable. Blinking • 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 59). Red 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 61). • 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 93). • A paper jam has occurred (see "Clearing paper jams" on page 75). 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.