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 19798. 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 red 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 26).

The machine is connecting to a wireless network.

The machine is connected to a wireless network (see "Wireless network setup" on page 195).

The machine is disconnected from a wireless network.

The machine is in power save mode.

The machine is in ready mode or machine's power is off.

Eco mode is on (see "Eco printing" on page 69).

Eco mode is off.

Description

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4. Troubleshooting