HL-2030/2040/2070N SERVICE MANUAL
Confidential
2-23
5.2 LED Indications
LED Printer status
Fig. 2-22
Sleep mode
The power switch is off or the printer is in Sleep mode. Pressing
the Go button wakes up the printer from Sleep mode to
Warming up mode. After warming up, the printer will be ready
state.
Warming up
The printer is warming up.
Receiving data
The printer is either receiving data from the computer,
processing data in memory or printing the data.
Fig. 2-23
Data remaining in memory
Print data is left in the printer memory. If the Ready LED blinks
for a long time and nothing has been printed, press the Go
button to print the data that is still in memory.
Fig. 2-24
Ready to print
The printer is ready to print.
Fig. 2-25
Toner low
Indicates that the toner cartridge is nearly empty. Purchase a
new toner cartridge and have it ready for when “Toner Life End”
is indicated.
The Toner LED alternates turning on for 2 seconds and off for 3
seconds.
Toner life end
Replace the toner cartridge with a new one. See 1.2 ‘Toner
Cartridge’ in Chapter 5.
Fig. 2-26
Cartridge position error
The toner cartridge is not installed correctly. Take out the toner
cartridge and put it back into the printer again.
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