HP Deskjet 2540 All-in-One Printer - Manual (Page 13)

Light behavior Cause and Solution
cartridge. For more information, see Replace ink
cartridges on page 41 .
◦ Determine if the ink cartridge is defective. For
more information, see Identify a defective cartridge
on page 69 .
◦ If the ink cartridge is counterfeit, replace the
corresponding ink cartridge with an original HP ink
cartridge, or press any button, except the Cancel
button, to resume printing.
On button light, Wireless status light, Wireless Direct status
light, letter “E”, the media error indicator, the wireless
strength indicator, Attention light, and both cartridge lights
are blinking.
The printer is in an error state.
To exist the error state, reset the printer.
1. Turn printer off.
2. Unplug the power cord.
3. Wait a minute, plug power cord back in.
4. Turn on the printer.
If the problem persists, contact HP.
Wireless status light is blinking and the signal bar is cycling. ● The printer is establishing a wireless network
connection.
● WPS is in progress.
Wireless status light is blinking and the wireless strength
indicator is solid on.
There is no wireless signal.
● Make sure your wireless router or access point is
powered on.
● Move the printer closer to the wireless router.
Wireless status light and the wireless strength indicator are
blinking.
The printer has a problem establishing the wireless network,
an error occurs or overlap session is detected when using
WPS.
Turn off wireless by pressing the Wireless button to clear the
error.
ENWW Status lights 9