HP 450 manual Understanding printer buttons and LEDs

Understanding printer buttons and LEDs

For a list of LED (light-emitting diode) combinations and what they indicate, see

LED Reference.

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1Battery charge LED – Lights up in green when battery is charging, and red when there is a battery fault.

2Left print cartridge LED – Lights up in amber when the tri-color print cartridge is low on ink, and blinks when it needs to be replaced.

3Right print cartridge LED – Lights up in amber when the black or photo print cartridge is low on ink, and blinks when it needs to be replaced.

4CANCEL BUTTON – Cancels the current print job. The time it takes to cancel depends on the size of the print job. Press this button only once to cancel a queued print job.

5RESUME BUTTON – Resumes a print job that is waiting or after temporary interruption (for example, when adding print media to the printer).

6Resume LED – Lights up in amber when a print job is waiting, and blinks when the printer requires user intervention (for example, to clear a paper jam or to close an open cover).

7POWER BUTTON – Turns the printer off or on.

8Power LED – Lights up in green when the printer is turned on using the AC adapter or a 41-100% charged battery. When powered by battery, lights up in amber when battery is 10-40% charged, and red when battery is below 10% charged. Blinks during printing.

9Infrared LED – Lights up in green when the printer is receiving from an

infrared-sending device.

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