HP Photosmart A310 Compact Photo Printer - Manual (Page 77)

Lights Status Meaning
The Attention light is
flashing red, and the
Print Cartridge light is
flashing red. The print cartridge is
missing, damaged,
incompatible, or
incorrectly inserted.
The Print Cartridge
light is solid red. The print cartridge is
low on ink. When this
light comes on solid
red, about 20% of the
ink remains in the print
cartridge. The ink will
need to be replaced
soon. If you have the
HP Photosmart
software installed, you
can obtain more
precise ink level
information; see the
electronic Help for
instructions.
The PictBridge light is
solid green. The
Attention light is solid
red. The PictBridge camera
connected to the
PictBridge port on the
top of the printer is
using the wrong
connection mode.
Make sure the USB
configuration is set to
Digital Camera.
OR
Indicator lights 73