User`s guide
HP Printer Adapter User’s Guide 5- 9
LED Status Indicators
State Connection
/Activity
LED (blue)
Power/Status
LED (green,
and amber)
Description
Power on self test
Blinking Blue Blinking Green Blinks for the duration of the power on
self-test.
Ready
N/A Solid Green Self-test passed. Device ready.
No connection or
activity with
Bluetooth
technology
Blinking Blue N/A Device is waiting for a connection – no
connection is currently established.
Connection with
Bluetooth
technology
Solid Blue N/A connection established.
Activity (RX or TX)
Solid Blue N/A LED remains solid blue when there is
link activity.
Printer I/O
activity/self test
page
N/A Blinking Green USB or 1284 (parallel port) activity.
Printer adapter
error, Self test
failure, Flash
update failure, USB
overcurrent
N/A Blinking Amber Any firmware or hardware failure not
covered by other states.
Failure to
communicate with
printer (I/O error)
N/A Solid Amber Printer communication error.
Configuration/Firm
ware update mode
N/A Amber/Green
toggle
Bi-colored LED toggles while in
configuration mode and while the flash
memory is being reprogrammed.