HP Color LaserJet 4500 Printer series - Manual (Page 29)

EN
Chapter 2 29
Interpreting Control Panel Indicator Lights
The following table explains the meaning of the printer control panel
indicator lights.
Indicator On Off Flashing
Ready
(green) Printer is online (able to
accept and process
data). Printer is offline. Printer is attempting to
stop printing and go
offline.
Data
(green) Processed data is
present in the printer,
but more data is
needed to complete the
job. No data is being
received or processed. Data is being received
and processed by the
printer.
Attention
(amber) A critical error has
occurred. Printer
requires attention. No conditions exist
that require attention. An error has occurred.
Printer requires
attention.