HP LaserJet 9000 Printer series - Manual (Page 16)

Chapter 1 Printer basics 16
Layout and basic operation of the control panel
Paper handling users LED status interpretation
Use the following table to interpret the status LED on the optional 2,000-sheet input tray (optional Tray 4),
optional 3,000-sheet stacker, and 3,000-sheet stapler/stacker.
Light Optional 2,000-sheet input tray
Optional 3,000-sheet stacker or 3,000-sheet
stapler/stacker
Solid green The accessory is on and ready. The accessory is on and ready.
Blinking green The accessory is in service mode. The accessory is in service mode.
Solid amber The accessory is experiencing a hardware
malfunction. The accessory is experiencing a hardware
malfunction.
Blinking amber The accessory has a jam, or a page needs to
be removed from the tray, even if the page is
not jammed.
The lower right door might be open.
The accessory has a jam, or a page needs to be
removed from the unit, even if the page is not
jammed.
The accessory is not correctly attached to the
printer.
Off The printer might be in PowerSave mode. Press
any key of your choice.
The accessory is not receiving power.
The printer might be in PowerSave mode. Press
any key of your choice.
The accessory is not receiving power.