HP Color LaserJet 8550 Multifunction Printer series - Manual (Page 26)

EN Locating the Printer's Parts 25
Use the following table to interpret the status lights on tray 4 and the
multi-bin mailbox.
Light Tray 4 Multi-Bin Mailbox
Solid Green The accessory is on and
ready. The accessory is on and
ready.
Solid Amber The accessory is
experiencing a hardware
malfunction. The accessory is
experiencing a hardware
malfunction.
Flashing Amber The accessory has a media
jam or a page needs to be
removed from tray 4, even if
the page is not jammed.
The lower right door might be
open.
The accessory has a media
jam or a page needs to be
removed from the multi-bin
mailbox, even if the page is
not jammed.
The accessory is not correctly
attached to the printer.
Off The printer might be in Power
Save mode. Press
G O .
The accessory is not
receiving power. Check both
the power supply and the
power cables.
The printer might be in Power
Save mode. Press
G O .
The accessory is not
receiving power. Check both
the power supply and the
power cables.