HP Color LaserJet 2550 Printer series - Manual (Page 106)

Light pattern Error and recommended action
Ready
The Ready (green) light is on and the printer is ready to print. No action is
needed. Pressing ( G
O
) prints a Demo page.
Pressing ( G
O
) and ( C
ANCEL
J
OB
) simultaneously prints a Configuration
page and a Supplies Status page, and also an HP Jetdirect page if an HP
Jetdirect print server is installed.
Processing
The Ready light is blinking. The printer is receiving or processing data.
Pressing ( C
ANCEL
J
OB
) cancels the current job. One or two pages might print
as the printer clears the print job. The printer returns to the Ready state (Ready
light on) after the job has been canceled.
Attention error
The Attention light is blinking in these situations:
● The top cover is open.
● The printer is out of print media.
● The printer has a jam.
For the first cause, close the top cover. For the second cause, load print media.
For the last cause, open and close the top cover after you resolve the problem.
If the problem is not resolved, the Attention light continues to blink.
Interaction state
The Go light is blinking. The top cover has been opened and then closed, or you
pressed ( R
OTATE
C
AROUSEL
). Pressing ( G
O
) returns the printer to the
Ready state. If you do not press ( G
O
), the printer automatically returns to
the Ready state on its own. Pressing ( R
OTATE
C
AROUSEL
) brings another print
cartridge to the top position.
96 Chapter 7 Problem solving ENWW