HP LaserJet 9000 Printer series - Manual (Page 113)

Chapter 5 Problem solving 113
Understanding printer messages
STAPLER LOW
ON STAPLES The stapler device is running out of staples and needs to be refilled.
STAPLER OUT OF
STAPLES The stapler device is out of staples and needs to be refilled.
TRAY xx CONTAINS
UNKNOWN MEDIA
The printer cannot sense what type of media is in the specified tray ( xx ).
TRAY xx EMPTY
alternates with
READY
Load the empty tray ( xx ) to clear the message.
If you do not load the specified tray, the printer will continue printing from the next available tray,
and the message will continue to display.
TRAY xx OPEN
alternates with
READY
The specified tray is open or is not closed completely.
TRAY xx
SIZE=*SELECTED SIZE
alternates with
To change, move
switch in tray x
The custom switch is in the "standard" position, and a value from the menu is selected.
TYPE MISMATCH
TRAY x=[TYPE] The system detected an overhead transparency in the paper path coming from the tray ( xx ).
Message Explanation or recommended action