HP LaserJet 8150 Series Printer -Ready Reference Guide
Control Panel - 4EN
MANUALLY FEED 
[TYPE] [SIZE]
Load the requested paper into Tray 1. 
Press G
O
 if the desired paper is already loaded 
in Tray 1.
Press - V
ALUE
 + to scroll through the available 
types and sizes. Press S
ELECT
 to accept the 
alternate type or size. 
OFFLINE Press G
O
 to place the printer online.
PERFORM PRINTER 
MAINTENANCE
To ensure optimum print quality, the printer 
prompts you to perform routine maintenance 
every 350,000 pages.
TRAY X EMPTY Load the empty tray (X) 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 x LOAD 
[TYPE] [SIZE]
Load the requested paper into the specified 
tray (x).
Ensure that the trays are correctly adjusted for 
size. The tray type settings (and size for Tray 1) 
must be set from the printer’s control panel. 
If you are trying to print A4 or letter size paper, 
and this message appears, make sure the 
default paper size is set correctly from the 
Printing Menu in the printer’s control panel.
Press G
O
 to print from the next available tray.
Press - V
ALUE
 + to scroll through the available 
types and sizes. Press S
ELECT
 to accept the 
alternate type or size. 
Message Explanation










