HP LaserJet 9000 Printer series User Manual
Page 111
Chapter 5
Problem solving
111
Understanding printer messages
PERFORM PRINTER
MAINTENANCE
The printer has passed its prescribed printed page threshold between maintenance procedures.
To ensure optimum print quality, the printer prompts you to perform routine maintenance every
350,000 pages. To order a Printer Maintenance Kit, see the introduce guide on the product CD,
or go to
.
RAM DISK DEVICE
FAILURE
alternates with
READY
The RAM disk had a critical failure and can no longer be used.
Turn the printer off, and then turn the printer on to clear the message.
RAM DISK FILE
OPERATION FAILED
alternates with
READY
The requested operation could not be performed. You might have attempted an illegal operation,
such as trying to download a file to a non-existent directory.
RAM DISK FILE
SYSTEM IS FULL
alternates with
READY
Delete files and then try again, or turn the printer off, and then turn the printer on to delete all
files on the device. (Delete files using HP LaserJet Resource Manager or another software
utility. See the software help for more information.)
If the message persists, increase the size of the RAM disk. Change the RAM disk size from the
Configuration menu in the printer control panel (See
“System setup submenu” on page 186
).
RAM DISK
IS WRITE PROTECTED
alternates with
READY
The RAM disk is protected, and no new files can be written to it.
RESEND UPGRADE
There is an error in the printer firmware flash. Resend a valid firmware image.
Message
Explanation or recommended action