8550, 8550N, 8550DN, 8550GN, 8550MFP Printer

Message Description Recommended Action
DISK IS
WRITE PROTECTED
DRUM ERROR
REPLACE KIT
DRUM LIFE LOW
REPLACE KIT
DRUM LIFE OUT
REPLACE DRUM KIT
A user has attempted to save
to the printer hard disk or
send a proof and hold job to
the printer while the printer
hard disk is write-protected.
The printer has detected an
error in the imaging drum.
The imaging drum is almost
past its specified life.
The imaging drum is past its
specified life.
See the system administrator
for access to the printer hard
disk.
Open the front door. Raise the
green and blue levers.
Remove the imaging drum.
Reinstall the drum, lower both
of the levers, and close the
front door. If the problem
persists, contact a local
authorized HP dealer or
service representative for
service.
Although printing can
continue, the drum kit should
be replaced for optimum
printer operation. For more
information on replacing the
drum kit, see the installation
guide included with the drum
kit. For more information on
configuring the printer
response to this message,
see “Selecting Toner Low
Response” in chapter 2.
Printing cannot continue until
the drum kit has been
replaced. For more
information on replacing the
drum kit, see the installation
guide included with the drum
kit.
144 7 Printer Control Panel Messages EN