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

Message Description Recommended Action
54.1 TEMPERATURE
SENSOR ERROR
CYCLE POWER
54.2 CAROUSEL
ERROR
CYCLE POWER
54.3 DENSITY
SENSOR ERROR
CYCLE POWER
55 PRINTER ERROR
CYCLE POWER
56.1 ERROR
CYCLE POWER
Indicates that the humidity
and temperature sensor in the
printer has malfunctioned.
Indicates that the color toner
carousel is not working
correctly.
Indicates a density sensor
error, or the printer is not
receiving data back from the
density sensor.
Indicates a printer command
error. The commands cannot
be exchanged between the
printer and its controller.
Indicates an input feed error
(such as requesting to feed
transparencies through the
duplexer), or the input tray is
not installed.
Turn the printer off and on to
reset the printer. If the
condition persists, contact a
local authorized HP service
representative for service. Do
not operate the printer in
this condition or the printer
can be damaged.
Open the color toner clear
door and look for an
obstruction. If the message
does not clear after closing
the doors, turn the printer off
and on to reset the printer. If
the condition persists, contact
a local authorized HP dealer
or service representative for
service.
Turn the printer off and on to
reset the printer. If the
condition persists, contact a
local authorized HP dealer or
service representative for
service.
Turn the printer off and on to
reset the printer. If the
condition persists, contact a
local authorized HP dealer or
service representative for
service.
If the input tray you are trying
to print from is not installed,
install the input tray. Turn the
printer off and on to reset the
printer. If the condition
persists, contact a local
authorized HP dealer or
service representative for
service.
134 7 Printer Control Panel Messages EN