HP 8550dn HP Color LaserJet 8550, 8550N, 8550DN, 8550GN, 8550MFP Printer - Use - Page 135

Temperature, Sensor Error, Cycle Power, 2 Carousel, Error, 3 Density, Printer Error, 1 Error

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Message Description Recommended Action 54.1 TEMPERATURE SENSOR ERROR CYCLE POWER Indicates that the humidity and temperature sensor in the printer has malfunctioned. 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. 54.2 CAROUSEL ERROR CYCLE POWER Indicates that the color toner carousel is not working correctly. 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. 54.3 DENSITY SENSOR ERROR CYCLE POWER Indicates a density sensor error, or the printer is not receiving data back from the density sensor. 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. 55 PRINTER ERROR CYCLE POWER Indicates a printer command error. The commands cannot be exchanged between the printer and its controller. 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. 56.1 ERROR CYCLE POWER Indicates an input feed error (such as requesting to feed transparencies through the duplexer), or the input tray is not installed. 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

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134
7 Printer Control Panel Messages
EN
54.1 TEMPERATURE
SENSOR ERROR
CYCLE POWER
Indicates that the humidity
and temperature sensor in the
printer has malfunctioned.
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.
54.2 CAROUSEL
ERROR
CYCLE POWER
Indicates that the color toner
carousel is not working
correctly.
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.
54.3 DENSITY
SENSOR ERROR
CYCLE POWER
Indicates a density sensor
error, or the printer is not
receiving data back from the
density sensor.
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.
55 PRINTER ERROR
CYCLE POWER
Indicates a printer command
error. The commands cannot
be exchanged between the
printer and its controller.
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.
56.1 ERROR
CYCLE POWER
Indicates an input feed error
(such as requesting to feed
transparencies through the
duplexer), or the input tray is
not installed.
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.
Message
Description
Recommended Action