HP Color LaserJet 8550 Multifunction Printer series - Manual (Page 294)

294 Chapter 9 Maintenance and troubleshooting
EN
Service-call message procedures
1 Turn the power switch on the right
rear side of the copy module to the
OFF position.
2 Check the connections between the
printer unit and the copy module.
Make sure that the cable between the
copy module and the printer unit is
firmly connected. (The cable will
snap into position.)
3 Wait for 5 seconds, then turn the
power switch back to the ON
position.
4 Turn on the power button located on
the front of the copy module.
5 If the copy module still does not
operate properly after steps 1-4 have
been performed, turn the power
button on the copy module control
panel OFF, turn the power switch on
the right rear side of the copy module
to the OFF position, and then unplug
the power cord.
6 Contact your service representative.
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