Xerox Document WorkCentre 450C User Manual page 52

Note If the color print head does not move to the
center of the printer, unplug the WorkCentre's power
cord, wait a few seconds, and then reconnect it.
3. Remove the document tray and open the printer cover.
4. Pull the green carriage lock lever forward and remove
the color print head.
Note If you are changing from black-and-white to
color printing, place the high capacity ink jet cartridge
in the print head storage box. This prevents the ink
from drying out and clogging the ink jets.
5. If you are installing a new color print head, remove the
color ink cartridges from the print head.
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