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PRINTER COMPONENTS AND OPTIONS
XEROX DOCUPRINT 4850/4890 IPS INSTALLATION PLANNING GUIDE 3-7
Customer-changeable unit (CCU)
The customer-changeable unit (CCU) contains the replaceable
colored dry ink dispenser bottle and the color developer housing. It is
a self-contained unit that is easily removed from the printer and
stored until needed. Each bottle is uniquely coded to the color of the
housing to ensure that a wrong color is not added to a housing.
Note: Only the color housing can be changed. The black housing
is permanently installed in the printer, and only the ink and developer
bottles are changed.
A changeout cart is used to remove a CCU from the printer and to
transport a CCU to the printer or to another area. Because of the
physical weight of the CCU, the cart is required to change colored dry
ink.
The cart also serves as a storage device for CCUs that are not
currently in use. For example, if you use both the red and blue inks
in your operation, one CCU is always out of the machine in storage
on the cart while the other CCU is installed.
Figure 3-6. Changeout cart with CCU installed
Note: You should have a cart for each CCU, so that one cart is
always empty and available to remove the CCU installed in the
system. However, if your printer is used to print only one color—the
CCU will never be removed—or if there is more than one 4850/4890
printer in operation at your site, it may not be necessary to have one
cart for each CCU. Consult your site representative for more
information.