Xerox DocuPrint 4890 IPS Maintenance Manual page 42

INKS
5-12
7. Turn the backup roller handle counterclockwise for a quarter
turn.
8. Push down firmly on the cart pedal until you hear or feel a click.
If the pallet does not drop, check that the CCU is all the way in
the printer and the pallet is released, then push down on the
pedal again.
9. Remove the cart from the printer and close the cart top cover.
10. Close the printer doors.
11. Store the cart.
XEROX DOCUPRINT 4850/4890 IPS GUIDE TO PERFORMING ROUTINE MAINTENANCE