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3-20 DocuTech 128/155/180 HighLight Color Operator Guide
Routine maintenance
4. Push down firmly on the cart pedal until you hear or feel the
pedal catch. The pedal should stay locked down. The pallet
containing the CCU is raised.
5. Using the CCU metal flange, firmly push the CCU into the
printer.
6. Turn the yellow CCU handle counterclockwise for a quarter
turn. If it does not turn, check that the CCU is firmly seated in
the printer.
Figure 3-17 Turning the backup roller handle
counterclockwise
7. Turn the photoreceptor backup roller handle counterclockwise
for a quarter turn.
8. Make sure that the CCU is completely inserted into the
machine to prevent photoreceptor damage.
9. 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.
10. Remove the cart from the printer and close the cart top cover.
11. Close the printer doors.
12. Store the cart.