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Replacing Consumables and Maintenance Kit
Replacing the Development Unit
If "Replace Black Dev. Unit(TypeD)"
appears on the panel display, replace
1
the black Development Unit.
Replace Black
Dev. Unit(TypeD)
If "Replace Color Dev. Unit(TypeB)"
appears on the panel display, replace
the three color (CMY) Development
Units.
Replace Color
Dev. Unit(TypeB)
Note
❒ A dustproof filter is attached to the
black Development Unit. When
replacing the black Development
Unit, also replace the dustproof fil-
ter. See P.23 "Replacing the Dust-
proof Filter".
❒ When replacing the black Devel-
opment Unit, clean the registration
roller. See P.32 "Cleaning the Regis-
tration Roller".
A
Turn off the power switch and
unplug the power cable.
B
Open the front cover slowly by
pulling down from the two areas
on the left and right.
14
C
Take out the green screwdriver.
Use this screwdriver for all attach-
ment and detachment of screws.
D
Turn the light brown lever coun-
terclockwise.
E
Loosen two screws that are fasten-
ing the inner cover using provid-
ed screwdriver.
You cannot remove these two
ZDJH007J
screws.
ZDJH013J
ZDJH014E
ZDJH015J
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