MX-5141FN  MX-4140N/4141N/5140N/5141N (MAIN UNIT)  2 – 2
2.  Installation
Note before installation
* When connecting the main unit with the optional STAND/1 X 500
SHEET  PAPER  DRAWER  or  STAND/2  X  500  SHEET  PAPER
DRAWER,  first  unpack  and  install  the  PAPER  DRAWER  then
unpack  the  main  unit  and  securely  place  the  main  unit  on  the
PAPER DRAWER before installing the main unit.
A. Lock release
(1) Tray rotation plate lock release
1) Pull  out  the  tray.  Turn  the  fixing  material  and  remove  it.
Remove the caution label. 
Attach the removed fixing material to the position shown in the
figure for future use. 
Close the tray which was pulled out.
(2) Scanner (2/3 mirror unit) lock release
1) Remove  the  optical  unit  fixing  screw,  and  remove  the  note
label.
B. Developing (each color) installation
Be careful not to attach fingerprints or oily dirt on the DV roller sur-
face.
1) Open the front cabinet, and remove the waste toner box.
2) Check that the lock is released as shown in (A).
Loosen the blue screw, and open the drum positioning unit.
* When the lock is not released, use a screwdriver to turn the
screw (B) counterclockwise so that it is fit as (A).
3) Open  the  DV  lock  lever,  and  release  the  fixing  screw.
(1position for each color)
4) Pinch the knob and remove the development unit.