Service manual

3-12
CD-S500 Series
♦ Removing the Mechanism Unit
1) Remove screws A (2 pcs.) and screws B (4 pcs.), and remove the mechanism unit from the base
frame.
* Use the positioning release slots (4 positions) and disengage the mechanism unit when
removing the mechanism unit.
* If the black mark sensor (optional) is provided, it is necessary to disconnect the cable
connector of the black mark sensor from the main PCB.
Refer to “3-8 Disassembly and Assembly of the Main PCB Unit” and “♦ Removing the Cables”
(Page 3-18).
Positioning release slot
Screw B
Binding head screw M3 × 5
Hole for boss
Boss
Holes for bosses
Positioning release slot
Boss
Mechanism unit
Screw A
Binding head screw M4 × 6
Cable connector of black
mark sensor (optional)
* The above figure shows a standard model.