The Eltron Company P310 - Manual (Page 85)

Step 2. Unplug the connector for the the motor being replaced from the Daughter
Board.
Step 3. Remove the belt and cam or pulley from the motor being replaced.
Step 4. Remove the three screws holding the motor being replaced and work the
motor out from the bottom of the printer.
980264-001 Rev. B
5-29
CHAPTER 5
Figure 5-29. Middle Panel Parts