SATO D508 Service Manual page 64

Throughout the rest of this Service Manual, reference will be made to the main board of the
printer. To access the main board, follow the instructions below.
1 Turn the printer OFF and disconnect the power supply cord.
2 Place the printer with its underside facing upward.
3 Remove the bottom housing cover (See Figure below) by removing four screws.
4 Put the screws in a safe place so that they can be used to re-secure the bottom housing
cover when servicing is complete.
Page 4-4
Screw x4
Figure 4-3, Removing Bottom Cover
SATO D508/D512 Service Manual