Sam4s ER-390 SERIES Service Manual page 2

About this Manual
This service manual describes how to perform
hardware service maintenance for the SAM4S
ER-390 Series Electronic Cash Register.
Notes
Notes may appear anywhere in the manual.
They describe additional information about the
item.
Precaution symbols
. Indicates a Safety Precaution that applies to
this part component.
. Indicates the part or component is an
electro-statically sensitive device. Use caution
when handling these parts.