Oki B930 Service Manual page 122

Symbols
A frame not having parts name inside denotes the connector (P/J).
XX
Numeric value inside implies the connector number.
A frame of broken line denotes the connector (P/J) written in several places
XX separately.
Numeric value inside implies the connector number.
A frame having parts name inside denotes the parts.
PWBA ABC
PL X.Y.Z implies the item "Z" of plate (PL) "X.Y" in Chapter 5. Parts List.
PL X.Y.Z
A frame of dotted line denotes the section in "2. Wiring Diagram between
1
Parts", and numeric
value implies the section number.
Description
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