Dell Color Laser Printer 2130cn, Service Manual

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Chapter 7 Wiring Diagrams and Signal Information
1. Connection Wiring Diagram
1.1 Symbols in the General Connection Wiring Diagram
The symbols in the general connection wiring diagram are described below.
Symbol Description
Represents an interconnection between parts using wiring harness or wire.
Represents an interconnection which differs according to the specifications.
Represents an interconnection between parts using a conductive member
such as a plate spring.
Represents a connection between parts by tightening of a screw.
Indicates a frame ground.
Represents a connector. The connector No. is indicated inside the box.
Represents a connection terminal with a plate spring on the printed circuit
board. The connector (terminal) No. is indicated inside the box.
Represents a connector directly connected to the printed circuit board. The
connector No. is indicated inside the box.
The box containing a part name represents a part.
"PL X.Y.Z" indicates the item "Z" of the plate (PL) "X.Y" described in Chapter
5 "Parts List."
Represents a functional part within a part, and indicates the name of the
functional part.
Represents a section in "2. Interconnection Wiring Diagram of Parts," and
indicates its section No.
Represents a screw for fixing wiring harness and a conductive member such
as a plate spring.
Represents a conductive member such as a plate spring.