Notation On The Diagrams For The Wiring And Signal Descriptions Between Components - Epson AcuLaser C4000 Service Manual

EPSON AcuLaser C4000/C4100/C3000
9.3.3 Notation on the Diagrams for the Wiring and
Signal Descriptions between Components
The symbols used in the wiring connection diagrams for parts on the following
pages are as follows. Explanations of commonly used symbols are omitted.
Symbol
P/JXX
YY
PWB DRIVE
PL X.Y.Z
Heater
Control
DEVE_A
Appendix
Description
Shows a plug (female connector).
Shows a jack (male connector).
Shows Pin yy and Jack yy for Pxx/Jxx
connector.
Shows a part.
The "PLx.y.z" number refers to Section 9.1.2
"Parts List Tables", Plate (PL) number 'x.y',
item number 'z'.
Shows a part's internal component, with the
name of that component.
Shows the PWB's internal CONTROLLER,
with its outline.
Shows harness/wire connections between
components, with the signal name/content.
The arrow shows signal direction.
Wiring Diagrams and Signal Information
Symbol
REGI CLUTCH ON(L)+24VDC
EXIT PAPER SENSED(L)+3.3VDC
I/L +24VDC
+5VDC
+3.3VDC
SG
AG
RTN
Revision F
Description
Shows a signal's logic value (Low: L or High:
H) when a function's motion has been
activated. The voltage shown is the signal
strength at High condition.
The arrow shows signal direction.
Shows a signal's logic value (Low: L or High:
H) when function's condition has been
detected. The voltage shown is the signal
strength at High condition.
The arrow shows signal direction.
Shows wiring connections.
Shows DC voltage when the Interlock Switch
of the PWBA MCU & HVPS is ON.
Shows DC voltage.
Indicates signal ground.
Indicates analog ground.
Indicates return.
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