Voltage Isolation Diagrams

Use the following voltage isolation diagrams to locate the presence or loss of proper DC potentials within the printer. Simplex circuit are shown first, followed by duplex circuits.

DC Power

Supply

J/P8-8

J/P32-3

IGS

Board

J/P74-32

J/P88-32

Signal Interface

Board

J/P73-4

External

Attachment

Connector

Figure 6-1.(Simplex) -12 Vdc Circuits

J/P8-1

J/P77-4

J/P8-10

J/P32-5

 

IGS Board

 

J/P32-6

J/P8-14

 

DC Power

 

Supply

J/P91-5

 

 

PCL Board

 

J/P90-1 J/P42-1

 

J/P94-1

J/P7-1

J/P27-1

J/P7-2

J/P27-2

J/P7-3

J/P27-3

Disk Drive

Operator Panel

Board

Printhead

Board

Figure 6-2.(Simplex) +5 Vdc Circuit

6-16

Wiring Diagrams and Electrical Data

Page 320
Image 320
HP C30 manual Voltage Isolation Diagrams, Simplex -12 Vdc Circuits