T-5
1-2. Overall Control Configuration
• Understanding the overall control configuration will help you perform the troubleshooting
procedures for media misfeeds, malfunctions, and image problems.
4558F4C503DB
Control Panel
(PWB-O)
Paper Feed
Cassette
Mechanical Control
Board (PWB-A)
Power Supply
Unit 1 (PU 1)
PH Unit
Document
Feeder
Main Unit Drive
System
Control System Line
Image Reading
(IR) Drive System
High Voltage
Unit (HV1)
Controller/Image
Control Board (PWB-I)
Socket Board
(PWB-S)
Power Supply
Unit 2 (PU 2)
Interface Board
(PWB-FAX1) *
NCU Board
(PWB-FAX2) *
* PagePro 1390 MF only