Field Service Ver. 1.0 Apr. 2005
Troubleshooting
18. Introduction
• This chapter contains the items required or used when troubleshooting various printer
problems.
18.1 Overall Control Configuration
• Understanding the overall control configuration will help perform the troubleshooting pro-
cedures for paper misfeeds, malfunctions, and image problems.
Automatic Document
Feeder
DC Stabilized Power
Unit (PU)
Paper Feed Cassette
Image Reading (IR)
Drive System
Controller/Mechanical Control
Board (PWB-P)
Main Unit Drive
System
18. Introduction
Control Panel
(PWB-O)
High Voltage Unit
(HV1)
PH Unit
Control System Line
4980T001AA
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