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Scanner
AD280
Service manual
Avision AD280 Service Manual
Sheet-fed scanner
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
1 Introduction
General Notes for Servicing
2 Precautions of Installation/Transportation
Precautions of Installation
Transportation
3 Theory of Operation
Introduction
Main Control Unit
System Diagram
Cable Connection
Power Supply
4 Problem Solving
Diagnostics
Online Diagnostics
Offline Diagnostics
Diagnostic Flowcharts
Troubleshooting
Flowcharts
Tables
5 Cleaning the Scanner
Cleaning the Adf
Cleaning the Adf Glass
6 Disassembly
Procedure for Disassembly and Reassembly
Notes on Disassembly
Removing the Output Tray
Removing the Input Tray
Removing the Reverse Roller
Removing the Reverse Roller Cover
Removing the Front Cover
Removing the UI Board
Removing the Top Cover and Bottom Cover
Removing the Left/Right Covers
Removing the Upper Base and Bottom Base
Removing the Glass Assembly from Upper Base
Removing the Springs from Upper Base
Removing the LED Light Bar from Upper Base
Removing the Gear from Upper Base
Removing the CCD Assembly from Upper Base
Removing the Ultrasonic Transmitter from the Upper Base
Removing Sensor Board from Upper Base
Removing the Conductive Brush
Removing the Idle Roller/Metal Cover/Spring from the Upper Base
Removing the Idle Roller/Metal Cover/Spring /Jam Sensor from the Upper Base
Removing the Plastic Hooks from the Upper Base
Removing the Latch Hook from the Upper Base
Removing the Paper-In Sensor from the Upper Base
Removing the Short Shaft from the Upper Base
Removing the Roller Holder and Spring from the Upper Base
Removing the Top Cover from the Bottom Base
Removing the Long Spring from the Bottom Base
Removing the Roller Cover from the Bottom Base
Removing the Pick-Up Roller and ADF Roller from the Bottom Base
Removing the Shaft Mount from the Bottom Base
Removing the Glass Assembly from the Bottom Base
Removing the Belt from the Bottom Base
Removing the Feeding Rollers from the Bottom Base
Removing the LED Light Bar from the Bottom Base
Removing the Main Board
Removing the Bottom Cover
Removing the CCD Assembly from the Bottom Base
Removing the Ultrasonic Receiver from the Bottom Base
Removing the Motor Assembly from the Bottom Base
Removing the Motor from the Bottom Base
Removing the Input Tray Hinges from the Bottom Base
Checking Conductivity after Replacement of Metal Parts
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1
Problem Solving
2
Diagnostics
3
Troubleshooting
4
Tables
5
Cleaning the Adf
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Sheet-fed Scanner AD280/AD260
Service Manual
Avision Inc.
P/N 253-0142-E
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