ii
Contents
1. INTRODUCTION.............................................................................................1-1
1.1 GENERAL NOTES FOR SERVICING.............................................................1-1
2. PRECAUTIONS OF INSTALLATION/TRANSPORTATION ..................................2-1
2.1 PRECAUTIONS OF INSTALLATION ............................................................. 2-1
2.2 TRANSPORTATION ................................................................................. 2-1
3. THEORY OF OPERATION ................................................................................3-1
3.1 INTRODUCTION..................................................................................... 3-1
3.2 MAIN CONTROL UNIT.............................................................................. 3-2
3.2.1 System diagram.......................................................................... 3-2
3.2.2 Cable Connection......................................................................... 3-3
3.2.3 Power supply .............................................................................. 3-3
4. PROBLEM SOLVING........................................................................................4-1
4.1 DIAGNOSTICS....................................................................................... 4-1
4.1.1 Online diagnostics........................................................................4-1
4.1.2 Offline diagnostics .......................................................................4-2
4.1.3 Diagnostic flowcharts ................................................................... 4-3
4.2 TROUBLESHOOTING...............................................................................4-5
4.2.1 Flowcharts.................................................................................. 4-5
4.2.2 Tables........................................................................................4-8
5. CLEANING THE SCANNER...............................................................................5-1
5.1 CLEANING THE ADF.................................................................................... 5-1
5.2 CLEANING THE ADF GLASS ........................................................................... 5-3
6. DISASSEMBLY................................................................................................6-1
6.1 PROCEDURE FOR DISASSEMBLY AND REASSEMBLY..................................... 6-1
6.1.1 Notes on disassembly...................................................................6-1
6.1.2 Removing the Output Tray............................................................ 6-2
6.1.3 Removing the Input Tray.............................................................. 6-3
6.1.4 Removing the Reverse Roller......................................................... 6-6
6.1.5 Removing the Reverse Roller Cover................................................ 6-8
6.1.6 Removing the Front Cover ............................................................6-9
6.1.7 Removing the UI Board .............................................................. 6-12
6.1.8 Removing the Top Cover and Bottom Cover................................... 6-14
6.1.9 Removing the Left/Right Covers .................................................. 6-17
6.1.10 Removing the Upper Base and Bottom Base .................................. 6-19
6.1.11 Removing the Glass Assembly from Upper Base............................. 6-22
6.1.12 Removing the Springs from Upper Base........................................ 6-23
6.1.13 Removing the LED Light Bar from Upper Base................................ 6-24
6.1.14 Removing the Gear from Upper Base............................................ 6-26
To Next Page
Loading...
