Table of Contents
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Contents
1.
Information ................................................................................................................................................. 4
Revision Table ............................................................................................................................................... 4
Scanners covered by this Service Guide: ...................................................................................................... 4
2.
Design ........................................................................................................................................................ 5
Block Diagram ................................................................................................................................................ 6
Wiring Diagram .............................................................................................................................................. 7
Camera Module layout (CBT) ........................................................................................................................ 8
Scanner Control Unit layout (SUX) ................................................................................................................ 8
3.
Troubleshooting ......................................................................................................................................... 9
Troubleshooting Sequence ............................................................................................................................ 9
Error codes displayed on Keypad ................................................................................................................ 10
Dust problems .............................................................................................................................................. 10
Image quality problems ................................................................................................................................ 11
Stitching problems ........................................................................................................................................ 11
Banding problems ........................................................................................................................................ 12
4.
Part Replacement .................................................................................................................................... 13
Tools Required ............................................................................................................................................. 13
Identifying Parts ........................................................................................................................................... 14
Parts List ...................................................................................................................................................... 15
5.
Replacing Covers ..................................................................................................................................... 17
Right Hand Side Cover ................................................................................................................................ 17
Left Hand Side Cover ................................................................................................................................... 21
Feed Table Cover ........................................................................................................................................ 24
Rear Panel ................................................................................................................................................... 28
OTAC Top Cover ......................................................................................................................................... 30
6.
Replacing Parts ........................................................................................................................................ 33
OTAC Assembly (Guide Plate Assembly) .................................................................................................... 33
Glass Plate ................................................................................................................................................... 38
White Background Plate............................................................................................................................... 41
LED Light Module ......................................................................................................................................... 44
Idle Rollers ................................................................................................................................................... 48
Controller Board (SUX Variant A) ................................................................................................................ 51
Power Supply Unit ........................................................................................................................................ 54
Interconnection Board .................................................................................................................................. 58
Drive Belt ...................................................................................................................................................... 60
Cooling Fan and Filter Kit............................................................................................................................. 63
Paper Sensor ............................................................................................................................................... 66
Inlet Connector and RFI Filter ...................................................................................................................... 68
Stepper Motor .............................................................................................................................................. 70
Feed Rollers & Lid Sensor ........................................................................................................................... 72
Tacho Sensor ............................................................................................................................................... 80
Mirror Unit .................................................................................................................................................... 84
HD Ultra X Service Guide
Page 2
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Table of Contents
