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CF Series Scanner
Maintenance
Manual
Firmware Rev. S27G and up
Scanner Serial Number
The information contained herein is the property of SCAN-GRAPHICS, Inc., and shall not be reproduced
or copied, or used as the basis for the manufacture or sale of apparatus or service without the written
approval of SCAN-GRAPHICS, Inc., first being obtained.
Scan-Graphics, Inc.
700 Abbott Drive
Broomall, Pennsylvania 19008-4373 Part Number: A62950-6
Teleph
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CF Series Scanner Maintenance Manual (Firmware Rev. S27G and up) © 1989-1996 Scan-Graphics, Inc. All rights reserved. Printed in the United States of America. No part of this document may be used or reproduced in any form or by any means, or stored in a database or retrieval system, without prior written permission of Scan-Graphics, Inc. The information contained herein is the property of Scan-Graphics, Inc., and shall not be reproduced or copied, or used as the basis for the manufactur
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Preface Purpose and Scope The purpose of this manual is to provide the information necessary to keep the CF Series Scanner in proper working order through regular preventive maintenance and provide the required information for a trained electronics technician to effect repairs. This manual takes problem isolation and solution to the subassembly or board level. Related Scangraphics Documentation • CF Series Scanner User’s Manual (A62951-10) This manual is available to factory-
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Section 6--Adjustment, Calibration, and Replacement Contained in this section are the various procedures for adjusting and calibrating the scanner components. It also covers replacement of some components. This treatment is task-oriented. The two appendices are: Appendix A--Terminal Setup This appendix discusses settings required on terminals used with the CF Series Scanner. Appendix B--Replacement Parts List This appendix lists parts that may need replacement and their
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Table of Contents Preface Table of Contents Warranty Revision Record 1 CF SERIES SCANNER: FEATURES AND SPECIFICATIONS 1.1 FEATURES 1.1.1 User Interface 1.1.2 Critical Calibration 1.1.3 Advanced Image Processing 1.1.4 Multiple Resolution 1.1.5 Preview Display Monitoring (option) 1.1.6 Diagnostics 1.1.7 Construction 1.2 SPECIFICATIONS 1.2.1 Functional Specifications 1.2.1.1 Scan Speed 1.2.1.2 Resolution 1.2.1.3 Accuracy/Repeatability 1.2.1.4 Imager Sensor
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2.3 CONNECTIONS 2.3.1 A.C. Power 2.3.2 Video (Optional) 2.3.3 Host/Local Control and Diagnostics Terminal 2.4 POWER-UP 2.4.1 Check Line Voltage 2.4.2 Check Power Supply Voltage (Recommended) 2.5 SYSTEM CHECK 2.5.1 Check Line Splice 2.5.2 Check Merge 2.6 DE-INSTALLATION 3 SYSTEM DESCRIPTION 3.1 MAJOR SYSTEMS OF SCANNER 3.1.1 Scanner Control System 3.1.2 Document Transport System 3.1.3 Document Illumination System 3.1.4 Camera System 3.1.5 Data Handlin
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5 ON-BOARD DIAGNOSTIC SYSTEM 5.1 DIAGNOSTICS TESTS 5.1.1 (1) : Set Global Parameters 5.1.2 (2) : Perform System Initialization 5.1.3 (3) : Parameter Backup 5.1.4 (4) : Set Motor Speed 5.1.5 (5) : Splice Counts 5.1.6 (6) : Focus and Magnification 5.1.6.1 Focus 5.1.6.2 Magnification 5.1.7 (7) : IP LUT 5.1.8 (8) : Merge and Splice Adjustment 5.1.8.1 Line Splice Adjustment 5.1.8.1.1 Adjusting Line Splice Mechanically 5.1.8.1.2 Adjusting Line Splice Electroni
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5.2 SAVING PARAMETER CHANGES TO NON-VOLATILE MEMORIES 5.2.1 Pixel Correction and Exposure Values 5.2.2 System Parameters 6 REPLACEMENT : COMPONENT AND SUB-ASSEMBLY 6.1 Task -- Removing Scanner Covers and Panels 6.2 Task -- Belt Replacement and Tension Adjustment 6.3 Task -- Lamp Installation and Replacement 6.4 Task -- Replacement of White Background 6.5 Task -- Camera Assembly Removal and Replacement 6.6 Task -- Camera Calibration 6.6.1 Video Board Adjustment 6.6.2
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Scangraphics warrants its Scanner Products against defective workmanship and materials for a period of ONE (1) YEAR from date of shipment. Software and MK35 Products are warranted for a period of Ninety (90) days from date of shipment. Scangraphics must be advised in writing, during the warranty period, of any defect or non-conformity within thirty (30) days after discovery of defect. Products or components thereof shall not be returned for inspections, replacement, or repair without the
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Revision Record Rev. No. Date Action 0 12-10-95 Original draft. 1 05-24-96 Added sections 1-4 and Appendices A & B 1 SYSTEM OVERVIEW The CF Series Scanner is a highly versatile data capture device, providing choices in speed and resolution and producing high quality data. It also allows a choice between using a fixed threshold or an adaptive threshold. An adaptive threshold takes into account variations in the shading of the media to yield consistently good results, eve
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1 CF Series Scanner: Features and Specifications This chapter provides a brief overview of the features available and the specifications that apply to the various CF Series Scanner models. 1.1 Features The CF Series Scanners offer a wide range of features that permit the user to set up an ideal configuration for today's needs as well as providing the capability to adapt to new needs in the future. User Interface • Operable from host CPU through software • Operable from scanner keypad (
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Echo Scan, you can fine tune the scan parameters for the best possible image quality in all areas of the document. Diagnostics • Self-diagnostic tests are performed at power-up and on rebooting, unless manually overridden. • More powerful, menu-driven, internal diagnostic software is available for use by factory- trained technicians. Construction • Solid construction based on the 1000 dpi model • Casters for easy placement of the scanner
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1.2 Specifications The scanner is designed to operate in a typical office environment, with options available for different user needs. Functional Specifications • Scan Speed Speed can range from 3.9 to 138.5 inches per minute, depending on the selected scan resolution. Refer to Table 1-A for a comparison of nominal speed to resolution. Interpolated resolutions are available through Scangraphics ScanServ ver 3.0.0 or above. Table 1-A: Nominal Scan Speed/Resolution Chart Output
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• Accuracy/ Repeatability .04% lateral Note: Measured over 40 inches for CF Series 44 scanners, and over 35 inches for CF400/36 scanner. .04% longitudinal Note: Measured over 20 inches for all CF Series scanners. • Imager Sensor Multiple CCD arrays • Transport Continuous feed Input Characteristics • Document Width 44 inches (111.8 centimeters) • Active Scan Width 41 inches (104.1 centimeters) for models CF1000/44 and CF500/44 43 inches (109.2 centimeters) for model CF300/44 36 in
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• Voltage 115 15% volts (a.c.) 220/240 15% volts (a.c.) (optional) • Current 5.5 amps maximum (115 volts) 3.0 amps maximum (220/240 volts) • Frequency 50/60 Hz ±5% Environmental Specifications • Operating Ambient Temperature 18 to 30C (64 to 86F) • Non-Operating Temperature 5 to 40C (41 to 104F) • Humidity The scanner can operate at any humidity level, short of condensation. • Other Environmental Limitations The scanner is designed to operate in a typical office-type environment,
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2 INSTALLATION 2.1 Unpacking The CF Series Scanner comes in a corrugated paper crate mounted to a wooden pallet with four "air-ball" cushions on the bottom. On the inside are packing materials which prevent the unit from shifting around. Immediately upon receipt, check for shipping damage and report any found to the shipper and SCAN-GRAPHICS. When unpacking, discard no materials until you have accounted for the following contents of the box: ° Quantity 1 CF Series Scanner
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2.2 Setup 2.2.1 Document Catch Installation The document catch has three keyhole type slots. Insert the studs on the rear of the scanner (about an inch above the fan) into the three keyhole slots and push down firmly to seat them in the slots. 2.2.2 Environmental Concerns The following conditions must be met to ensure acceptable working conditions for the scanner: 2.2.2.1 Site The site has to be relatively dust free. The environment should also generate a low d
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See Figure xx for an illustration of the connector panel on the back of the scanner showing the various points of connection for the following items. The appearance of the back panel may vary, depending on the type of interface ordered. 2.3.1 A.C. Power Check the line voltage to ensure that it is the proper level for the unit (either 110 or 220, as ordered). Then connect the enclosed A.C. power cord to the scanner and to the wall outlet. The 110 Volt model is not protected if i
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2.5.1 Check Line Splice See Section 5.1.8.1 for details. A specific test document must be used for doing this check. 2.5.2 Check Merge See Section 5.1.8.2 for details. A specific test document must also be used for doing this check. 2.6 DE-INSTALLATION To de-install the CF Series Scanner, remove the cables from the rear of the scanner and lift the document catch up and away from the scanner. If the scanner is to be shipped, replace the scanner in the crate in which it
