Colortrac SmartLF Gx25m Manual de usuario

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Page 2 of 107

SmartLF Gx Service Manual

SmartLF Gx Scanners

Gx25m, Gx25c & Gx25e

Gx42m, Gx42c & Gx42e

GxT25m, GxT25c & GxT25e

GxT42m, GxT42c & GxT42e

Service Manual

Revision 2.0

©Colortrac Ltd 2008

This document should not be copied without

prior permission from:

Colortrac Ltd.

Kings Hall,

St. Ives Business Park,

St. Ives,

Huntingdon,

Cambridgeshire,

PE27 4WY.

United Kingdom.

Tel: +44 (0)1480 464618

Fax: +44 (0)1480 464620

www.colortrac.com

Colortrac Ltd makes no warranty with respect to this document and disclaims any implied warranties

of merchantability or fitness for a particular purpose. Information in this document is subject to

change without notice. Colortrac Ltd assumes no responsibility for errors that may appear in this

document.

Notes:

Page 3 of 107

SmartLF Gx Service Manual

Contents

Chapter Description Page

1 Introduction 4

1.1 Models Covered By This Manual 4

2 Tools Required 5

3 How To Contact Technical Support 5

4 Safety 6

4.1 Safety Warnings 6

4.2 EMC Testing 6

5 Removing Scanner Panels 7

5.1 Removing Left Hand End Cover 7

5.2 Removing Right Hand End Cover 8

5.3 Opening Rear Access Panel 9

5.4 Remove Rear Panel 10

5.5 Removing Paper Tray Extrusion and Support Extrusion 12

5.6 Removing Paper Tray 15

5.7 Removing Scan Glass 17

5.8 Removing Extrusion Covers 20

6 Replacing Scanner Components 23

6.1 Replacing Lamps 23

6.2 Replacing Main Board 26

6.3 Replacing PSU 30

6.4 Replacing Lamp Ballast Board 36

6.5 Replacing Main Timing Belt 40

6.6 Removing Drive Rollers 44

6.7 Replacing Paper Sensors 48

6.8 Replacing Camera Unit 49

6.8.1 Replacing Gx Camera Board 54

6.8.2 Aligning the Gx Camera 58

6.8.3 Focus of Gx Cameras 68

6.9 Replacing Control Board 71

6.10 Replacing The Paper Hold Down Roller 74

6.11 Setting up the Paper Hold Down Roller 80

6.12 Replacing the Right Hand Raising Lid Belt 81

6.13 Replacing the Left Hand Raising Lid Belt 87

7 Voltages 93

7.1 PSU Output 93

8 Utilities Software 94

8.1 Installation of the SmartLF Gx Utilities Program 94

8.2 Running the Utilities in the Engineering Menu 94

8.3 Normalisation 95

8.4 Auto / Manual Stitch 97

8.5 Motor Speed 104

8.6 USB 105

8.7 Updating the firmware & Driver 106

Notes:

Page 4 of 107

SmartLF Gx Service Manual

1 Introduction

1.1 Models covered by this manual

This manual contains information to assist in the repair and maintenance of the SmartLF Gx

scanners from Colortrac.

It acts as a reference to service engineers who are approved by Colortrac.

There are 12 models consisting of two types:

Standard lid (Gx)

Raising lid (GxT):

SmartLF Gx25m & GxT25m

Monochrome

Scan width of 25". Optical resolution of 1200 x 600dpi. Mono and Greyscale scanning only.

SmartLF Gx25c & GxT25c

Colour

Scan width of 25". Optical resolution of 1200 x 600dpi. RGB (24-bit and 48-bit captured),

Mono and Greyscale scanning at reduced speed.

SmartLF Gx25e & GxT25e

Enhanced

Scan width of 25". Optical resolution of 1200 x 600dpi. RGB (24-bit and 48-bit captured),

Mono and Greyscale scanning with enhanced speed.

SmartLF Gx42m & GxT42m

Monochrome

Scan width of 42". Optical resolution of 1200 x 600dpi. Mono and Greyscale scanning only.

SmartLF Gx42c & GxT42c

Colour

Scan width of 42". Optical resolution of 1200 x 600dpi. RGB (24-bit and 48-bit captured),

Mono and Greyscale scanning at reduced speed.

SmartLF Gx42e & GxT42e

Enhanced

Scan width of 42". Optical resolution of 1200 x 600dpi. RGB (24-bit and 48-bit captured),

Mono and Greyscale scanning with enhanced speed.

This manual shows how to replace the boards that make up the SmartLF Gx range of

scanners. The GxT42e scanner was used for photos, and is representative of all the scanner

models, so images and component quantities may vary slightly for each model.

Notes:

Page 5 of 107

SmartLF Gx Service Manual

2 Tools Required.

To work on the SmartLF scanners, certain tools will be required. See list below. The

acquisition of these tools is strongly recommended.

1. Medium sized Pozi-drive screwdriver

2. 5.5mm Nut Spinner.

3. 7mm Nut-spinner.

4. 1.5 mm Allen Key

5. 2.5mm Allen Key

6. Cleaning fluid

7. Lint free wipes

Services CD's are available from the Colortrac support department. Please send an e-mail to

the support address (see below) giving company name and address to send disk to. These

CD’s are ONLY available for approved engineers and will NOT be issued to end-users

3 How to contact Technical Support

Although Colortrac technical support group will do their best to help any service engineer in

difficulties in the field, we accept no responsibility if a non-approved distributor/engineer

damages any part of the scanner during a field visit. Or if an end user removes any panels

under instruction from a distributors engineer or on his own accord.

When contacting support with a support issue, please include the following with initial e-mail:

•Serial Number

•Scanner Model and type (Gx or GxT, 25 or 42)

•Exact problem

•Firmware / driver version.

Contact numbers for the Technical Support Group:

Tel No: +44 (0)1480 464618

Fax No: +44 (0)1480 464620

E-mail address:

[email protected]

Support Downloads site:

www.colortrac.com/smartdownload

User name: smartlf

Password: support

Support FTP site:

www.colotracsupport.co.uk

user name: colortrac

password: service

Notes:

Page 6 of 107

SmartLF Gx Service Manual

4. Safety

4.1 Safety Warnings

ELECTRICAL

Do NOT remove covers from the scanner while it is turned on or operate the

scanner with this cover removed

It is very important to allow the scanner to discharge before removing cover

and the boards. The boards can hold a charge and can give a shock if

touched.

MECHANICAL

The mechanism that operates the lid and the paper handling assembly can

trap fingers please handle with care

WEIGHT

Since the weight of the scanner is approximately 49Kg (without the stand, and 57Kg with

the stand) and is

must

have a minimum of

two

people to lift it safely.

ROTATING ROLLERS

The scanner operates two sets of rollers to move the image across the scanner. These

rollers, could grip ties and any other similar articles of clothing, as well as long hair if put

near the rollers during operation.

4.2 EMC Testing

All Colortrac scanners, which includes the

 Gx model, have under gone and conform

to EMC and FCC .The EMC test is carried out to assure that no stray signals that could

cause interference are emitted from the scanner or that no external signal will interfere with

the scanner. See back for full information.

NOTE: PLEASE FOLLOW ANTI-STATIC PRECAUTIONS AT ALL TIMES

WHEN HANDLING COLORTRAC AND  BOARDS.

Notes:

Page 7 of 107

SmartLF Gx Service Manual

5 Removing Scanner Panels

5.1 Removing Left Hand End Cover

1. Remove the 5 x M5 pan head screws that hold the cover to

the scanner.

2. Remove the end cover and keep it in a safe place, along with

the 5 x M5 screw until re-assembling.

Notes:

Page 8 of 107

SmartLF Gx Service Manual

5.2 Removing Right Hand End Cover

1. Remove the 5 x M5 pan head screws holding the end cover to

the scanner

2. Remove the end cover and keep it in a safe place, along with

the 5 x M5 screw until re-assembling.

Notes:

Page 9 of 107

SmartLF Gx Service Manual

5.3 Opening Rear Access Panel.

Always disconnect the USB and power cable before carrying out

any work on the scanner.

1. Remove the 5 x M3 pan head screws that are holding the

panel in place. It is recommended that the central screw is the

last to be removed, and even then it is not full removed until

the access panel is supported.

2. Supporting the access panel with you hand, fully remove the

last screw and gently lower the panel down. Do not allow this

panel to drop down under it's own weight, as some cables

may be damaged by this action.

Notes:

Page 10 of 107

SmartLF Gx Service Manual

5.4 Removing Rear Panels.

1. Open rear access panel as described in chapter "5.3 Opening

Rear Access Panel" Page 9.

2. Remove the 9 x M3 black anodised screws from the back of

the scanner.

3. Remove the black rear panel and store in a safe place for re-

assembly.

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