Metrologic Cubit IS6520 Series User manual

Brand: Metrologic

Model: Cubit IS6520 Series

Category: Bar code readers

Type: User manual

This manual is also suitable for

Cubit MS6520 Series

Service Manual

METROLOGIC INSTRUMENTS, INC.

MS6520 Cubit

Series

Table of Contents

Section Name: Page #

PRELIMINARY INFORMATION.............................................................................................................................................1-1

1.1 PRODUCT SAFETY..............................................................................................................................................................1-1

1.1.1 Notices........................................................................................................................................................................1-1

1.1.2 European Standard..................................................................................................................................................1-2

INTRODUCTION............................................................................................................................................................................2-1

2.1 INTRODUCTION............................................................................................................................................................2-1

2.2 MANUAL SCOPE.................................................................................................................................................................2-1

2.3 MANUAL SYMBOL KEY.....................................................................................................................................................2-1

2.4 GENERAL PRECAUTIONS...................................................................................................................................................2-2

2.4.1 PRODUCT ESD INFORMATION:.......................................................................................................................2-2

2.4.2 LASER SAFETY INFORMATION:.......................................................................................................................2-2

2.5 MS6520 CUBIT SCANNER HISTORY PROFILE................................................................................................................2-3

THEORY & OPERATION............................................................................................................................................................3-1

3.1 BASIC DATA DECODING SECTIONAL SUMMARYS.........................................................................................................3-1

3.1.1 Photodiode (Detector) Summary: .........................................................................................................................3-1

3.1.2 Pre-Amplifier Sectional Summary:.......................................................................................................................3-1

3.1.3 Signal Processor Section Summary:.....................................................................................................................3-1

3.1.4 Decoder Section Summary:....................................................................................................................................3-1

3.2 PROGRAMMABLE DEPTH OF FIELD OPERATION SPECIFICATIONS..............................................................................3-2

3.2.1 OPTIMAL LOW AND CLOSE DEPTH OF FIELD...........................................................................................3-2

3.2.2 OPTIMAL HIGH AND NORMAL DEPTH OF FIELD.....................................................................................3-3

3.2.3 FAR DEPTH OF FIELD.........................................................................................................................................3-4

BOARD REMOVAL & INSTALLATION ...............................................................................................................................4-1

4.1 OPTICS BENCH REMOVAL & INSTALLATION.................................................................................................................4-1

4.1.1 Optics Bench Removal.............................................................................................................................................4-1

4.1.2 Optics Bench Installation.........................................................................................................................................4-2

4.2 DECODE BOARD REMOVAL & INSTALLATION...............................................................................................................4-3

4.2.1 Decode Board Replacement...................................................................................................................................4-3

4.2.2 Decode Board Installation......................................................................................................................................4-4

4.3 SIGNAL PROCESSOR BOARD REMOVAL & INSTALLATION..........................................................................................4-5

4.3.1 Signal Processor Board Removal..........................................................................................................................4-5

4.3.2 Signal Processor Board Installation.....................................................................................................................4-6

4.4 VLD REPLACEMENT PROCEDURE...................................................................................................................................4-7

4.4.1 VLD Removal Instructions:....................................................................................................................................4-7

4.4.2 VLD Installation Instructions:...............................................................................................................................4-7

III

PCB SPECIFICATIONS................................................................................................................................................................5-1

5.1 SIGNAL PROCESSOR BOARD.............................................................................................................................................5-1

5.1.1 Signal Processor Board Functions.......................................................................................................................5-1

5.1.2 SIGNAL PROCESSOR BOARD (37823-A) LAYOUT.......................................................................................5-2

5.2 DECODE BOARD.................................................................................................................................................................5-3

5.2.1 DECODE Board Functions....................................................................................................................................5-3

5.3 DECODE BOARD (37576-D) LAYOUT.....................................................................................................................5-4

5.4 LED BOARD .......................................................................................................................................................................5-5

5.4.1 LED Board Functions.............................................................................................................................................5-5

5.4.2 LED/BEEPER BOARD (37587-D) LAYOUT......................................................................................................5-5

TROUBLESHOOTING..................................................................................................................................................................6-1

6.1 AUDIBLE INDICATORS...............................................................................................................................................6-1

6.2 FAILURE MODES...........................................................................................................................................................6-2

6.3 VISUAL INDICATORS..................................................................................................................................................6-3

6.4 MS6520 SERIES TROUBLESHOOTING GUIDE.................................................................................................................6-4

SERVICING DIAGRAMS, PARTS & PINS............................................................................................................................7-1

7.1 SCANNER PARTS...........................................................................................................................................................7-1

7.2 CUBIT MODEL EXPLODED VIEW.....................................................................................................................................7-2

7.3 SCANNER CONNECTOR/CABLE PINOUT CONNECTIONS...............................................................................................7-3

7.3.1 Cubit Modular Jack Pinout....................................................................................................................................7-3

7.3.2 Cable Connector Configurations..........................................................................................................................7-3

7.4 MS6520 ORBIT SCANNER SPECIFICATIONS.................................................................................................................7-5

7.4.1 OPERATIONAL DESIGN SPECIFICATIONS...................................................................................................7-5

7.4.2 OVERALL PHYSICAL DIMENSIONS .................................................................................................................7-5

7.4.3 ELECTRICAL CHARACTERISTICS....................................................................................................................7-6

7.4.4 ENVIRONMENTAL DETAILS...............................................................................................................................7-6

7.5 CAUTION AND SERIAL NUMBER LABELS.......................................................................................................................7-7

7.5.1 Labels.........................................................................................................................................................................7-7

8 ORDERING REPLACEMENT PARTS, SERVICING INFORMATION .............................................................8-2

8.1 6500 REPLACEMENT PARTS AVAILABLE.......................................................................................................................8-2

8.2 LIMITED WARRANTY.........................................................................................................................................................8-3

8.3 METROLOGIC SERVICE LOCATIONS................................................................................................................................8-5

8.4 PATENTS..............................................................................................................................................................................8-6

Manual Tables

Table Name: Page #

Table 1 - Manual Symbology............................................................................................................................................................2-1

Table 2 - Troubleshooting Chart – Powering up problems.........................................................................................................6-4

Table 3 - Troubleshooting Guide – Scanning & reading problems...........................................................................................6-5

Table 4 - Troubleshooting Chart - rs-232 interface only.............................................................................................................6-6

Table 5 - Keyboard Wedge Pinout Chart.......................................................................................................................................7-3

Table 6 - RS-232/LTPN Pinout Chart.............................................................................................................................................7-3

Table 7 - "Standard" Powerlink Cable...........................................................................................................................................7-3

Table 8 - Powerlink Cable Pinout.................................................................................................................................................7-54

Table 9 - Adapter Cable Pinout....................................................................................................................................................7-54

Table 10 - Operation Specifications................................................................................................................................................7-5

Table 11 - MECHANICAL Demensions..........................................................................................................................................7-5

Table 12 - Electrical Characteristics..............................................................................................................................................7-6

Table 13 - Enviromental Details......................................................................................................................................................7-6

1-1

1 PRELIMINARY INFORMATION

1.1 Product Safety

1.1.1 Notices

Notice

This equipment has been tested and found to comply with limits for a Class A digital device,

pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection

against harmful interference when the equipment is operated in a commercial environment. This

equipment generates, uses and can radiate radio frequency energy and, if not installed and used in

accordance with the instruction manual, may cause harmful interference to radio communications.

Operation of this equipment in a residential area is likely to cause harmful interference, in which

case the user will be required to correct the interference at his own expense. Any unauthorized

changes or modifications to this equipment could void the users authority to operate this device.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two

conditions:

(1) This device may not cause harmful interference.

(2) This device must accept any interference received, including interference that may cause

undesired operation.

Notice

This Class A digital apparatus complies with Canadian ICES-003.

Remarque

Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.

Caution

Use of controls or adjustments or performance of procedures other than those specified herein may

result in hazardous laser light exposure. Under no circumstances should the customer attempt to

service the laser scanner. Never attempt to look at the laser beam, even if the scanner appears to be

nonfunctional. Never open the scanner in an attempt to look into the device. Doing so could result

in hazardous laser light exposure. The use of optical instruments with the laser equipment will

increase eye hazard.

Atención

La modificación de los procedimientos, o la utilización de controles o ajustes distintos de los

especificados aquí, pueden provocar una luz de láser peligrosa. Bajo ninguna circunstancia el

usuario deberá realizar el mantenimiento del láser del escáner. Ni intentar mirar al haz del láser

incluso cuando este no esté operativo. Tampoco deberá abrir el escáner para examinar el aparato. El

hacerlo puede conllevar una exposición peligrosa a la luz de láser. El uso de instrumentos ópticos

con el equipo láser puede incrementar el riesgo para la vista.

1-2

Attention

L'emploi de commandes, réglages ou procédés autres que ceux décrits ici peut entraîner de graves

irradiations. Le client ne doit en aucun cas essayer d'entretenir lui-même le scanner ou le laser. Ne

regardez jamais directement le rayon laser, même si vous croyez que le scanner est inactif. N'ouvrez

jamais le scanner pour regarder dans l'appareil. Ce faisant, vous vous exposez à une rayonnement

laser qú êst hazardous. L'emploi d'appareils optiques avec cet équipement laser augmente le risque

d'endommagement de la vision.

Achtung

Die Verwendung anderer als der hier beschriebenen Steuerungen, Einstellungen oder Verfahren

kann eine gefährliche Laserstrahlung hervorrufen. Der Kunde sollte unter keinen Umständen

versuchen, den Laser-Scanner selbst zu warten. Sehen Sie niemals in den Laserstrahl, selbst wenn

Sie glauben, daß der Scanner nicht aktiv ist. Öffnen Sie niemals den Scanner, um in das Gerät

hineinzusehen. Wenn Sie dies tun, können Sie sich einer gefährlichen Laserstrahlung aussetzen. Der

Einsatz optischer Geräte mit dieser Laserausrüstung erhöht das Risiko einer Sehschädigung.

Attenzione

L’utilizzo di sistemi di controllo, di regolazioni o di procedimenti diversi da quelli descritti nel

presente Manuale può provocare delle esposizioni a raggi laser rischiose. Il cliente non deve

assolutamente tentare di riparare egli stesso lo scanner laser. Non guardate mai il raggio laser, anche

se credete che lo scanner non sia attivo. Non aprite mai lo scanner per guardare dentro

l’apparecchio. Facendolo potete esporVi ad una esposizione laser rischiosa. L’uso di apparecchi

ottici, equipaggiati con raggi laser, aumenta il rischio di danni alla vista.

1.1.2 European Standard

Warning

This is a class A product. In a domestic environment this product may cause radio interference in

which case the user may be required to take adequate measures.

Funkstöreigenschaften nach EN 55022:1998

Warnung!

Dies ist eine Einrichtung der Klasse A. Diese Einrichtung kann im Wohnbereich Funkstörungen

verursachen; in diesem fall kann vom Betrieber verlangt werden, angemessene Maßnahmen

durchführen.

Standard Europeo

Attenzione

Questo e’ un prodotto di classe A. Se usato in vicinanza di residenze private potrebbe causare

interferenze radio che potrebbero richiedere all’utilizzatore opportune misure.

Attention

Ce produit est de classe “A”. Dans un environnement domestique, ce produit peut être la cause

d’interférences radio. Dans ce cas l’utiliseteur peut être amené à predre les mesures adéquates.

2-1

2 INTRODUCTION

2.1 INTRODUCTION

Metrologic's Cubit® is a compact, omnidirectional bar code scanner that can be used as a

presentation scanner or as the scanning component in Original Equipment Manufacturer (OEM)

applications. Incorporating the latest in scanning technology Cubit can scan and decode all standard

bar codes in any orientation.

As an OEM product, the IS6520 is both easy to use and install. The IS6520 is equipped with three

threaded mounting holes, serial programming and PowerLink quick-disconnect cables. The modular

design of Cubit allows the unit to be tailored to meet the needs of a specific application.

As a retail scanner, the MS6520’s user-friendly mounting bracket bolts securely to the countertop

or wall for fixed-mount scanning. Cubit’s small size and aggressive scan pattern make it ideal for

convenience, sporting goods, apparel and toy/hobby stores.

Furthermore, Cubit has the option of direct connection to a 5-Volt power source or plug-in the

Metrologic power supply provided with the scanner.

2.2 Manual Scope

This guide provides a way to perform service repairs. It contains an overview of the scanner with

detailed information about troubleshooting, functionality, and scanner performance.

2.3 Manual Symbol Key

TABLE 1 - MANUAL SYMBOLOGY

Caution!

Important Additional Information.

2-2

2.4 General Precautions

** ESD PREVENTION STEPS MUST BE USED DURING ANY

MODIFICATIONS AND/OR REPAIRS TO THIS UNIT! **

2.4.1 PRODUCT ESD INFORMATION:

This product contains ESD sensitive components, or ‘Electrostatic Discharge’ sensitive electronic

parts. Electrostatic discharge is defined as the transfer of charge between bodies at different

electrical potentials.

Electrostatic discharge has the ability to modify the electrical characteristics of a semiconductor

device, possibly degrading or even destroying it. Electrostatic discharge also may upset the

normal operation of an electronic system, causing equipment malfunction or failure.

2.4.2 LASER SAFETY INFORMATION:

Use of controls or adjustments or performance of procedures other than those specified

herein may result in hazardous radiation exposure. Under no circumstances should the customer

attempt to service the scanner. Never attempt to look at the laser beam, even if the scanner appears

to be nonfunctional. Doing so could result in hazardous radiation exposure.

The MS6520 unit is rated as a CLASS IIA laser product, as defined by The U.S. Federal Laser

Product Performance Standard (FLPPS): Title 21 of the Code of Federal Regulations; Part 1000;

[Parts 1040.10 and 1040.11].

CLASS I, II, and IIA lasers are defined as:

CLASS I: cannot emit laser radiation at known hazard levels (typically continuous (CW):

0.4microwatts at visible wavelengths). Users of a Class I laser products are generally exempt from

radiation hazard controls during operation and maintenance (but not necessarily during service).

CLASS II: low power visible lasers, which emit above Class I levels but emitting a radiant power

not above 1mW. The concept is that the human aversion reaction to bright light will protect a

person.

CLASS IIA is a special designation that is based upon a 1000 second exposure and applies only to

lasers that are "not intended for viewing" such as a supermarket laser scanner. These laser are

emitting light in the visible wavelengths (0.4 to 0.7 mm) with power not above 1mW.

2-3

2.5 MS6520 Cubit Scanner History Profile

MS6520 Revision ‘A’ / January 2000

• Light pipe removed from signal processor board and made into separate board.

MS6520 Revision ‘B’ / March 2000

• Ultrasonically welded top case.

MS6520 Revision ‘C’ / August 2000

• VLD from Sony (670nm) to Samsung (650nm).

• Plastic polygon replaces the metal and glass polygon.

• Ground wire is changed from the bench to the board in June of 2002

• VLD goes to laser weld on the third week in August of 2002

• Light shield as part of the can in December of 2003

MS6520 Revision ‘D’ / March 2003

• VLD upgraded to a Samsung 60 degree VLD

• L bracket is die cast

MS6520 Revision ‘F’ / April 2003

• VLD upgraded to Sanyo 70 degree VLD.

MS6520 Revision ‘G’ / June 2003

• VLD cable is changed to a flex cable.

• Signal Processor board is changed to accept a flex cable for VLD

• Signal Processor board is changed to accept 2 L brackets instead of standoffs.

3-1

3 THEORY & OPERATION

3.1 Basic Data Decoding Sectional Summarys

3.1.1 Photodiode (Detector) Summary:

3.1.1.1 Receives the optical signal reflected off the bar code

3.1.1.2 Converts into electrical signal (current) of about 100 nanoamps

3.1.2 Pre-Amplifier Sectional Summary:

3.1.2.1 Part of the Signal processor board, usually contained in a shielded area of the PCB with the Photodiode.

3.1.2.2 Converts the electrical current to a voltage signal

3.1.2.3 Voltage signal is amplified by a factor of 1000

3.1.2.4 Ambient light noise is filtered out. Resultant signal is routed to the mother board to primary signal

processing circuitry

3.1.3 Signal Processor Section Summary:

3.1.3.1 Converts analog waveform into a digital signal that can be used by the microprocessor

3.1.4 Decoder Section Summary:

3.1.4.1 Decoding algorithm decodes digital signals into ASCII characters

FIGURE 2.5-1 VLD LASER AND BARCODE DATA PATHS

3-2

3.2 Programmable Depth of Field Operation Specifications

3.2.1 OPTIMAL LOW AND CLOSE DEPTH OF FIELD

Note: The same depth of field is achieved when programming Cubit® for

either Optimal Low Depth of Field or Close Depth of Field.

3-3

3.2.2 OPTIMAL HIGH AND NORMAL DEPTH OF FIELD

Note: The same depth of field is achieved when programming Cubit® for

either Optimal High Depth of Field or Normal Depth of Field.

3-4

3.2.3 FAR DEPTH OF FIELD

4-1

4 BOARD REMOVAL & INSTALLATION

THE MS6520 ELECTRONICS ARE ESD SENSITIVE! ESD

SAFETY PROCEDURES MUST BE FOLLOWED WHILE

HANDLING THE MS6520 UNIT WITH ANY ELECTRONICS

EXPOSED!!

4.1 Optics Bench Removal & Installation

4.1.1 Optics Bench Removal

4.1.1.1 Flip the unit over, using care not to scratch red

window, so the product label is visible.

4.1.1.2 Remove the four (4) case screws in the back of

the unit. (Figure 4.1-1)

4.1.1.3 Flip the unit back over so the red window is

visible.

4.1.1.4 Remove the top case and lay it faces down next

to the rest of the assembly. (Figure 4.1-2)

4.1.1.5 Remove two (2) screws from the top case that

holds the beeper in place. (Figure 4.1-2)

4.1.1.6 Remove the optics bench from the bottom case

by grasping the signal processor board and

pulling in an upward motion. (Figure 4.1-3)

4.1.1.7 Remove the four (4) grommets from the sides

of the optics bench. (Figure 4.1-3)

FIGURE 4.1-1 REAR SIDE

CASE SCREWS

FIGURE 4.1-2 OPENING CASE & BEEPER

BOARD SCREWS SHOWN

FIGURE 4.1-3 REMOVING OPTICS BENCH AND

RUBBER GROMMETS SHOWN

4-2

4.1.2 Optics Bench Installation

4.1.2.1 Install the four (4) grommets from the sides of

the optics bench. (Figure 4.1-4)

4.1.2.2 Install the optics bench into the bottom case by

grasping the signal processor board, align

rubber grommets over each grommet slot and

carefully insert into case. (Figure 4.1-4 &

Figure 4.1-6)

Do not push down on mirrored optics

assembly while installing into case!

4.1.2.3 If LED/Beeper board is not installed yet, install

board into case with two (2) screws (Figure

4.1-5 RED Arrows) and attach LED cable.

(Figure 4.1-5 BLUE Arrow)

4.1.2.4 Flip over top cover (Red window side) and

install in direction of arrow. (Figure 4.1-5)

Use care when flipping over top lid,

ensuring that the LED cable does not

become pinched between the case sides

or obstructs motor assembly!

4.1.2.5 Flip the unit back over so the serial label tag on

the back is facing up.

4.1.2.6 Install the four (4) case screws into the back of

the unit. (Figure 4.1-7)

FIGURE 4.1-4 INSTALLING OPTICS BENCH AND

RUBBER GROMMETS SHOWN

FIGURE 4.1-6 CASE GROMMET SLOTS

(ONLY TWO SHOWN HERE)

FIGURE 4.1-5 INSTALLING LED/BEEPER

BOARD AND CLOSING UNIT

FIGURE 4.1-7 REAR SIDE

CASE SCREWS

4-3

4.2 Decode board Removal & Installation

4.2.1 Decode Board Replacement

4.2.1.1 Open the Case and remove Optics Bench from

case assembly. (Follow steps 4.1.1 Optics

Bench Removal)

4.2.1.2 Pull on the decode board until the standoffs

unlatch from the optics bench. (Figure 4.2-2)

4.2.1.3 Unplug the motor cable and LED beeper wire.

4.2.1.4 Remove the ground wire from the Signal

Processor Board.

4.2.1.4.1 MS6520 models, from Rev. A up to and

including Rev. C with serial number ending

in 0130, the ground wire is pulled off the

ground lug

4.2.1.4.2 MS6520 models Rev. C with serial numbers

ending in 0131 and beyond, to all current

revisions require that the Signal Processor

board screw be removed to remove the

ground wire.

Screw holding Ground

wire.

Motor Cable

Connection

Led/Beeper

Connection

Ribbon Cable

Connection

Ground Wire

FIGURE 4.2-1 DECODE BOARD

STANDOFFS

FIGURE 4.2-2 OPTICS BENCH WITH DECODE BOARD

ATTACHED AT BOTTOM

4-4

4.2.2 Decode Board Installation

4.2.2.1 Attach ground wire to connection point on

Signal Processor Board. (Refer to figure 4.2-2

shown in Decode Board Removal)

4.2.2.1.1 MS6520 models, from Rev. A up to and

including Rev. C with serial number

ending in 0130, the ground wire is pulled

off the ground lug

4.2.2.1.2 MS6520 models Rev. C with serial

numbers ending in 0131 and beyond, to

all current revisions require that the

Signal Processor board screw be removed

to remove the ground wire.

4.2.2.2 Align the plastic standoffs attached to the

decode board (Figure 4.2-3) and attach into

optics bench holes until board is securely

attached.

4.2.2.3 Connect motor cable, LED / beeper wire, and

ribbon cable into correct connectors. (Figure

4.2-2)

4.2.2.4 Perform steps 4.1.2 for inserting Optics Bench

into case assembly followed by closing and

sealing case shut.

Ground Wire

FIGURE 4.2-3 DECODE BOARD

WITH STANDOFFS SHOWN

4-5

4.3 Signal Processor Board Removal & Installation

4.3.1 Signal Processor Board Removal

4.3.1.1 Open the Case and remove Optics Bench from

case assembly. (Follow steps 4.1.1 Optics

Bench Removal)

4.3.1.2 Disconnect J1 Ribbon cable from signal

processor board J1 connector. (Figure 4.3-2)

4.3.1.3 Remove four Phillips head screws securing

signal processor board from Optics bench

assembly. (Figure 4.3-2)

J1 Ribbon

Connector

Short Philips

Screw

Long Philips

Screw

Short Philips

Screw

Long Philips

Screw

Ground

Wire

FIGURE 4.3-2 OPTICS BENCH ASSEMBLY SHOWING SIGNAL PROCESSOR

BOARD

FIGURE 4.3-1 SIGNAL

PROCESSOR BOARD

4-6

4.3.2 Signal Processor Board Installation

4.3.2.1 Place signal processor board over Optics Bench

assembly with four screw holes aligned over

screw threaded sockets. (See figure 4.3-2 in

previous step.)

4.3.2.2 Secure signal processor board to optics bench

using appropriate Phillips head screws. (See

Figure 4.3-2 in previous step.)

Ensure Ground Wire shown in Figure

4.3-2 is properly connected to signal

processor board.

4.3.2.3 Connect ribbon cable coming from decode

board into J1 Connector on signal processor

board. (See Figure 4.3-2)

4.3.2.4 Perform steps 4.1.2 for installing Optics Bench

assembly into case assembly.

FIGURE 4.3-3

4-7

4.4 VLD Replacement Procedure

4.4.1 VLD Removal Instructions:

4.4.1.1 Open the case to gain access inside the unit.

(Follow Steps 4.1)

4.4.1.2 Carefully remove the decode board from the

unit. (Follow Steps 4.2)

4.4.1.3 Remove the damaged VLD by unscrewing the

two screws shown in the figure to the right.

4.4.1.4 Remove the collector mirror.

4.4.1.5 Remove the SBT resistor from the Signal

Processor board.

4.4.2 VLD Installation Instructions:

4.4.2.1 Install the plastic VLD bracket with the screws

provided with the VLD kit.(for A to C 0232

Revisions)

4.4.2.2 Place a target pin in the collector hole.

4.4.2.3 Using a power up box, power up the replacement

laser.

4.4.2.4 Place the laser in the VLD bracket and place the

beam onto the center of the target pin.

4.4.2.5 Glue in place using Loctite 406 followed by

Loctite 712.

4.4.2.6 When completed determine the VLD SBT and

solder it in. Power should be between 0.780 and

0.820mw out of the VLD.

4.4.2.7 Make sure all the optical areas are clean.

4.4.2.8 Connect SP and motor cables to the power box.

Place optic bench assembly into alignment

fixture and lock in place by pushing locking lever

forward.

4.4.2.9 Turn power on. Motor will spin and VLD will

turn on.

4.4.2.10 Slide the high-density and red pattern windows

all the way to the right to reveal the top window

with the reflective tape.

4.4.2.11 Place target with signal return pattern over

photocell can.

4.4.2.12 Adjust return signal to the center of the target by

manipulating the collector bracket. Do not touch

the coated, curved part of the collector. Beam

must fit into the square on the target.

4.4.2.13 Place cluster target onto mirror #2.

4.4.2.14 Feed joystick through hole in collector mirror

from the front so that the angle of the mirror is

pointing down, and joystick tab is at bottom. Pull

joystick back as far as possible without touching

the collector.

4.4.2.15 Adjust joystick assembly so that the raster lines

are between the target lines on the cluster target.

Make sure the joystick tab remains at the bottom.

4.4.2.16 Make sure the beam fits into the square of the can

target, remove the can target.

4.4.2.17 Your image should now be centered in the

photocell. Using your pliers, gently pull on the

left and right of the collector bracket. The image

in your photocell should look like a circle with

wings on each side. Make sure your "wings"

don't protrude from your photocell.

4.4.2.18 Slide the metal plate with the high-density lines

into place.

4.4.2.19 Attach socket test probe to test pin #1 on the

signal processor board. Check signal

oscilloscope, signal should still be between 2.0v-

3.0v.

4.4.2.20 Slide the red pattern window into place and

verify that the pattern has a closed diamond.

4.4.2.21 Next slide the red pattern window back and forth

making sure that the unit can read the code

located on the left edge of the red pattern

window.

4.4.2.22 Put drop of LOCTITE 406 on joystick where it

comes out the back of the collector. Put drop of

accelerator 712 on same spot as 406.

4.4.2.23 Cut the part of the joystick that protrudes from

the back of the collector as flush as possible.

4.4.2.24 Follow Steps 4.3.2 for decode board install.

4.4.2.25 Follow Steps 4.1.2 for case assembly.

FIGURE 4.4-1

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Metrologic Cubit IS6520 Series User manual

Brand: Metrologic

Model: Cubit IS6520 Series

Category: Bar code readers

Type: User manual

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