Metrologic Instruments MS6720

TROUBLESHOOTING GUIDE (CONTINUED)

All Interfaces continued

SYMPTOMS POSSIBLE CAUSE(S) SOLUTION

Unit goes to

sleep and does

not wake up

IR sensor used to wake

up the scanner is always

sensing an object

Adjust scanner positioning so

that the IR senses an object when

a bar code is presented. For

example; point to the ceiling and

then back to the object.

Disable IR sleep mode

Unit scans bar

code too slowly

upon waking up

Wake up requires full

motor spin up for

operation

Disable IR sleep mode

NOTE: Disabling the IR sleep mode allows the scanner to respond to bar codes quicker

Contents

Main Page ii L C ORPORATE H N ORTH A EUROPEAN, MIDDLE EAST & AFRICAN H USA, NEW JERSEY GERMANY, MUNICH SOUTH AMERICA, BRAZIL SO PAULO GERMANY, MUNICH SOUTH AMERICA, OUTSIDE BRAZIL SO PAULO ITALY, BOLOGNA TABLE OF CONTENTS iv Page I S CANNER AND A Q UICK S OPERATIONAL TEST MS6720 INSTALLATION: POWERED BY EXTERNAL POWER SUPPLY MS6720 INSTALLATION: POWERED BY HOST DEVICE SCANNER INSTALLATION: POWERED BY HOST DEVICE (CONTINUED) MS6720-47 KEYBOARD WEDGE INSTALLATION TO THE PC 5. Page MS6720 OPTIONAL STANDS SCANNER PARTS AUDIBLE INDICATORS FAILURE MODES 14 VISUAL INDICATORS has turned off. To reactivate the unit, pass an object through the scan field. SCANNER LABELS 2. M 16 Normal Depth of Field 17 Short Depth of Field 18 Extended Depth of Field 19 Optional Depth of Field AUTOMATIC TURN-ON SPECIFICATIONS (IR SENSOR) S CAN PATTERN S 22 SCAN PATTERN SPECIFICATIONS (CONTINUED) Cross-Sectional Scan Pattern 23 TROUBLESHOOTING GUIDE MS6720 Troubleshooting Guide Page Page Page Page A PPLICATIONS AND P APPENDIX A APPENDIX A (CONTINUED) APPENDIX B Parameter Default OCIA RS-232* Light Pen IBM 46XX KBW Parameter Default OCIA RS-232* Light Pen IBM 46XX KBW Page APPENDIX C 36 APPENDIX C (CONTINUED) Pin Assignments for the MCA951 * APPENDIX C (CONTINUED) 38 APPENDIX D Limited Warranty APPENDIX E APPENDIX E (CONT.) Page I A B C D E M N O P Q