Datalogic QuickScan Lite QW2420

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QuickScan™ Lite QW2400

General Purpose Corded

Handheld Area Imager Bar Code Reader

Quick Reference Guide

Questions and Answers:

B
Brad HernandezAug 9, 2025
What to do if Datalogic QuickScan Lite QW2420 Barcode Reader LED is on but barcode does not decode?
- K
  Katie LeeAug 9, 2025
  If the Datalogic Barcode Reader's LED is on, but it doesn't decode the barcode, there might be a few reasons. First, the imager might not be programmed for the correct barcode type, so ensure it is properly programmed. Second, the barcode label might be unreadable; check if it's defaced and try scanning another barcode. Finally, the distance between the imager and the barcode could be incorrect; try moving the imager closer to or further from the barcode.
T
Taylor HartAug 20, 2025
How to troubleshoot Datalogic Barcode Reader when nothing happens when the scan button is pulled?
- F
  francojudyAug 20, 2025
  If nothing happens when you pull the scan button on your Datalogic Barcode Reader, it could be due to a couple of reasons. First, check the system power and ensure the power supply is connected. Second, make sure all cable connections are secure, as loose interface or power cables could be the cause.
V
Valerie CaseyAug 30, 2025
Why is the barcode decoded but not transmitted to the host by Datalogic QuickScan Lite QW2420 Barcode Reader?
- L
  Lindsey HillAug 30, 2025
  If your Datalogic Barcode Reader decodes the barcode but doesn't transmit it to the host, the imager might not be programmed for the correct host type. Scan the appropriate host type barcode to resolve this.

Datalogic QuickScan Lite QW2420 Specifications

General

Brand	Datalogic
Model	QuickScan Lite QW2420
Category	Barcode Reader
Language	English

Summary

Setting Up the Reader

Connecting to the Host Interface

Illustrates how to connect the QuickScan Lite QW2400 reader to various host interfaces like USB, Wedge, and RS-232.

Scanner Operation

Interface Configuration

Selecting the Interface Type

Guides on selecting the appropriate host interface type for the reader.

Configuring Interface Settings

Provides instructions on scanning barcodes to select the desired interface type for the scanner.

Programming the Scanner

Using Programming Bar Codes

Explains how to use programming barcodes to reconfigure the reader and enact changes.

Resetting Product Defaults

Instructions on how to scan a barcode to restore the reader to its initial factory default configuration.

Reading Parameters

Good Read Green Spot Duration

Allows specification of the duration for the good read green spot indicator after a successful scan.

Operating Modes

Scan Mode Selection

Sets the imager to operate in various scanning modes like Trigger Single, Pulse Multiple, Hold Multiple, Always On, and Flashing.

Pick Mode

Technical Specifications

LED and Beeper Indications

Troubleshooting Guide

Scanner Cleaning Instructions

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