Flowcharts

Figure 4-4. Problem Isolation: Poor/No Reading

Have you verified that

all scan windows are clean

and scratch-free?

POOR/NO READING

START

Enter Scanner Diagnostic Mode by holding the Volume/Tone Push Button for 4 seconds (until first 3, and then 6 rapid tones are sounded) then release. Scan a known-good bar code.

Before proceeding, verify that bar code samples presented to scanner are of good quality and a symbology the scanner can read.

A good read is signified by one flash of the Green LED and a single beep1.

Does the scanner read NO the bar code satisfactorily

?

YES

Call Tech Support

Reset the scanner by holding down the Volume/Tone Push Button for 8 seconds.

If unexpected data

 

 

 

 

 

 

 

 

 

 

 

 

is being sent from

 

 

 

 

 

 

 

 

 

 

 

 

the host to the

Does the

 

 

 

Does the

 

 

 

scanner, consider

YES

 

YES

 

 

enabling the

scanner pass

 

scanner read

 

 

 

 

 

 

 

 

programmable

the data to

 

 

 

satisfactorily

 

 

 

feature Ignore Host

the POS

 

 

?

 

 

 

Commands to

?

 

 

 

 

 

 

 

 

 

debug the system.

NO

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Go to No Transmit to

 

 

Verify programmable

 

 

 

 

POS flowchart

 

 

 

 

 

 

 

 

parameters using the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

information and programming

 

 

 

 

 

 

 

 

bar codes provided in Section

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6. Check bar code symbology

 

 

 

 

 

 

 

 

options and other configurable

 

 

 

 

 

 

 

 

features.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DONE

Does the

YES

scanner read

 

DONE

 

satisfactorily

 

 

?

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

Troubleshoot

 

 

 

 

the host or call

 

 

Tech Support.

 

 

 

 

 

 

 

1Green and Yellow LEDs and beeper indications are configurable features. Behavior may vary from that described here.

Product Reference Guide

4-9

Page 95
Image 95
Datalogic Scanning 9500, 9504 manual Problem Isolation Poor/No Reading