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Metrologic Instruments MS7120 Scanner User Manual

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TROUBLESHOOTING GUIDE (CONTINUED)

SYMPTOMS POSSIBLE CAUSE(S) SOLUTION

Scanner beeps

at some bar

codes and NOT

for others of the

same bar code

symbology

The print quality of the

bar code is suspect

Check print mode. The type of

printer could be the problem.

Change print settings. For

example change to econo mode

or high speed

Scanner beeps

at some bar

codes and NOT

for others of the

same bar code

symbology

The aspect ratio of the

bar code is out of

tolerance

Check print mode. The type of

printer could be the problem.

Change print settings. ie change

to econo mode or high speed

Scanner beeps

at some bar

codes and NOT

for others of the

same bar code

symbology

The bar code may

have been printed

incorrectly

Check if it is a check

digit/character/or border problem

Scanner beeps

at some bar

codes and NOT

for others of the

same bar code

symbology

The scanner is not

configured correctly

for this type of bar

code

Check if check digits are set

properly

Scanner beeps

at some bar

codes and NOT

for others of the

same bar code

symbology

The minimum symbol

length setting does not

work with the bar code

Check if the correct minimum

symbol length is set

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