Chapter 2 Bar Code Failures

Table 6. Message List

Message

Explanation

 

Solution

 

 

 

 

 

 

Contrast too low

Data validation error: the

Increase Print Intensity or

Check media

contrast between bars and

reduce Print Speed in the

 

spaces is not sufficient. This

QUICK SETUP menu or via

 

can be caused by too little

host software, change

 

heat in the thermal transfer or

media, or set Symbol

 

by use of colored media or

Contrast = 0% (to disable it)

 

ribbons.

in the VALIDATOR menu.

 

 

 

Overall Grade

Overall data validation failure:

1. Press PAUSE to clear

Fail

decodeability, percent

 

the message.

 

decode, defects, modulation,

2.

Adjust the parameter

 

EC Min, Rmin, and/or symbol

 

 

that is causing the

 

contrast.

 

 

 

failure. To see which

 

 

 

 

 

 

parameter is failing, run

 

 

 

a Scan Report

 

 

 

(page 63).

 

 

3.

Lower the Overall

 

 

 

Grade to a point where

 

 

 

the worst parameter

 

 

 

grade will be above the

 

 

 

Overall Grade

 

 

 

threshold.

 

 

 

 

Poor scanning

Data validation failure:

1.

Adjust Print Intensity

Check heat&head

decodeability. The difference

 

and Print Speed in the

 

between wide and narrow

 

QUICK SETUP menu or

 

elements is too close for the

 

via host software.

 

validator to reliably discern.

2.

Adjust the printhead

 

This usually indicates an

 

 

pressure. (Refer to the

 

improperly set heat/speed/

 

 

 

Quick Setup Guide or

 

pressure combination or the

 

 

 

User’s Manual.)

 

loss of a printhead element.

 

 

 

 

 

 

 

 

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Printronix T5000R user manual Bar Code Failures Message List Explanation Solution

T5000R specifications

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