scanner not scan Barcode labels produced by VF7.0

[benzhaotb]

Hi Every one;
The problem isthat the scanner will not scan barcode produced by VF7.0 with code 39. The scanner is mini Link model ls2000mx connected to winodows 2000. Please help

 

[DSummZZZ]

Have you verified the scanner works properly? Have you tested the barcodes on another device? Have you verifieid they are printing correctly? Are you sure it's a VFP 7 issue?
Dave S.

 

[benzhaotb]

Thanks. The scanner works fine. Other instrument with scan fuction will not scan bar code labels produced by VF7.0. DO I have put "*" befroe and after the barcode? How?

 

[rgbean]

That's not really a VFP (7.0) issue, placing an "*" to bracket a code 39 BC is "standard". How are you printing the barcodes? Are you using a BC font? Are you using an ActiveX control?

Rick

 

[lfaustino]

Hello,

It's true you have to start and end the BC with an *, for example if you want to print the number 1020 in BC you have to issue a BC with *1020*. Are you doing this??? Luis Faustino
IS/IT Consultant

http://www.lf-consulting.com

info@lf-consulting.com

 

[SnyAc]

The other consideration that I have found that affects whether or not a barcode will scan is the font size... if you are printing with a dot matrix printer and it is too small the scanner cannot interpret the code....

Andy Snyder
SnyAc Software Services

http://www.snysoft.com

 

[robsuttonjr]

Besides the font size you should check to make sure you are not printing off the barode label. I found that Code 39 uses alot of space and especially with alpha characters. Print a code 39 label as a test using only 1 character then 2,3,etc until you find the max length. If you can increase the size of your label horizontally. But keep in mind different characters have different sized barcodes. Usually it is either the font or width of the barcode not fitting in the defined label that causes me problems. Using Code128 with a check digit is a better solution and prints smaller labels.

 

[torturedmind]

check also the scanner's configuration. it might not be set to read code 39. if this is the case, you have to re-configure it so that it is able to read code 39.

let us know if this helped.

torturedmind