Juniper Allegro CE Owner's Manual page 265

Sample Bar Codes
The following bar codes are samples for you to test your bar code
scanner before taking it into the field. Under each bar code is the
datum that should appear on your Allegro after a successful scan.
Code 39 Scan Sample
EAN-13 Scan Sample
EAN-8 Scan Sample
UPC-A Scan Sample
UPC-E Scan Sample
Expansion Pods Page 8-27