10/27/05 S4M Maintenance Manual 13291L-001 Rev. A
4. See Figure 31 and Table 23. Inspect the test labels and determine which one has the best
print quality for your application. If you have a bar code verifier, use it to measure
bars/spaces and calculate the print contrast. If you do not have a bar code verifier, use your
eyes or the system scanner to choose the optimal darkness setting based on the labels
printed in this self test.
Figure 31 • Bar Code Darkness Comparison