Zebra S4M - Manual (Page 107)

101 Troubleshooting
Printer Diagnostics
10/21/05 S4M User Guide 13290L-001 Rev. A
4. See Figure 32 and Table 20 . 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 32 • Bar Code Darkness Comparison