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User’s Guide
5-12 Troubleshooting and Maintenance
Test Printhead
This test verifies that the individual printhead impact wires and the controlling electronics are
operating properly. It may be used to identify the cause if dots are missing on the print out.
In this test, one complete line is printed using each wire in the printhead. The wire is noted in
the test print out.
Figure 5-5: Printhead Test
NOTE
To prevent print off the page, 80 column
paper should be used for this test.