IBM 4247, Maintenance Information

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For Model A00, see “How To Run the Test and Diagnostic (T&D) Programs” on page 161.
For Models 001, 002, and 003, see “How To Run the Test and Diagnostic (T&D) Programs” on page 201.
2. Use the following table to analyze the printout in Figure 95 on page 345.
Table 50. Test Criteria and Action
Line Description Action if failure
1 Skew test in draft mode. The line should
print parallel to the edge of the paper. See “Manual Sheet Feed Path Check”
on page 317.
2 Paper feed test. Short lines printed at
the left and right margins in forward (up)
feed. More short lines are printed inside
the first lines but in reverse feed. The
two sets of lines should align within 0.0 -
1.0 mm (0.0 - 0.039 in.). See “Manual Sheet Feed Path Check”
on page 317.
3 Skew test in draft mode. Each group of
the character E should print parallel to
the edge of the paper. See “Manual Sheet Feed Path Check”
on page 317.
Chapter 5. Removals and Adjustments
344