IBM 4247-003 Maintenance Manual - Page 341
Table 49. Print Quality Tests and Actions Fanfold continued
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Table 49. Print Quality Tests and Actions (Fanfold) (continued) Line Description Action, if failure 10 Printhead drive test. Prints 19 lines. The See "Printhead Drive Service Check" on left margin should be even. page 333. 11 Print wire test. Look for light or missing 1. Install a new printhead. See dots, or ink smearing. "Printhead" on page 356. 2. Install a new logic board. For Model A00, see page "Logic Board - Model A00" on page 370. For Models 001 and 002, see page "Logic Board Models 001 and 002" on page 378. Or "Logic Board - Model 003" on page 366. 3. Install new printhead cables. 12 Continuous straight line. 1. See "Main Paper Drive Check and Adjustment" on page 301. 2. See "Printhead Drive Service Check" on page 333. 13 See Line 5 above. 14 Skew test in draft mode. The line should See "Main Paper Drive Check and print parallel to the edge of paper. Adjustment" on page 301. Chapter 5. Removals and Adjustments 341
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