IBM 4247-003 Maintenance Manual - Page 295
Service Check, Adjustment, Tear-Off Line
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v For Models 001, 002, and 003, see "How To Run the Test and Diagnostic (T&D) Programs" on page 201. Service Check Use T&D14 to print NLQ characters. If the vertical bars on the characters are not aligned, perform the adjustment. As an aid in evaluating the print, see "Print Quality Checks" on page 338 and Figure 95 on page 345. Adjustment 1. Scroll to T&D16 2. Run the Bidirectional Printing test and make adjustments, as needed (see "T&D16 - Bidirectional Adjustment Test" on page 178 for Model A00 or see "T&D16 - Bidirectional Adjustment Test" on page 217 for Models 001, 002, and 003). 3. Scroll to T&D14 4. Run the Fanfold Form Printout test, and check vertical alignment on Line 7 of the printout. For more information, see Figure 93 on page 342 (see "T&D14 - Fanfold Form Printout Test" on page 174 for Model A00 or see "T&D14 - Fanfold Form Printout Test" on page 214 for Models 001, 002, and 003). 5. Repeat the adjustment steps until you have obtained the best alignment of vertical lines on the T&D14 printout. Tear-Off Line Use T&D17 to adjust the tear-off line, using the operator panel. Service Check 1. Load forms into the tractors. 2. Press Load, Form Feed, then Eject/Tear. This advances the forms to the tear position. 3. Compare the alignment of the perforations on the forms to the tear edge of the printer cover. Perform the Adjustment, if indicated. Adjustment 1. Run the T&D program in single test mode. 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. Scroll to T&D17 Chapter 5. Removals and Adjustments 295