IBM 4247-003 Maintenance Manual - Page 93
in Reference Table 10, Ribbon Lift and 26-Pin Cable, Model A00 on
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Table 12. MAP 0160: Ribbon Feed and Ribbon Lift (continued) Step Questions/Actions Yes No 9. Remove the printhead. See "Printhead" on page 356. Put back the printhead. Install a new printhead. See "Printhead" on page 356. Measure the resistance between the connector pins on Install a new logic board. For the printhead; Model A00, see "Logic Board - Run T&D in automatic mode to in "Reference Table 10, Ribbon Lift and 26-Pin Cable Connectors" on page 158. Model A00" on page 370. For verify correct printer operation. Models 001 and 002, see "Logic For Model A00, see "How To Board - Models 001 and 002" on Run the Test and Diagnostic Is the resistance 5 ohms or less for all measurements? page 378. Or "Logic Board Model 003" on page 366. - or - (T&D) Programs" on page 161. For Models 001, 002, or 003, see "How To Run the Test and Diagnostic (T&D) Programs" on Install new printhead cables. page 201. Run T&D in automatic mode to verify correct printer operation. For Model A00, see "How To Run the Test and Diagnostic (T&D) Programs" on page 161. For Models 001, 002, or 003, see "How To Run the Test and Diagnostic (T&D) Programs" on page 201. Chapter 1. Diagnosing Problems 93