IBM 4247-003 Maintenance Manual - Page 39
cable and run T&D09. See How To Run the Test and, Questions/Actions
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Table 4. MAP 0120: Attachment, Model A00 (continued) Step Questions/Actions 4. Install the RS-232C loop-back connector. Run T&D9 in Single Test Mode to test the serial attachment circuits. See "How To Run the Test and Diagnostic (T&D) Programs" on page 161 for Model A00. For Model 003, see "How To Run the Test and Diagnostic (T&D) Programs" on page 201. Did T&D09 run without errors? 5. Install the loop-back connector on the host end of the cable and run T&D09. See "How To Run the Test and Diagnostic (T&D) Programs" on page 161 for Model A00. For Model 003, see "How To Run the Test and Diagnostic (T&D) Programs" on page 201. Did T&D09 run without errors? Yes Go to step 5. No Record the display message and go to "T&D Error Messages and Actions" on page 190 (Model A00) or "T&D Error Messages and Actions - Models 001, 002, and 003" on page 231 (Model 003), and perform the suggested action. Install a new serial attachment Install a new host cable. card. See "Serial Attachment Card - Model A00" on page 390. Run T&D in Automatic Mode to For Model 003, see "Model 003 verify correct printer operation. Attachment Cards: Serial, See "How To Run the Test and Twinax, LAN, Coax" on Diagnostic (T&D) Programs" on page 359. page 161 for Model A00. For Model 003, see "How To Run - or - the Test and Diagnostic (T&D) Programs" on page 201. Install a new logic board. See "Logic Board - Model A00" on page 370. For Model 003, see "Logic Board - Model 003" on page 366. Run T&D in Automatic Mode to verify correct printer operation. See "How To Run the Test and Diagnostic (T&D) Programs" on page 161 for Model A00. For Model 003, see "How To Run the Test and Diagnostic (T&D) Programs" on page 201. Chapter 1. Diagnosing Problems 39
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