IBM 4247-003 Maintenance Manual - Page 41
MAP 0121: Parallel with Twinax or Coax Attachments, Models 001
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MAP 0121: Parallel with Twinax or Coax Attachments, Models 001, 002, or 003 Table 5. Symptom Explanation Suspected FRUs/Causes 015 COMMUNICATIONS CHECK 017 COMMUNICATIONS CHECK 027 COMMUNICATIONS CHECK 028 COMMUNICATIONS CHECK 065 NO ATTACHMENT CARD, Models 001, 002 066 PRINTER BOARD FAILURE, Models 001, 002 200 ATTACHMENT INCOMPATIBLE, Model 003 203 ATTACHMENT CARD FAILURE, Model 003 Print Test OK, no print from host, Incorrect or garbled print, wrong characters print Printer configuration Logic board (includes parallel attachment) Host cable Models 001, 002: coax or twinax attachment card Model 003: plug connection Logic board (includes parallel attachment) Note: Printing in hexadecimal code is available to aid service personnel and programmers for host program debug. Press the Stop key, the Hex Print key, and the Start key. Printing will now be in hexadecimal code. Refer to a 4247 User's Guide for instructions. Chapter 1. Diagnosing Problems 41
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