Table 52. Models 001 and 002 logic board jumper location to enable +5 V dc on pin 18:
4247 001, 002 Logic Board Level : Install jumper between pins:
Level1,2logic board 2 and 3
Level 3 logic board 1 and 2
4. Run the T&D program in automatic mode.
For Model A00, see “How To Run the Test and Diagnostic (T&D) Programs” on page 161.
For Models 001 and 002, see “How To Run the Test and Diagnostic (T&D) Programs” on page 201.
Ensure that T&D11, T&D12, T&D15, T&D16, and T&D17 are adjusted, if indicated.
5. Use the printer configuration printout to verify configuration settings. See
IBM 4247 Printer Models 001, 002
User’s Guide
.
Logic Board Component Inspection Reference
Use the following circuit diagrams and Table 53, to identify damaged circuits.
Note: Q1, Q2, and Q6 are vertically mounted. U34, U35, and U36 are mounted to heat sinks.
Chapter 5. Removals and Adjustments 385
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