Table 52. Models 001 and 002 logic board jumper location to 5 V dc on pin 18:
4247 001, 002 Logic Board Level :
Install jumper between pins:
Level 1 , 2 logic 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
Summary of Contents for 4247
Page 1: ...4247 Printers Maintenance Information Document Number SA24 4400 05 Part Number 27P8450 IBM ...
Page 241: ...e90apc15 Figure 24 Main Input Power Supply Ground Chapter 3 Circuit Diagrams 241 ...
Page 257: ...Figure 32 Stacker Motor Wiring Chapter 3 Circuit Diagrams 257 ...
Page 261: ...Stacker Cable Wiring Figure 36 Tractor Assembly Cable Wiring Chapter 3 Circuit Diagrams 261 ...