8. Remove the board by pulling the back edge up and out. Note how the front edge is inserted between the
metal tabs on the frame shield.
Replacement
1. Follow the removal steps in reverse order.
Note: Be certain the front edge of the logic board is inserted between the metal tabs on the frame.
2. Run the T&D program in automatic mode. See “How To Run the Test and Diagnostic (T&D) Programs” on
page 201.
Ensure that T&D12, T&D15, T&D16, and T&D17 are adjusted, if indicated.
3. Use the printer configuration printout to verify configuration settings. See
IBM 4247 Printer Model 003 User’s
Guide, S544–5780.
E90A
CB5
Threaded
Screw (2)
Self-tapping
Screw (4)
Standoff (2)
A
C
B
Fan
Support
Figure 112. Logic Board Screw Type Locations
Chapter 5. Removals and Adjustments
369
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 ...