Circuit Board: PSA3 Controller319Circuit Board: PSA3 ControllerATTENTION To prevent electrostatic damage to electronic components, wear a properly grounded static wrist strap when handlingcircuit boards, the shuttle frame assembly, and any other electronic component.Removal1. Make a configuration printout of all configurations. (Refer to theUser’s Manual.)2. Prepare the printer for maintenance (page 313).3. Cabinet Model: Remove the paper guide assembly (page 348).Pedestal Model: Remove the top cover assembly (page 327).4. Disconnect all cable connectors from the controller board. (See page 406.)5. Loosen, but do not remove, the screws securing the controller shield near serial cable connector J201.6. Remove any attachment cards, if equipped.7. Save any standoff connections, if equipped.8. Loosen, but do not remove, the screw securing the controller shield to the bottom of the card cage, on the left side near thecard cage fan.9. Slide the controller board to left until the keyway clears the screw securing the controller board to the bottom of the cardcage.10. Remove the controller board.11. If you are removing the controller board for reasons other than replacement (i.e., you will re-install the original controller atsome point), you do not need to remove the memory modules or security key. If you are replacing the controller board,remove the FLASH SIMM and Security Key (page 339), and install them on the replacement controller board. The SecurityKey must be installed on the replacement controller board to ensure the printer functions correctly.
