Konica Minolta IP-421 Service Handbook page 27

Chapter 2 Disassembly / Assembly
4. Mount the PS-341 on the print controller board.
Position the PS-341 by matching the cut corner to that on the board.
5. Fit the printer relay board into the connector of the IP-421 print controller.
6. Fix the flash card stopper plate with two screws, then fix the printer relay board with three screws.
7. Fix the board cover on the IP-421. (11 screws)
8. To remove, reverse the installation procedure.
To remove the PS-341, use a PLCC removing tool.
2-10 IP-421 PRINT CONTROLLER
Caution:
Printer relay board
Caution:
PS-341
Printer relay board
Flash card
stopper plate