8-38
Phaser 440 Color Printer
8
FRU Disassembly/Assembly
Circuit boards
Power supply circuit board
Warning
Unplug the power cord to remove a possible electric shock hazard.
1.
Power down the printer. Unplug the power cord.
2.
Remove the power supply as detailed in the previous procedure
“Card cage and power supply” on page 8-36.
3.
Remove the image processor board as explained in the procedure
“Image processor board” on page 8-44.
4.
Remove the two screws securing the AC shield in place. Remove the
shield.
5.
Remove the four screws securing the power supply circuit board to
the bottom pan of the card cage.
6.
Remove the ground screw.
7.
Remove the AC cord receptacle and AC voltage select switch.
8.
Disconnect connectors CN8 and CN9.
Tools required
■
#1 POSIDRIV® screwdriver