Xerox Phaser 7300B, Service Manual, Page: 163 / 277

FRU Disassembly 6-147
Electrical Card Cage (PL 3.10) and
Electrical Cage Fan (PL 3.9)
Fan Removal
1. Remove the Rear Cover (see pg. 6-135).
2. Remove the Rear Shield Plate (see pg. 6-146).
3. Disconnect the fan harness from the Engine Controller Board.
4. Remove 2 screws and the spacers securing the fan to the Electrical Card Cage.
5. Remove the Electrical Cage Fan.
Note: When replacing the fan, note the air flow direction. The
fan should blow into the cage. Improper replacement of the
fan will damage the printer.
Card Cage Removal
1. Remove the Image Processor Board (see pg. 6-142).
2. Remove the Rear Shield Plate (see pg. 6-146).
3. Remove 4 G and 4 B screws securing the Top Shield Plate (item #1) to the
electrical card cage. Remove the top shield plate.
4.
Disconnect all connectors and ribbon cables from the print engine controller
board.
Note: Label harnesses and ribbon cables to aid in reconnecting
them.
5.
Pull out disconnected cable harnesses routed through the top of the Printer Unit
Chassis.
6. Remove disconnected cable harnesses from the card cage.
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