Xerox 6250DT - Phaser Color Laser Printer Service Manual page 324

16.
Carefully slide the Card Cage free while ensuring that cables do not catch and get
damaged.
Replacement Notes
Caution
When reinstalling the Card Cage, make sure the Chute Assembly
Registration and the Housing Assembly Bias are installed after reinstalling
the Card Cage to prevent damaging the bias springs.
Note
The black connector P30 and the beige connector P23 on the Engine Control
Board are not used.
Service Parts Disassembly 8-105