Figure 77 Upper Exit Chute; Figure 78 Stack Full Sensor - Xerox 5400N - Phaser B/W Laser Printer Service Quick Reference Manual

6. Release the three locking tabs and remove the sensor from the holder.
7. Disconnect P/J507 from the Stack Full Sensor.

Figure 77 Upper Exit Chute

Figure 78 Stack Full Sensor

Replacement
Reinstall the components in the reverse order.
Note: The two shoulder screws go in the right end of the Lower
Exit Chute Assembly (see Figure 76).
290 Phaser 5400 Laser Printer Service Guide