Xerox Phaser 3100MFP Service Manual page 75

Repairs and Adjustments
2. Disconnect the CIS ribbon cable and remove it from its two side slots, Figure 2.
CAUTION
Keep the CIS support springs and slides.
Figure 2
3. Remove the CIS.
Replacement
1. Replacement is the reverse of the removal procedure.
Phaser 3100 MFP 04/08 4-47