Canon NP6251 Service Manual page 464

Step
5 Remove the two fixing assembly nip
releasing screws.
6 Close the fixing/delivery assembly.
COPYRIGHT © 1997 CANON INC.
Download service manual and resetter printer at http://printer1.blogspot.com
Work
CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 9 INSTALLATION
Remarks
Screw (rear)
Screw (front)
9-9