Canon NP6251 Service Manual page 166

CHAPTER 4 IMAGE FORMATION SYSTEM
3) Be sure to use the mounting screw
4) Be sure to execute 'wire cleaning' in user mode. (You need not perform this step if
the surface temperature of the upper fixing roller is 100°C or less, since wire cleaning
will be executed automatically.)
4-52
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when fixing the fixing guide plate
Figure 4-322
CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
in place.