Canon NP6330 Service Manual page 174

CHAPTER 5 PICK-UP/FEEDING SYSTEM
4) When the first copy paper has moved past the set-back roller 2, the set-back rollers
1 and 2 are rotated in reverse until the second copy paper moves past the lower
feeder outlet paper sensor (PS13); at the same time, the lower feeder flapper is
raised.
Set-back roller 1
5) The re-pick up operation for the second copy paper is started as soon as the first
copy paper turns on the pre-registration paper sensor (PS9).
5-28
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Lower feeder outlet
paper sensor (PS13)
Set-back roller 2
Lower feeder outlet roller
Figure 5-520
Photosensitive drum
Figure 5-521
CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Lower feeder
flapper
Pre-registration paper sensor (PS9)
Horizontal registration
paper sensor (PS14)
Horizontal
registration
roller