Canon NP2120 Service Manual page 47

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For details on adjustment for each VR, see the SERVICE HANDBOOK.
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Figure 3-6
C A N O N NPZf20/2MO R E Y . 0 MAY 1990 PAINTEO I N JAPAN IIMPAIME AU JAPON)
5 v
V R 5 : a d j u s t s i m a g e l e a d i n g e d g e
registration clutch ON timing for
larger margin).
V R 3 : a d j u s t s i m a g e l e a d i n g e d g e non-
f m a g e w f d t h (turn clockwise to
n o n - i m a g e w i d t h ) .
V R 4 : a d j u s t s p a g e separation 2 n d p a g e
l e a d i n g e d g e n o n - f m a g e w i d t h (tun
c l o c k w i s e to delay glrd bias ON
timing for larger non-image width).
V R 2 : a d j u s t s AE slope (in service m o d e ) .
s t a n d a r d m o d e .
R 2 : w h e n cut. document size
R 3 : w h e n cut, a u t o clear d i s a b l e d .