i:.>;>;~..: .,,..;.....
... - .,,. -.
----~ .-..—... ..
.
~ ...-
... .. ,. .,
SF-77OO
SF-7750
@
Plain the test chati (UK~~9CS~ or resolutiontest chafi
Adjustmentisnot~ui~ ifthe U – LBdifferenceisnotgraater
on the originaltable.
@ Make acopyonan~(ll” x l~~pypaPSrinthe normairnode.
than 2.Omm.
h the M – ~ diff~
@ Check the focusat the comers of the copy paper.
is greaterthan 2.Ornm,move”thelens
~a~’tiards the rear frame side (arrowheadA).
tf the U - LB diffe~ is not greater than -2mm, move the
.-.
kns frame towards
.-,
the W frame side (~
,
\
B).
t ,!
1’ ;
(sE-noo)
●-
\
A
,-,
1; \
T
\
.-
*Y paperM (11- x IT)
Lensframe
//
@
Ch- thefms atmmers
-
ni1
——
@ If the focusis clear and the resolutionis rnoreth~ S.OIine#mm,
LMsanthelensframeWing ~
the adjustmenthas been complete.
If the properfocus is not atttinad, repeat steps @through@..
(9)Hodzontalopticalaxis adjustment
The horizontalopticaf axis must be adjusted by moving the lens
locationtowardsthe frontframe or rear frame side.
Beforethe adjustmentis done, k is essentialthat properparallelism
~ the mirrorbases, A, B, and C, and the focus at m ~nter a~
.,
comers of the mpy, image is withinspacificstio~.
The horizontalopticalaxisisrquiradforanyofthefollowlW reasons:
. Afterreplacementorrelwationofthelens,lensguiderail(SF-77W
only), mirror,mirrorMse wire, or lens base (SF-7750 only).
@ Place a sheet of A4 or 8-1/% x 11”whitepaper on the originaf
ta~e l~q ss shon in tie figure blow.
,
I
I I
L
[
-,’
@ Load the A4 or 8-IIP x llm paper in the cassette, Iandsq.
@ Make ampyinthenom@m~e withtheoriginalcoverteffo~n.
NOTE: The shadowed~rtion of the A4 or8-1/z X 11”paparmust
stay flat on the sudaca of the odgind table.
@ Compare the white area in the copy (LA) with the widthof the
paper (LB).
m
------
LB
Mite srea
------
A4(S.1/2 x 11)paper
B
NI tonadarea
(tipy paper)
----- B-F----- -J
(SF-775O)
(10) Venial ditiion copy magnifi~tion mtio
adjustment(SF-~W only)
This~ be adjustedby,changi~-he presetvalueoftestcommand
4S, becausethe kns homepos~ isdeterminedbytestcommand
4S presetv~el
Teat
Cornrnti4Sprbt vslue
1 --------- ~ 4g 5051 ~ ----- -.= gg
11111
Xo.u
1,.-I
r
II
(MPS) outputIev@
II II
II 1,
11
XL54
11,1
11,1
:.
I I ‘, I I
Redw -
‘w’
_
~large
(Lenshomepositin)
,
.
10-12
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