,-
.-e
. ..= —
.--7. .., . . .
. . . . . .— .,.. -----
,-—- . .
SF-7700
SF-77=
@ Inaerttwo M3 x ~ ecrewsthroughtRemirrorbaaeCcarrrhoMer
hole to the mirrorbase C cam hole.
@ ~gtien cam worm gear holding~.
@ Remove the WO screws.
In
‘Focus adjustment-1(at the centerof the copy
mage)
Focusai the centerofthe copyimagecan be adjustedby changing
the locationof mirrorbase C.
It is eeeerrtidbeforethisadjustmentis done that properparallelism
for mirrorb-s A, B, and C, are wrrect.
FOCUSadjustmentis r~uired for any of the folbting re~ns:
. After movingthe mirrorbase C positionor replacement.
. After replacementof the lens.
.. After re~acement of mirrorbase A or B.
(SF-m50)
@ Loosenthe mirrorbase C drive cam shaft nut.
@ Remove the tightside upper, rear panel.
@ Unlock the optical unit l~k lever and sightw lift up the optica
unit,withoutunfasteningthe twoconnectorsbetweenthe optid
system and the prqsa unit.
@ Rotate the mirror base C poaitfon adjusting shaft with a
screwdriverthroughthe clearance between the _ system
and the processunit.
@ Completelyc~ the optid unit.
@ Place the test chart (UK~~9CS~ or,re~utiorr test hart
on the o@inal table.
@ Make acopyortartA3(ll* x l~copypeperinthe norrndrnode.
@ Check the focus at the center of the copy paper.
@ Ifthefocus isproperandtheresolution ismorethan5.Oline~mm,
tightenthe shaft securingnut.
NOTE: Pay attentionthatthe mirrorbase C positionadjustingshaft
doea not rotate.
If a properfocus is not aflained, repeat steps@ through@.
.
10-11
(sFm)
@ LoosenMirrorBase C Positionadjustingshaftsecuringnut.
@ Tumthemirrorbaee C_rtadjueting shaftwithaecrewdriver,
Q
@ Place the teat chart (UK~_S~ or rmution test chart
on the originaltabfe.
@ Makea~&anA3(ll* x l~copypeperintheno~~ mode.
@ Check the focusat the center of the copy paper.
I
1
a
@ If the focusisdearartd the resolutionis morethan5.Oline#mm,
Whtm the shaftSSCUriqn~
Hthe properfocusia not attained,repeat steps@ through@.
f ) F~
a us adjustment.2(at the comerof the copy
mag
...
(SF-=% ~iy)
~ focus of an itige at the corner must & adjusted by th~
horizonti Opfid =k of the lens (~ horizo~ itiination).
Beforethe adjuetmarttis done, it is
asaenti~ that properpardleliarr
Of the mirrorbSS8S,A, B, @ C, @ me f~s at We ~ntw d
copy image is ~in .~catione.
-y mmer focus adjustmentis r~uired for any of the followi~
reasons:
● After replacement
of the lens.
. After replacementof the lens k.
● Afiw mpla~nt of mi~r -s A, B, or c.
@ ~;~&horizont~ opticalarrisadjusting
eccentricscrewon ths
I