3se
giw
se
irfw
nirr
atu
Ut (
ire
dae
Id@
nirt
lat
;
ns
9i
F
,...
.,.
,,
.,’
,-
—
,,:.
SF-7700
SF-7750
(22) Blank lamp(BL)
Charges on the drum may remain out of the image area in the
redutiion mode, in the lead edge void area, the separationvoid
area, and trail edge area in the enlargementor normalmode.me
blankIWP isthe~fOre appliedto retnovethetiarge inthe unwanted
area to Preventtoner depositsout of the im~ area.
(Blank lamp exposure)
(AB series)
(Inchseriee)
Vti mea
(separsti area)
3. Ad~ustments
(1)Exposurebalanceadjustment
Make a half-tonempy on the A3 (11“ x 1~ paper in @e normal
(l:1 ) mode, then adjust h exposure bd~ by moving the
exmsure ~ntml pktes W, X, Y, ad Z in di~n A or B.
Dir~ion A makes me ex~sure da~er and dir~on B makes ~
ex~sure lighter.
_ Frontframe
Rearframez
n
–,
I
B t
/
EIm!,~t~;:;eW&m@x I
~rs’-plats Z
_re = ptatsY
MOTE: If the ex~sure ~~1 plate W was moved, oopy density
~aeds to be adjusted.
Example:If the ~py is like the one shown~bw, move ex-ure
;Ontrolplate W in dire~ion B to balan~ the exposure.
(2)Mirrorbase B parallelismadjustment
T-IS adjustmentis rqujr~ to obtainparallelismOffhe mirmrb-
8 ~Ith the drum sutiace and the originalSurf-.
Tke adjustmentis requir~ for any of the f~lo~~ re~ns:
● ~~er replacementof the mirrorbase drive Wlm.
9 ~fier replacementof the mirrorbase A or mirrorbase B.
● When the my like the one shownMow is produ~.
@ Loosenme mirrorbase A wire Wing ~rew, one each on the
frontframe and ~ar frame side.
1–
I
Al
. .———.. . . .
---:rul
B
,:
-
*
10-6
To Next Page
Loading...
