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(4) DV sensor level adjustment
@) Manually actuate the doorswitch (DSW) and turn on
the power.
-
@ Execute test command 25 to stir the developer for a
period of one minute.
(Test command execution procedure)
oe) Manually actuate the doorswitch
(DSW) and press the
PSW key. The test command
25 now starts to execute
to stir the developer for one minute.
®
After stirring the developer for one minute, press the
PSW
key to perform
test command
25 once
more.
Turn
the DV
sensor
level adjusting screw clockwise
until the toner empty lamp (TEL) activates. .
G) Slowly turn the DV sensor level adjusting screw clock-
wise and stop when the TEL goes out.
I
DV sensor level adjusting screw
=
Front frame side
Lad
(5) Setting drum sensitivity
@
Remove the drum sensitivity switch (DSSW) cover.
Auto exposure contro! switch
Leading edge of paper
SF-7200
@ Set the DSSW position to the first digit of the drum
number noted before.
Example:
.
If the drum number is 2B1984, set the DSSW to "2".
@) Set
the
auto
exposure
control
switch
to the
"N"
(normal) position.
(DS-SW)
Auto exposure control switch
1
2
3
4
————
—
D
N
Lil
L2
Darker
Lighter
>
Darker
Lighter
NOTE:
Copy density may vary depending on the position
of the
DSSW
and the auto
exposure control
switch.
4. Copy Tests
(1) Void area and image loss
Make copies in every magnification ratio to ensure that void
area and image loss are within the given limits.
(Rear)
(Original)
(Front)
'(Void area and image loss at the lead edge)
—+<—
Image loss (1+0.5mm)
Void area (2.0+ 1.5mm)
(Void area and image loss at the separator side)
Edge of paper on the rear cover side
=
:
fs.
Image loss
Void al
as
3~ 10mm
-
+1 —2mm
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