Ricoh FT4460, Service Manual, Page: 179 / 413

28 February 1989
Mode No.
46 Size Detec-
tion Error Cor-
rection
47 Focus Adjust-
ment
48 Light lnten-
sity Adjust-
ment
49 Fusing
Temperature
Adjustment
50 Original
Length Detec-
tion Check
51 Exposure
Lamp Voltage
Check
52 Fusing
Temperature
54 Vsg Adjust-
ment
55 Vsg & Vsp
Check
Function
Corrects size detec-
tion.
Adjusts 4th/5th mir-
ror position to cor-
rect focus.
Adjusts exposure
lamp voltage.
Adjusts fusing temp.
Displays the length
detected by the size
detection sensor.
Displays exposure
lamp voltage.
Displays the fusing
temperature.
Adjusts Vsg
Displays Vsg and
Vsp.
Data
0 - 15
0 - 14
50 - 75 Vac
175 - 190
degrees
Factory
Setting
8
8
64
185
4
±
0.2V
Comments
1 mm per step.
(Max. -8 mm to
+7 mm)
0.48 mm per step.
-1.72 mm to +2.88
mm
NOTE: Adjust SP
Mode #47
after adjust
ing #43 &
#44.
To adjust voltage,
enter lamp voltage
with key pad in 1.0-
volt steps.
175 to 190 degrees
in 1 degree steps.
Press # key to dis-
play.
Press # key to dis-
play. Exposure
lamp stays on for
10 seconds. Do
not repeat more
than 5 times to
avoid overheating
the optics cavity.
Press “#” key to
display.
Adjust Vsg with
VR102 on the
operation board.
Vsp & Vsg values
updated every 10
copies. Press “#”
key to display Vsp.
Press “0” key to dis-
play Vsg.
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