Ricoh FT5580, Service Manual

Page: 37 / 522

12 June 1987
Mode No.
Function Data Factory Comments
Setting
44 Horizontal
Adjusts magnification 0 - 15 8
-0.8% to +0.7%
Magnification perpendicular to the
Adjustment
direction of paper
travel.
45 Lens tolerance
Adjusts lens position 0 - 15
-0.8% to +0.7%
8
adjustment to correct focus.
46 Size detection
Corrects size 0 - 15 8
1 mm per step.
error correction
detection.
-8 mm to +7 mm
47 Focus Adjusts 4th/5th mirror 0 - 15
8 0.215 mm per step.
Adjustment
position to correct
-1.72 mm to +1.505
focus.
mm
48 Light Intensity Adjusts exposure lamp
50 - 80 65 To adjust voltage,
adjustment
voltage. Vac
enter lamp voltage
with key pad in
0.5-volt steps.
49 Fusing Tempera- Adjusts fusing temp.
175 - 190 185
175 to 190 degrees in
ture Adjustment
degrees
1 degree steps.
50 Original Length
Displays the length
Press # key to
Detection Check detected by the size
display.
detection circuit.
51 Exposure Lamp Displays exposure
Exposure lamp stays
Voltage Check lamp voltage.
on for 10 seconds. Do
not repeat more than
5 times to avoid over
heating the optics
cavity.
52 Fusing Temper-
Displays the fusing
ature
temperature.
53 Drum Tempera-
Displays the drum
ture
temperature.
54 Vsg Adjustment
Turns on lD sensor
Adjust Vsg with VR
LED.
on the ID sensor board.
LED turns on 10 s
(no drum rotation).
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