Oki OKIFAX OF-38 Field Service Manual - page 182
of
284
5.2.3.5
Sideways adjustment
Procedures:
1)
Set the specified test chart (Figure 5.4.19). adjust the document guide to the chart
width, and place the chart at the reading position.
2
Additional line
(about mm
in thickness)
i
t
Fig. 5.2.19
Additional line on the specified chart
Use the
channel of the oscilloscope to observe the marker signal at test-point
on the
PC board, and use the
channel for the sensor output
waveform, at the side reading position with the alternation ALT mode of the
oscilloscope.
l-l
(Marker signal)
(Sensor output)
Right edge of B4 for one marker bit
signal)
* Detail
sensor output
vertical line on the chart.
I
(Sensor output!
Fig. 5.2.20
Side position adjustment
5 - 2 1