AL-2041 ADJUSTMENTS 9 - 7
5. SPF scan position automatic
adjustment
Place a A4 paper (white chart) so that it covers the SPF scan glass
and the OC glass together, and close the SPF.
When simulation 53-08 is executed, the current adjustment value is
displayed as the initial display.
* Default is 1. Adjustment range is 1 – 99. Adjustment unit 1 =
about 0.127mm
* If the values are kept as the default values, SPF scan is not per-
formed properly. The front area of the proper scan position may
be scanned.
In case of AUTO, press [START] key, and the mirror unit scans
from the home position to the SPF scan position with the adjust-
ment value displayed. The SPF glass cover edge position is calcu-
lated from the difference between the SPF glass cover edge and
the OC side document glass CCD output level. If the adjustment is
normal, the adjusted value is displayed. If abnormal, the error LED
lights up with the current set value displayed.
During the error LED is lighted, when [START] key is pressed
again, execution is performed again.
Operation
The operation is similar to simulation 46-01. (In MANUAL)
6. SPF mode sub scanning direction
magnification ratio adjustment
Note: Before performing this adjustment, be sure to check that the
OC mode adjustment in copying has been completed.
1) Put a scale on the original table as shown below, and make a
normal copy (100%) on the front and the back surfaces to
make a test chart.
Note: Since the printed copy is used as a test chart, put the scale
in paralled with the edge lines.
2) Set the test chart on the SPF and make a copy in the normal
ratio (100%). (AL-2031/2041)
3) Compare the scale image and the actual image.
If necessary, perform the following adjustment procedures.
4) Execute SIM 48-05.
5) The current sub scanning direction magnification ratio correc-
tion value is displayed in two digits on the display section.
6) Enter the set value and press the [START] key.
* When there is no document in SPF, copy is inhibited.
<Adjustment specification>
Mode
Display
item
Default
LED
SPF scan
position auto
adjustment
AUTO
1
AE mode lamp (AL-2031/2041)
SPF scan
position manual
adjustment
MANU
1
TEXT mode lamp
(AL-2031/2041)
<When OK>
<When ERR>
53-08 SPF AUTO
AUTO 100% ** OK
53-08 SPF AUTO
AUTO 100% ** ERR
6cm or more i
s
re
qu
ired.
Mode
LED
Default
Sub scan magnification ratio
adjustment on the surface of SPF
document
AE mode lamp
(AL-2031/2041)
50
Adjustment mode
Spec value
SIM
Set value
Setting
range
Sub scanning
direction
magnification ratio
(SPF mode)
At normal:
±1.0%
48-5 Add 1:
0.1% increase
Reduce 1:
0.1% decrease
1 – 99
