Samsung SCX-82x0 series Service Manual page 227

• Diagnostics > Adjustment > DADF Adjustme
Purpose
Operation p
Procedure
Verification
Specification
Service Manual
To correct image position and m
manually. This function is used
satisfy the expectation.
1. Choose one item from the
• Image Position - Si
• Image Position – S
• Magnification – Ver
2. Select one item and press t
3. Change the adjustment valu
4. Image Position (Simplex Le
than the specification, press
5. Image Position (Simplex Sid 5. Image Position (Simplex Sid
the specification, press "-".
6. Magnification (ⓒ) : If the cu
"-". Otherwise, press "+".
7. Press the "OK" button to ap
Example
Cases
ⓐ = 11.5 mm
ⓑ = 8.8 mm
ⓒ = 191.3 mm
ⓒ = 188.0 mm
* Note that value of magnificati
size, 420mm ((190mm + 10mm
1. Copy the Scanner A/S Cha
2. To check the image positio
the chart to the copy.
3. To check the magnification,
copy . copy
ⓐ,ⓑ : 10 , ± 1.5mm
ⓒ : 190 , ± 1.5mm
Image Position Unit: mm, Scale
Magnification Unit: %, Scale: 0.
4.Servic ce Mode
ent > Manual Adjustment
magnification of scanned images via DADF
d when a result of automatic adjustment does not
e table. There are three items to choose.
mplex Leading Edge
implex Side Edge
rtical Direction
the "Edit" button.
ue with arrow button.
eading Edge, ⓐ) : If the current value is smaller
s "+". Otherwise, press "-".
de Edge, ⓑ) : If the current value is smaller than de Edge, ⓑ) : If the current value is smaller than
Otherwise, press "+".
urrent value is smaller than the specification, press
pply the new value to the system.
Leading
Edge Edge
-15
on adjustment needs to be calculated based on A3
m*2)*2) if the used Scanner A/S Chart is A4 size.
rt. Scanning must be occur from the DADF.
on, compare the position of scale marks (ⓐ,ⓑ) of
, compare the length of line ⓒ of the chart to the
e: 0.1, Min/Max: -6/+6
1(0.42mm), Min/Max: 99/101
4-3 33
Side Vertical Direction
Adjustment
-12
+0.6% (near -2.6mm)
-0.5% (near +2.0mm)
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