Samsung CLX-8640 series Service Manual page 215

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Diagnostics > Adjustment > Print Adjustment > Magnification
Purpose
Operation Procedure
Verification
Specification
Reference
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Diagnostics > Adjustment > Print Adjustment > Image Position
Purpose
Operation Procedure
Verification
Specification
Reference
•
Diagnostics > Adjustment > Print Adjustment > Print Test Pattern
This menus prints the test pattern.
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To correct magnification of print-outs manually.
1) Press "Vertical Magnification" or "Horizontal Magnification"
2) Horizontal magnification (c) : If the current value is smaller than the specification, press
"+". Otherwise, press "-".
3) Vertical magnification (d) : If the current value is smaller than the specification, press "+".
Otherwise, press "-".
Examp le
Cas es
189 mm
= 192 mm
= 275.3 . mm
= 278.9 mm
Print out and measure if the length of vertical (400 mm) and horizontal line (277 mm) in the print-out
are correct.
c : 190 mm, ± 1.5 mm (A3)
d : 277 mm, ± 1.5 mm (A3)
Scanner A/S Chart
To correct image position of print-outs manually.
1) Select a tray required adjustment.
2) Change the adjustment value with arrow button. "+" value will move to Tail-Edge while
"-" value will move to Lead-Edge.
Example
Cases
= 8.5 mm
= 11.6 mm
Print out and check if all the position of scale marks (a,b) in the image are located within the specified
limit.
a,b : 10 mm, ± 1.5 mm
Scanner A/S Chart
Ho rizo ntal
Ad jus tment
+10
-20
Simplex
Simplex
Leading
Side Edge
Edge
+ 15
-16
4. Troubleshooting
Vertical
Ad jus tment
+17
-19
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