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2.7.4.1 Sub Scan Line Position for CM
The adjustment of the sub-scan line position for CMY
The printer measures the gaps between the lines of ea
gaps for a color are not correct, the printer moves the
do this, it changes the laser write timing for that color.
2.7.4.2 Main Scan Line Position for C
When the printer detects that the image is out of positi
write start timing for each scan line.
2 7 4 3 M
2.7.4.3 Magnification Adjustment for
ifi
When the printer detects that magnification adjustmen
the required color.
2.7.4.4 Skew for CMY
The adjustment of the skew for CMY is based on the l
2.7.4.5 Adjustment Conditions
Line position adjustment can be turned on or off. How
f nction
function.
Line position adjustment timing depends on several se
∆t = Elapsed Time.
•
∆T = Temperature change of LSU (Laser Scanning
•
•
position adjustment and the current temperat
•
Pages = Total printed pages after previous line pos
2.7.4.6 Initial Adjustments
Line position adjustment starts automatically after war
printer recovers from energy saver mode.
Line position adjustment is automatically performed wh
Line position adjustment is automatically performed wh
∆t (Elapsed Time after previous job) > Time thresh
•
∆T > Temperature threshold (LSU temp. : 4 ℃)
•
Service Manual
2. Product d
ti
Adj
t
description
MY
is based on the line position for K (color registration).
ach color in the pattern on the transfer belt. When the
image of the color up or down the sub scan axis. To
CMY
ion in the main scan direction, it changes the laser
t f
r CMY
CMY
nt is necessary, it changes the LD clock frequency for
ine position for K.
ever, it is normally recommended to turn on this
ettings. These settings include the following:
g Unit) between the temperature of the previous line
ture.
sition adjustment.
ming up when the power is turned on, or when the
hen all conditions below are satisfied
hen all conditions below are satisfied.
hold (default: 3 hours)
2-4
48
SAMSUNG ELECTRONICS
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