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Service<br />
Guide<br />
<strong>ColorPage</strong>-<strong>Vivid</strong> <strong>4X</strong> <strong>USB</strong><br />
How to Adjust the CCD Points & Center Value<br />
Step 1<br />
1. Loosen the screws that adjust the CCD Board.<br />
2. With one hand to adjust the Scanner Center<br />
slightly to the right or left.<br />
3. After the Scanner Center is set, hold the CCD<br />
Board with one hand, and then adjust the CCD<br />
points slightly up or down.<br />
figure 3.3.1.<br />
4. When adjustments have been done, and then<br />
you may solidly fasten the screws.<br />
Notice:<br />
A. The Scanner Center value for the Module<br />
Horizontal Resolution Adjustment tool is<br />
between +10 to -10).<br />
B. The CCD points value for the Module<br />
Horizontal Resolution Adjustment tool is<br />
between 3 ±1).<br />
Step 2<br />
1. Slightly adjust the position of CCD Board till<br />
the waveform shown in the computer screen has<br />
reached its maximum wavelength.<br />
figure 3.3.2.<br />
2. Fasten the screws temporarily, but do not solidly<br />
fasten the screws.<br />
Step 3<br />
1. Fasten the screws , then place green seal onto<br />
the screws.<br />
2. Re-install the Scanner Module back to its<br />
original position.<br />
figure 3.3.3.<br />
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