Toshiba e-STUDIO160 Service Handbook page 92

(c) Adjusting the CCD unit
1. Remove original glass. (See Fig. 7-8-7 of the Service Manual)
2. Remove the blind plate. (See Fig. 7-8-16 and 7-8-17 of the Service Manual)
3. Place the CCD jig on CCD unit and loosen 3 screws.
4. Using the marks on the scanner base as a guide, adjust the CCD unit in either forward or backward
direction.
The following table shows the error in the reproduction ratio between the copies and actual rulers
compared to be measured, and the amount of adjustment of the CCD unit.
Reproduction-ratio
error
-1.2%
-1.1%
-1.0%
-0.9%
-0.8%
-0.7%
-0.6%
-0.5%
-0.4%
-0.3%
-0.2%
-0.1%
0.0%
5. If the copy image is enlarged, move the unit to
the right for adjustment.
e-STUDIO160/200/250 ADJUSTMENT ITEMS
Amount of Reproduction-ratio
adjustment error
4.77 mm 0.1%
4.37 mm 0.2%
3.98 mm 0.3%
3.58 mm 0.4%
3.18 mm 0.5%
2.78 mm 0.6%
2.39 mm 0.7%
1.99 mm 0.8%
1.59 mm 0.9%
1.19 mm 1.0%
0.80 mm 1.1%
0.40 mm 1.2%
0.00 mm
1 - 84
Amount of
adjustment
-0.39 mm
-0.78 mm
-1.16 mm
-1.55 mm
-1.94 mm
-2.33 mm
-2.71 mm
-3.10 mm
-3.49 mm
-3.88 mm
-4.26 mm
-4.65 mm
Fig. 1-8-28
December 2002 TOSHIBA TEC
065-04-2