Konica Minolta BIZHUB 163 Service Manual page 163

10. Service Mode
C. CCD MAIN ZOOM
Functions • To adjust variations in machining and installation accuracy of different IR parts by
varying the scanning zoom ratio in the main scanning direction.
Use • Used when the CCD unit has been replaced (After the CCD unit has been adjusted
for correct position).
Setting/ • The default setting is 100.
Procedure
• Adjustment instructions
If the length on the copy is longer than the actual one, decrease the setting value.
If the length on the copy is shorter than the actual one, increase the setting value.
Adjustment • Adjust so that the amount of error falls within ±1.0% of the length to be measured.
Procedure • Adjust so that the following specifications are met when the length of the scale is 200
mm.
Zoom Ratio/Specifications
Zoom Ratio: Full size (× 1.00)
Specifications: 200 ± 2.0 mm
1. Place a scale on the original glass in parallel with the original width scale and make
a copy.
4. Select [CCD MAIN ZOOM] of [ADJUST].
5. Using [ ▲ / ▼ ] key, select the appropriate setting value.
6. Press the OK key to validate the setting value selected in step 5.
7. If a single adjustment procedure does not successfully bring the amount of error into
the specified range, repeat steps 3 through 6.
128
95 (-2.0%) to 105 (+2.0%)
(1 step: 0.4%)
2.Measure the length of the scale on the copy.
If the amount of error falls outside the
specified range, perform the following
steps to make an adjustment.
A09AF3C506DA
3.Enter adjust of the Service Mode.
Field Service Ver. 1.0 Apr. 2007