Konica Minolta Bizhub 162 Service Manual page 291

8. Service Mode
E. CCD SUB ZOOM
Functions • To adjust variations in machining and installation accuracy of different IR parts by
varying the scanning zoom ratio in the sub scanning direction.
Use • After the PRN MAIN REGIST and PRN SUB REGIST adjustments have been per-
formed
• When the Scanner Drive Cables have been replaced
Adjustment
Specification
Adjustment If the D on the copy is longer than the actual one, decrease the setting value.
Instruction If the D on the copy is shorter than the actual one, increase the setting value.
Adjustment 1. Place a scale so that it is at right angles to the original width scale, and copy it.
Procedure 2. Measure the D of the scale on the copy. If the amount of error falls outside the speci-
fied range, perform the following steps to make an adjustment.
3. Enter Adjust of the Service mode.
4. Select "Adjust" of "CCD Sub Zoom."
5. Using [
6. Press the [Yes] key to validate the setting value selected in step 5.
NOTE
• If a single adjustment procedure does not successfully bring the amount of
error into the specified range, repeat steps 3 through 6.
74
D
4030D529AA
▲ ▼
/ ] key, select the appropriate setting value.
Field Service Ver. 1.0 Apr. 2005
• After finishing the PRN MAIN REGIST and
PRN SUB REGIST adjustments.
• Adjust the width of D in the copy of the scale
so that the following specification is met.
Specifications
300 ± 3 mm (Zoom Ratio = Full Size : 100%)
Setting Range
95 to 105 (1 increment = 0.4 %)
The default setting is "100"