Konica Minolta BIZHUB 163 Service Manual page 165

10. Service Mode
E. CCD MAIN REGIST
Functions • To adjust variations in machining and installation accuracy of different IR parts by
varying the starting position of image scanning in the main scanning direction.
Use • Used when the PH unit has been replaced.
(After PRN MAIN REGIST, PRN SUB REGIST, and CCD MAIN ZOOM have been
adjusted)
• Used when the CCD unit has been replaced.
(After the CCD unit has been adjusted for correct position)
Setting/
Procedure
• Adjustment instructions
If the deviation is longer than the specifications, increase the setting value.
If the deviation is shorter than the specifications, decrease the setting value.
Adjustment
Procedure
1. Load the tray 1 with A4 paper.
2. Enter function of the Service Mode.
3. Select [PRN TEST PATTERN] and then [TEST PATTERN1]. Then, press the Start
key.
This will produce a test pattern.
4. Place the test pattern produced in step 3 on the original glass and make a copy of it.
5. Place the test pattern (original) on top of the copy and check for deviation in width A.
If the deviation in width A falls outside the specified range, perform the following
steps to make an adjustment.
6. Select [CCD MAIN REGIST] of [ADJUST].
7. Using [ ▲ / ▼ ] key, select the appropriate setting value.
8. Press the OK key to validate the setting value selected in step 7.
9. If a single adjustment procedure does not successfully bring the deviation into the
specified range, repeat steps 5 through 7.
130
20 (-8.0 mm) to 180 (+8.0 mm)
(1 step: 0.1 mm)
Adjust so that deviation between width A on
the test pattern produced and that on the copy
produced falls within the specified range.
Specifications
0 ± 2.0 mm
A
A09AF3C504DA
Field Service Ver. 1.0 Apr. 2007