Konica Minolta Bizhub 162 Service Manual page 123

10. Service Mode
E. CCD MAIN REGIST
Function Test Copy
Purpose/Use To adjust variations in machining and installation accuracy of different IR parts by vary-
ing the starting position of image scanning in the main scanning direction.
✽
When the PH Unit has been replaced (After PRN Main Regist, PRN Sub Regist, and
CCD Main Zoom have been adjusted)
✽
When the CCD Unit has been replaced (After the CCD Unit has been adjusted for
correct position)
Setting/ Press the Start key to start a test copy
Procedure cycle.
Adjustment
Procedure
1. Load the Paper Feed Tray/1 with A4 crosswise paper.
2. Enter Function of the Service mode.
3. Select "Print 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 "Adjust" of "CCD Main Regist."
7. Using [ ▲ / ▼ ] key, select the appropriate setting value.
8. Press the [Yes] key to validate the setting value selected in step 7.
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.
If a single adjustment procedure does not successfully bring the deviation into the
specified range, repeat steps 5 through 7.
94
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
4035D519AA
Field Service Ver. 1.0 Apr. 2005
Adjust
Setting range: 20 to 180 (1 step: 0.1 mm)