Konica Minolta bizhub 160 Service Manual - Page 172

Use A4 or Letter paper loaded into Tray1 to make the test copy.

Page 172 highlights

bizhub 160/160f bizhub 161/161f Field Service Ver. 1.0 Apr. 2005 13. Service Mode (bizhub 160f/bizhub 161f) F. CCD MAIN REGIST Functions • To adjust for variations in the accuracy of IR parts and their mounting accuracy by varying the scanning start position in the main scanning direction. Use • After the PRN MAIN REGIST and PRN SUB REGIST and CCD MAIN ZOOM adjust- ments have been performed • When the Upper Cover Assy. (Original Glass) has been replaced • When the Scanner Assy. has been replaced Adjustment Specification •After finishing the PRN MAIN REGIST & PRN SUB REGIST and CCD MAIN ZOOM adjust- ments. B •Place the printed test pattern on the Original Glass, and make a copy of it. •Adjust the amount that widths A and B in the A printed test pattern are shifted so that the fol- lowing specification is met. 1382D011AA Specifications 0 ± 2.0 mm Adjustment Instruction Adjustment Procedure Setting Range 90 to 110 (1 increment = 0.5 mm) The default setting is "100" If the width of A is less than the width of B..... Increase the setting. If the width of B is less than the width of A..... Decrease the setting. 1. Print the test pattern. 2. Enter the "ADJUST" menu in the Service mode. 3. Place the test pattern on the Original Glass and make a test copy. NOTE • The test pattern should be positioned vertically. • Use A4 or Letter paper loaded into Tray1 to make the test copy. 4. Check the amount that widths A and B in the copy of the test pattern are shifted. If the shift is out of specification, adjust it according to the following procedure. 5. Change the setting. If the shift cannot be adjusted to within the specification with a single adjustment, perform the adjustment again to change the setting. 6. Press the Yes key to apply the setting. NOTE • If the Stop key is pressed, instead of the Yes key, the main screen is displayed and the setting returns to that before it was changed. • Place the test pattern on the Original Glass again, make another test copy, and check it. Adjustment / Setting 139

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Field Service Ver. 1.0 Apr. 2005
13. Service Mode (bizhub 160f/bizhub 161f)
139
bizhub 160/160f
bizhub 161/161f
Adjustment / Setting
F.
CCD MAIN REGIST
Functions
To adjust for variations in the accuracy of IR parts and their mounting accuracy by
varying the scanning start position in the main scanning direction.
Use
After the PRN MAIN REGIST and PRN SUB REGIST and CCD MAIN ZOOM adjust-
ments have been performed
When the Upper Cover Assy. (Original Glass) has been replaced
When the Scanner Assy. has been replaced
Adjustment
Specification
•After finishing the PRN MAIN REGIST & PRN
SUB REGIST and CCD MAIN ZOOM adjust-
ments.
•Place the printed test pattern on the Original
Glass, and make a copy of it.
•Adjust the amount that widths A and B in the
printed test pattern are shifted so that the fol-
lowing specification is met.
Specifications
0 ± 2.0 mm
Setting Range
90 to 110 (1 increment = 0.5 mm)
The default setting is “100”
Adjustment
Instruction
If the width of A is less than the width of B
.....
Increase the setting.
If the width of B is less than the width of A
.....
Decrease the setting.
Adjustment
Procedure
1.
Print the test pattern.
2.
Enter the “ADJUST” menu in the Service mode.
3.
Place the test pattern on the Original Glass and make a test copy.
NOTE
The test pattern should be positioned vertically.
Use A4 or Letter paper loaded into Tray1 to make the test copy.
4.
Check the amount that widths A and B in the copy of the test pattern are shifted.
If the shift is out of specification, adjust it according to the following procedure.
5.
Change the setting.
If the shift cannot be adjusted to within the specification with a single adjustment, per-
form the adjustment again to change the setting.
6.
Press the Yes key to apply the setting.
NOTE
If the Stop key is pressed, instead of the Yes key, the main screen is displayed
and the setting returns to that before it was changed.
Place the test pattern on the Original Glass again, make another test copy, and
check it.
1382D011AA
A
B