Adf Main Regist - Konica Minolta bizhub 160f Service Manual

5. Service Mode
5.2.2

ADF MAIN REGIST

Functions • To adjust for variations in the accuracy of all parts and their mounting accuracy by
varying the scanning start position in the main scanning direction when using the
Automatic Document Feeder.
Use • After the ADF SUB ZOOM adjustments have been performed
• When the Upper Cover Assy. (Original Glass) has been replaced
• When the ADF has been replaced
Adjustment
Specification
Adjustment If the width of A is less than the width of B ..... Increase the setting.
Instruction If the width of B is less than the width of A ..... Decrease the setting.
Adjustment 1. Print the test pattern.
Procedure 2. Enter the "ADJUST" menu in the Service mode.
3. Load the test pattern into the Automatic Document Feeder and make a test copy.
NOTE
• The test pattern should be positioned vertically.
• Use A4 or Letter paper loaded into Tray 1 to make the test copy.
4. Fold the copy of the test pattern in half, and then check if the fold aligns with the cen-
terline.
If they are not aligned, 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.
• Load the test pattern into the Automatic Document Feeder again, make another
test copy, and check it.
14
B
A
1382D011AA
Confidential – for internal use only, do not distribute
Field Service Ver. 1.0 Apr. 2005
• After finishing the ADF SUB ZOOM adjust-
ments.
• Adjust the amount that widths A and B in the
printed test pattern are shifted so that the
following specification is met.
Specifications
0 ± 2.0 mm
Setting Range
90 to 110 (1 increment = 0.5 mm)
The default setting is "100"