Konica Minolta bizhub 160 Service Manual - Page 332

Adjust

Page 332 highlights

DF-501 Field Service Ver. 1.0 Apr. 2005 5.2 ADJUST 5.2.1 ADF SUB ZOOM 5. Service Mode Functions • To adjust for variations in the accuracy of all parts and their mounting accuracy by varying the scanning zoom ratio in the sub-scanning direction when using the Automatic Document Feeder. Use • When the Upper Cover Assy. (Original Glass) has been replaced • When the ADF has been replaced Adjustment Specification E • Adjust the length of E in the copy of the test pattern so that the following specification is met. Specifications 200 ± 0.5 % (Zoom Ratio = Full Size: 100 %) Adjustment Instruction Adjustment Procedure 1382D009AA Setting Range 95 to 105 (1 increment = 0.4 %) The default setting is "100" If the width of E in the test pattern is longer than the specified width. ..... Decrease the setting. If the width of E in the test pattern is shorter than the specified width. ..... Increase the setting. 1. Print the test pattern. 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. If the length of E in the copy of the test pattern is not the same as the length of E in the test pattern, 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. • Load the test pattern into the Automatic Document Feeder again, make another test copy, and check it. Adjustment / Setting 13

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Field Service Ver. 1.0 Apr. 2005
5. Service Mode
13
DF-501
Adjustment / Setting
5.2
ADJUST
5.2.1
ADF SUB ZOOM
Functions
To adjust for variations in the accuracy of all parts and their mounting accuracy by
varying the scanning zoom ratio in the sub-scanning direction when using the Auto-
matic Document Feeder.
Use
When the Upper Cover Assy. (Original Glass) has been replaced
When the ADF has been replaced
Adjustment
Specification
Adjust the length of E in the copy of the test
pattern so that the following specification is
met.
Specifications
200 ± 0.5 % (Zoom Ratio = Full Size: 100 %)
Setting Range
95 to 105 (1 increment = 0.4 %)
The default setting is “100”
Adjustment
Instruction
If the width of E in the test pattern is longer than the specified width.
.....
Decrease the setting.
If the width of E in the test pattern is shorter than the specified width.
.....
Increase the setting.
Adjustment
Procedure
1.
Print the test pattern.
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.
If the length of E in the copy of the test pattern is not the same as the length of E in
the test pattern, 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.
1382D009AA
E