13. SERVICE MODE
Field Service Ver. 1.1 May 2011
140
ADJUSTMENT
/ SETTING
13.4.5
ADF SUB ZOOM
A. Use
• To adjust for variations in the accuracy of all parts and their mounting accuracy by vary-
ing the scanning zoom ratio in the sub-scanning direction (1-side) when using the Auto-
matic Document Feeder
• When the original glass is replaced.
• When a new Auto Document Feeder Unit is mounted
NOTE
After the [CIS SUB ZOOM] adjustments have been performed
• Adjust the length of E in the copy of the test pattern so that the following specification is
met.
• 200 ± 0.5 % (Zoom Ratio = Full Size: 100 %)
B. Procedure
• The default setting is 0%.
-2.0% ~ “0%” ~ +2.0%; step: 0.4%
1.
Print the test pattern1.
2.
Enter the [ADJUST] menu in the service mode.
3.
Select [ADF SUB ZOOM], and press the Select key.
4.
Place the test pattern1 on the original glass and make a test copy
5.
Select [TEST COPY] and press the Select key to make a test copy.
NOTE
The test pattern1 should be positioned vertically.
Use A4 or Letter paper loaded into tray1 to make the test copy.
6.
Check that the width of E in the copy of the test pattern1 meets the specification.
Calculation: (1 - Width of E in the document
y
Width of E in the copy)
u
100
If the width of E is out of specification, adjust it according to the following procedure.
7.
Select [ADJUST], and press the Select key.
8.
Using the
S
/
T
key, change the setting value and then press the Select key
9.
Place the test pattern1 on the original glass. Then, make a test copy again and check it.
<Adjustment instructions>
If the width of D in the test pattern is longer than the specified width.. Decrease the setting.
If the width of D in the test pattern is shorter than the specified width.. Increase the setting.
4139F3C549DA
E
d-Color MF2400
Содержание PF-P09
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