Adf Sub Regist - Konica Minolta magicolor 2490MF Service Manual

Field Service Ver. 1.0 Jul. 2006
5.2.3

ADF SUB REGIST

• To adjust for variations in the accuracy of all parts and their mounting accuracy by
Function varying the scanning start position in the sub-scanning direction when using the Auto-
matic Document Feeder.
• When the original glass is replaced.
• When a new Auto Document Feeder Unit is mounted
NOTE
Use
• After the [PRN MAIN REGIST] and [PRN SUB REGIST] and [CCD SUB ZOOM]
adjustments have been performed
• After the [ADF SUB ZOOM] adjustments have been performed
• Adjust the width of C in the copy of the test pattern1 so that the following specification
is met.
• 20 ± 2.5 mm
Adjustment
Specification
Adjustment • -5.0 (-5.0 mm) ~ "0 (0 mm)" ~ +5.0 (+5.0 mm)
Range • Step: 0.5 mm
1. Print the test pattern1.
See P.130 of the main unit service manual.
2. Enter the [2. ADJUST] menu in the service mode.
3. Select [ADF SUB REGIST] of [2. ADJUST] and press the Menu Select key.
4. Place the test pattern1 into the Automatic Document Feeder and make a test copy.
NOTE
• The test pattern1 should be positioned vertically.
Setting/
• Use A4 or Letter paper loaded into tray1 to make the test copy.
Procedure
5. Check that the width of C in the copy of the test pattern are shifted.
If the width of C is out of specification, adjust it according to the following procedure.
6. Press the Menu Select key.
7. Using the
8. Place the test pattern1 into the Automatic Document Feeder. Then, make a test copy
again and check it.
• If the width of C in the test pattern is longer than the specified width
Adjustment ..... Increase the setting.
Instructions • If the width of C in the test pattern is shorter than the specified width
..... Decrease the setting.
C
/ key, change the setting value and then press the Menu Select key.
5. SERVICE MODE
4139F3C547DA
15