Top Image (Adf) (Timing Adjustment) - Konica Minolta bizhub PRO 920 Service Manual

10. TECH. REP. MODE

10.3.12 Top image (ADF) (timing adjustment)

Adjust image leading edge timing of original scanning from the DF.
In this adjustment, the starting position for reading while in the DF scanning mode is adjusted.
A. Procedure
1.
Enter the Tech. Rep. mode.
2.
"Tech. Rep. mode menu screen"
Press the [Machine Adjust] key.
3.
A sub menu appears on the right side of the screen.
Press the [Timing Adjustment] key on the sub menu.
4. "Timing adjustment mode menu screen"
Press the [Top Image (ADF)] key.
5.
"ADF restart timing adj. screen"
Press the [Next] or the [Back] key to select the side of original you adjust, and press the [Test Copy] key.
The side of original changes as follows:
Side1 → Side2
6.
Select A3 or 11 x 17 paper, and set the "adjustment chart" on the DF. Press the Start button.
7.
Check the leading edge timing.
Standard value: 0 ± 2 mm
8.
When the value is not within the standard value, press the [Adjustment] key.
9.
"ADF restart timing adj. screen"
Enter a value through the numeric keys and press the [Set] key.
Setting range: -50 (image faster) to +50 (image slower) 1 step = 0.1 mm
10.
Repeat steps 5 to 9 until the standard value can be obtained.
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Field Service Ver2.0 Aug.2005