Scanner (Orig. Glass) Left Image (Centering Adjustment) - Konica Minolta bizhub PRO 920 Service Manual

Field Service Ver2.0 Aug.2005

10.3.15 Scanner (Orig. glass) left image (centering adjustment)

Adjust the image mis-centering of the main scan direction when scanning from the original glass.
This adjustment changes the laser writing start timing.
Note
• Be sure "10.3.14 Printer left margin (centering adjustment)" has been 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 [Centering Adjustment] key on the sub menu.
4.
"Centering adjustment mode menu screen"
Press the [Scanner (Orig. Glass) Left Image] key and press the [Test Copy] key.
5.
Select A3 or 11 x 17 paper. Press the Start button to output the test pattern (No.16).
6.
Fold the outputted paper in half in the main scan direction and check the amount of centering error.
Standard value: within 0 ± 1.5 mm
7.
When the value is not within the standard value, press the [Adjustment] key.
8.
"Scanner (Orig. Glass) centering adj. screen"
Enter a value through the numeric keys and press the [Set] key.
Setting range: -30 (image in front) to +30 (image to in back) 1 step = 0.1 mm
9. Repeat steps 5 to 8 until the standard value can be obtained.
10. TECH. REP. MODE
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