Konica Minolta BIZHUB PRO 1050 Operator's Manual page 385

Adjustment
7
If the desired result cannot be obtained, touch the [ADJUSTMENT] tab
to return to the Adjustment Screen.
8
Use the touch panel keypad to enter an appropriate value, then touch
[Set].
Available range: -30 (short) to +30 (long), 1 step = 0.1 mm.
9
Repeat steps 3 to 8 until the desired result is obtained.
10
Touch [Return] to restore the Timing Adjustment Menu Screen.
bizhub PRO 1050
13
13-15