Half-Fold Position Adj.: Adjusting the Half-Folded Position
Adjust the folded position in Half-Fold mode determined by Saddle Stitcher SD-506.
Objects of Adjustment: Offset for All Size, SRA3 
, A3 , B4 , SRA4 , A4 , B5 , 12 
18 , 11 17 , 8.5 14 , 8.5 11 , 8 13 , 8K , 16K , Custom (380 - 463 mm), Custom (257 - 379 mm)
If a numeric value is specified for [Offset for All Size], it is applied to all paper sizes. With a specific paper size selected,the set value becomes the sum of the entered value and the value previously specified for [Offset for All Size].
Press [Adjustment] on the [MACHINE] screen to display the [Adjustment Menu] screen.
Press [Finisher Adjustment], [Saddle Stitcher Adjustment], and [Half-Fold Position Adj.] in sequence.
Select the size to be adjusted using [
] or [
]. 
Press [Print Mode].
Load the paper with the size to be adjusted, then select that tray.
Press Start on the control panel.
A sample pattern will be output.
Without the saddle stitcher tray withdrawn, the machine does not start printing even if Start on the control panel is pressed. Be sure to withdraw the saddle stitcher tray.
Check the misalignment (a) of the edges of printed paper.
Allowance: a = 1.5 mm or less
If any adjustment is required, press [Exit PrintMode] to return to the [Half-Fold Position Adjustment] screen.
Use the touch panel keypad to enter the set value.
Use [+/-] to specify the value to be positive or negative.
Press [Set] to change the Current Value.
Adjustment Range: -50 ([To shorten the top face]) to +50 ([To lengthen the top face]) (1 step = 0.1 mm)
Repeat steps 4 to 9 until the desired result is obtained.
Press [Return].
The screen returns to the [Saddle Stitcher Adjustment Menu] screen.