Trimming Adjustment: Adjusting the Trimming Width
Adjust the trimming width determined by Saddle Stitcher SD-506. The trimming width should be more than 2.0 mm, otherwise the trimming operation may not performed properly.
Objects of Adjustment: Offset for All Size, SRA3 
, A3 , B4 , SRA4 , A4 , B5 , 12 
18 , 11 17 , 8.5 14 , 8.5 11 , 8.125 13.25 , 8.5 13 , 8.25 13 , 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 [Trimming Adjustment] 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Without the saddle stitcher tray withdrawn, the machine does not start printing even if Start on the control panel is pressed.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 trim (a) of the printed paper.
Allowance: a = 2 mm or more
If any adjustment is required, press [Exit PrintMode] to return to the [Trimming 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: -400 ([To narrow]) to +400 ([To widen]) (1 step = 0.1 mm)
Enter the value so that the cover paper should be cut by 2.0 mm or more. If the trimming width is less than 2.0 mm, the trimming operation may not be performed properly.
Repeat steps 4 to 9 until the desired result is obtained.
Press [Return].
The screen returns to the [Saddle Stitcher Pos. Adj. Menu] screen.