Ricoh 220-240 V Operating Instructions Manual page 145

Pressing the [ ] or [ ] key makes the value increase or decrease by 1.0 mm steps.
10. Press the [ Enter] key.
The display returns to the print area [Adjustment] menu.
11. Print the test sheet to confirm the adjustment result.
12. Press the [Online] key.
The initial screen appears.
Adjusting Tray Registration
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