Ricoh Aficio SP C811DN Hardware Manual page 104

5. Paper and Other Media
1. Press the [Menu] key.
2. Press the [ ] or [ ] key to select [Paper Input], and then press the [OK] key.
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3. Press the [ ] or [ ] key to select [Paper Size: Tray 2], and then press the [OK] key.
4. Select [Custom Size] using the scroll keys, and then press the [OK] key.
5. Press the [ ] or [ ] key to enter the horizontal value, and then press the [OK] key.
If you press and hold the key, the value increases/decreases by 1 or 10 mm.
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