Sindoh M611 - Manual (Page 155)

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Settings and Changes of Each Function
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4 Press 【▲】 or 【▼】 until [Firmware Update] appears, and then press 【OK】
5 [Network is available?] message is displayed on the LCD screen.
6 To update the firmware, press 【 ◀】 or 【 ▶】 to select [Yes] and press 【 OK】.
7 If you do not want to update the firmware, press 【◀】 or 【▶】 to select [No], and the press 【OK】
Check RollerMark
In order for your scan/copy/Fax jobs you can place a small original on the flatbed and a roller located un-
der the bottom of ADF can be exposed to the flatbed scanner. In this case, you can avoid any roller mark
image from the exposed roller by selecting `Yes` in the setting [Check RollerMark], but the roller mark can
be scanned together if set `No`.