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| Specification | BrotherMFC-J6940DW | BrotherMFC-J4355DW |
|---|---|---|
| Automatic duplex output | YesSource | YesSource |
| Color capability | ColorSource | ColorSource |
| Declared print speed | 35 ipm or mppmSource | 20 ipm or mppmSource |
| Default sleep delay | 3 minSource | 1 minSource |
| ENERGY STAR partner | Brother Industries, Ltd.Source | Brother Industries, Ltd.Source |
| Marking technology | Ink Jet (IJ)Source | Ink Jet (IJ)Source |
| Off-mode power | 0.01 WSource | 0.05 WSource |
| Page format class | StandardSource | StandardSource |
| Product type | Multifunction Devices (MFD)Source | Multifunction Devices (MFD)Source |
| Sleep-mode power | 1.02 WSource | 1.26 WSource |