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| Specification | Source TechnologiesST9920 | Source TechnologiesST9820 |
|---|---|---|
| Automatic duplex output | YesSource | YesSource |
| Color capability | MonochromeSource | MonochromeSource |
| Declared print speed | 50 ipm or mppmSource | 50 ipm or mppmSource |
| Default sleep delay | 15 minSource | 15 minSource |
| ENERGY STAR partner | Source Technologies, LLCSource | Source Technologies, LLCSource |
| Imaging typical annual electricity consumption | 33.28 kWh/yearSource | 32.24 kWh/yearSource |
| Marking technology | Electro-photographic (EP)Source | Electro-photographic (EP)Source |
| Page format class | StandardSource | StandardSource |
| Product type | PrintersSource | PrintersSource |
| Typical electricity consumption | 0.64 kWh/weekSource | 0.62 kWh/weekSource |