| Product Program Category |
| Imaging Equipment |
Imaging Equipment |
| Type |
| Printers |
Multifunction Devices (MFD) |
| Brand Name |
| Lexmark |
Lexmark |
| Model Name |
| CS521dn |
XC4140 |
| Model Number |
| CS521dn |
XC4140 |
| UPC |
| 734646633420;734646669658;734646669665 |
734646714716;734646717403 |
| CB Model Identifier |
| ES_20290_9042019000000_0012431 |
ES_20290_9202019000000_0012503 |
| Meets ENERGY STAR Most Efficient 2024 Criteria |
| No |
No |
| ENERGY STAR Partner |
| Lexmark International, Inc. |
Lexmark International, Inc. |
| Product Category |
| Imaging Equipment |
Imaging Equipment |
| Date Available On Market |
| June 18, 2018 |
October 20, 2020 |
| Date Certified |
| September 4, 2019 |
September 20, 2019 |
| Markets |
| United States, Switzerland, Taiwan, Japan, Canada |
United States, Switzerland, Taiwan, Japan, Canada |
| Professional Imaging Product |
| No |
No |
| Page Format Size |
| Standard |
Standard |
| Marking Technology |
| Electro-photographic (EP) |
Electro-photographic (EP) |
| Color Capability |
| Color |
Color |
| Print Speed (ipm or mppm) |
| 35 |
40 |
| Automatic Duplex Output Capable |
| Yes |
Yes |
| Typical Electricity Consumption (TEC) (kWh/wk) |
| 1 |
0.63 |
| Typical Electricity Consumption (TEC) (kWh/yr) |
| 27 |
32.76 |
| Default Delay Time to Sleep (minutes) |
| 15 |
15 |
| Date Qualified |
| September 4, 2019 |
September 20, 2019 |
