| Product Program Category |
| Imaging Equipment |
Imaging Equipment |
| Type |
| Multifunction Devices (MFD) |
Multifunction Devices (MFD) |
| Brand Name |
| Lexmark |
Lexmark |
| Model Name |
| MB2442adwe |
MX431adn |
| Model Number |
| MB2442adwe |
MX431adn |
| UPC |
| 734646636070;734646640350;734646655767;734646661638;734646661645 |
734646695688;734646718271;734646718288;734646720595;734646723794 |
| CB Model Identifier |
| ES_20290_9042019000000_0012427 |
ES_20290_4302020000000_0012645 |
| Meets ENERGY STAR Most Efficient 2024 Criteria |
| No |
No |
| ENERGY STAR Partner |
| Lexmark International, Inc. |
Lexmark International, Inc. |
| Product Category |
| Imaging Equipment |
Imaging Equipment |
| Additional Model Information |
| MX421ade,MX421ade,Same as tested model, but without wireless; XM1242,XM1242,Same as tested model, but without fax and wireless, sold into the BSD market |
MX431dn,MX431dn,Same as tested model, but without fax |
| Date Available On Market |
| June 18, 2018 |
April 20, 2020 |
| Date Certified |
| September 4, 2019 |
October 7, 2019 |
| Markets |
| United States, Switzerland, Taiwan, Canada |
United States, Switzerland, Taiwan, Canada |
| Professional Imaging Product |
| No |
No |
| Page Format Size |
| Standard |
Standard |
| Marking Technology |
| Electro-photographic (EP) |
Electro-photographic (EP) |
| Color Capability |
| Monochrome |
Monochrome |
| Print Speed (ipm or mppm) |
| 42 |
42 |
| Automatic Duplex Output Capable |
| Yes |
Yes |
| Typical Electricity Consumption (TEC) (kWh/wk) |
| 1 |
0.46 |
| Typical Electricity Consumption (TEC) (kWh/yr) |
| 27 |
23.92 |
| Default Delay Time to Sleep (minutes) |
| 15 |
15 |
| Date Qualified |
| September 4, 2019 |
October 7, 2019 |
