Lexmark copier, ENERGY STAR certified
Lexmark CX951se
35 ppm color copier.
Speed
35
pages a minute
Color
Color
Laser / LED
Electricity a year
$3.65
28.1 kWh at 13¢/kWh
Duplex
Yes
automatic two-sided
At 35 pages a minute, the CX951se is faster than 455 of the 1,109 copiers and MFPs certified, and 580 are faster.
Its certified typical electricity use of 28.1 kWh a year is 35% above the median of 124 color copiers and MFPs within 20% of its speed (20.8 kWh). Electricity is a small part of what a copier costs to run; toner or ink per page is usually the larger one.
- Maker
- Lexmark
- Model
- CX951se
- ENERGY STAR type
- Multifunction Devices (MFD)
- Marking technology
- Laser / LED
- Color
- Color
- Speed
- 35 pages a minute
- Size format
- Standard
- Automatic duplex
- Yes
- Typical electricity use
- 28.1 kWh a year (TEC method)
- Default delay to sleep
- 15 min
- On the market since
- Feb 2026
- ENERGY STAR certified
- 11 Nov 2024
Certified under the same record
The maker lists these as the same machine or a variant of it: CX951g, Same as tested model without wireless, CX951tg, Same as tested model with stacked input option trays as standard, but without wireless, CX951tse, XC9535, Same as tested model, but sold in BSD market.
Source: ENERGY STAR certified imaging equipment dataset, US EPA, record 3798811, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the CX951se
Certified copiers and MFPs from other makers, same color class, within 20% of its speed.
| Model | Type | Speed | kWh / yr | Certified |
|---|---|---|---|---|
| Konica Minolta bizhub C3320i | Color · Laser / LED | 35 ppm | 19 | Apr 2019 |
| Konica Minolta bizhub C3350i | Color · Laser / LED | 35 ppm | 19 | Feb 2019 |
| Konica Minolta bizhub C3351 | Color · Laser / LED | 35 ppm | 30 | Oct 2016 |
| Ricoh IM C3500G | Color · Laser / LED | 35 ppm | 20 | Sep 2018 |
| Xerox C8135 | Color · Laser / LED | 35 ppm | 23 | Nov 2019 |
| Brother MFC-J4335DW | Color · Inkjet | 35 ppm | - | Oct 2020 |
Lexmark
More Lexmark copiers and MFPs
| Model | Type | Speed | kWh / yr | Certified |
|---|---|---|---|---|
| CX331adwe | Color · Laser / LED | 26 ppm | 17 | May 2019 |
| CX431adw | Color · Laser / LED | 26 ppm | 19 | Dec 2019 |
| CX532adwe | Color · Laser / LED | 35 ppm | 27 | Dec 2022 |
| CX625adhe | Color · Laser / LED | 40 ppm | 32 | Sep 2019 |
| CX635adwe | Color · Laser / LED | 42 ppm | 30 | Dec 2022 |
| CX725dhe | Color · Laser / LED | 50 ppm | 38 | Sep 2019 |
| CX730de | Color · Laser / LED | 42 ppm | 28 | Dec 2021 |
| CX735adse | Color · Laser / LED | 52 ppm | 36 | Dec 2021 |