Label and receipt printersENERGY STAR certified
Citizen CL-S6621
15 ppm label printer.
Speed
15
pages a minute
Color
-
Thermal transfer
Electricity a year
2.3 W
power in sleep; no annual figure certified
Duplex
No
automatic two-sided
At 15 pages a minute, the CL-S6621 is faster than 149 of the 438 label and receipt printers certified, and 253 are faster.
- Maker
- Citizen
- Model
- CL-S6621
- ENERGY STAR type
- Printers
- Marking technology
- Thermal transfer
- Speed
- 15 pages a minute
- Size format
- Small
- Automatic duplex
- No
- Power in sleep
- 2.29 W
- Power in standby
- 0.01 W
- Default delay to sleep
- 0 min
- On the market since
- Dec 2012
- ENERGY STAR certified
- 14 Oct 2019
Source: ENERGY STAR certified imaging equipment dataset, US EPA, record 2348413, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the CL-S6621
Certified label and receipt printers from other makers, same color class, within 20% of its speed.
| Model | Type | Speed | Certified |
|---|---|---|---|
| Bixolon SRP-383 | Direct thermal | 15 ppm | Aug 2019 |
| SEWOO LK-TL100EB | Direct thermal | 15 ppm | Oct 2019 |
| SEWOO LK-T21EB | Direct thermal | 15 ppm | Oct 2019 |
| SEWOO LK-TE12 | Direct thermal | 15 ppm | Oct 2019 |
| Bixolon XL5-40CT | Direct thermal | 15 ppm | Nov 2019 |
| Bixolon XD5-40tR | Direct thermal | 15 ppm | Nov 2020 |
Citizen
More Citizen label and receipt printers
| Model | Type | Speed | Certified |
|---|---|---|---|
| CL-E300 | Mono, Direct thermal | 1 ppm | Oct 2019 |
| CL-E303 | Mono, Direct thermal | 1 ppm | Oct 2019 |
| CL-E321 | Mono, Thermal transfer | 1 ppm | Oct 2019 |
| CL-E321EX | Mono, Thermal transfer | 1 ppm | Apr 2020 |
| CL-E720 | Mono, Thermal transfer | 15 ppm | Oct 2019 |
| CL-E720DT | Mono, Thermal transfer | 15 ppm | Oct 2019 |
| CL-E730 | Mono, Thermal transfer | 15 ppm | Oct 2019 |
| CL-H300SV | Mono, Direct thermal | 1 ppm | Sep 2022 |