| ENERGY STAR Partner |
| Citizen Systems Japan Co., LTD. |
Citizen Systems Japan Co., LTD. |
| Product Category |
| Imaging Equipment |
Imaging Equipment |
| Type |
| Printers |
Printers |
| Brand Name |
| CITIZEN |
CITIZEN |
| Model Name |
| CT-S651 |
CL-S6621 |
| Model Number |
| CT-S651 |
CL-S6621 |
| Date Available On Market |
| April 1, 2011 |
December 1, 2012 |
| Date Certified |
| February 27, 2023 |
October 14, 2019 |
| Markets |
| United States, Switzerland, Japan, Canada |
United States, Canada |
| CB Model Identifier |
| ES_1037734_CT-S651_10302019142004_5204213 |
ES_1037734_CL-S6621_10142019181026_6626834 |
| Meets ENERGY STAR Most Efficient 2024 Criteria |
| No |
No |
| Professional Imaging Product |
| No |
No |
| Remanufactured Product |
| No |
N/A |
| Page Format Size |
| Small |
Small |
| Marking Technology |
| Direct Thermal (DT) |
Thermal Transfer (TT) |
| Print Speed (ipm or mppm) |
| 1 |
15 |
| Automatic Duplex Output Capable |
| No |
No |
| Power in Sleep (Watts) |
| 3 |
2.29 |
| Power in Off (Watts) |
| 0 |
0.01 |
| Default Delay Time to Sleep (minutes) |
| 0 |
0 |
| Date Qualified |
| February 27, 2023 |
October 14, 2019 |
