| 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 |
| CL-E321EX |
CT-S257 |
| Model Number |
| CL-E321EX |
CT-S257 |
| Additional Model Information |
| ,CL-E331EX, |
CT-S751,CT-S751, |
| Date Available On Market |
| July 1, 2020 |
January 31, 2019 |
| Date Certified |
| April 22, 2020 |
October 14, 2019 |
| Markets |
| United States, Japan, Canada |
United States, Switzerland, Japan, Canada |
| CB Model Identifier |
| ES_1037734_CL-E321EX_06192020162940_4180569 |
ES_1037734_CT-S257_09132018091014_9814653 |
| Meets ENERGY STAR Most Efficient 2024 Criteria |
| No |
No |
| Professional Imaging Product |
| Yes |
No |
| Page Format Size |
| Small |
Small |
| Marking Technology |
| Thermal Transfer (TT) |
Direct Thermal (DT) |
| Color Capability |
| Monochrome |
Monochrome |
| Print Speed (ipm or mppm) |
| 1 |
1 |
| Automatic Duplex Output Capable |
| No |
No |
| Power in Sleep (Watts) |
| 1 |
0.68 |
| Power in Off (Watts) |
| 0 |
0.21 |
| Default Delay Time to Sleep (minutes) |
| 0 |
0 |
| Date Qualified |
| April 22, 2020 |
October 14, 2019 |
