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Label and receipt printersENERGY STAR certified

Citizen CL-E321EX

1 ppm mono label printer.

Speed

1

pages a minute

Color

Mono

Thermal transfer

Electricity a year

1.3 W

power in sleep; no annual figure certified

Duplex

No

automatic two-sided

At 1 pages a minute, the CL-E321EX is faster than 0 of the 438 label and receipt printers certified, and 390 are faster.

Maker
Citizen
Model
CL-E321EX
ENERGY STAR type
Printers
Marking technology
Thermal transfer
Color
Monochrome
Speed
1 pages a minute
Size format
Small
Automatic duplex
No
Power in sleep
1.30 W
Power in standby
0.12 W
Default delay to sleep
0 min
Professional imaging product
Yes
On the market since
Jul 2020
ENERGY STAR certified
22 Apr 2020

Certified under the same record

The maker lists these as the same machine or a variant of it: CL-E331EX.

Source: ENERGY STAR certified imaging equipment dataset, US EPA, record 2361911, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Other makers

Machines comparable to the CL-E321EX

Certified label and receipt printers from other makers, same color class, within 20% of its speed.

ModelTypeSpeedCertified
Epson LW-PX900Mono, Thermal transfer1 ppmOct 2019
Epson LW-PX800Mono, Thermal transfer1 ppmOct 2019
Epson LW-PX750Mono, Thermal transfer1 ppmOct 2019
Epson LW-PX700Mono, Thermal transfer1 ppmOct 2019
Epson LW-PX400Mono, Thermal transfer1 ppmOct 2019
Epson LW-C610PXMono, Thermal transfer1 ppmJan 2022

Citizen

More Citizen label and receipt printers

ModelTypeSpeedCertified
CL-E300Mono, Direct thermal1 ppmOct 2019
CL-E303Mono, Direct thermal1 ppmOct 2019
CL-E321Mono, Thermal transfer1 ppmOct 2019
CL-E720Mono, Thermal transfer15 ppmOct 2019
CL-E720DTMono, Thermal transfer15 ppmOct 2019
CL-E730Mono, Thermal transfer15 ppmOct 2019
CL-H300SVMono, Direct thermal1 ppmSep 2022
CL-S400DTIIDirect thermal1 ppmFeb 2025

All Citizen label and receipt printers