Thermal Label Guide
Citizen · Desktop

Citizen CL-S631II

Citizen CL-S631II is listed in the CL-S family as a desktop model for desktop and work-cell label printing. Treat the fields below as a comparison starting point; options can differ by region, suffix and configuration.

Citizen CL-S631II label printer product view
Citizen CL-S631IICL-S series

Catalog overview

Brand
Citizen
Model
CL-S631II
Family
CL-S
Printer class
Desktop
Width class
4- or 6-inch
Print method
Direct thermal / thermal transfer
Resolution options
203 / 300 dpi
Record status
Reviewed catalog overview

Where the CL-S631II fits

The CL-S631II sits in Citizen's CL-S family and is grouped here as a desktop, 4- or 6-inch label printer. The family includes direct-thermal and thermal-transfer configurations, so the complete suffix or part number must be checked before ordering.

Cataloged resolution options are 203 / 300 dpi. A specific orderable unit may support only one of those values, and label templates expressed in dots must match the installed printhead. Use this page to build a shortlist, then compare the exact regional specification, interfaces, options and supported supplies with the manufacturer before purchase.

Source and review status

This catalog record was reviewed in July 2026 against the current Citizen printer catalog. Product names can remain online after a configuration changes or is discontinued, so verify availability and the complete part number on the official Citizen printer page.

What to verify before buying

  • Exact print width, minimum label size and media sensing options
  • Resolution and print method of the specific orderable configuration
  • USB, Ethernet, Wi-Fi, Bluetooth and serial interface availability
  • Printer language and compatibility with your label, WMS, ERP or carrier software
  • Ribbon dimensions, media roll capacity and approved supplies
  • Peeler, cutter, rewinder, linerless or RFID options where required
  • Local support, warranty, spare parts and current regional availability