Free 2-Day Shipping with code: FREESHIPNOV through 11/15* Shop Now!
*Free 2-Day Shipping is available at through November 15, 2019 at 11:59 pm CST. To apply promo code: first, enter zip code to estimate shipping. Then, enter promo code to apply discount. Offer may be redeemed via phone (but valid only on web pricing). This offer cannot be combined with other promotions or discounts. Offer cannot be applied to existing quotes. One time use only. Offer valid in the US only. This offer is not valid on international orders. Product exclusions apply on all printing supplies and cash drawers.

You've just added this product to the cart:

Continue Shopping

Citizen CL-S6621UGPP Barcode Printer

Citizen CL-S6621 - Thermal transfer printing, 203 dpi, 6.6" print width, USB, Serial, Parallel Interfaces, Peeler, and US Power cord. Cables sold separately.
All-metal mechanisms for strength and durability

The unique 6-inch CL-S6621 label printer sets a new standard for desktop machines. Smaller and more efficient than any other comparable printer, the CL-S6621 offers automatic Cross-Emulation, for easy integration and compatibility, and features our advanced Hi"'Lift Mechanism. The CL-S6621 delivers precision printing with fast media loading and ease of use, making it the perfect solution for tough, reliable and high volume label printing.

Technical Information

  • Maximum Mono Print Speed: 6 in/s
  • Peel Facility: Yes
  • Maximum Print Resolution: 203 dpi
  • Print Color: Monochrome
  • Maximum Print Width: 6.60"
  • Recommended Use: Label Print
  • Features:
    • Tear Bar
    • Peel Facility

General Information

  • Product Type: Direct Thermal/Thermal Transfer Printer
  • Product Series: CL
  • Brand Name: Citizen
  • Manufacturer: Citizen Micro HumanTech
  • Product Model: CL-S6621
  • Product Name: CL-S6621 Label Printer

Physical Characteristics

  • Height: 10.7"
  • Width: 11.9"
  • Depth: 11.4"
  • Form Factor: Desktop
  • Weight (Approximate): 17.42 lb


  • USB: Yes
  • Serial Port: Yes
  • Parallel Port: Yes

Media Types & Handling

  • Maximum Label Width: 7.01"
  • Maximum Label Length: 32"
  • Media Type:
    • Label
    • Gap
    • Card
    • Notch
    • Black Mark
    • Tag
    • Perforated Label
    • Ticket
  • Media Thickness: 10 mil
  • Media Sensor:
    • Adjustable Media Sensor
    • Transmissive Media Sensor
    • Reflective Media Sensor
    • Paper Low Sensor
  • Label Core Size: 3"
  • Ribbon Core Size: 1"
  • Maximum Roll Diameter: 5"


  • Green Compliant: Yes
  • Green Compliance Certificate/Authority:
    • RoHS
  • Platform Supported: PC
  • Package Contents:
    • CL-S6621 Label Printer
    • Software & Drivers CD
    • CL-S6621 Label Printer
    • Software & Drivers CD


  • Standard Memory: 32 MB
  • Flash Memory: 8 MB


  • Limited Warranty: 2 Year

Fonts & Emulation

  • Language Emulation: ZPL II

Full specifications (PDF)

Full specifications (PDF)

Brand Citizen
Model CL-S6621
Print Method Direct Thermal, Thermal Transfer
Included Features Peeler
Print Resolution 203 dpi
Print Speed 6
Max Roll Outer Diameter 5
Interface Options Serial, Parallel, USB
Printer Type Desktop
Label Core 1 inch
Max Label Width 7.00
Printer Mobility Not Mobile
Ribbon Core 1
Recommended Labels for Model: Citizen CL-S6621 Printer
Recommended Ribbons for Model: Citizen CL-S6621 Printer
Recommended Printheads for Model: Citizen CL-S6621 Printer
Citizen Printheads (PPM80005-00)
Ships in 3-5 Days
+ Add to Quote

The Citizen CL-S6621UGPP is also known as Citizen America CL-S6621UGPP or CLS6621UGPP .