

The Citizen CL-S6621XL (1000859) is a compact 6-inch desktop label printer – the smallest 6-inch printer on the market – for thermal-transfer and direct-thermal printing at 203 dpi and up to 150 mm/s (6 ips). It prints up to 168 mm wide on media 50–178 mm wide, takes label rolls up to 8" (200 mm) on the supplied external roll holder and 360 m ribbons wound ink-in or ink-out, speaks Zebra ZPL II and Datamax (incl. W-Class) with automatic Cross-Emulation™ and connects via USB 2.0 and RS-232, with a slot for an optional Ethernet or Wi-Fi card. Built-in power supply; EU mains cord, sample ribbon and test labels are included – the XL kit adds the 8-inch external roll holder for far fewer roll changes.
📦 What's in the box – 1000859
- ✅ Citizen CL-S6621XL label printer – 203 dpi, thermal transfer + direct thermal
- ✅ Power cord – EU plug (Schuko); the power supply is built into the printer; no external adapter
- ✅ Media holder bar + media holder guide – for 5" (127 mm) rolls on 1"–3" cores inside the printer
- ✅ 8-inch external roll holder (2000451) – takes label rolls up to 200 mm (8") outside diameter on 1"–3" cores
- ✅ Ribbon holder + paper core (take-up) – for ribbons up to 360 m on 1" cores, ink side in or out
- ✅ Sample ribbon – a starter ribbon to try thermal-transfer printing
- ✅ Head cleaner – keeps the print head clean for sharp prints
- ✅ Test label media – for checking the set-up; order labels for your application separately
- ✅ Quick-start guide – drivers, SDK, utilities and BarTender label software are a free download (link in the guide)
- ❌ USB or RS-232 cable – NOT included – connect via USB 2.0 (type B) or RS-232; order a cable separately
- ❌ Production ribbons – NOT included – needed for thermal-transfer labels; see the compatible ribbons below
- ❌ Labels – NOT included – choose labels to suit your application (see compatible labels below)
- ❌ Cutter, peeler and network card – NOT included – optional extras; see the accessories below
⚠️ Please note: no USB or serial cable is in the box. To connect the printer to your computer, please order a USB A-to-B cable separately – e.g. the Bixolon USB-KAB-G – or use any standard USB 2.0 A-to-B printer cable.
💡 Useful extras: ribbons, e.g. Citizen 3530170 (resin, 170 mm × 300 m); the auto-cutter Citizen 2000448; the peeler Citizen 2000449; an internal Ethernet card (Citizen PPS00585S) or Wi-Fi card (Citizen PPZ60108S).
Key Features
- 6-inch print width (168 mm) at 203 dpi – thermal transfer and direct thermal at up to 150 mm/s (6 ips)
- Smallest 6-inch label printer on the market: all-metal Hi-Lift™ mechanism in an industrial twin-wall ABS housing with Hi-Open™ vertical opening
- Media 50–178 mm wide and 0.0635–0.254 mm thick: rolls up to 8" (200 mm) on 1"–3" cores on the supplied external holder, 5" (127 mm) rolls inside the printer or fanfold
- 360 m ribbons on 1" cores, 50–174 mm wide, ink side in OR out (switch-selectable) – wax, wax/resin or resin; ARCP™ automatic ribbon tension control
- Transmissive gap / notch, reflective black-mark and paper near-end sensors
- Full Datamax® W-Class / DMX800 support plus Cross-Emulation™ between Zebra® ZPL II® and Datamax® I-Class, CBI™ BASIC and ticketing emulations
- USB 2.0 and RS-232C as standard, plus an internal slot for an optional Ethernet, Wi-Fi or parallel card
- Built-in power supply – no external adapter, and the extra weight adds stability
- Dealer-installable guillotine cutter and peeler; 16 MB Flash / 32 MB SDRAM
Ideal Applications
- Chemical, drum and GHS / CLP labels up to 168 mm wide
- Logistics – A6 / A5 pallet, carton and shipping labels with documents
- Manufacturing and automotive – Odette / VDA and product labels
- Food and retail – wide product, ingredient and back-of-pack labels
- Warehousing – large-format barcode and location labels
All CL-S6621 / CL-S6621XL Versions
The highlighted row is the version you are currently viewing.
| Part Number | Model | Max roll diameter | In the box | |
|---|---|---|---|---|
| 1000836 | CL-S6621 | 127 mm (inside the printer) | Printer + power cord | View product |
| 1000859 (this version) | CL-S6621XL | 200 mm (external holder) | Printer + power cord + 8" external roll holder | Viewing |
Technical Specifications
| Part Number | 1000859 |
|---|---|
| Model | Citizen CL-S6621XL (CL-S6621 with 8-inch external roll holder) |
| Printer Type | 6-inch (wide-format) desktop thermal transfer label printer |
| Print Method | Thermal transfer and direct thermal |
| Resolution | 203 dpi (8 dots/mm) |
| Print Speed | Up to 150 mm/s (6 ips) |
| Max Print Width | 168 mm (6.6") |
| Max Print Length | 812.8 mm (32") |
| Media Width | 50–178 mm (1.97"–7") |
| Media Thickness | 0.0635–0.254 mm |
| Roll Diameter | Up to 200 mm (8") on the supplied external roll holder 2000451; up to 127 mm (5") inside the printer |
| Core Size | 25.4–76 mm (1"–3") |
| Media Types | Rolls and fanfold – die-cut labels, continuous media, tags and tickets; paper and synthetic thermal-transfer media or direct-thermal media |
| Sensors | Transmissive gap / notch sensor, reflective black-mark sensor, label-peeling sensor (for the optional peeler), paper near-end sensor |
| Ribbon | 50–174 mm wide, max. 360 m, max. OD 74 mm, 1" (25.4 mm) core; ink side in or out (switch-selectable); wax, wax/resin or resin; ARCP™ automatic ribbon tension control |
| Interfaces | USB 2.0 full speed, RS-232C serial; internal slot for an optional Ethernet (PPS00585S, IF1-ES04), Wi-Fi (PPZ60108S, IF1-WF5S) or IEEE 1284 parallel card (TZ66802-0) |
| Wireless | None (optional Wi-Fi card PPZ60108S / IF1-WF5S) |
| Memory | 16 MB Flash (4 MB user area), 32 MB SDRAM (4 MB user area) |
| Printer Languages | Full Datamax® W-Class / DMX800, Cross-Emulation™ (automatic Zebra® ZPL II® / Datamax® I-Class & DMX400 switching), CBI™ BASIC interpreter, ticketing emulations |
| Display | No LCD – 4 buttons and 4 status LEDs |
| Media Options | Tear-off as standard; optional dealer-installable guillotine cutter (2000448) and peeler (2000449) |
| Drivers & Software | Windows driver, SDK, utilities and BarTender label software – free download |
| Power Supply | Built-in power supply: 220–240 V AC, 50/60 Hz |
| Dimensions (W × D × H) | 530 × 290 × 273 mm (with external roll holder) |
| Weight | Approx. 8.9 kg |
| Color | Black |
| Operating Temperature | 0–40 °C, 30–80% RH (non-condensing) |
| Warranty | Printer 2 years; print head 6 months or 50 km |
| In the Box | Citizen CL-S6621XL printer (203 dpi, thermal transfer + direct thermal, built-in power supply), 8-inch external roll holder 2000451 (rolls up to 200 mm OD), power cord (EU plug), media holder bar + media holder guide, ribbon holder, paper core (ribbon take-up), sample ribbon, head cleaner, test label media, quick-start guide; drivers, SDK, utilities and BarTender as free download – USB / RS-232 interface cable, production ribbons and labels NOT included |
Printing standard 4-inch labels? See the Citizen CL-S621II (thermal transfer + direct thermal) or the direct-thermal Citizen CL-S521II. Both CL-S6621 versions are listed above – compare other models in our Desktop Label Printers collection or contact our team for volume pricing.
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