

The Citizen CBM-920II is a compact panel-mount impact dot matrix printer designed to be built into machines, kiosks, measuring instruments and vending or ticketing equipment. It prints on 57.5 mm plain-paper rolls (also 2-ply), loads paper automatically and fits a 109 × 62 mm panel cut-out with a depth of just 119 mm. This version, CBM920II24RFDC, prints 24 columns of large, easy-to-read characters at 2.5 lines/s and has a serial RS-232 interface; it runs on 5 V DC from the host equipment and comes with an open-ended interface/power harness and a mounting rack – no power supply is included.
📦 What's in the box – CBM920II24RFDC
- ✅ Citizen CBM-920II printer – 24 columns, serial RS-232, 5 V DC
- ✅ Interface and power harness – 20-pin connector at the printer, open wire ends at the other side – data and 5 V DC power in one cable
- ✅ Mounting rack with brackets – for installation in a 109 × 62 mm panel cut-out
- ✅ Fixing screws (2) – secure the printer in the panel
- ✅ Wire clamp – keeps the harness securely in place
- ✅ Ink ribbon cassette – Citizen IR-91 type, ready to print
- ✅ Paper roll – 57.5 mm plain paper to get you started
- ✅ User's manual – drivers and utilities are a free download from Citizen
- ❌ Power supply (5 V DC) – NOT included – supplied by your machine through the harness
⚠️ Please note: no power supply and no plug-in PC cable. The CBM-920II is a panel printer for integration into machines and kiosks: it runs on 5 V DC (2.5 A, 4 A peak) from your equipment, and the supplied harness has open wire ends that must be wired to your device's serial or parallel interface and 5 V supply by a qualified installer. It cannot be connected directly to a PC or a mains socket.
💡 Useful extras: spare ink ribbons – Citizen IR-91B (black); a spare print mechanism (Citizen MD-910 (MD910SS)).
Key Features
- Built for integration – panel-mount design for a 109 × 62 mm cut-out; the supplied rack, brackets and screws make installation in a front panel quick and secure.
- Automatic paper loading – just insert the end of the paper and the printer feeds it in; a paper-end sensor reports when the roll is empty.
- Serial RS-232 – connects to controllers, PLCs, instruments and embedded PCs with a serial port; input buffer selectable by memory switch (2 KB or 72 bytes).
- Impact printing on plain paper – no thermal paper needed; prints on 57.5 mm plain or 2-ply copy paper, with printouts that resist heat and sunlight.
- Runs on 5 V DC – powered directly by the host machine through the same harness as the data lines; no separate mains adapter needed inside your equipment.
- 24 or 40 columns – large characters (24 columns, 2.5 lines/s) or more text per line (40 columns, 1.8 lines/s); bit-image graphics for simple logos.
- Flexible configuration – memory switches, CBM-920 and iDP3110 emulation, 2 KB input buffer, 14 international character sets and code pages such as PC437, 852, 858, 866 and WPC1252.
- Compact and robust – 115 × 65 mm front, 119 mm deep, approx. 500 g; MCBF up to 1.5 million lines.
Ideal Applications
- Kiosks, vending, parking and ticketing machines
- Measuring, laboratory and medical instruments – test reports and data logs
- Industrial machines, scales and process controllers
- Lottery, gaming and queue-ticket systems
- Fuel dispensers, car washes and self-service terminals
All CBM-920II Versions
The highlighted row is the version you are currently viewing.
| Part Number | Columns | Interfaces | |
|---|---|---|---|
| CBM920II24RFDC (this version) | 24 | RS-232 | Viewing |
| CBM920II40RFDC | 40 | RS-232 | View product |
| CBM920II24PFDC | 24 | Parallel | View product |
| CBM920II40PFDC | 40 | Parallel | View product |
Technical Specifications
| Part Number | CBM920II24RFDC |
|---|---|
| Model | Citizen CBM-920II-24RF (DC 5 V) |
| Printer Type | Panel-mount impact dot matrix printer for integration (OEM / kiosk) |
| Print Method | Serial dot impact, one-way printing |
| Resolution | 144 dots per line (24 columns, MD-910 mechanism) |
| Print Speed | Approx. 2.5 lines/s (24 columns) |
| Paper Width | 57.5 ± 0.5 mm (58 mm rolls) |
| Characters per Line | 24 (character 1.62 × 2.4 mm) |
| Roll Diameter | Less than 50 mm; core 12 mm inner / 18 mm outer diameter |
| Media Type | Plain paper roll (1-ply), or 2-ply copy paper |
| Paper Thickness | Max. 0.09 mm (single sheet) |
| Ink Ribbon | Citizen IR-91 cassette (black) – approx. 200,000 characters |
| Auto-cutter | No – manual tear-off |
| Interfaces | Serial RS-232C – 20-pin Hirose HIF3 connector; harness with open wire ends included |
| Wireless | Not supported |
| Drawer Kick-out | No |
| Emulation / Command Set | CBM-920 / iDP3110 emulation, selectable by memory switch |
| Fonts / Character Sets | Code pages PC437, 852, 857, 858, 860, 863, 864, 865, 866, 869, WPC1252, Katakana; 14 international character sets |
| Barcodes | Not supported (bit-image graphics only) |
| Drivers & Software | Windows driver and utilities – free download from Citizen |
| Data Buffer | 2 KB or 72 bytes (selectable by memory switch) |
| Sensors | Paper end |
| Power Supply | 5 V DC from the host equipment via the harness (no power supply included): logic 5 V ±5%, 0.2 A; mechanism 5 V ±10%, 2.5 A (4 A peak) |
| Power Consumption | Approx. 7 VA printing; approx. 0.5 VA standby |
| Dimensions (W × D × H) | 115 × 119 × 65 mm; panel cut-out 109 × 62 mm |
| Weight | Approx. 500 g (incl. mounting brackets and ribbon cassette) |
| Installation | Panel mount (rack with brackets and screws included); automatic paper loading |
| Operating Temperature | 0 °C to 40 °C, 35–85% RH (non-condensing) |
| Storage Temperature | −20 °C to 60 °C, 10–90% RH (non-condensing) |
| Reliability | MCBF 1.5 million lines (24 columns) |
| Certifications | CE, TÜV, UL, VCCI Class A, FCC Class A |
| Warranty | 24 months |
| In the Box | Citizen CBM-920II panel printer (RS-232, 24 columns, 5 V DC), interface/power harness (20-pin connector, open wire ends), mounting rack with brackets, 2 fixing screws, wire clamp, ink ribbon cassette (IR-91 type), 57.5 mm paper roll, user's manual – power supply (5 V DC) NOT included, harness must be wired to the host equipment |
Which version should you choose? Pick an RS-232 version (CBM920II24RFDC 24 columns, CBM920II40RFDC 40 columns) if your machine has a serial port, or a parallel version (CBM920II24PFDC, CBM920II40PFDC) for an 8-bit Centronics-compatible printer interface. 24 columns give larger characters, 40 columns more text per line. All versions run on 5 V DC from your equipment and include the open-ended interface/power harness, mounting rack, ink ribbon cassette and paper roll. Compare other models in our Dot Matrix Printers collection or contact our team for volume pricing.
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