OKI Pro 9541dn A3 CMYK + Clear Gloss Printer
The OKI Pro 9541 is a professional A3 CMYK + Clear Gloss LED printer designed for premium label printing, spot gloss stationery, packaging mock-ups, GHS chemical labels, number plates and short-run graphic arts production. It prints on media up to 360 gsm, supports SRA3 and banner output, and runs at 50 ppm with ultra-high capacity CMYK toners yielding up to 51,000 pages. Includes a 3-year on-site warranty.
Available from RGB UK — authorised OKI specialists. Use our OKI AI Print Engineer for setup and media advice.
OKI Pro 9541 — CMYK + Clear Gloss A3 Printer for Premium Print Applications
The OKI Pro 9541 is a professional A3 LED colour printer with a fifth toner channel in clear gloss. It prints in standard CMYK and adds a spot varnish effect using clear toner — delivering premium gloss highlights, tactile print effects and elevated presentation quality without the cost or lead time of offline lamination or UV coating.
The Pro 9541 is designed for graphic arts professionals, creative businesses, marketing teams and in-house print environments that need high-quality, versatile output on demand. RGB UK are authorised OKI specialists, supplying and supporting the Pro 9541 with expert configuration, media profiling and ongoing consumables support.
Technical Specifications
| Print Technology | OKI ProQ Digital LED Electrophotographic (5 colour) |
|---|---|
| Colours | CMYK + Clear Gloss (5 toner channels) |
| Print Resolution | 1200 x 1200 dpi |
| A4 Print Speed | Up to 50 ppm colour and mono |
| A3 Print Speed | Up to 28 ppm colour and mono |
| Time to First Print | Less than 8 seconds |
| Max Media Size | SRA3 (320 x 450 mm) | Banner up to 1.3 m |
| Media Weight (Tray 1) | 52 to 320 gsm |
| Media Weight (Multi-Purpose Tray) | 52 to 360 gsm |
| Standard Paper Tray | 530 sheets |
| Multi-Purpose Tray | 300 sheets |
| Max Paper Capacity | Up to 2,950 sheets with optional feeders |
| Processor | 1.2 GHz |
| RAM | 2 GB |
| Connectivity | USB 2.0 | Gigabit Ethernet |
| Duplex | Automatic two-sided printing |
| OS Compatibility | Windows | macOS | Linux |
| Clear Toner Yield | 20,000 pages |
| CMYK Toner Yield (Black) | 51,000 pages |
| CMYK Toner Yield (CMY) | 42,000 pages each |
| Drum Yield (CMYK + Clear) | 40,000 pages each |
| Recommended Monthly Volume | 25,000 pages |
| Maximum Monthly Volume | 300,000 pages |
| Warranty | 3 Year On-Site Parts and Labour |
| GHS BS5609 Approval | Yes — approved for chemical hazard labelling |
| Dimensions (W x D x H) | 699 x 625 x 640 mm |
What Makes the OKI Pro 9541 Different
The OKI Pro 9541 shares the same print engine, media handling and A3 capability as the Pro 9542, with one key distinction: the fifth toner channel carries clear gloss rather than white. This means the Pro 9541 is optimised for printing on white and light-coloured media, adding a spot varnish layer wherever you want it — over specific graphic elements, logos, text or full backgrounds.
Clear gloss toner creates a noticeable tactile and visual contrast against uncoated matte areas of a print. The effect is similar to spot UV coating on offset printed materials, but produced entirely in one pass, in-house, on demand, with no additional equipment or finishing process required. This gives businesses a premium finishing capability that was previously only available through commercial print runs.
Applications
Premium Label Printing with Spot Gloss
The Pro 9541 is widely used for label printing on white self-adhesive stocks where a spot gloss finish is required. Apply clear toner over product imagery, brand logos or specific panel areas to create a professional premium look. Print short runs on demand, update designs instantly and eliminate the cost of offline lamination or varnishing.
Business Stationery and Marketing Materials
Business cards, letterheads, compliment slips, presentation folders and brochures benefit significantly from spot gloss treatment. The Pro 9541 prints full-colour CMYK with selective clear gloss overlay in a single pass, delivering boardroom-quality stationery and marketing collateral in-house without outsourcing to a commercial printer.
Greetings Cards and Wedding Stationery
Greetings card producers and wedding stationery designers use the Pro 9541 to add luxury finishes to personalised cards, invitations, envelopes and menus. Clear gloss applied to foliage, florals or gold typography creates a premium, tactile result on heavyweight card stocks up to 360 gsm. Print single copies or short runs with no minimum order and no setup cost.
Packaging Prototypes and Mock-Ups
Brand agencies and packaging designers use the Pro 9541 to produce accurate packaging mock-ups with spot gloss finishes. Print carton boards, folding boxes and sleeve proofs with gloss highlights that closely represent the final production specification, enabling client approval without commissioning commercial print samples.
GHS Chemical Hazard Labels
OKI is the only printer manufacturer to warrant an entire label solution to BS5609 for Global Harmonisation System (GHS) chemical hazard labelling under IMDG regulations. The Pro 9541 is independently tested and approved to BS5609 Part 3, making it a compliant solution for businesses required to produce GHS chemical hazard labels in-house on white approved media.
Number Plate Printing
The OKI Pro 9541 is certified to print on reflective registration plate media. No additional software or hardware is required to produce road-legal number plates. The printer handles reflective acrylic substrates directly, making it a practical solution for car dealerships, forecourts and number plate manufacturers looking to bring production in-house.
Point of Sale and Promotional Materials
In-store point of sale materials, shelf edge cards, promotional flyers and display graphics all benefit from the premium presentation that spot gloss delivers. The Pro 9541 enables retail teams and marketing departments to produce high-quality POS materials quickly and cost-effectively without relying on external suppliers or long lead times.
Seed Packets and Horticultural Labels
Garden centres and horticultural producers use the Pro 9541 to print full-colour labels, pot pointers, bed cards and seed packets on white synthetic and paper stocks. The combination of vivid CMYK and spot gloss finish creates eye-catching retail materials that stand out at the point of sale.
Consumables for the OKI Pro 9541
The Pro 9541 uses a five-channel toner set: Black, Cyan, Magenta, Yellow and Clear Gloss. Each channel has a corresponding drum unit. High-capacity toner cartridges deliver exceptional cost-per-page economics — black toner yields 51,000 pages and CMY toner yields 42,000 pages each. The clear gloss toner is rated at 20,000 pages. All drum units are rated at 40,000 pages.
Using genuine OKI consumables is essential for maintaining print quality, protecting the imaging system and retaining the 3-year on-site warranty.
- OKI Pro 9541 Toner Cartridges — full range of CMYK + Clear Gloss toners in stock
- OKI Pro 9541 Drum Units — CMYK and Clear Gloss drums for the Pro 9541
OKI Pro 9541 vs OKI Pro 9542 — Which Should You Choose?
The Pro 9541 and Pro 9542 share the same print engine and media handling. The only difference is the fifth toner channel: the Pro 9541 uses clear gloss, the Pro 9542 uses opaque white. Choose the Pro 9541 if you print primarily on white or light media and want a spot varnish capability. Choose the Pro 9542 if you need to print on dark, coloured or transparent media. For a detailed breakdown, see our OKI Pro 9541 vs OKI Pro 9542 comparison guide.
Frequently Asked Questions
What does clear gloss toner do?
Clear gloss toner is a transparent toner that creates a shiny, varnished finish wherever it is applied on the print. It can be used as a spot coating over specific design elements — a logo, an image, a headline — or applied as a full bleed gloss coating over an entire page. The contrast between the gloss toner and the uncoated matte areas of the print creates a premium tactile effect similar to spot UV finishing.
Can the OKI Pro 9541 print white?
No. The Pro 9541's fifth channel is clear gloss, not white. If you need to print white toner — for example, on dark, coloured or transparent media — the correct model is the OKI Pro 9542.
What media weight can the OKI Pro 9541 handle?
The Pro 9541 handles media from 52 gsm up to 360 gsm through the multi-purpose tray, and up to 320 gsm through the standard input tray, covering a wide range of label stocks, card, synthetics and specialist media.
Is the OKI Pro 9541 approved for GHS chemical labels?
Yes. The Pro 9541 has been independently tested and approved to BS5609 Part 3 for GHS chemical hazard labelling. OKI is the only manufacturer to warrant the complete label solution, provided recommended OKI-approved white label media is used.
Does the Pro 9541 support SRA3?
Yes. The OKI Pro 9541 supports SRA3 (320 x 450 mm) as well as banner lengths up to 1.3 m through the multi-purpose tray.
What warranty does the OKI Pro 9541 include?
The Pro 9541 includes a 3-year on-site parts and labour warranty as standard when purchased from an authorised OKI reseller such as RGB UK.
Why Buy the OKI Pro 9541 from RGB UK
RGB UK are authorised OKI specialists with over 25 years of experience supplying and supporting professional print hardware. When you buy the Pro 9541 from RGB UK you receive expert pre-sale advice on media compatibility and gloss workflow setup, professional installation and configuration, ongoing support, and direct access to genuine OKI consumables at competitive prices.
If you need guidance on any aspect of the Pro 9541, contact our team or use our OKI AI Print Engineer.
Specification
| Printing Technology | Digital 5 LED Full-color Electrophotographic Printing Method |
|---|---|
| Print Resolution | 1200 x 1200 dpi (2 levels) 1200 x 600 dpi (16 levels) 600 x 600 dpi (2 levels) Physical dot pitch: 1200 dpi |
| Warm-up Time | Approx. 50.0 seconds from power-on Approx. 35.0 seconds from power save |
| First Print Out Time | Color: Approx. 8.0 seconds Mono: Approx. 8.0 seconds |
| Print Speed | A4(Landscape) 50 ppm color, 50 ppm mono A3 28 ppm color, 28 ppm mono |
| Interface | 1000BASE-T/100BASE-TX/10BASE-T, USB 2.0 (High Speed) |
| Protocol | TCP/IP, EtherTalk |
| Printer Language | Adobe PostScript 3, PCL 5c emulation, PCL 6 (XL) emulation, XPS emulation, PDF v1.7 emulation, IBM ProPrinter emulation, Epson FX Emulation |
| Supported OS (Click here for latest OS) | Windows 10, Windows 10 x64, Windows 8.1, Windows 8.1 x64, Windows 8, Windows 8 x64, Windows 7, Windows 7 x64, Windows Vista, Windows Vista x64, Windows XP, Windows XP x64, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 R2, Windows Server 2008, Windows Server 2008 x64, OS X 10.10, OS X 10.9, OS X 10.8, OS X 10.7, Mac OS X 10.6, Mac OS X 10.5, Linux |
| Memory (Std./Max.) | 2GB/2GB |
| Hard Disk Drive | (Optional) 160 GB |
| Font | Adobe PostScript 136 fonts, PCL emulation 87 scalable fonts, 4 bitmap fonts |
| Paper Size | SRA3, SRA4, A3+, A3, A4, A5, A6, B5, B4, Tabloid extra (12″ x 18″), Tabloid (11″ x 17″), Legal 13, Legal 13.5, Legal 14, Letter, Executive, Index Card (3″ x 5″) (75 x 125mm), Statement, Envelopes, Postcard, Return postcard, Banner, B6 Half, B4, 8K, 16K, Custom Size: Width 64-330 mm x Length 89-1321 mm |
| Paper Weight | Tray 1 : 52 – 320 gsm (Optional)Additional Tray : 52 – 320 gsm Multi-purpose tray : 52 – 360 gsm |
| Input Capacity | Tray 1 : 530 sheets (Optional)Additional Tray : 530 sheets Multi-purpose tray : 300 sheets |
| Output Capacity | Face Down : Max. 610 sheets Face Up : Max. 300 sheets |
| Dimensions(WxDxH) | 699 x 625 x 640 mm |
| Weight(includes supplies) | Approx. 116.5 kg |
| Weight(not includes supplies) | Approx. 91.0 kg |
| Operating Environment | Operating: 10 – 32 °C, 20 – 80 %RH Storage: 0 – 43 °C, 10 – 90 %RH No condensation |
| Power Source | Single phase 230 VAC ±10%, 50/60 Hz ±2% |
| Power Consumption | Operating: Max. 1,600W / Ave. 1,100W Idle: 40W Power Save: 30.0W Deep Sleep: 4.0W Auto-Off: 0.4W |
| Safety & Environment Regulation | Energy Star, EMC-Directive, CE Mark, GS Mark, CCC Mark, cULus Mark |
| Noise Level | Operating :Approx. 57 dBA Idle: < 34 dBA Power Save: < 30 dBA or Background level |
| Duty Cycle | Recommended: 25,000 pages/month Maximum: 300,000 pages/month |
| In the Box | Manuals, Power cable, DVD-ROM, Starter toner cartridge x 4, Image Drum x 4 |
Space required
- | Space required |


Overview
Exceptional quality
Sharp, crisp documents in CMYK plus a spot colour in white or clear gloss
Media flexibility
Fast printing on an extensive, unrivalled range of graphic arts media
Business boost
Increase margins and grow your business with five-colour printing in CMYK+ white or clear gloss on demand, in house
Lower TCO
High-capacity consumables, competitive price, energy efficient













