Description
CJ 4008 Solvent Printer | 3.2m Seiko Wide Format Printer
The CJ 4008 is a 3.2-metre roll-to-roll solvent printer built around genuine Seiko SPT508 12pl GS printheads. It is available in two configurations — 4-head for standard output (up to 1,300 Sqft/hr) and 8-head for double speed (up to 2,600 Sqft/hr). Same frame, same heating system, same build quality, different throughput. As a wide format printer and large format printer, it handles banner printing, poster printing, sticker printing, vinyl stickers, and large format printing on PVC flex, vinyl, PP paper, and backlit film.
This is a true solvent machine — not eco-solvent. The ink bonds deep into PVC and vinyl substrates, producing outdoor banners and exterior signage that lasts 2–5 years unlaminated without fading or peeling. The trade-off is that solvent ink produces fumes and requires ventilated workspace, which is why it suits established shops running high-volume outdoor output rather than home-based start-ups. For commercial printers, sign factories, and print on demand operations that need durable outdoor output at low ink cost per square metre, the CJ 4008 is practical digital printing equipment that prioritizes reliability over premium features.
Choose Your Speed: 4-Head or 8-Head
Both configurations share the same Seiko SPT508 printheads, 3.2m width, and 3-stage heating system. The 4-head CJ 4008 delivers 1,300 Sqft/hr — sufficient for most sign shops. The 8-head doubles output to 2,600 Sqft/hr for operations running continuous banner printing and large format printing shifts. Same machine, same quality, different throughput — pick the version that matches your current workload.
This solvent printer does not print on rigid substrates. It does not support White ink, Varnish, UV curing, or eco-solvent ink. It does not produce instant-dry output — prints require pass-through heating and cooling before cutting. What it does is produce durable, low-cost-per-square-metre output on flexible roll media at volumes that justify a 3.2m flex printing machine. If your revenue comes from outdoor banners, vinyl graphics, and large poster printing on PVC flex, the CJ 4008 is a straightforward workhorse printer for vinyl and digital inkjet printer built for daily production.
Key Features of the CJ 4008 Solvent Printer
Seiko SPT508 12pl GS Printheads: Industrial-grade solvent-rated heads with stable drop placement and consistent color density. Designed for continuous operation with aggressive solvent inks that degrade eco-solvent heads over time.
4-Head (1,300 Sqft/hr) or 8-Head (2,600 Sqft/hr): Same frame and components in both configurations. The 8-head doubles throughput by running two parallel printhead rows — upgrade path without changing your machine footprint.
3.2m Print Width: 3220mm covers standard banner and vinyl roll widths without seaming. For large format printing operations producing outdoor banners and large poster printing at full roll size, this width handles the majority of standard jobs.
3-Stage Heating & Drying System: Pre-heating, middle heating, and front heating combined with drying fans and IR heaters. Solvent ink requires more heat to evaporate than eco-solvent — this system is designed for that requirement.
Auto Ink Supply with Failure Detection: Monitors ink levels across all channels and alerts on anomalies. Reduces the risk of running a head dry during long unattended print on demand production runs.
Adjustable Carriage Height (2mm–5mm): Set printhead distance to match media thickness — thin backlit film at one end, thick banner material at the other. No manual shimming between job types.
How Solvent Roll-to-Roll Printing Works
True solvent printing relies on aggressive ink that penetrates deep into PVC and vinyl. The CJ 4008's 3-stage heating system evaporates the solvent carriers to lock the pigment in place.
Pre-Heat & Feed
Load a PVC flex or vinyl roll (up to 3280mm) onto the feed spindle. The pre-heater warms the media surface to improve ink adhesion. Infrared media detector tracks the leading edge for accurate feed alignment.
Print & Dry
Seiko SPT508 heads deposit solvent ink across the 3.2m width. Middle and front heaters plus IR lamps and drying fans evaporate the solvent carriers as the media passes through the drying section.
Cool & Finish
Dried output winds onto the take-up reel. Solvent prints need brief cooling before cutting to prevent ink transfer. Feed to a plotter for vinyl stickers or trim outdoor banners to size.
True Solvent vs Eco Solvent vs UV: Cost vs Durability
True solvent ink costs less per ml than eco-solvent or UV. For high-volume banner printing, the per-square-metre savings add up significantly over time.
Solvent ink penetrates PVC and vinyl at a molecular level. Outdoor banners last 2–5 years unlaminated — longer than eco-solvent without the UV ink premium.
8-head configuration reaches 2,600 Sqft/hr — faster than most eco-solvent and many UV large format printers at this width class.
The trade-off. Solvent fumes require ventilated workspace — this solvent printer is not suited for home studios or shared retail spaces.
Specifications
Technical specifications of the CJ 4008 solvent printer and wide format printer in 4-head and 8-head configurations.
Applications
The CJ 4008 is built for high-volume outdoor flexible media production. Pair it with a cutting plotter and laminator for a complete large format printing production line.
Outdoor Banners & Flex
High-volume banner printing on PVC flex for shop fronts, construction sites, events, and outdoor banners. 3.2m width covers standard roll sizes at full bleed.
• Construction hoarding
• Event signage
Vehicle Wraps & Fleet Graphics
Print vinyl panels for vehicle wraps and fleet branding. Solvent ink bonds aggressively to cast vinyl for long-term exterior durability on commercial vehicles.
• Fleet branding
• Partial wraps
Vinyl Stickers & Decals
Sticker printing and vinyl stickers on self-adhesive vinyl. Feed to a cutting plotter for contour-cut decals, floor graphics, and window printer for vinyl output.
• Floor graphics
• Window decals
Large Poster Printing
Large poster printing and poster printing on PP paper and photo paper for retail displays, trade show graphics, and exhibition backdrops at 3.2m width.
• Retail displays
• Exhibition backdrops
Backlit & Lightbox Graphics
Print on backlit film for lightbox signage. The adjustable carriage height (2mm–5mm) accommodates thin backlit media without damaging the surface.
• Backlit film
• Menu boards
Sign Boards & Retail Branding
Outdoor sign boards, retail exterior graphics, and point-of-sale branding. The core flex printing machine output that keeps local banner printing near me customers coming back.
• Retail branding
• POS displays
Frequently Asked Questions
Common questions about the CJ 4008 solvent printer, 4-head vs 8-head choice, and how it compares to eco-solvent and UV alternatives.
Additional Information
Brand
KINGJET
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