Graficomp · HP Amplify Commercial Specialist ·
Johannesburg · Cape Town · Durban |
011 792 1348
HP Amplify Commercial Specialist · Large Format Design Solutions|HP Amplify Commercial Specialist · Large Format Production & Textile Solutions|HP Amplify Synergy Commercial Partner
Configuration
Both configurations share the same chassis, ink chemistry, speeds, and support package.
The 830W adds a dedicated white ink channel, printhead rotation chamber, and ARS.
HP Latex 830W Printer
The HP Latex 830 is a 64-inch (1,625 mm) roll-to-roll large format printer
built for high-volume production signage, retail display rollouts, vehicle graphics, and
soft-signage. It produces up to 36 m²/hr (388 ft²/hr) in 4-pass draft mode and 20 m²/hr
(215 ft²/hr) in standard 8-pass mode using water-based HP 873 Latex inks in 3-litre
cartridges — three times the ink volume of the 730, dramatically reducing mid-run
changeovers. The 830 includes an HP Embedded Spectrophotometer, OMAS Plus panel feed
accuracy, and HP Pixel Control for uniform colour distribution. Prints exit dry and
ready for immediate lamination. Sold and serviced in South Africa by Graficomp, an HP
Amplify Commercial Specialist and certified HP ASDP service partner.
The HP Latex 830W is the white ink configuration of the HP Latex 830 —
same 64-inch chassis, same 36 m²/hr draft speed, same HP 873 Latex inks (3L), same
spectrophotometer and OMAS Plus capability — with the addition of a dedicated white
ink channel. The 830W enables printing on clear, metallic, dark, and backlit substrates
using five white print modes (Spot, Underflood, Overflood, 3-Layer, 5-Layer). An
Automatic Recirculation System (ARS) keeps white ink in constant motion to prevent
settling. A printhead rotation chamber allows white printheads to be stored offline
when not in use, eliminating waste on colour-only production days. 9 ink cartridges
(8 colour + 1 white, all 3L). 10 printheads total. Sold and serviced in South Africa
by Graficomp, an HP Amplify Commercial Specialist.
HP Latex 830 Printer — Gen 4 ink chemistry with 3-litre
cartridges for sustained high-volume production
HP Latex 830W Printer — white ink configuration with rotation
chamber for mixed colour and white ink production
36 m²/hrMax draft speed (4-pass). Standard 8-pass production: 20 m²/hr.
3LHP 873 ink cartridges. Three times the volume of the 730 — fewer changeovers.
55 kgMax roll weight (121 lb). High-volume roll handling, sustained throughput.
Why the HP Latex 830 Outperforms on Total Operating Cost
The 830 is Graficomp's recommendation for operations printing above 25 m² per day on a
consistent basis. These are the operational advantages that determine actual cost per square
metre over three years of production — not headline speeds alone.
🗄️
3-Litre HP 873 Cartridges
The 830 uses HP 873 Latex inks in 3-litre cartridges — three times the volume of the
1-litre cartridges on the 630 and 730. Fewer cartridge changes per production day,
less operator time, lower per-ml cost at volume. The Gen 4 ink formulation also
delivers 10–15% greater colour gamut volume and richer pigment load than previous
generation inks.
⚡
Higher Throughput Across All Modes
Draft at 388 ft²/hr (36 m²/hr). Standard 8-pass at 215 ft²/hr (20 m²/hr). Quality
12-pass at 183 ft²/hr (17 m²/hr) — that's the 730's standard mode speed delivered
at quality-pass on the 830. For operations where throughput drives capacity decisions,
the 830 is the clear step-up from the 730.
📷
OMAS Plus Panel Feed Accuracy
OMAS Plus uses an embedded camera and temperature sensor to monitor media advance
over and under-feed in real time, correcting banding before it appears. The system
also provides accurate panel length measurement — critical for tiled installations
and multi-panel brand rollouts where seam alignment cannot be reworked on site.
🎨
Gen 4 Ink Chemistry
HP 873 Latex inks separate the overcoat from the main ink system. Lower curing
temperatures (down 30–40°C from Gen 3) reduce thermal stress on heat-sensitive
media and extend curing unit service life. Higher pigment load produces richer
reds, yellows, and royal blues. Beta testing showed ~85% of production running at
8 or 12-pass with Gen 4 — fewer passes at equivalent or better quality.
What Our Clients Say
South African print businesses on working with Graficomp.
★★★★★"
We run three shifts. The 3-litre cartridges on the 830 changed
everything — operators used to interrupt jobs to swap ink. Now that's gone. The
machine just runs.
JH
Johan H.Production Director · Large Format Signage · Johannesburg
★★★★★"
The OMAS Plus system solved our tiled panel alignment problem.
We do a lot of multi-panel wall installations. Previously we'd get creep across
20 panels. Now seam alignment is consistent end-to-end.
AT
Anelisa T.Operations Manager · Interior Display Company · Cape Town
★★★★★"
We moved from eco-solvent specifically for the outgassing wait.
Same-day lamination was always possible in theory but never in practice. With the
830, the print comes off the machine ready. Our turnaround on retail jobs is a
fraction of what it was.
BN
Bongani N.Owner · Cape Town Print Studio
★★★★★"
Graficomp's engineer stayed on-site for two days during
installation. We weren't just handed a machine — we were handed a production
workflow. That handover is why we came to Graficomp instead of a box-mover.
LV
Liesel V.Director · Exhibition Display Company · Pretoria
★★★★★"
The 830W opened window graphics and backlit work for us.
Jobs we used to subcontract because we had no white ink capability are now
done in-house. The rotation chamber means we don't waste white ink on
colour-only days.
MK
Marc K.Production Manager · Signage & Display · Durban
★★★★★"
We run three shifts. The 3-litre cartridges on the 830 changed
everything — operators used to interrupt jobs to swap ink. Now that's gone. The
machine just runs.
JH
Johan H.Production Director · Large Format Signage · Johannesburg
★★★★★"
The OMAS Plus system solved our tiled panel alignment problem.
We do a lot of multi-panel wall installations. Previously we'd get creep across
20 panels. Now seam alignment is consistent end-to-end.
AT
Anelisa T.Operations Manager · Interior Display Company · Cape Town
★★★★★"
We moved from eco-solvent specifically for the outgassing wait.
Same-day lamination was always possible in theory but never in practice. With the
830, the print comes off the machine ready. Our turnaround on retail jobs is a
fraction of what it was.
BN
Bongani N.Owner · Cape Town Print Studio
★★★★★"
Graficomp's engineer stayed on-site for two days during
installation. We weren't just handed a machine — we were handed a production
workflow. That handover is why we came to Graficomp instead of a box-mover.
LV
Liesel V.Director · Exhibition Display Company · Pretoria
★★★★★"
The 830W opened window graphics and backlit work for us.
Jobs we used to subcontract because we had no white ink capability are now
done in-house. The rotation chamber means we don't waste white ink on
colour-only days.
MK
Marc K.Production Manager · Signage & Display · Durban
Output, Speed, and Daily Capacity
The 830 is the production choice for shops running above 25 m² per day consistently. Heavier
ink volume per cartridge, higher speeds across all modes, and OMAS Plus accuracy make the
830 the sustainable high-volume choice in the HP Latex roll-to-roll range. For comparison:
the 830's quality-mode speed (183 ft²/hr) matches the
HP Latex 730's standard mode.
The HP Latex 830's quality-mode speed (183 ft²/hr) equals the HP Latex 730's standard-mode
speed. For shops where the 730 bottlenecks at standard mode on busy days, the 830 removes
that constraint without stepping down quality.
Media Handling: 55 kg Rolls, Double-Sided Printing, and Precision Feed
The 830 accepts rolls up to 55 kg (121 lb). Rolls from 16.5 to 64 inches are supported
(full take-up reel from 23 inches). Maximum roll diameter is 249 mm (9.8 in). The 830
supports automated double-sided printing on PVC-free media and includes OMAS Plus —
an embedded camera system that monitors media advance in real time, correcting
over/under-feed errors and providing accurate panel length measurement across every job.
Colour Control and Technical Precision
HP Embedded Spectrophotometer
The 830 includes an HP Embedded Spectrophotometer. Production teams can create custom ICC
profiles in-house and verify colour consistency across repeat brand rollouts without
sending substrates to an external profiling lab. For print service providers managing
multi-site installations or long-running retail brand contracts, this is a direct
reduction in reprints and client sign-off cycles. The spectrophotometer also maintains
colour accuracy automatically as printheads are replaced over time.
HP Pixel Control
HP Pixel Control is a digital pipeline that delivers uniform colour distribution and smooth
gradients through precise ink mixing, using over 3,100 nozzles per printhead (up from
2,112 in the Gen 3 range). The result: sharper 4-point text, deeper solids, and consistent
colour rendering panel to panel. In beta testing on Gen 4 machines, approximately 85% of
production ran at 8 or 12-pass with equivalent or better quality than 12 or 16-pass on
previous generation equipment — a throughput gain with no output quality trade-off.
OMAS Plus — Panel Length Accuracy
OMAS Plus uses an embedded camera and temperature sensor to monitor media advance in real
time during printing. It detects over and under-feed errors and corrects them before banding
appears. For tiled installations — multi-panel wall wraps, retail rollouts spanning many
panels, or fleet graphics requiring exact seam alignment — OMAS Plus eliminates the
measurement drift that accumulates across a long run and cannot be corrected on site after
installation.
Textile and Fabric Printing
HP 873 Latex inks print on coated polyester, backlit textile, canvas, synthetic blends, and
natural fibres including pure cotton and tissue paper when used with a liner. Applications
include soft-signage, exhibition backdrops, interior display fabric, flags, and custom
apparel. The HP Latex 830 Textile Kit Accessory is available for long runs of porous
textile.
Gen 4 Ink Chemistry and Environmental Credentials
HP 873 Latex inks are water-based, contain no Hazardous Air Pollutants, and require no
special ventilation. The Gen 4 formulation separates the overcoat from the main ink system,
reducing curing temperatures by 30–40°C compared to Gen 3. This lowers thermal stress on
heat-sensitive substrates and reduces curing unit wear over time. Higher pigment load
delivers a 10–15% larger colour gamut volume — perceptibly richer reds, yellows, and
royal blues at standard print modes. The HP 873 maintenance cartridge lasts 50% longer than
the Gen 3 equivalent, and the separated ink collection unit is fully returnable via HP
Planet Partners.
🏆
UL GREENGUARD Gold
🌿
UL ECOLOGO
🌍
EPEAT Gold + Climate+
⚡
ENERGY STAR
🏠
AgBB
🇫🇷
French VOC A+
Need to print on clear, metallic, or dark substrates?HP Latex 830W — White Ink ConfigurationThe HP Latex 830W adds a white ink channel, an ARS recirculation
system, and a printhead rotation chamber — same chassis, same speeds, same spectrophotometer,
same 3-litre 873 inks. Switch to the 830W configuration below.You are viewing the white ink configuration. Switch back to the
standard HP Latex 830 using the toggle below.
White Ink on the HP Latex 830W
The 830W adds a dedicated white ink channel to the full 830 platform.
White ink enables printing on substrates that are otherwise unprintable: clear films for window
graphics, metallic and chrome vinyl for fleet work, dark or black substrates for retail POS,
and backlit media where white opacity is required for colour vibrancy. Five white print modes
give precise control over construction and opacity. The 830W also delivers 30% faster white ink
speeds than the previous 800 series in underflood, 3-layer, and 5-layer modes.
Spot WhiteWhite ink only, no colour overlay. For logos, text, or registration marks on clear, metallic, or dark media.
Underflood WhiteWhite base coat printed under colour. Brings the full colour gamut to dark or metallic substrates.
Overflood WhiteColour first, white over top. For backlit applications viewed from the reverse side of a clear substrate.
3-Layer White (WCW)White-Colour-White sandwich for maximum opacity on clear substrates and double-sided backlit graphics.
5-Layer WhiteMaximum density (WCWCW) — up to 260% ink density. Highest opacity construction regardless of throughput cost.
White Ink Print Speeds (830W)
White Mode
Speed (ft²/hr)
Ink Weight
Typical Use
Spot White 60w
183
60 g/m²
White logos, text, registration marks on clear/dark media
Overflood White 60w
96
60 g/m²
Colour + white overlay for backlit reverse-read graphics
Underflood White 100w
47
100 g/m²
White base + full colour on dark or metallic substrates
3-Layer White 160w (WCW)
32
160 g/m²
Maximum opacity clear film, double-sided backlit panels
5-Layer White (WCWCW)
16
Up to 260%
Highest opacity construction — maximum ink density
Automatic Recirculation System (ARS)
White ink contains titanium dioxide particles that settle rapidly
when left static. The ARS continuously circulates white ink through the cartridge and
printhead circuit whenever the machine is powered, preventing pigment settling without
operator intervention. No manual shaking, no daily purge routine.
Printhead Rotation Chamber
The 830W includes a printhead rotation chamber — a feature unique to
this model. When running colour-only jobs, white ink printheads can be physically removed from
the carriage and stored in the offline rotation chamber. This eliminates white ink purging waste
on production days where white ink is not required, and maintains printhead condition during
storage. On mixed operations — some days colour-only, some days white ink — the rotation chamber
makes the 830W economically viable in a way that white ink printers without this feature are not.
Applications Enabled by White Ink
Clear film window graphics, backlit lightbox panels, fleet graphics on
chrome or metallic vinyl, dark or black substrate retail POS, frosted or etched-glass effect
films, double-sided backlit graphics (front and back colour-accurate), and easy-dot window
perforated applications where white opacity is required on the non-perforated areas.
Same chassis as the 830: All spectrophotometer,
OMAS Plus, double-sided printing, textile, and roll-handling capabilities are retained.
The 830W is the 830 with white ink added — plus the rotation chamber that makes
mixed production economically viable.
Outdoor Durability
HP 873 Latex inks achieve a 7-year outdoor durability rating on laminated 3M cast vinyl
under 3M MCS Warranty specifications. Unlaminated prints on standard calendered vinyl are
rated for up to 3 years outdoors, comparable to eco-solvent on the same substrates without
lamination. The separated overcoat in Gen 4 chemistry contributes inherent scratch
resistance — indoor wall murals typically do not require lamination.
Mac Workflow Note: HP SAi Flexi Print and Cut (included) runs on Windows
only. Mac-based workflows require a third-party RIP such as Caldera. Contact Graficomp
before purchase to confirm the correct configuration for your studio setup.
Full Specifications
All figures from the HP Latex 830 and 830W product datasheets. Metric primary; imperial in
brackets where relevant for South African buyers.
Specification
Value
Print Technology
HP Latex Printing Technologies (thermal inkjet)
Ink System
Water-based HP 873 Latex Inks — 3-litre cartridges (Gen 4)
9: Cyan, Magenta, Yellow, Black, Light Cyan, Light Magenta, Optimizer, Overcoat + 1 HP 873 Latex White (3L)
Max Media Width
1,625 mm (64 inches)
Standard Speed (8-pass)
~20 m²/hr (215 ft²/hr)
Draft Speed (4-pass)
~36 m²/hr (388 ft²/hr)
Speed Mode (6-pass)
~25 m²/hr (269 ft²/hr)
Quality Speed (12-pass)
~17 m²/hr (183 ft²/hr)
High Quality (16-pass)
~11 m²/hr (118 ft²/hr)
Max Print Resolution
1,200 x 1,200 dpi
Printheads
8 total: 7 HP 836 Universal Latex Printheads + 1 HP 836 Optimizer Latex Printhead (user-replaceable)
Printheads
10 total: 7 HP 836 Universal + 1 HP 836 Optimizer + 2 HP 836 White Latex Printheads (user-replaceable; white heads stored in rotation chamber when not in use)
White Printhead Part #
4UU93A (HP 836 White Latex Printhead)
White Print Modes
Spot White (183 ft²/hr), Overflood 60w (96 ft²/hr), Underflood 100w (47 ft²/hr), 3-Layer WCW (32 ft²/hr), 5-Layer WCWCW (16 ft²/hr, up to 260% density)
White Ink Maintenance
ARS (Automatic Recirculation System) + printhead rotation chamber for offline head storage
Roll Size Supported
16.5 to 64-inch rolls (23 to 64-inch with full take-up support)
Max Roll Weight
55 kg (121 lb)
Max Roll Diameter
249 mm (9.8 inches)
Max Substrate Thickness
0.5 mm (19.7 mil)
Spectrophotometer
HP Embedded Spectrophotometer (included)
Panel Feed Accuracy
OMAS Plus — embedded camera + temperature sensor for real-time feed correction
Double-Sided Printing
Automated, PVC-free media only
Media Types
Canvas, Polyester films, PVC Banners, PVC-free Banners, Papers, Self-Adhesive vinyls, PP and PE synthetics, Textile, Wallcoverings, Mesh
RIP Software Included
HP SAi Flexi Print and Cut (Windows only)
Connectivity
Gigabit Ethernet (1000Base-T)
Power Requirements
200-240 V, single-phase, 50/60 Hz
Power Consumption
1.5-2.5 kW printing (5 kW peak), 95 W ready, <19 W sleep
Operating Temperature
15 to 30°C (59 to 86°F)
Operating Humidity
20 to 80% RH (non-condensing)
Dimensions (W x D x H)
258.3 x 86.6 x 140.2 cm (101.7 x 34.1 x 55.2 in)
Product Weight
292 kg (644 lb)
Product Weight
300 kg (661 lb) — white ink system adds 8 kg
Environmental Certifications
ENERGY STAR, RoHS, REACH, EPEAT Gold + Climate+, AgBB, French VOC A+, UL GREENGUARD Gold, UL ECOLOGO, CE
Warranty
1-year limited hardware warranty
HP Part Number
870B9A
HP Part Number
870C0A (830W)
Why Graficomp
Graficomp is not a box-mover. Every HP Latex 830 purchase includes commissioning by a
certified HP engineer and operator training before the machine enters production. We carry
40 to 50 years of combined engineering experience on the HP DesignJet and Latex ranges.
HP ASDP Certified Service CentreAuthorised for in-warranty and out-of-warranty support across the full HP Latex
range. Our engineers diagnose and repair — not swap-and-return.Installation and CommissioningA Graficomp engineer installs your machine on-site and validates print quality
before handover. This is not a printer you commission from an unboxing video.Operator Training IncludedProduction teams are trained on media loading, print mode selection, printhead
maintenance, RIP workflow, and — on the 830W — white ink rotation and
ARS procedures before the engineer leaves your site.Rental and Financing AvailableRental agreements over 36, 48, or 60 months convert capital expenditure into
a fixed monthly operating cost. Request a quote above.
HP Amplify is HP's global partner programme for authorised resellers and service
organisations. Specialist status requires demonstrated technical competency, customer
satisfaction metrics, and a minimum volume of certified deployments. Graficomp holds
Commercial Specialist designations across two distinct solution areas within the Large
Format portfolio, as well as Synergy Commercial Partner status.
When you buy an HP Latex 830 through Graficomp, you are buying through a partner that
HP recognises as qualified to deliver the full solution: hardware, installation,
training, and ongoing service.
Large Format Design Solutions SpecialistCertified competency in design-led large format applications including
interior décor, fine art, and AEC print workflows.
Large Format Production and Textile Solutions SpecialistCertified competency in high-volume production, textile printing,
and sustainable large format print workflows.
Johannesburg — Head OfficeMidrand / KyalamiPretoria / CenturionKrugersdorp / West RandIsando / Kempton ParkJet Park / BoksburgMeadowdale / GermistonLongmeadow / Linbro ParkCape Town — TokaiDurbanStellenbosch / TechnoparkPaarl · Somerset West · George
HP delivers equipment free to any location in South Africa, including outlying areas.
Graficomp's engineers travel to site for installation across all regions.
Is the HP Latex 830 the Right Machine?
Choose the HP Latex 830 if:
Your daily volume consistently exceeds 25 m² and cartridge changeover interruptions are a known friction point
You manage repeat brand contracts where tiled panel alignment accuracy is a client requirement — OMAS Plus eliminates drift
You want the highest throughput in the HP Latex roll-to-roll range with embedded spectrophotometer and Gen 4 ink chemistry
You are upgrading from an HP Latex 800 series and want all Gen 4 improvements including 3-litre cartridges
Each answer is written to stand alone — optimised for AI-assisted search and passage retrieval.
These are the questions Graficomp's sales team actually receives from buyers researching the 830.
What is the difference between the HP Latex 830 and the HP Latex 730?
The four primary differences are: (1) the 830 uses HP 873 Latex inks in 3-litre
cartridges versus 1-litre HP 832 cartridges on the 730 — three times the ink
volume per cartridge, fewer changeovers per production day; (2) the 830 runs
faster across all print modes — 388 ft²/hr draft versus 334, and 215 ft²/hr
standard versus 183; (3) the 830 includes OMAS Plus, an embedded camera system
for real-time panel feed accuracy — the 730 does not; (4) the 830 uses Gen 4
ink chemistry with separated overcoat, lower curing temperatures, and a 10–15%
larger colour gamut.
Both machines include an HP Embedded Spectrophotometer, automated double-sided
printing on PVC-free media, 55 kg roll capacity, and HP 836 user-replaceable
printheads.
Why does the HP Latex 830 use 3-litre cartridges instead of 1-litre?
The HP 873 Latex ink system uses 3-litre cartridges because the 830 is designed
for sustained high-volume production where cartridge changeovers are a genuine
throughput cost. A production operation printing 30 m² per day would change 1-litre
cartridges significantly more often than 3-litre cartridges. On multi-shift
operations, the reduction in operator interventions is material.
The 3-litre cartridges also have a lower per-millilitre ink cost than 1-litre
equivalents at equivalent volume — a financial advantage for high-consumption
operations.
What does OMAS Plus do on the HP Latex 830?
OMAS Plus uses an embedded camera and temperature sensor to monitor media advance
in real time during printing. It detects over-feed and under-feed errors and
corrects them before banding appears on the output. The system also provides
accurate panel length measurement.
For shops doing tiled wall installations, multi-panel retail rollouts, or fleet
graphics requiring precise seam alignment across many panels, OMAS Plus eliminates
the cumulative feed drift that causes misalignment at panel joins — a problem that
cannot be corrected after installation on site.
What is HP Gen 4 ink chemistry and why does it matter?
Gen 4 refers to the HP 873 Latex ink formulation used in the 830 and 730. The
key change from Gen 3 (HP 832 inks in the 630) is that the overcoat — the
protective resin copolymer — is separated from the main ink. This allows curing
to happen at lower temperatures (down 30–40°C from Gen 3), reducing thermal
stress on heat-sensitive substrates and reducing wear on the curing unit over
the machine's service life.
Gen 4 also delivers higher pigment load — producing richer reds, yellows, and
royal blues — and approximately 10–15% more colour gamut volume than Gen 3.
In beta testing, ~85% of production ran at 8 or 12-pass with equivalent quality
to 12 or 16-pass on Gen 3 machines.
What is the maximum roll size the HP Latex 830 accepts?
Maximum roll diameter is 249 mm (9.8 inches). Maximum roll weight is 55 kg
(121 lb). Rolls from 16.5 to 64 inches are accepted; rolls from 23 to 64 inches
receive full take-up reel support.
Does the HP Latex 830 require special ventilation?
No. HP 873 Latex inks are water-based and contain no Hazardous Air Pollutants.
No special ventilation is required for the ink chemistry. When printing on
PVC-based vinyl or banner media, mild off-gassing from media plasticisers
can occur during curing — this is the substrate, not the ink. For completely
odour-neutral output, HP PVC-free substrates and paper-based media produce
no detectable odour.
How does HP Latex outdoor durability compare to eco-solvent?
HP 873 Latex inks achieve a 7-year outdoor durability rating on laminated 3M
cast vinyl under 3M MCS Warranty specifications. Unlaminated output on standard
calendered vinyl is rated up to 3 years, comparable to eco-solvent on the same
substrates without lamination.
The separated overcoat in Gen 4 chemistry contributes inherent scratch resistance
that makes lamination optional for indoor applications such as wall murals —
a meaningful operational simplification for interior decoration work.
What RIP software is included, and does it run on Mac?
HP SAi Flexi Print and Cut is included. It runs on Windows only. Mac-based
workflows require a third-party RIP such as Caldera. Graficomp can advise
on the correct configuration before purchase.
What happens when a printhead needs to be replaced?
HP 836 Latex printheads on the 830 are user-replaceable. No engineer is required
on site. Replacement takes under 10 minutes. The machine runs automatic
calibrations after installation. The HP 836 Universal printhead covers all
colour channels — one SKU, no channel-specific inventory required.
On the 830W, white ink printheads (4UU93A) are separately replaceable and can
be removed from the carriage and stored in the rotation chamber when not in use,
extending their service life on mixed colour/white operations.
When should I specify the HP Latex 830W instead of the standard 830?
Specify the 830W when your substrate mix includes clear films for window graphics,
chrome or metallic vinyl for fleet graphics, dark or black substrates for retail
POS, or backlit lightbox panels where white opacity is required for colour
vibrancy. The 830W is also the correct choice when you run double-sided backlit
graphics requiring white between the two colour layers.
If your production is exclusively on white or light-coloured media, the standard
830 is the more cost-effective choice. The rotation chamber makes the 830W
viable for mixed operations — colour-only runs do not require white ink
purging when the white heads are stored offline.
What is the printhead rotation chamber on the HP Latex 830W?
The printhead rotation chamber is a physical offline storage unit for the 830W's
white ink printheads. When running colour-only jobs, the white ink printheads
can be removed from the print carriage and placed in the rotation chamber.
While stored, the chamber keeps the printheads in condition — rotating and
maintaining them without consuming white ink.
This eliminates the white ink purge waste that occurs on colour-only production
days in white ink printers that do not have this feature. For operations that
run white ink work on some days and colour-only on others, the rotation chamber
is the feature that makes the 830W economically viable in a mixed production
environment.
What are the five white print modes on the HP Latex 830W?
Spot White (183 ft²/hr): White ink only, no colour overlay.
For logos, text, or registration marks on clear, metallic, or dark substrates.
Overflood White (96 ft²/hr): Colour printed first, white
over top. For backlit applications where the image is viewed from the reverse
side of a clear substrate.
Underflood White (47 ft²/hr): White base coat under colour.
Brings the full colour gamut to dark or metallic substrates.
3-Layer White — WCW (32 ft²/hr): White-Colour-White sandwich
construction for maximum opacity on clear substrates and double-sided backlit
graphics.
5-Layer White — WCWCW (16 ft²/hr): Maximum white density,
up to 260% ink density. Used where the highest opacity is required regardless
of throughput cost.
All five modes run 30% faster on the 830W than on the previous HP Latex
800W series.
Talk to a Specialist
Graficomp's team can match you to the right machine for your volume, substrate mix,
and workflow. No pressure — useful information whether you buy now or in 12 months.
HP Latex 830 demo in Johannesburg or Cape Town
Rental and financing options — 36, 48, or 60 months
Substrate compatibility advice before purchase
On-site installation and operator training included
HP ASDP certified service — in and out of warranty