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Large-format, Commercial and Industrial Printing Solutions
 

New HP Vivera Pigment Inks

 
 

Introduction

HP's existing family of Vivera dye-based color inks provides a leading combination of image quality and display permanence. The new HP Vivera pigment inks take this performance a step further by vastly improving display permanence and providing water-resistant (and in some instances, waterproof) output on a wide range of print media. The new HP Vivera pigment inks do not replace dye-based Vivera Inks, but provide an additional, more flexible solution for creative professionals.

Precise, Long-lasting Color

The HP Photosmart Pro B9180 uses eight individual HP Vivera pigment inks, including new matte black and photo black inks, a new neutral gray ink, and new color inks in cyan, light cyan, magenta, light magenta and yellow.

New pigment-based HP Vivera Inks are specially formulated to produce a broad color gamut, deep, rich blacks, and true, neutral grays on a variety of media for brilliant, life-like photos and fine art prints. HP carefully designs and combines exclusive pigment inks to provide excellent color rendition and fine gradations within the color space for accurate, consistent color. Exclusive HP pigment photo inks offer additional benefits for professional photographers and designers, from exceptional fade resistance and durability to support for a wide range of media types.

Exclusive encapsulation technology

Electrosteric Encapsulation Technology
Figure 1.
HP Vivera pigment inks are formulated with an HP exclusive pigment dispersion technology—Electrosteric Encapsulation Technology (EET)—to deliver rich, vibrant color and exceptional fade resistance of more than 200 years. Since fade resistance and color vibrancy are affected by the size of the pigment particles, HP carefully optimizes both the pigment chemistry and particle size to deliver professional image quality and the best photo permanence on the market (see Note 1).

EET, in combination with HP's proprietary ink vehicle design, results in inks that form a smooth film without the bumps or irregularities that often result when printing with other pigmented inks. This allows the HP Photosmart Pro to deliver excellent gloss uniformity across a range of colors and exceptionally high gloss on glossy papers.

HP's unique stabilization technology and ink design produce a highly stable pigment dispersion that resists pigment settling, a common occurrence with lesser quality pigment inks. The key to delivering a reliable, consistent ink is to ensure that pigment particles do not stick together and form larger particles. EET maintains particle separation and helps provide dispersion stability for reliable, consistent printing performance. As Figure 1. shows, each pigment particle is encapsulated in a resin layer. The layer creates a protective barrier around the particle and keeps it from getting too close or adhering to neighboring particles. Negative electrostatic charges within the resin layer further enhance the repulsion force between particles.

HP's unique EET design results in a freer-flowing, less viscous ink, so printhead nozzles operate efficiently, even after relatively long periods of exposure to air. This allows the HP Photosmart Pro to deliver fast speeds and consistent, reliable printing — even when printing on large media sizes — without significant ink servicing. EET enhances the ink's shelf life and helps promote consistent, highquality printing.

Dark photo black inks

New photo black inks produce exceptionally dark, glossy blacks on fast drying paper for professional, studio-quality photos. The capability to produce deep, dark blacks on quick drying media, a feature which is difficult to achieve with pigmentbased inks, is a result of HP's careful co-design of the ink and paper, including the formulation of the paper coating.

Various methods are used to compare the darkness of black inks in the context of print quality. While viewing of actual print samples is generally considered optimal, inclusion of full-size prints is not possible here. Another common method uses L* minimum to measure darkness levels of black output (the lower the number, the darker the black). The graph in Figure 2. shows such a comparison.
Blackness comparison chart
Figure 2.

Neutral gray ink

HP's third-generation gray ink printing technology delivers true, neutral grays across a broad range of media for artistic black-and-white photos and fine art prints (see examples below).
Print with HP Vivera gray ink
Figure 3. The HP Photosmart Pro B9180 uses HP Vivera gray ink to produce true, neutral grays.

Print with composite inks
Figure 4. Even competitive printers that use gray ink add composite inks, which produce less neutral grays.

As with all HP inks, the new pigment-based inks are carefully co-developed with HP printhead design to deliver highly accurate, precise drop placement even at high print speeds. Inks with even slightly different fluid properties would detract from this optimized genuine HP performance.

Versatile Media Support

New HP Vivera pigment inks are designed to deliver exceptional image quality, permanence, and durability on a variety of media types, including fast drying photo papers such as the new HP Advanced Photo paper, fine art papers, watercolor, canvas, and textured art papers.

The ability to deliver professional photo quality across a broad media set is a result of HP's careful approach to ink design, including the design and selection of pigment colorants, the amount of colorant used, and the ink vehicle. Designing a pigment ink that performs well on glossy media is particularly challenging, since pigment particles by nature form a film on the paper surface. Any variations within the film can lead to gloss non-uniformities.
Recommended HP Photo and Fine Art Papers for the HP Photosmart Pro B91801
Product NamePaper Construction and CoatingDisplay Permanence, Years (test lab)Water Resistance 2
HP Advanced Photo Paper (10.5 mil, 250 g/m2)Resin coated nano-porous technology coating with acidfree base200+ (WIR)3Waterproof
HP Hahnemühle Smooth Fine Art Paper (15 mil, 265 g/m2)100% rag content, bright white coated, matte finish, acid free200+ (WIR)3Water Resistant
HP Hahnemühle Watercolor Paper (13.4 mil, 210 g/m2)Coated matte paper with slightly structured texture with natural white shade. Mould — made with 50% rag content. Acid free200+ (WIR)3Water Resistant
HP Photo Matte (9.2 mil, 196 g/m2)Bond paper with inkjet coating200+ (WIR)3Not Water Resistant
HP Artist Matte Canvas (18.5 mil, 385 g/m2)Coated artist stretch canvas with matte finish. Polyester/cotton blend pH neutral and acid-free baseTesting in progressWater Resistant
HP Aquarella Art Paper (14.4 mil, 240 g/m2)Coated slightly structured mouldmade paper with matte finish. Natural white, acid freeTesting in progressWater Resistant

Permanence and Durability

HP Vivera pigment inks deliver exceptional display and image permanence across a broad media set. Image permanence essentially describes how long a photo will last and is determined by how well the photo resists relevant degradation factors. For example, a displayed photo may experience noticeable changes such as fading due to exposure to light (light fade), air pollutants (air fade), or high temperatures. Other degradation factors include thermal or dark fade, which refers to image degradation due to the absence of light, and humid-fastness, defined as the migration of colorant when an image is exposed to elevated levels of humidity.

Light fade

The basic method for estimating light-fade resistance accelerates light exposure and calculates years of image resistance to fade based on the accelerated light exposure.4 There currently are no standard methods for estimating and accelerating pollutant-induced fade. To determine potential susceptibility to pollutant fade, HP tests products under concentrated ozone conditions.

Air fade

Although longer term display of any type of photo should be behind glass or other protection, HP recognizes the importance of photo printing technology that is highly resistant to the effects of airborne pollutants. In unprotected display in direct contact with indoor air, HP Vivera pigment inks offer several decades of ozone fade resistance on recommended papers. Please refer to the HP Photosmart Pro 9180 User's Guide for a list of recommended papers.

Water resistance

In addition to delivering exceptional image quality and fade resistance, the new pigment inks are carefully formulated for durability and water resistance. When printing on the new instant-dry HP Advanced Photo paper, prints can be handled immediately from the out-tray (see the section below, New HP Advanced Photo Paper).

During the development of HP Vivera pigment inks, HP paid close attention to the various types of water resistance performance characteristics most important to customers. HP developed a set of six tests: Water Immersion, Standing Water Drop Evaporation, Standing Water, Water Spray, Water Drip, and Wet Smudge. To meet HP's stringent definition of waterproof, photo prints must pass all six tests. HP considers prints which pass all but the first two tests as water resistant, although not waterproof. Prints produced using HP Vivera pigment inks and HP Advanced Photo paper pass HP's definition of waterproof and on many other papers produce water resistant prints. For more information see: www.hp.com/go/printpermanence.

Consistent, Reliable Results

HP Vivera pigment inks are carefully designed to provide reliable, stable performance and to help prevent ink and printhead nozzles from clogging inside the printer. HP Vivera pigment inks work with other elements of the printing system to deliver the image quality and performance customers expect from HP, including HP's electrostatic drop detection print head management system, which monitors all 8,448 print nozzles for optimal, high-quality printing and consistent, reliable results over the life of the product. See the technology backgrounder on the HP Photosmart Pro B9180 for details.

Ease of Use

HP Vivera pigment ink cartridges are easy to use and replace. High-capacity, 27 cc ink cartridges reduce intervention rates and save time by requiring fewer replacements. With eight, individual ink cartridges, you replace only the color than runs out. Built-in matte black and photo black inks in the new HP Photosmart Pro eliminate the need to change ink cartridges when printing on different media, as well as the potential for possible cross-contamination or mixing of inks when changing print modes between glossy and matte media.

HP SureSupply online ordering technology provides customers with the ability to conveniently and easily reorder ink cartridges for their HP inkjet printers via the Internet. HP SureSupply tracks ink levels and provides alerts via a pop-up window when ink is low. This innovative technology offers customers a simple click-through process for accessing supplies information and selecting purchase options from HP or their choice of on-line retailer.
1Please refer to the HP Photosmart Pro B9180 User's Guide for more information on compatible papers.

2Waterproof with HP Advanced Photo paper; water resistant with other HP-recommended papers. Based on HP imagepermanence lab's comprehensive water resistance testing. For details, see www.hp.com/go/printpermanence.

3Preliminary Wilhelm Imaging Research estimate; tests in progress. Based on light (fade) degradation testing under glass;Storage permanence (thermal degradation resistance) is estimated in excess of 200 years based on Wilhelm Imaging Researchestimate. For updates, visit wilhelm-research.com or www.hp.com/go/printpermanence.

4 Display life predictions are derived from accelerated glass-filtered and bare-bulb fluorescent light fading tests conducted at 75 degrees Fahrenheit and 60 percent relative humidity, based on a standard indoor display condition of 450 lux for 12 hours per day. The spectral power distribution of the fluorescent lamps used in these tests meets the requirements set forth in ANSI Standard IT9.9 and ISO Standard 18909. Due to variability in illumination conditions in homes and offices, images will last longer when displayed under lower light levels. Likewise, display life will be shortened when displayed under illumination that is more intense than 450 lux.

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