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A compact press for high-volume mono book production.

What does the printer do?
This is a web-fed mono single-engine duplex inkjet press, intended for volume paperback book printing with “near photo” quality. It has a particularly small footprint for its spec. It is available in three web widths and can be configured for inline or offline running with third-party book production and binding systems.

When was it launched and what market is it aimed at?
In its current configuration the K630i was introduced in mid-2016 for the book market. Domino is primarily aiming for the volume paperback book market, replacing slower toner-based web printers. “This is for the production market, not for one-off books,” says Bryan Palphreyman, Domino’s product manager for digital print solutions. It can be supplied as the ‘book block printing solution’ with Hunkeler inline unwinder, web buffer, folder, cutter and stacker, to produce sections or book blocks, or it can re-reel for nearline systems. It can also produce multi-page booklets with an Ibis Smartbinder saddle stitching/gluing line or similar.

Specifications
Max speed 150m/min
Inkjet technology Domino single-pass print bar with Kyocera piezo greyscale heads
Ink Aqueous pigment or UV-cure pigment, MICR
Print widths 333, 445 or 540mm
Resolution 600dpi with four-level greyscale
Footprint Print unit: 1.9x2.2m; control unit: 2,100x900mm; ink supply unit: 520x1,202mm
Price From $559,215 to $621,350 (for engine plus RIP)

How does it work?
The press uses a Domino full-width print bar containing an array of Kyocera greyscale piezo heads on each side of the web, with drying units positioned after each bar.
The ‘i’ part of K630i stands for Domino’s built-in intelligence, intended to make it easier to use. The i-Tech ActiFlow circulation system keeps ink moving around the printhead even when the press is stopped, while ActiFlow de-gases the ink to prevent bubbles. i-Tech CleanCap automated print head cleaning and capping means that daily, manual head wiping isn’t necessary.
For book printing it can run a high-density black aqueous pigment ink suited for coated or uncoated papers, but there’s also a UV-cured ink option for high gloss or other ‘difficult’ substrates. You can’t swap between inks on the same press.
Three maximum print widths are offered, though Palphreyman expects the largest 540mm version to be the only choice for book work to match finishing lines from Hunkeler and others.
The front-end is the Domino Editor RIP, which accepts PDFs and variable data IPDS/AFP, as well as imposition data.

How does it differ from previous models?
The K630i is a revised version of the Swiss Graph-Tech MonoCube printer. That was originally intended for transactional printing, but after Domino bought Graph-Tech in 2013 it continued development, renaming it K630i and refining its integration with downstream production processes.

How fast/productive is it?
Top web speed is 150m/min, with a duty cycle of 16 to 52 million A4 pages per month (assuming duplexing). Probably more important, says Palphreyman, is that the press can be run at any speed with the same quality. This lets it match with finishers that need to run at different speeds depending on the number of pages.
Palphreyman says the small footprint also means there is little paper threaded in the press, which makes paper changes more economical.

What is the USP?
According to Palphreyman, the USPs are the K630i’s compact footprint, high image quality due to dense black ink and greyscales, plus the effort Domino puts into integration with book production lines.

How easy is it to use?
Very easy, says Palphreyman. “You switch on, the data comes in and it starts printing. The quality module looks after consistency. It’s operator friendly, with all cleaning and head capping being automatic. Ideally we’ll get to the point that all the operator has to do is reload the ink and paper.

Alternatives
Canon Océ Jetstream 5500 Mono
The widest and fastest mono system from the Océ JetStream Wide Series with print speeds up to 254m/min.
Max speed 254m/min; Inkjet technology Océ DigiDot drop-on-demand piezoelectric

HP PageWide T260M
HP’s PageWide T-series colour and mono inkjet web presses are market leaders in the digital book printing sector. The thermal heads are high res but not so far the HDNA greyscale type.
Max speed 244mpm; Inkjet technology single-pass thermal drop-on-demand arrays

Kodak Prosper 1000 plus Press
Revamped and significantly faster version of the original monochrome Prosper press, launched in 2015 and claimed to be the fastest on the market.
Max speed 300m/min; Inkjet technology Stream continuous flow; Ink Aqueous pigment, black