Presstek Announces Larger Format Multi-Station DI Press

Jim Hamilton
Mar 19, 2010

Presstek announced this week that the larger format DI product that it first mentioned at drupa 2008 will be shown at IPEX in May and Graph Expo in October. The product is called the Presstek 75DI and is a multi-unit press with a 31.02″ x 23.62″ (788 x 600 mm) format. This size, which will fit 6-up letter, is even larger than the 4-up format that InfoTrends initially assumed it would be. Presstek has chosen a tower design that will allow up to ten colors (plus optional aqueous coating). After beta testing, Presstek expects the 75DI will be available prior to the end of 2010. In the future it expects to offer features such as perfecting (i.e., duplexing), printing with UV inks, and other types of coating. List pricing will start at around $1,175,000 for a four-unit press and go up from there depending on the number of stations and other options.

Five-station Presstek 75DI

Five-station Presstek 75DI

The table below compares key specifications of the 75DI with Presstek’s existing products. Several differences stand out:

  • Larger format
  • Higher sheet per hour printing speed
  • Next generation imaging technology
  • Faster make-ready time
  • Multi-unit design
  75DI 52DI & 52DI-AC 34DI-E & 34DI-X
Maximum sheet size 31.02″ x 23.62″
788 x 600 mm
20.47″ x 14.76″
520 x 375 mm
13.39″ x18.11″
340 x 460 mm
Maximum imaging area 29.53″ x 22.83″
760 x 580 mm
20.08″ x 14.18″
510 x 360 mm
13.39″ x 18.11″
340 x 450 mm
Minimum sheet size 10.98″ x 7.87″
279 x 200 mm
4.33″ x 3.94″
110 x 100 mm
3.54″ x 3.94″
90 x 100 mm
Press sheet orientation Landscape
Long edge first
Landscape
Long edge first
Portrait
Short edge first
Maximum printing speed 16,000 sheets per hour 10,000 sheets per hour 7,000 sheets per hour
Imaging technology Next generation single-lens, 16-micron, laser imaging Presstek ProFire Excel 16-micron laser imaging Presstek ProFire Excel 16-micron laser imaging
Make-ready time 8 minutes Less than 10 minutes 10 minutes (34DI-X)
14.5 minutes (34DI-E)
Plate type ProFire Digital Media ProFire Digital Media ProFire Digital Media
Press type Up to ten-color waterless multi-tower offset Four-color waterless common impression cylinder offset Four-color waterless common impression cylinder offset
Resolution 2,540 dots per inch (100 dots/mm) 2,540 dots per inch (100 dots/mm) 2,540 dots per inch (100 dots/mm)
Screen rulings Up to 120 l/cm (300 lpi) plus FM/stochastic Up to 120 l/cm (300 lpi) plus FM/stochastic Up to 120 l/cm (300 lpi) plus FM/stochastic
Substrate support 0.04 to 0.6 mm
0.0016″ to 0.024″Up to 24 pt
Up to 30 pt (optional)
0.06 to 0.5 mm
0.0024″ to 0.020″20 pt maximum
0.06 — 0.5mm
0.0024″ to 0.020″20 pt maximum
IR Dryer Standard Standard Standard
Coating In-line aqueous coating option In-line aqueous coating with 52DI AC None
Options and accessories More options to be announced during 2010 Aqueous coating Some automation features are standard on the 34DI-X but optional on the 34DI-E.
U.S. base configuration list pricing and availability Beta testing to begin in June 2010; available by the end of 2010; list price will start at around $1,175,000 Available now; from $540,000 to $705,000 depending on the configuration Available now; list price for a base configuration is less than $300,000

Note: Make-ready time includes plate loading, imaging, automatic ink-key setting, pre-inking of plates & blankets, and coming up to color

With this announcement Presstek has expanded its DI offerings to include two key product types:

  • Four-color, compact footprint, common-impression cylinder presses like the 52DI, 52DI-AC, 34DI-E, and 34DI-X
  • Larger format, multi-unit presses such as the 75DI

InfoTrends will have a chance to see Presstek’s 75DI at IPEX and will provide a more detailed analysis at that time.

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