This 2015 Ryboi 928P is a used 8-color press — a sheet-fed offset printing press capable of laying down eight ink colors in a single pass through the machine. Eight-color presses of this kind, sometimes referred to as multicolor offset presses, are central to high-volume commercial printing operations where complex color work, tight registration, and production efficiency are essential. Ryobi is a well-established Japanese manufacturer with a long history of producing sheet-fed offset presses for the commercial and packaging print industries.
The press is configured for both straight printing and perfecting, running either 8/0 (all eight colors on one side) or 4/4 (four colors on each side in a single pass), thanks to its perfecting (T/C — turn and cut, or convertible) capability. The sheet size is 239 mm at the short dimension, and the press is equipped with S-APC (automatic plate changing), which significantly reduces makeready time between jobs by automating the plate loading process.
Operator control is handled through a remote console with a PDS-E spectro drive system, integrating spectrophotometric color measurement directly into the press control workflow for closed-loop color management. Dampening is provided by Ryobimatic dampening, Ryobi's own continuous-feed dampening system designed for consistent ink-water balance across long and short runs alike.
UV curing is handled by an LED UV system supplied by Panasonic, enabling instant curing of UV inks and coatings without the heat load and lamp-replacement costs associated with conventional mercury UV systems. The press is also fitted with a DAC camera system, which provides automated quality inspection and register monitoring during the print run. The machine is located in China.
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