If you run book printing, manuals, or short-run commercial jobs, you already know the pain: monochrome inkjet lines showing "white wire" streaks, nozzles dying early, and your team babying the printhead instead of shipping boxes. The UB-SP440 Series Digital POD Inkjet Printer from UP GROUP was built around that exact headache.
Its headline trick is the world's first Dual Channel Printing Technology - it kills the broken-needle white-line issue on black-and-white runs and stretches nozzle life noticeably. On the color side, the Pro440C-HD pushes CMYK duplex at 90 m/min with 1200 dpi fine mode; the mono Pro440K-HD hits 120 m/min, and both hold ±0.2 mm duplex accuracy. Math-wise, that's up to 36,000 double-sided A4 sheets per hour in color production mode. Not lab numbers - production-mode numbers.

Roll handling is honest industrial grade: 436 mm max print width, rolls 100–460 mm wide, 1270 mm OD, automatic tension and web guiding, and a super-long independent buffer (≥30 m) so you swap stacks without dropping speed. Drying is IR + hot air on color, hot air on mono, auto-adjusted to ink load and speed. The head mounting base is machined to 0.005 mm - 4.2× the 1200 dpi head hole pitch - so splicing stays clean. UK-made drive boards, three-stage liquid cooling, and variable printing per copy (not just codes/dates) round out the "no excuses" package.
We quote as suppliers and manufacturers: customized configs across Pro440C / C-HD / K-HD / D-HD, volume quotation, repeat-order discount, and free sample arrangement on consumables (freight collect). Search buyers find us on digital POD inkjet printer, dual channel printing, 1200 dpi book printer, 36000 A4 per hour.
If your floor is losing hours to head clogs and manual stacking, this is the machine that turns POD back into a margin game. Get the spec sheet and a tailored quotation - tell us your daily A4 volume and we'll match the model.
