LOGE-6D A3+ can print on dark and light t-shirt surface with white ink and rip software.The resolution is up to 2880*1440dpi. Technical specifications: Imaging Process On-demand ink jet (Micro Piezo) Resolution (Maximum) 2880 x 1440 optimized dpi Minimum Ink Droplet Size 4picoliter Ink Colors C,M,Y,K,W,W,W Ink Supply Individual pre-filled cartridges with intelli-smart technology Print Speed 8minutes for A3+ image at 2880 x 1440 dpi Print Direction Uni and Bi directional Maximum Print Size 329mm x 483mm Maximum Substrate Weight 10kg Z Axis (Depth/Thickness Control) 6 Interface Hi-Speed USB 2.0 Windows Operating System 2000 Professional, NT, XP and Vista Minimum System Requirements CPU of >2GHz, >1GB RAM, 5 GB free hard disc space and two available USB 2.0 ports Recommended System Requirements Windows XP Pro, CPU >3 GHz, = to/or >2 GB RAM, 30+ GB free hard disc space and two available USB 2.0 ports Power Source AC220-240 , 50/60 Hz Operating Temperature 20°F to °F(10°C to 35°C) Humidity Non-condensing 20%-80% Dimensions 890mm(L)x750mm(W)x560mm(H) Agency Listings Pending Warranty Printer 1 year limited warranty Options Color Byte software and accessories Device size 89cm*75cm*56cm Shipping size 103cm*98cm*65cm