Free
About
This app allows to create label image and print on Seiko Instruments Inc.'s printer.
App function
• Create label using text, image, barcode.
• Open sample label.
• Save to file.
• Open label from file.
• Print label.
Printer Model
• SLP850
• SLP720RT
• SLP721RT
• MP-B30L
• MP-B21L
Interfaces
• Wireless LAN
• Bluetooth
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What's New in SII Layout Editor
1.7.4
March 30, 2026
・Fixed reversed print orientation on Japan‑market TL‑S4028A. ・Fixed unnecessary warning when opening SLP850 labels on SLP72xRT. ・Fixed issue preventing print cancel after “No Paper” error on SLP850. ・Fixed missing copyright display.
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