Model: SP35 Plus
Operating System: Windows XP (Note: might work with other versions of this os.)
This Firmware Update Program is a stand-alone application used to update the firmware in SP, CP, SP Plus and CP Plus Series printers installed with the Microsoft Windows Vista, Windows XP, Windows Server 2003 or Windows Server 2008 operating systems. Printer Driver version 4.0 or version 4.1 and the Windows Vista or XP operating systems, are required. Use this program, a firmware update file with a .fls extension, and the Firmware Update instructions to update the printers firmware.
Card Printer Firmware File