To be used with: Icontek: TW-3306HC, TW-3308HC,TW-3306HA, TW-1806A, TW-3306HD, TW-3308HD, TW-3308HZ, M1, M3 SID: XCS PLUS 320-8H, XCS 320-8H, XES 250, XES 320, XH250 Crstaljet: S1806SPT510_35PL, S3306IISPT510_35PL , F3308IISPT510_35PL, S4306SPT510_35PL, F4308SPT510_35PL, S6306IISPT510_35PL, F6308IISPT510_35PL Infiniti: FY-3208HA, FY-3206HA, FY-3208HF, FY-3206HF, FY-3208H, FY-3206H, FY-3208R, FY-3206R, FY-3208G, FY-3204G Phoaeton: UD-3206E, UD-3208E, UD-3206G, UD-3208G, UD-3208GF, UD-3206GF, UD-3208H Roland: AJ-1000, AJ-740 VUTEK: QS3200,QS3200R Remarks: Original Description: This Seiko SPT510/35pl printhead and the latest type SPT510-35PL printhead with new IC driver perform the same for most printers. But for INFINITI / CHALLENGER FY-3208H printers (Serial number before 32026212974), produced before January 5, 2011 and with USB board, users should choose this SPT510-35PL printhead(PRH-SPT-002-E).