These printers use the IR-61BR cartridge:

Citizen CBM-710
Citizen CBM-715
Citizen CBM-720
Citizen CBM-725
Citizen CBM-730
Citizen CBM-750
Citizen CBM DP-600 Series
Citizen CBM DP-600
Citizen DP-600
Citizen DP-610
Citizen DP-611
Citizen DP-612
Citizen DP-612 G
Citizen DP-614
Citizen DP-617
Citizen DP-617 G
Citizen DP-622
Citizen DP-624
Citizen DP-627
Citizen DP-630
Citizen DP-650
Citizen iDP-3516
Citizen iDP-3520
Citizen iDP-3530 F
Citizen iDP-3530 P
Citizen iDP-3535
Citizen iDP-3540 F
Citizen iDP-3540 P
Citizen iDP-3541 F
Citizen iDP-3545
Citizen iDP-3546
Citizen iDP-3550
Citizen iDP-3551
Citizen iDP-4530
Citizen iDP-4540
Citizen LT - Gaming Ptr
ABS SA4000
ABS System R II
Casio CE 4050
Casio FE-2000
Casio KP 300
CRS 2000
Data-Card 22 Receipt/Slip Ptr
Data-Card 24 Receipt/Slip Ptr
Data-Card Slip Ptr
Datatrol 780
Datatrol 3530-SP
JCM Gold-3700
Konic-Electronics SR-5020
Micros 385-1
Micros 4700 Main
Micros 8700
Micros Autocut 4000
Micros Autocut 4700
Nikko NK-614-1
Nikko NK-614-2
Nikko NK-614-3
Nikko NK-614-4
Nippon Primex NP-610
Olivetti ECR 007
Olympia CM-1920
Olympia CM-1930
Olympia CM-1935
Olympia CM-1936
Olympia CM-2030
Olympia CM-2035
Olympia CM-2130
Olympia CM-2135
Optima Elite 1200 Series
Panasonic JS-130
Panasonic JS-660
Panasonic JS-800
Panasonic JS-7000
Panasonic RM-800
Panasonic WS-800 RM
Panasonic Fast Food PO Ssystem
Royal-Alpha 1750
Royal-Alpha 9170
Royal-Copystar CMS-750
Royal-Copystar CMS-9000
Royal-Copystar CMS-9200
Sanyo ECR 340
Sanyo ECR 358
Sanyo ECR 548
Sharp ER-03 RP
Sharp ER-A430
Sharp ER-A770
Siemens Beetle 20 W/Citizen Ptr
Swintec SW 2250
TEC MA 1300
Towa DL-4P
Towa ET 6120
Towa ET 5416
Towa ET 6420
Towa ET 6420 F
Triumph-Adler CMS-9200
Walther ECR 1210