This fan A35577 is suitable for Roland AJ-1000 printers. This is the original Roland part (number 1000000764).
 
Printer compatibility
Roland AJ-1000
Roland AJ-740
Roland LEC-300
Roland LEJ-640
Roland RA-640
Roland RE-640
Roland RF-640
Roland RF-640a
Roland RS-540
Roland RS-640
Roland SP-300i
Roland SP-540i
Roland VP-300
Roland VP-300i
Roland VP-540
Roland VP-540i
Roland VS-300
Roland VS-300i
Roland VS-420
Roland VS-540
Roland VS-540i
Roland VS-640
Roland VS-640i
Roland XC-540
Roland XC-540mt
Roland XJ-640
Roland XJ-740
Roland AJ-1000i
Roland XJ-540
Roland AJ-740i
Roland XR-640