This generic linear encoder board is suitable for Roland SJ-1000 printers.
It corresponds to Roland part number 6700909050 replacing W700105710. The cable of this generic linear encoder board is 23cm long.
 
Printer compatibility
Roland AJ-1000
Roland AJ-1000i
Roland AJ-740
Roland AJ-740i
Roland AJ-740vkit
Roland SJ-1000
Roland SJ-1045ex