This sheet linear scale is suitable for Roland SP-540V printers. This is the original Roland part (number 21475188). This encoder is 2057 mm long and 15 mm wide.
 
This part has been discontinued by manufacturer, with no replacement.
As an alternative, we suggest our high quality Generic 180 Linear Encoder Scale (5m) :
This 180 LPI generic Linear Encoder Scale is suitable for most Roland and Mimaki printers. This high quality 175 micron polyester encoder is made in Japan, it is 5000mm long and 15mm wide. It is compatible with all the 180 LPI optical read heads. This encoder strip can be easily cut to size and the holes can be punched prior to installation.