This kit will repair the following duplex units:10G0802 DUPLEXER 250 SHEET, T610 T612 T520
10G0800 DUPLEXER 250 SHEET T630
11K0721 DUPLEXER 250 SHEET
43H5103 DUPLEXER 250
56P1414 DUPLEXER 250 SHEET
99A1146 DUPLEXER 250 SHEET
99A1156 DUPLEXER 250
10G0801 DUPLEXER 500 SHEET T632 T634
11K0722 DUPLEXER 500
56P0555 DUPLEXER 500
56P1416 DUPLEXER 500
99A1147 DUPLEXER 500
20G0888 DUPLEX OPTION 500 SHEET
20G0880 DUPLEX OPTION 500
56P4102 DUPLEX OPTION 500
20G0887 250 SHEET DUPLEX UNIT
56P4100 250 SHEET DUPLEX UNIT T640