You should connect a Optrex DMF5001 (T6963C) lcd in this way (using original wiring):

LCD PIN -> Description        -> LPT PIN
01      -> Frame Ground       -> Ground    
02      -> Signal Ground      -> Ground
03      -> Vcc                -> 5 volt
04      -> Vadj               -> -15 volt at T=25° 
05      -> Vee                -> -21 volt
06      -> /WR Data Write     -> 1
07      -> /RD Data Read      -> 5 volt
08      -> /CE Chip Enable    -> 14
09      -> C/D                -> 16
10      -> /HALT              -> Not Connected
11      -> /RESET             -> 5 volt
12      -> Data0              -> 2
13      -> Data1              -> 3
14      -> Data2              -> 4 
15      -> Data3              -> 5
16      -> Data4              -> 6
17      -> Data5              -> 7
18      -> Data6              -> 8
19      -> Data7              -> 9
20      -> Not Connected      -> Not Connected