I got that too:

Mini-DIN 8   DB-25    DB-9

1  DSR        6**     6

1  DCD        8**     1

2  DTR       20       4

3  RxD        3       2

4* GND        7       5

5  TxD        2       3

6 NC

7 NC

8* GND

Shield       Shield

*Connect together at Mini-DIN 8

**Connect together at DB-25

DB-9 specs weren't in the Imagewriter manual, I looked up the pin out online.