Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!bbn!gatech!mcnc!ecsvax!aadm
From: aadm@ecsvax.UUCP (Atkins D. Michael)
Newsgroups: comp.sys.ibm.pc
Subject: Re: cable for IBM-PC/XT to LaserWriter II/NT
Keywords: RS232, COM
Message-ID: <6966@ecsvax.UUCP>
Date: 10 May 89 01:59:10 GMT
References: <1051@umn-d-ub.D.UMN.EDU>
Distribution: usa
Organization: UNC Educational Computing Service
Lines: 7

I just went through same problem! The pinouts are as follows:
      XT       PRINTER
      2            3
[C[C[C[C[C[C[C[D3[C[C[C[C[C[C[C[C[C[C[C[C2
[C[C[C[C[C[C[C[D5[C[C[C[C[C[C[C[C[C[C[C[C[C[C[D[D4
[C[C[C[C[C[C6[C[C[C[C[C[C[C[C[C[C[C[C[D20
[C[C[C[C[C[C[C[D7[C[C[C[C[C[C[C[C[C[C[C[C[C[D7[C[C[C[C[C[C[C[C[Cbest of luck!!