Path: utzoo!utgpu!watmath!att!tut.cis.ohio-state.edu!mailrus!bbn!usc!apple!apple.com!parent
From: parent@apple.com (Sean Parent)
Newsgroups: comp.sys.mac
Subject: Re: ImageWriter II TEST
Message-ID: <3590@internal.Apple.COM>
Date: 15 Aug 89 22:58:06 GMT
References: 
Sender: usenet@Apple.COM
Organization: Apple Computer, Inc.
Lines: 28

In article  
bannon@andromeda.rutgers.edu.rutgers.edu (Ronald Bannon) writes:
> After pressing the ON/OFF & SELECT switches simultaneously my 
ImageWriter II
> spits out the following message:
> ##########################################
> 
>                 LOOP TEST
>                 
>                 ROMREV(05)
>                 
>                 DIPSW1(00000100)  DIPSW2(1100),'1=ON,0=OFF'
>                 
>                 RAM= 0 KB   AT=OFF
> 
> 
> 
> 
> LOOP BACK TEST FAILS
> 
> ###########################################
> Is the 'LOOP BACK TEST FAILS' normal?

I believe that a special cable is required to run the Loop Back Test. The 
test is most likely to test the serial port and requires a cable that 
Loops back the output to the input.

Sean Parent