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Re: Canon Fax machines]



Andrew CROKE wrote:
> 
> Martin Renters wrote:
> >
> > > Can someone please tell me what it is about Canon fax machines that makes them
> > > stand out as having a reputation for being troublesome when talking to modems
> > ?
> > > (i.e. limiting the baud rate in the /var/spool/fax/etc/config file)
> > > Are there other issues with this make of fax that can cause problems ?
> >
> > It isn't clear what exactly the problem is, but Canon fax machines do
> > not appear to like to talk to Multitech modems reliably at 14,400 with
> > 2-D encoding.  It may be a Canon problem, or it may be a Multitech
> > problem.  Multitech is unable/unwilling to pursue this (I spent about
> > a week providing them with traces, etc).
> >
> > Martin

Canon have their own compression that they try to force. This may be a
problem. What is that you are seeing? Any odd negotiation?

--
Andrew Croke         Fax: +61 (0)3 9347 5887
P.O Box  451         Mob: +61 (0)411 511 160
North Melbourne 3051
a.croke@ugrad.unimelb.edu.au  (academic)
andrew.croke@awamarine.com.au (commercial)

-- 
Andrew Croke         Fax: +61 (0)3 9347 5887
P.O Box  451         Mob: +61 (0)411 511 160
North Melbourne 3051
a.croke@ugrad.unimelb.edu.au  (academic)
andrew.croke@awamarine.com.au (commercial)


Martin Renters wrote:
> 
> > Can someone please tell me what it is about Canon fax machines that makes them
> > stand out as having a reputation for being troublesome when talking to modems
> ?
> > (i.e. limiting the baud rate in the /var/spool/fax/etc/config file)
> > Are there other issues with this make of fax that can cause problems ?
> 
> It isn't clear what exactly the problem is, but Canon fax machines do
> not appear to like to talk to Multitech modems reliably at 14,400 with
> 2-D encoding.  It may be a Canon problem, or it may be a Multitech
> problem.  Multitech is unable/unwilling to pursue this (I spent about
> a week providing them with traces, etc).
> 
> Martin

Canon have their own compression that they try to force. This may be a
problem. What is that you are seeing? Any odd negotiation?
-- 
Andrew Croke         Fax: +61 (0)3 9347 5887
P.O Box  451         Mob: +61 (0)411 511 160
North Melbourne 3051
a.croke@ugrad.unimelb.edu.au  (academic)
andrew.croke@awamarine.com.au (commercial)





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