Re: [hylafax-users] Bad first one and last five lines in class 2.0

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

On 2004.03.19 01:18 DanB wrote:
> Hello,
>
> First, the setup:
>
> - hylafax 4.1.8
> - USR Courier V.Everything
>  Supervisor date        12/02/98
>  DSP date               09/09/98
>  Supervisor rev         7.6.7
>  DSP rev                3.1.2
> - sending a 3-page document from Canon iR2200 machine
>
> Using class 2.0 the following errors appear at each page. Every time 
> the first line has an extra pixel and the last five are empty.
>
> <-- data [1]
> RECV/CQ: Bad 1D pixel count, row 0, got 1729, expected 1728
> RECV: 32751 bytes of data, 466 total lines
> RECV: 32766 bytes of data, 977 total lines
> RECV/CQ: Bad 1D pixel count, row 1014, got 0, expected 1728
> RECV/CQ: Bad 1D pixel count, row 1015, got 0, expected 1728
> RECV/CQ: Bad 1D pixel count, row 1016, got 0, expected 1728
> RECV/CQ: Bad 1D pixel count, row 1017, got 0, expected 1728
> RECV/CQ: Bad 1D pixel count, row 1018, got 0, expected 1728
> RECV: 1958 bytes of data, 1019 total lines
>
> Will test with another sending fax when available; until then - is 
> this hylafax or the canon?

The first line having an extra pixel is probably the responsibility of 
the Canon.

The last five lines being empty is what is known as an RTC signal 
(signals end-of-page).  The fact that HylaFAX doesn't recognize this 
and adjust the line count was a bug in HylaFAX; it is fixed in current 
CVS HEAD (to become 4.2.0).

> Using class 1 first page is (more or less) ok but the following pages 
> are completely garbled. Repeated the test three times, same result.

Can you post a session log from Class 1?

> This does not affect me too much as long as class 2.0 works pretty 
> good.

Eventually you'll probably run into the problems.

Lee.

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