Re: Canon PJ-1080A

Hi Jason,

I'd try it with James's recommended modifications, plus whatever else you can derive from the sources he cited.

I'm going to try again with James's input when I get home from work. Will post updates here...

--Tom

On Thu, Dec 11, 2014 at 10:39 AM, Jason Perkins <perkins.jason_at_email.domain.hidden> wrote:

> Tom,
>
> Perhaps I should try such a wiring adapter with my DMP? I can't imagine
> there were any active parts in the Apple parallel printer cable.
>
> Could someone with a working parallel printer cable confirm the pinout Tom
> posted?
>
> Thanks!
>
> -J
>
> On Wed, Dec 10, 2014 at 10:41 PM, Tom Stepleton <stepleton_at_email.domain.hidden>
> wrote:
>
>> Report: no joy with the adaptor as written.
>>
>> One difference this time is that the Lisa takes a lot longer to decide
>> that it's having trouble talking to the printer than it did before. With a
>> "straight" cable, the Lisa's error dialog came up immediately. With the
>> adaptor, the delay takes several minutes.
>>
>> I suspect that all new behavior has to do with my inverting or not
>> inverting certain essential signal lines. In particular, I note that
>> Wikipedia says that parallel ports have a \BUSY pin (inverted), while the
>> schematics James linked to show a BUSY pin (not inverted?). The Lisa might
>> be waiting several minutes for the printer to change the state of BUSY, and
>> timing out when that never happens.
>>
>> Other factors may involve the cabling (about 1m unshielded ribbon to a
>> patch box with spaghetti wiring implementing the adaptor, then 2.5m
>> shielded cable to the printer---continuity checks OK, but there could be
>> RF+other interference).
>>
>>
>> The printer also beeps at the beginning of every printout attempt, as
>> well as on power-up and during boot. I suspect that this is because the
>> Lisa is lowering \RESET during those moments, which "reboots" the printer.
>> This may not be a problem.
>>
>> I may have to postpone Lisa connectivity to this printer until such time
>> as Santa gives me a logic analyzer... unless someone knows better or has
>> some useful reference :-)
>>
>> Cheers,
>> --Tom
>>
>>
>> On Wednesday, December 10, 2014 8:13:34 PM UTC-5, Tom Stepleton wrote:
>>>
>>> Wow. Not that anyone would suspect it, but you are not kidding. Based on
>>> those resources, here is my first stab at what an adaptor would look like.
>>> XX means leave unconnected. "PC parport" means a DB25 female port that you
>>> could plug PC printers into.
>>>
>>>
>>> *Lisa PC*
>>> *par- par-*
>>> *port port Remarks*
>>> *---- ---- -------*
>>> * 1 - 18 GND*
>>> * 2 - 19 GND*
>>> * 3 - XX {Lisa R/W, always W for printer}*
>>> * 4 - 20 GND*
>>> * 5 - 2 DATA_0*
>>> * 6 - 3 DATA_1*
>>> * 7 - XX {Lisa unused, not connected}*
>>> * 8 - 4 DATA_2*
>>> * 9 - 21 GND*
>>> * 10 - 22 GND*
>>> * 11 - 7 DATA_5*
>>> * 12 - 8 DATA_6*
>>> * 13 - 9 DATA_7*
>>> * 14 - 23 GND*
>>> * 15 - 1 /STROBE*
>>> * 16 - 11 /BUSY (may need to be inverted!)*
>>> * 17 - XX {Lisa CMD, unused by printer}*
>>> * 18 - XX {Lisa parity, unused by printer}*
>>> * 19 - 18 {Lisa open cable detect, must be low; tie to ground*}*
>>> * 20 - 24 GND*
>>> * 21 - 16 /RESET (may need to be inverted!)*
>>> * 22 - 5 DATA_3*
>>> * 23 - 6 DATA_4*
>>> * 24 - 25 GND*
>>> * 25 - 15 {Lisa /CHK printer fault (may need to be inverted!)}*
>>>
>>> * IDEFile uses this trick.
>>>
>>> Guess I'll give it a whack...
>>>
>>> --Tom
>>>
>>> On Wednesday, December 10, 2014 4:47:08 PM UTC-5, James MacPhail wrote:
>>>>
>>>>
>>>> It looks like the parallel port pinout of the Lisa is not the same as
>>>> the typical PC DB-25 parallel port, so a different cable will be
>>>> required...
>>>>
>>>> PC:
>>>>
>>>> http://upload.wikimedia.org/wikipedia/commons/e/e1/25_Pin_
>>>> D-sub_pinout.svg
>>>>
>>>> Lisa: (last page of)
>>>>
>>>> https://ia601602.us.archive.org/17/items/bitsavers_
>>>> applelisasarallelInterfaceCard_668809/029-0176-A_Lisa_
>>>> Parallel_Interface_Card.pdf
>>>>
>>>>
>>>> >I just got a Canon PJ-1080A, known in Lisa-land as the "Canon Ink
>>>> >Jet Printer." No manual was included.
>>>>
>>>> >I haven't had any success getting the Canon to work
>>>>
>>> --
>> --
>> -----
>> You received this message because you are a member of the LisaList group.
>> The group FAQ is at http://lowendmac.com/lists/lisa.html
>> To post to this group, send email to lisalist_at_email.domain.hidden
>> To leave this group, send email to lisalist+unsubscribe_at_email.domain.hidden
>> For more options, visit this group at
>> http://groups.google.com/group/lisalist
>> ---
>> You received this message because you are subscribed to the Google Groups
>> "LisaList" group.
>> To unsubscribe from this group and stop receiving emails from it, send an
>> email to lisalist+unsubscribe_at_googlegroups.com.
>> For more options, visit https://groups.google.com/d/optout.
>>
>
>
>
> --
> Jason Perkins
> 313 355 0085
>
> --
> --
> -----
> You received this message because you are a member of the LisaList group.
> The group FAQ is at http://lowendmac.com/lists/lisa.html
> To post to this group, send email to lisalist_at_email.domain.hidden
> To leave this group, send email to lisalist+unsubscribe_at_email.domain.hidden
> For more options, visit this group at
> http://groups.google.com/group/lisalist
> ---
> You received this message because you are subscribed to a topic in the
> Google Groups "LisaList" group.
> To unsubscribe from this topic, visit
> https://groups.google.com/d/topic/lisalist/UkF3J1jNTew/unsubscribe.
> To unsubscribe from this group and all its topics, send an email to
> lisalist+unsubscribe_at_googlegroups.com.
> For more options, visit https://groups.google.com/d/optout.
>

-- 
-- 
-----
You received this message because you are a member of the LisaList group.
The group FAQ is at http://lowendmac.com/lists/lisa.html
To post to this group, send email to lisalist_at_email.domain.hidden
To leave this group, send email to lisalist+unsubscribe_at_email.domain.hidden
For more options, visit this group at http://groups.google.com/group/lisalist
--- 
You received this message because you are subscribed to the Google Groups "LisaList" group.
To unsubscribe from this group and stop receiving emails from it, send an email to lisalist+unsubscribe_at_googlegroups.com.
For more options, visit https://groups.google.com/d/optout.



text/html attachment: alternate version of message