9 Jun
2004
9 Jun
'04
1:39 p.m.
On June 9 Michael Sokolov wrote:
1. Are all LaserWriters 100% pure PostScript printers,
speaking nothing
but PS? I know the very original one was, but I'm not sure about whatever
happened later and whatever they make now.
2. Were there any LaserWriters made with duplex printing capability? If
so, what's the earliest duplex LaserWriter?
3. The original LaserWriter had a serial port. But given the assault on
serial ports coming from all directions, I don't expect the current ones
to have one, or do they? When was the last LaserWriter made with a serial
port? Was there ever a LaserWriter new enough to support duplex printing
but old enough to have a serial port?
4. Are LaserWriter serial ports standard EIA-232 DB25 or something Apple
proprietary? If the latter, what kind of adapter would I need to make?
1. - The LaserWriter NTX supports Diablo 630 and also a limited version of a
LaserJet emulator allowing use of Courier, Times, Helvetica in roman, bold,
italic and bold italic; communication needs to be via the printer's RS 232
interface (DB-25) at 9600 baud to use the emulator. My 1988 Apple
LaserWriter Reference text suggests checking the 1986 LaserJet reference for
more info on this, though there's a fair bit on the subject in Apple's own
book.
4. - The original LaserWriter had a 9-pin RS422. Later ones came with a
mini-DIN 8 RS422 plus a DB25 RS 232c. These machines speak AppleTalk over
their mini-DIN 8 ports when that function is selected by DIP switch
positioning - in which case the DB25 serial port is disabled.
In a later post someone suggested avoiding the CX-engined original LW in
favor of the LWII with the SX engine, mostly b/o problems with obtaining
toner - probably a wise suggestion. Plus the SX is indestructible - mine's
been in service since 1989. Total cost of repairs over 15 years of light to
moderate use: $26 for a new ozone filter.
I'll be glad to scan any material from the LW reference anyone may
want/need.
Seth Lewin
10 Jun
10 Jun
10:54 a.m.
In a later post someone suggested avoiding the CX-engined original LW in
favor of the LWII with the SX engine, mostly b/o problems with obtaining
toner - probably a wise suggestion. Plus the SX is indestructible - mine's
Actually, the CX engine is even more solid than the SX (I have a CX-VDO
printer on my PERQ [1]). It's also easier to repair in some ways -- it's
less modular (the SX comes apart into modules in about 10 minutes), but
small parts on the CX tend to be easier to replace.
been in service since 1989. Total cost of repairs over
15 years of light to
moderate use: $26 for a new ozone filter.
I have an SX printer (actually an Apple Laserwriter II NT) on this PC.
I've used it _a lot_ (I printed all the versions of my Ph.D. thesis on
it, the master copies of the HP48 I2C manual, etc, etc, etc). I've been
using it solidly for getting on for 10 years. In that time all it's
needed was a new pickup roller and pad (and it wasn't new when I got it!).
-tony
7:52 p.m.
On Thu, 10 Jun 2004 23:54:11 +0100 (BST)
ard(a)p850ug1.demon.co.uk (Tony Duell) wrote:
I have an SX printer (actually an Apple Laserwriter II
NT) on this PC.
I've used it _a lot_
A long time ago I got a Laserwriter II NT with 320000
copys on the
engine. The engine is specified for a lifetime of 300000 copys. It
needed a new pickup roller but the rest of it worked still well. Later I
replaced it with a Laserwriter II g. PS Level 2, HPPCL, RET, faster CPU
and Ethernet.
--
tsch??,
Jochen
Homepage: http://www.unixag-kl.fh-kl.de/~jkunz/
14 Jun
14 Jun
8:56 a.m.
I am also a big fan of the Laserwriter II series, and even now have people
contact me to buy the IIg upgrade boards (faster cpu, but the key is
ethernet). In any kind of mixed environment of PC and mac I think people
are much better off with a HP Laserjet with a fast comm plugin and
postscript. I use a 4P and its so reliable and cheap compared to inkjets
etc I doubt I will ever let it go. OTOH the II series is so EASY to fix,
and not that much a drop in print quality and speed.
10 Jun
10 Jun
12:13 p.m.
New subject: Pertec PCC-2000
I've been corresponding with someone who owns a Pertec PCC-2000 S-100
system. He's looking for detailed technical information. Does anyone here
have spec sheets or documentation.
--Mike
7:10 p.m.
New subject: Pertec PCC-2000
On Thu, 10 Jun 2004, Michael Nadeau wrote:
I've been corresponding with someone who owns a
Pertec PCC-2000 S-100
system. He's looking for detailed technical information. Does anyone here
have spec sheets or documentation.
Hi Mike.
I've got one of these beasts. He's called Herbie. The previous owner
named him that and always referred to him in first person. I got Herbie
from the owner's daughter when the owner fell ill.
I got software and
documentation along with Herbie but it would take me a while to
find it
and dig it out.
--
Sellam Ismail Vintage Computer Festival
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ard＠p850ug1.demon.co.uk -
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