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UPS: "Do not connect laser printer..."

K

krw

Jan 1, 1970
0
We kept it 'wet' by having it corked into the boiling tube as soon as it was
made. I don't know what the carrier liquid in Handy Andy was, but that was
what was keeping it wet. Whatever it was, quite volatile though, as it
didn't stay wet for long once a dollop had been splatted onto the floor.

Don't know what that is either. We always used ammonia water, so the
carrier was - water. Iodine isn't soluble in water but it is in
alcohol. Alcohol replaces the water in the NTI, so...
How bizarre ! I too had a set of keys in my last year. At the end of the
previous year, we had a hot drinks machine installed in an open area under
our physics block, which was built on 'stilts'. By the side of the machine,
was a door which led to a cellar that backed onto the boiler room. The water
supply for the drinks machine came from in there. At the start of the autumn
term after the long summer holiday, myself and my little gang of
'troublemakers' - well, it seemed like we were at the time, but kindergarten
stuff compared to what you see in the papers and on TV now - were not far
away from the machine when the caretaker unlocked the door to go in and turn
on the water supply. He left the keys in the lock, and one of my 'merry men'
, who is now a senior pilot at one of the biggest airlines in the world,
crept up and removed the whole bunch. Afterward, he was terrified of being
caught with them, so he gave them to me for safe keeping. We had a lot of
fun that year, getting into places we shouldn't have been ...

I was the property master for the marching band. One of the previous
PMs was given the task of duplicating some keys for the building when
it was new. The keys were stamped "do not copy", but no one ever
looked. The key was passed down from PM to PM thereafter. Only PMs
ever knew the key existed.
I bet if I looked through all of my junk, I've still got them somewhere !

I "passed it on" when I graduated. I had an outdoor key (had access
to all the indoor keys as part of my job) to our EE building in
college, acquired much the same way. Even though the university
thought it was a "secure" lock, the key blank was identical to a
common house key.
Well, not really, but it's all been a very long time ago now. You leave
school, go to college, grow up a bit, get married, raise kids, and become a
responsible citizen :-( Then you start to get old, and become a grump,
remembering what a good bloke you were back in the day. Guess I'm close to
slipping into that phase now. Grown up kids look at me like I'm mad when
they see me with an iPod stuck in my lugholes, listening to the likes of
Uriah Heep and Dr John ...

My kid is 30 now. ;-) I usually listen to Bill Bennett on my MP3
player, though Moody Blues, Doors, ELP, and BS&T are on there too. ;-)
 
J

Jupiter Jaq

Jan 1, 1970
0
Too cryptic for me this time of night ... A blunt what ... ? Knife ?
Instrument ? :)

Arfa
Damn. I forgot the era.

A DOOBIE!
 
W

William Sommerwerck

Jan 1, 1970
0
And we have the brass neck to lecture *our* kids about responsible
I suspect you speak the truth Dave ...

Sorry, but I disagree. The US has been on a downhill path ever since it
decided, after WWII, that children would rule this country.
 
J

Jupiter Jaq

Jan 1, 1970
0
Errr, nope, not with that one either ... An 'Americanism' that I'm not
familiar with, maybe ? ):-|

Puzzled Arfa ...

A friggin' joint! A SPLEEF.

Or, as was said in "The Magic Christian" Damnable Wog Hemp!
 
J

Jupiter Jaq

Jan 1, 1970
0
Cheap cigar unstuffed, contents replaced with a mix of cigar tobacco
and Cannabis.

Does not always involve tobacco, nor does it require any... at all.
 
F

FatBytestard

Jan 1, 1970
0
After that, the operating current of the
laserjet is well withing the current limitations of a common #14AWG
power cord. Try it. Does the cord get warm when furiously printing?
Probably not.

Most 10A IEC line cords use around 20 Ga for the conductors, which is
also a borderline choice IMNSHO.

Whenever a company I am working for goes to throw out the old crap, I
look for heavier gauge IEC line cords every time.

I hate those paper thin jobs that are so proliferant.
 
F

FatBytestard

Jan 1, 1970
0
. Yet, used carefully and with properly
selected inks that do not clog easily they work fine


I do not want to send print jobs, being sure to do so "carefully". I
want to hit print, and get print, without ANY "extra care". That is
pathetic.

I also have yet to see an Epson that did not have nozzle clog issues,
and use up half your ink flooding them out in attempts to clear them.

Absolutely pathetic print engine paradigm.
 
F

FatBytestard

Jan 1, 1970
0
I have been
using refills for all my Epsons and it turns out a lot cheaper than
HPs and works great.

If you print so much that you have to run around trying different inks,
and finding ways to economize your print tasks, it sounds to me like you
print enough to warrant a Laser printer.

Oh Boy! All problems have ceased! AND I can print 3000 pages or more,
which is abso-fucking-lutely impossible on an ink jet printer. (he
declared)

Use your brain properly and get enough sense to know that you should be
printing to a laser printer. You could have probably paid for one twice
by now, and would still be saving money.

Also, laser printers have become dirt cheap. They are the de facto
standard for a business that actually has a lot of print tasks to do.

They also carry a higher resale value, and jet printer depreciate to
zero very quickly.
 
F

FatBytestard

Jan 1, 1970
0
Googling for "IEC 320 C13 AWG" yields lots of #18AWG cords, and
nothing else.

It is just very flimsy 18Ga, soft PVC. Give me 16ga or higher any day.
 
R

Rich Grise

Jan 1, 1970
0
No. Ammonium tri-Iodide and Nitrogen Tri-Iodide are the traditional
unstable contact explosive. Great fun in high skool and college
blowing things up. It was also probably the origin of the term
"purple haze". It's fairly easy to make and equally easy to have a
spectacular accident.
<
>

What ever happened to fulminate of mercury?

Thanks,
Rich
 
B

Bob Larter

Jan 1, 1970
0
Meat said:
What about not being a bubble jet printer? Aren't all HP print
cartridges equipped with a bubble jet print head?

You're confusing BubbleJets (Canon) with InkJets (HP/Epson). The former
use a heating element per pixel, the latter use a piezo element.
 
B

Bob Larter

Jan 1, 1970
0
Jeroni said:
This is not true, all Epsons I have seen and repaired park the heads a
few seconds after the last print job.


Yes, yet old style Epsons (like Epson stylus 500, color II, stylus
pro, etc) allowed to clean B/W and color separately and they really
did separately, those old printers were very realiable if used with
proper inks and almost never clogged. This started to decay after the
stylus color 400 when they redesigned all and made b/w and color
injectors the same block. Yet, used carefully and with properly
selected inks that do not clog easily they work fine. I have been
using refills for all my Epsons and it turns out a lot cheaper than
HPs and works great.

I have found Epson printers are very sensitive to their environment,
place it near something warm (for example on top of a PC) or where air
circulation is likely and you are going to face lots of clogs. On the
other hand if you place in a cool (ambient temp) non ventilated place
you can have it turned off for months and it will work straight.

Yep. I've found the same thing.
 
B

Bob Larter

Jan 1, 1970
0
Meat said:
The fuser in the older HP lasers was on even waiting for a print job.
There was a thermostat on the lamp strip inside the roller to keep the
fuser roller at a constant temp.

Yes, that's correct. (Fixed hundreds of them, back in the days.)
 
W

William Sommerwerck

Jan 1, 1970
0
The original HP inkjet printer was called a Thinkjet -- thermal inkjet.

I don't know what system HP currently uses.
 
G

greg

Jan 1, 1970
0
Meat said:
So an HP head shoots drops of ink instead of bubbles. Got it.

They both shoot out drops of ink, but one of them
does it by by creating bubbles inside the ink, and
the other just squeezes the ink.

Shooting out bubbles would be interesting...
Bubble-gum printer, anyone?
 
B

Bob Larter

Jan 1, 1970
0
Meat said:
First Laserjet printer I owned was a 4+. Snagged it from a client who
was going to dumpster it after I installed a LJ 6p. The 4 had a high
print count maybe upawards of 50k but after a good cleaning including
inside the laser assembly prism and spreader lens it worked perfect
and I've been using it for 7 years now :)

The older engines are by far the best. I've seen Canon SX engine
printers (eg; the HP Series 2) still going strong at half a million
prints. Dust 'em out every now & then, scrub the rollers with acetone
every couple of years, & they last forever. I heard of one unit (in a
police department) that was still going strong at 1.5 million prints.
The MX engines are pretty good too, but the SX engine is still the king.
 
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