BENTSEN GROVE COMPUTER CLUB
BULLETIN
Week of
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MEETINGS MONDAY ROOM 3 & 3R BEGINNERS PRESENTATION GENERAL MEETING |
SPECIAL
INTEREST GROUPS: If
you would like to meet in a small group to discuss one of the following
subjects, contact the following people.
If
you would like to lead a SIG, discuss it with Val. Our bulletin is also available on line by visiting http://www.bgrcc.com/ and clicking on bulletin. You may also select bulletins by its subject |
NEED
SOME HELP
Click on HELP EMERGENCY
RESPONSE
TEAM
John Abbott…...424-0537 Val Barron…..….519-2319 Harold Buechly..581-3180 Claude Westfall 580-4042 |
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UPCOMING EVENTS: Monday December 8th
2003, 9:30 AM New user lesson, By
Corinne Higbee Click here
to get next week’s lesson, print it and bring to class. Monday December 8th
2003, Door prizes today at beginning of general meeting. Monday December 8th
2003, 10:30 AM General meeting By Val
Barron Click here
to get next week’s tutorial, print it and bring to class. Note: Download and
print both Corinne’s lesson and Val’s tutorial. Both will be used Monday! Monday December 8th 2003, meet at Lin’s
Grand Buffet, |
Barron’s Bytes
By Val BarronEven though I’ve just
finished Sunday lunch, I’m already thinking about going with the club on
Monday to Lin’s Grand Buffet. Jan and I have been there several times
and always enjoyed it. We are supposed to arrive at Lin’s by Digital Photography
Bill Wiese Present a
program for those interested in getting started with digital photography at
the club meeting last Monday. I heard several positive comments about Bill’s
program so I imagine there will be digital cameras under several trees this
Christmas. Avoiding print head burnout
The
print head, which is the engine of your printer and which may or may not be
located inside the cartridge, houses hundreds of tiny, delicate nozzle
assemblies. Each nozzle assembly consists of a tiny ink chamber, a resistor
that controls the flow of ink, walls that guide the ink to the right
position, and a nozzle plate with a hole, from which the ink will be sprayed
onto the printer paper.
After
each time a nozzle fires, a new supply of printer ink is automatically drawn
into its chamber, to be ready for the next time. When the printer is told by
the computer to print a page, the copper circuits on the end of the ink
cartridge send a message to the nozzle's resistor, which then heats the
nozzle's ink supply just enough to cause it to expand and to force a drop of
ink through the nozzle onto the printer paper.
The
ink which flows through each nozzle assembly functions as a lubricant and
coolant for the nozzle: if there is no ink in the chamber when the resistor
turns up the heat, the nozzle assembly will quickly warp and break apart --
the
resistor can reach a temperature of hundreds of degrees very quickly! If the
print head is allowed to begin this process of burnout (i.e. if the ink
cartridge is not refilled or replaced promptly), the damage may range from
poor print quality (streaks or lines across the page, bad coloration, light
or dark patches on the page) to serious damage to the printer.
It is
very important never to attempt to print with an empty ink cartridge. If in
doubt, top off your cartridges frequently (the leftover ink from your inkjet
refill kit can be stored until the next time you top off).
Barry
Shultz, Atlascopy, Inc. http://atlascopy.com
I thought the above information was important enough
to reprint here. Barry does not copyright his newsletters so I’ve giving him
the credit line and including a link to his web sight. Happy Computing
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