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- Okay, last sub lesson, it's all

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about printer troubleshooting tools

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and maintenance tools.

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And this is gonna be a quickie.

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I just wanted to talk about a couple

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of the things you might want to use

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with your printers.

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And, you know, you have
a printer like this.

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This is an ink jet printer, and it's

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a multifunction device but a device

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like this can usually
do about 10,000 pages

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before you have to really maintenance it.

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The laser printers, and I've
historically been an HP guy.

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I use a lot of the HP printers.

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But it works essentially the same way

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with other manufacturers.

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These laser printers, they might be able

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to handle 50,000 to 100,000 pages

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before they have to be maintenanced.

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Or, you might wanna maintenance
the printer every year.

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And so to do that you want to get yourself

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a maintenance kit and, you know,

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for HP printers, there's maintenance kits

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for all their laser jets and
everything that they make.

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And so you can see down
here, if we go to specs,

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you'll see the average
yield is 90,000 pages

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once you install this and you know,

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that's the yield when you first

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start running the printer as well.

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And it tells you what you get here,

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you get a new roller assembly.

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So you could change out those
entrance and exit rollers.

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A new separation pad, because you know

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that can go bad over time.

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A Mylar shield, and for example,

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this printer has a Mylar shield.

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If you were to open up the top

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where you'd scan the documents,

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there's a Mylar shield there that goes

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across the length of the printer, and

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that shielding is necessary
when you have scanning going on.

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So it comes with a Mylar shield as well

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and an installation guide on
how to work with all these.

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And you might get additional stuff.

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You might get additional rollers or pads

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and other things but generally

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this is what you get in
your maintenance kit.

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And if you're wondering about installing

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any of this stuff, most manufacturers

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of printers have very good forums

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and a very good support page.

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If you don't get an installation guide

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or you lose your installation guide,

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you can go to the website, you know,

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for example the HP
website, and it shows you

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how to change out all these
user replaceable parts:

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separation pads, Mylar
shields, a hard disc

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if there is one, dims, et cetera.

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So here you have the separation pads

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step by step with images.

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Roller covers, the Mylar
shield, it's all here.

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So if you're interested in doing any

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of these things and
maintenancing the printer,

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go to the HP support center
or whatever printer's

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support forums or online documentation

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and you'll get a lot
of good stuff for that.

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So the maintenance kit's really important.

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You wanna do that
generally with the printer,

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a laser printer, every 50 to 100,00 pages.

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It might be more, it might be 200,000.

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You wanna check your documentation

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and see how far your laser printer can go.

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And the next tool is the toner vacuum.

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And here's an example of one by MetroVac.

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This is their DataVac Pro Series.

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And this guy is high
powered and meant to pull

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out all the tiniest little
pieces of dust and debris.

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If you've ever seen toner spill out,

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it just gets everywhere and it's so tiny

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that it's very difficult to pick up even

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with a regular vacuum.

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So you use something like this

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and you can also use
this to clean the insides

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of computers and the
inside of the printers

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and you know electronic equipment,

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as they say, that's sensitive to dust.

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They use specially tipped tools here

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so you won't damage your computer system

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even if you touch something by accident,

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and you won't send a shock
through the components.

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That's what's important.

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And that's why I usually
say don't use a vacuum.

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And what I mean is don't
use a regular old vacuum

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to vacuum out your
printer or your computer.

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You want to use something proper for that,

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that has been designed
to be powerful enough

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yet safe enough to use on there.

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But you still wanna be real careful

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when you do use these.

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Keep in mind devices like this

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might go for two or 300 bucks.

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So that's something else to look for.

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This is a great troubleshooting tool.

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Get all that toner outta the printer

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and you'd be amazed how
much better it works.

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And with a tool like this,
which super filters it,

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it doesn't get all out into the air,

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into the atmosphere. Very important.

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I would still recommend
doing this outside,

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but you do what you can do.

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And the other tool that
(indistinct) talks about

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in the objectives is the compressed air.

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And we showed the compressed air before.

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You wanna have compressed
air to blow the stuff

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out from the crevices
where you can't really get

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to with the vacuum.

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So you blow the stuff out and then you

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can vacuum it out with
your special vacuum.

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And that's a good way of
keeping everything clean.

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And this is a especially important

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in dirty environments,
warehouses, in places

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that may be kitchens, or storage spaces,

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or basements, you know, this is where

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it's gonna be really important

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to use these types of tools.

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So make sure you have your compressed air,

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make sure you have your DataVac, you know

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for your computers and your printers.

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And you can even use this on the inside

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of your mobile devices and laptops

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if you're real careful, you can see

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they give you different
attachments for that.

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And of course your maintenance kits

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for your printers, that's, you know,

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the best thing to do,
to avoid troubleshooting

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in the future, the best thing to do

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is to maintain your equipment.

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Take care of your stuff
and the maintenance kit's

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the best way to do that for the printer.

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So that's it for this sub lesson

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and that's it for the lesson
on printer troubleshooting.

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And that pretty much wraps up the course.

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So I hope you enjoyed it.

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I'm Dave Prouse, and we'll do a wrap up

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after this, but I hope
you enjoyed everything,

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and good luck to you with the exams.