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When you click on “Print”…
Posted in: Printers, blog by Jack on 2 March 2010

- Image by jared moran via Flickr
When you click on a button to print, there is a sequence of events that take place:
- The software application you are using sends the data to be printed to the printer driver.
- The driver translates the data into a format that the printer can understand and checks to see that the printer is online and available to print.
- The data is sent by the driver from the computer to the printer via the connection interface (parallel, USB, etc.).
- The printer receives the data from the computer. It stores a certain amount of data in a buffer. The buffer can range from 512 KB random access memory (RAM) to 16 MB RAM, depending on the model. Buffers are useful because they allow the computer to finish with the printing process quickly, instead of having to wait for the actual page to print. A large buffer can hold a complex document or several basic documents.
- If the printer has been idle for a period of time, it will normally go through a short clean cycle to make sure that the print head(s) are clean. Once the clean cycle is complete, the printer is ready to begin printing.
- The control circuitry activates the paper feed stepper motor. This engages the rollers, which feed a sheet of paper from the paper tray/feeder into the printer. A small trigger mechanism in the tray/feeder is depressed when there is paper in the tray or feeder. If the trigger is not depressed, the printer lights up the “Out of Paper” LED and sends an alert to the computer.
- Once the paper is fed into the printer and positioned at the start of the page, the print head stepper motor uses the belt to move the print head assembly across the page. The motor pauses for the merest fraction of a second each time that the print head sprays dots of ink on the page and then moves a tiny bit before stopping again. This stepping happens so fast that it seems like a continuous motion.
- Multiple dots are made at each stop. It sprays the CMYK colors in precise amounts to make any other color imaginable.
- At the end of each complete pass, the paper feed stepper motor advances the paper a fraction of an inch. Depending on the inkjet model, the print head is reset to the beginning side of the page, or, in most cases, simply reverses direction and begins to move back across the page as it prints.
- This process continues until the page is printed. The time it takes to print a page can vary widely from printer to printer. It will also vary based on the complexity of the page and size of any images on the page. For example, a printer may be able to print 16 pages per minute (PPM) of black text but take a couple of minutes to print one, full-color, page-sized image.
- Once the printing is complete, the print head is parked. The paper feed stepper motor spins the rollers to finish pushing the completed page into the output tray. Most printers today use inks that are very fast-drying, so that you can immediately pick up the sheet without smudging it.
(Courtesy of How Stuff Works)
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Inkless Printing and the future of CWSD
Posted in: blog, store by Jack on 1 March 2010
A customer the other day asked if we would go out of business if the major printer manufacturers developed a printer that didn’t use ink or toner.
I told him that no, we would be in no danger of going out of business. We know this because the inkless printing “revolution” began around two years ago and has yet to make any significant impact on consumers.
Zink is perhaps the best known application of inkless printing. Polaroid has also explored the concept of printing without ink. For an overview of how inkless printing works, check out howstuffworks.com.
The problem with the current state of inkless printing is the very thing that makes it possible, the paper. Just about anywhere you go in America there is a store that sells ink and/or toner cartridges. No matter where you live you can buy paper for your printer. But what happens if you’re in need of the special ink-embossed paper for your inkless printer and the only way you can get it is on the internet. No major problem if you’re at home. But what if you’re on vacation or visiting relatives? Will the supplier ship to a temporary address? How long will you have to stay in one place in order to get the paper shipped to you?
And what if the majority of printing you do is receipts, recipes and email? Is it worth paying a premium price for ink-embedded paper for those mundane tasks?
Also consider the inkless printer. Most of the designs envision a 4″x6″ form factor, meaning if you want to make an 8.5″x11″ print you’ll need to export your images to a flash memory card and transfer them to a full-sized printer.
Inkless printing may indeed be the future but it’s not ready for primetime just yet. Even when it is, many users will be sticking to their “old fashioned” ink and toner printers for quite a while. We see this in technology every day. Windows XP is still the most popular version of the Windows operating system in use today even though two newer versions, Vista and Windows 7, have been introduced since XP was released. Many individuals and businesses operate on the “if it ain’t broke don’t fix it” principle. They’ve gotten used to XP and see no compelling reason to upgrade, especially when that requires buying newer hardware and having to reinstall programs.
CWSD will be supporting those who are still using ink and toner printers for many years to come. We still have customers using some of the very first HP laser printers designed for home use.
If anything our customer base is growing rapidly. Last year was our most profitable year yet, and this year is starting off just as strong. Businesses that once were content to pay for expensive service contracts with office supply stores or printer manufacturers have had to re-examine their budgets and face the fact that they can no longer justify paying a premium price for something that they could just as easily buy from us without sacrificing quality yet save 35% or more in cost.
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Print a lot? Go XL
Posted in: Productivity, blog by Jack on 4 February 2010
Many printer manufacturers these days are offering their customers an option when it comes to cartridge volume; newer printers often accept both low yield and high yield cartridges. High yield, sometimes labeled as XL, cartridges contain twice to three times as much ink or toner as the low yield version. If you do a lot of printing, an XL cartridge will last longer and reduce the number of times a month you have to come in for refills.
HP is leading other manufacturers in offering high yield ink and toner cartridges. They currently offer XL versions of their #60, #74 & 75, #88, #901, #920 and #940 ink cartridges and many of their laser cartridges (denoted by an “X” at the end of the cartridge number; C7115x, the high yield version of the C7115A). A few other manufacturers have followed suit, but HP has the largest selection of high yield cartridges.
If you print frequently or in large quantities you should consider purchasing XL or high yield cartridges for your printer if they are available. They may cost a bit more up front, but your overall cost-per-page will be lower. You will also reduce the risk of running out of ink or toner in the middle of a large print job.
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Ink costs more than blood
Posted in: blog, store by Jack on 13 January 2010
Ink is the most expensive component in a printer cartridge.
Even our replacement ink, manufactured by Cartridge World specifically for its franchise locations, costs us over $100 a gallon.
Now the price of ink is increasing again, and while we regret having to do this, we are finding it necessary to slightly increase our prices to cover the additional cost.
Up until now we have been able to keep the majority of our prices static for the six years we’ve been open. Even as costs were increasing we preferred to reduce profit margins rather than raise prices. We could afford to do that because of the increased volume of sales we were enjoying, due in large part to the word-of-mouth recommendations from our current customers.
But now we’ve reached a point where we simply have to add a dollar or two to the price of a wider range of our cartridges just to cover the cost of materials.
We still offer a substantial savings over the cost of OEM cartridges from an office supply store or directly from the printer manufacturer. There’s simply no need to pay for your printer over again every time you buy a round of cartridges.
Not only do we offer you cartridges that are guaranteed to work to your satisfaction but we offer you a savings of between 30 and 50% off retail prices, depending on the cartridges you purchase.
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HP opens online store for web-connected printer
Posted in: blog by Jack on 8 September 2009
In June we posted a story about the latest HP printer technology, a printer that connects directly to the internet. The HP Photosmart Premium with TouchSmart Web, available soon in stores near you comes equipped with a 4.33″ touch-screen and the ability to surf the web like a miniature PC.
Now HP is announcing the opening of their “app store”, similar in nature to Apple’s app store for iPhones. You’ll be able to directly download applications for your printer like maps, weather reports and food and movie reviews. The apps will work with your printer, allowing you to print out movie tickets and dinner reservations. There will even be games you can download and print out.
Justin Yu at Cnet presents an over-view of HP’s app store and has posted a few screen shots as well.
In a similar fashion to Apple’s iPhone App store, HP’s version can also be accessed using the “Get More” button on the large 4.33-inch touch screen. I had a chance to preview the store in a live demo with HP and the layout is very simple, with small icons and a place to submit user ratings, reviews, and suggestions for future applications. The marketplace is already populated with several applications from HP’s partner companies. Some examples include:
- Snapfish: View, edit (lightly), and print your snapshot photos
- Google Maps: Print maps and directions
- Fandango: Buy and print movie tickets
- DreamWorks Animation: Print coloring pages and movie-themed games for the kids
- Weathernews Inc: Print up-to-date weather information
- Web Sudoku: Print out puzzles and games
HP also has the last piece of the puzzle in the form of the HP Software Developers Kit that will eventually give consumers and developers the tools to create their own Apps for submission to the App Studio. In the meantime, HP will continue to update the store with new apps throughout the year.
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Why we can’t pay top price for your unused OEMs
Posted in: blog by Jack on 31 July 2009

- Image by dmscvan via Flickr
Several times a week we get calls from folks asking if we’ll buy their unopened OEM (Original Equipment Manufacturer) cartridges.
Usually it’s because they have been keeping a few backup cartridges on-hand. When their printer dies, they have a few unopened and unused original cartridges. They often paid full retail price for these and are looking for a way to recover a portion of their purchase price.
There are several reasons we cannot buy these at or near their full retail price.
- They are often past the pull date printed on the box
- We cannot know how they were stored or what condition the cartridge may be in
- We cannot resell them as new cartridges since we can’t determine their condition
- We have approved and authorized channels through which we purchase OEM cartridges when we need them, which isn’t often.
People shop at CW San Diego expecting to find quality refilled and remanufactured cartridges at a substantial savings. We seldom get customers looking for OEM product.
As a result, the only value an OEM cartridge has for us is the external shell. To use any OEM cartridge, we first have to clean out all the original manufacturer’s ink or toner before filling it with our own. We do purchase empty cartridges from a variety of sources. Those cartridges we need and that are in excellent condition we give store credits for in the amount of $1 (inkjet) or $3 (laser).
If you have unused OEM cartridges that you’re looking to recoup more than that from selling, we suggest you list them on Craigslist or perhaps your business’s internal bulletin board. There may be someone who would jump at the chance to save a couple of dollars for an original cartridge for their printer.
World’s first web-connected printer
Posted in: Printers, blog by Jack on 22 June 2009
Looking to make the wild and not-entirely-wondrous world of printers exciting for the first time in decades, HP has just unveiled the “world’s first web-connected printer.” If you’re wondering how it plans on accomplishing such an impossible mission, let us just say this: the Photosmart Premium is going the way of the widget. Up on the 4.33-inch front panel is Touchsmart Web, a touchscreen interface with several bundled, online apps to accommodate usual paper-friendly tasks such as printing Google maps, tickets from Fandango, coupons, recipes, Sudoku, etc. There’s even a full-on HD Apps Studio just in case downloading new apps on one’s printer really becomes the new hotness. The API’s being made open for the entire realm of developers, but we have to wonder what kind of interest we’ll see here. Pricing is set for $399…

HP Photosmart Premium with TouchSmart Web is the world’s first Web connected home
printer. Powered by touch and empowered by the Web, this sleek device provides quick,
simple touchscreen access to important, useful and personal online content.(1) With the
largest LCD touchscreen of any all-in-one inkjet printer (4.33-inches), the HP TouchSmart
Web control panel conveniently connects users to the Web via pre-loaded HP apps.
Part of an entirely new Web-based printing platform, these apps enable easy printing of
maps, coupons, movie tickets, recipes and more from partners including Google,
DreamWorks Animation, Fandango and Coupons.com, among others.Users can also connect to Snapfish and directly from the HP Photosmart Premium with
TouchSmart Web, which saves time and enables customers to archive or print photos
from the site like never before… just touch, print and go. People additionally can
access projects from the HP Creative Studio.A versatile printing solution with print, fax, copy and scan functionality, the HP
Photosmart Premium with TouchSmart Web is perfect for multi-tasking households –
meeting all their high-quality home printing needs in one premium product, from laserquality
text to lab-quality photos. With a full range of wired and wireless connectivity
options, this printer provides the freedom and flexibility to print directly from Wi-Fi
enabled PCs, Bluetooth®-enabled devices, the iPhone™ and the iPod touch™ using HP
iPrint Photo. Expected to be available for purchase September 2009 in North America.
Click over to Engadget for a full rundown on the capabilities of the HP Photosmart Premium.
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Cartridge Exchanges
Posted in: Recycling, blog, store by Jack on 11 June 2009

- Image by Lonely Soul via Flickr
Some of our new customers get confused about how we work, especially when it comes to exchanging cartridges. Let me see if I can clarify how it works.
When you buy a refilled or remanufactured cartridge from us, we need to replace the cartridge you’re buying in order to keep our prices as low as they are.
One way for us to replenish our stock of empty cartridges is to buy them from brokers or our customers. We generally pay $1 for empty ink cartridges and $3 for empty laser cartridges.
If you come in to buy a cartridge without an empty one to exchange, we have to add the cost of replacing that cartridge to your purchase. For example, if you’re buying an HP 56 black ink cartridge without an exchange, the cost to you is $12.99, a dollar more than it would be with an empty cartridge to exchange. If you bought an HP Laserjet 2600 cartridge for $49.99 without an empty to exchange, the actual cost before tax would be $52.99 ($49.99 + $3 core charge).
It’s really no different than when you buy a car battery. Without an old battery to exchange for the core, a core charge is added on in order to replace the battery you’re purchasing.
To encourage recycling, we also buy empty cartridges that are in good shape, are original cores and ones that we need. So if you came in to buy an HP 21 black ink cartridge and you had 3 empty cartridges with you, we would consider one to be an exchange for the one you’re buying and we’d give you an additional $2 off for the extra cartridges.
We don’t always purchase empty cartridges (in many cases we already have plenty of empty cores) but we are always willing to recycle any you have. This prevents them from winding up in our local landfill. We prefer to reuse cartridges, but if we can’t reuse we want to at least recycle.
If you ever have any questions regarding what we do or how we do it, and your questions aren’t answered on this website, please call us, send an email or drop by. We’d be happy to answer any question you may have.
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Portable inkjet printers reviewed
Posted in: Printers, Reviews, blog by Jack on 21 May 2009

- Image by RafeB via Flickr
One of our customers inquired today about portable inkjet printers, and while there isn’t a source of reviews comparable to the ones for laser printers that I could find, I did run across the following that I hope will be of some help.
Portable inkjet printers are a compact and lightweight option for use with laptops. They can run on battery or electrical power; some even have an optional adapter to run off a car’s cigarette lighter. Reviews say that portable printers can’t match the speed of desktop printers and cost much more both to buy and to run. They are made for low-volume use. Many portable printers are Bluetooth compatible, which means that they will work with a wireless adapter and can receive input from a PDA or mobile phone.
The Canon Pixma iP100 (*Est. $235) receives great comments from CNet.com’s Justin Yu, who says that its speed and resolution are top notch for a portable printer. Print quality is also praised and text is said to be clean, with Simon Williams of TrustedReviews.com stating that the iP100 is on par with full-sized, desktop inkjet printers.
The iP100 is an update of the Canon Pixma ip90v portable printer, and there are several notable improvements. These include a larger number of printheads, higher color resolution, 50-sheet input capacity (an increase of 20 sheets), faster printing and, according to the CNet.com review, a slight improvement in print quality. Connectivity options include PictBridge, USB and infrared for connection to cell phones. There are no memory card slots and the iP100 printer does not offer Wi-Fi connectivity.
HP’s Officejet H470 portable printer (*Est. $220) does not fare as well at CNet.com, where Justin Yu says problems include “fuzzy” and “blurred” text. Photos print out smooth, Yu says, but colors are flat and lack saturation. PC Magazine’s M. David Stone largely agrees, saying the H470’s text quality is “subpar,” and notes banding when printing in certain modes. U.K.-based PC Advisor sees similar issues, but the reviewer writes that swapping the default black ink cartridge for an optional six-ink photo cartridge resulted in “superb” output on photo paper. Simon Williams of TrustedReviews.com, on the other hand, feels that the H470 performs well for a portable printer, and that its print speeds actually exceed HP’s specifications. He also disagrees with negative assessments of the H470’s text printing, saying that even when reproducing small fonts there is only “slight fuzziness” around the edges.
Reviews that contrast the HP Officejet H470 with the Canon Pixma iP100 are inconclusive as to which is the superior product. M. David Stone at PC Magazine notes that while the iP100 is superior in speed and some aspects of print quality, the H470 wins out in such areas as ink cartridge yields. Both printers have some similar costly, optional add-ons, such as Bluetooth adapters and lithium-ion rechargeable batteries.
If you are searching for a portable printer, there are some key differences in features between the Canon Pixma iP100 and HP Officejet H470 that may help you choose the best model. Most notably, HP’s H470 offers Wi-Fi connectivity and memory card slots. It also costs less to equip and operate; for instance, the H470’s optional battery costs around $50, while the iP100’s is twice as expensive. HP even offers a soft carrying case — a frill missing with the Pixma iP100. If you do not need these options and value print quality above all else, however, reviews indicate that Canon’s Pixma iP100 is the better performing portable printer. (Source – Consumer Search)
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A green printer for coffee drinkers
Posted in: Conservation, Printers, blog by Jack on 5 February 2009
The RITI printer is an eco-friendly printer based on the concept of a
new ink system. We focused on the ink cartridge since it is one of the
problems when using a printer: it’s often difficult to replace, costly
to refill, and can stain your hands if mishandled.
The RITI printer uses coffee or tea dregs. The user places the coffee
or tea dregs into the ink case located on the top of the printer, then
insert a piece of paper in the middle. Moving the ink case left and
right will print your image, and as you draw on the paper, dregs
inscript on the paper just like ink.
Using coffee or tea dregs as ink saves the cost buying ink, the burden
of wasted things, and users’ work. Furthermore, since the user moves
the ink case in order to make a print, the device doesn’t need
electricity. Of course, you can smell a whisper of coffee or tea
incense from the paper printed by RITI.
Use:
1. Insert a paper in the middle of the printer
2. Put the coffee or tea dregs into the ink case on the top of the printer
3. Move the ink case left and right as you draw on a paper
4. When the print finishes, pull out the paper from the printer and wash the ink case
(Source-Greener Gadgets Design Competition)







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