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From: ALM Investment on 27 Jan 2010 11:11
On Jan 15, 5:00 am, Arthur Entlich <e-printerh...(a)mvps.org> wrote:
> A few interesting things about this.
>
> 1) This person seems to think he/she has a "corner" on information that
> is available both in the instruction manual and on the web if you do a
> Google search for free, and which they have no ownership of.
>
> 2) He/she is selling "free information"
>
> 3) HP should be ashamed of itself for not having this information front
> and center of the manual, especially if the printer is not a network
> printer.
>
> HP color printers do a countdown on the cartridges based in part on
> toner coverage.  This apparently is accomplished by a sampling of a
> small percentage of the pixels which it then interpolates over the
> entire page.
>
> Depending upon the printer, some read each color and some only read
> general amount of toner used on one color and generalize it to the other
> colors. This can cause great misreadings, particularly if you do a lot
> of monochrome printing which uses no color toners.
>
> There are indeed chips that read the toner levels based upon the usage
> information as mentioned above.  These can be rewritten with the correct
>   equipment or they can be replaced (if you do refilling).
>
> However, there is a software solution HP offers which allows you to run
> the cartridge until it is empty.  They claim the reason they do not make
> it the default, is because if it is a network printer, you may not be in
> the location where the printer is located.  If it ran out of one of the
> toners, you might not know it and might print many useless prints which
> had streaked or lacked one color. It is also to allow you to know your
> cartridges may be running low so you can purchase a new one, and on some
> models, they will contact HP via the network/internet and order for you.
>   That might be fine for a large corporation which cares more about
> "productivity" over cost and wastage, but for individuals, keeping cost
> down may be more critical.
>
> Also, not all of the listed printers are networked printers, so the
> worst that would happen is a page or two of bad color.  Running the
> cartridge "dry" shouldn't damage anything (this isn't an inkjet printer).
>
> The way to run the cartridges until they are empty depends upon the
> printer model, but the basic issue is you need to shut down the printer
> reading the toner sensors.  With most HP printers, you are looking for
> "toner sensor override" or "cartridge out override"
>
> Here's the basic HP instructions (for the 2600n), your printer
> instructions might be slightly different.  If you do not have the
> instructions, you can download them from the HP website.
>
> ===========================
>
> The HP Color LaserJet 2600n printer displays an Order supplies message
> when a cartridge is running low and a Replace supplies message when a
> cartridge has been depleted. To ensure optimal print quality, HP
> recommends replacing a cartridge when the Replace supplies message is
> displayed. Replacing the cartridge at this point can help prevent waste
> of media or other cartridges when one cartridge produces poor print quality.
>
> The Cartridge Out Override feature allows the printer to continue using
> a cartridge that has reached the recommended replacement point.
> WARNING! Using Override may result in unsatisfactory print quality and
> unavailability of certain features (such as toner remaining information).
> WARNING! All print defects or supply failures incurred when an HP supply
> is used in Override will not be considered defects in materials or
> workmanship in the supply under HP's Print Cartridge Limited Warranty
> Statement.
>
> Configuration
>
> Cartridge Out Override can only be enabled from the printer's control
> panel menu.
> 1. From the main menu, press (RIGHT ARROW) to System setup and press
> Check Mark button (SELECT).
> 2. Press (RIGHT ARROW) to Print quality and press the Check Mark button
> (SELECT).
> 3. Press (RIGHT ARROW) to Replace supplies and press Check Mark button
> (SELECT).
> 4. Press (RIGHT ARROW) to Override out and press Check Mark button (SELECT).
> 5. Press (Check Mark button SELECT).
> If "Stop at out" is selected, the printer will stop printing when a
> cartridge reaches the recommended replacement point. If "Override out"
> is selected, the printer will continue printing when a cartridge reaches
> the recommended replacement point. The factory default setting is "Stop
> at out".
>
> On-going operation
>
> Override can be enabled or disabled at any time, and does not have to be
> re-enabled for each cartridge. The printer will automatically continue
> printing when a cartridge reaches recommended replacement. The printer
> will display a message "Replace supply Override in use" while a
> cartridge is used in Override mode. When the cartridge is replaced with
> a new supply, Override will de-activate until another cartridge reaches
> recommended replacement.
>
> NO CHARGE ;-) Oh, and don't tell anyone else! ;-)
>
> Art
>
> If you are interested in issues surrounding e-waste,
>    I invite you to enter the discussion at my blog:
>
>        http://e-trashtalk.spaces.live.com/
>
> Joe wrote:
> > I found this item on ebay - how does it work or is there a secret to it?
>
> > Does someone know?????????
>
> > I think its just the service sheet emailed and a scam to make money from
> > the gullible (didn't they remove that word from the dictionary?)
>
> > I haven't referenced the ebay item, just copied the information. You can
> > look it up if want.
>
> > Can this same information be downloaded elsewhere?
>
> > Thanks
>
> > ...........................................................................................
>
> > HP TONER OUT OVERRIDE 1600 2600 2605,
>
> > plus HP Color LaserJet CM1015 MFP and HP Color LaserJet CM1017 MFP
>
> > HP TONER CARTRIDGE RUN OUT OVERRIDE secret from a service technician!
>
> > WILL MAKE YOUR 3 COLOR & BLACK TONER CARTRIDGES PRINT EXTRA PAGES AND GO
> > FARTHER...   MOST TIMES 800 to 1500 or even more PAGES!         NO RESET
> > CHIPS NEEDED.
>
> > This is an easy to follow guide explaining how you are able to override
> > the Cartridge Out / Toner Out messages on certain HP printers (see below).
>
> > Like other brand toners, these cartridges have a special page counter
> > smart chip on each one and this chip tells the printer that the toner
> > has run out. You would then normally spend a fortune to replace the
> > color toner carts before you can use the printer to continue printing.
>
> > The fault is that the counter on the cart's smart chip only counts the
> > amount of pages printed and not the actual amount of toner thats still
> > in the cart. This means you throw away the old cartridge  which still
> > has plenty of toner in each of the 4 units! The mfr wants you to put a
> > new one (or all four) in.
>
> > Obviously, the amount of toner left varies, but sometimes you can get
> > over 900 or more pages out of the toner thats left that you would
> > normally throw away.
>
> > Now taking all this into consideration, think of how much money you
> > could save just by doing this with 1 cartridge!!!!  These printers have
> > 4 carts in them!  HP charges over $99.00 each for new toner carts....
>
> > Now in this auction the winning bidder will receive a very simple to
> > follow set of instructions on how to change a configuration setting on
> > the printer which overides the toner's chip and allows you to use the
> > extra toner. Remember to give your printer a gentle side to side shake
> > or spin to evenly disperse the toner inside the 4 toner trays.
>
> > It takes just 10 to 15 seconds to do this and then you can save money
> > and change your toner less often!!
>
> > You dont even have to open up the printer. You just press a button or 2
> > or 3 on the printer's front panel.
>
> > So do yourself a good turn and save yourself a lot of money and get this
> > info!
>
> > Upon winning this auction you will receive your purchase quickly!
>
> > This toner saver info works with these HP color laser printers-----
>
> > HP Color LaserJet 1600 Printer
> > HP Color LaserJet 2600n Printer
> > HP Color LaserJet 2605 Printer
> > HP Color LaserJet 2605dn Printer
> > HP Color LaserJet 2605dtn Printer
>
> > HP Color LaserJet CM1015 MFP
> > HP Color LaserJet CM1017 MFP
>
> > NOT TO BE RESOLD ON EBAY.
>
> > NO  -NO-  RESALE RIGHTS.   We will prosecute per ebay.
>
> > Digital delivery.....

Great Recommendation. It works well.
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