Question about Office Equipment & Supplies
Above a service an repair manual. use this service manual above this is waht the engineers use to fix, these devices.
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.
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".
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.
Posted on Apr 26, 2010
Have you reset the error count since installing the new print cartridges?
Posted on Apr 25, 2010
Congrats on owning a great printer.
There are of course a myriad of reasons that any electronic machine will malfunction. This sounds like a case of a corrupt driver.
I would go to device manager - remove the printer - have the factory disk or an update driver ready. Simple reboot the pc with the driver disk on hand. The PC should reload the driver automatically. If not use the factory disk or download the latest driver from the web.
SPECCY is a great program for finding all the free updates for you pc/printer to make things work better together.
If you're using your printer as a pure stand alone - do an update on the on board firm-wear/software.
Best of it
Posted on Apr 24, 2010
Printing in a Override mode is harmless and also will keep the machine running even with empty cartridges.
There is a chip embedded which keeps the track of pages printed and amount of cartridge used, when the ink level goes low below the threshold; printer will send "low ink indication". This can be bypassed in a override mode.
In your case, you say that printer toners are full and you need to disable the override policy in the printer.
Posted on Apr 24, 2010
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Posted on Jan 02, 2017
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