On Tuesday 21 October 2008 11:04, Patrick Shanahan wrote:
* Duaine & Laura Hechler <dahechler@charter.net> [10-21-08 13:36]:
I have noticed that HPLIP (HP Device Manager) does not show the status of the ink levels if the cartridges have been refilled.
Is this normal ?
Yes, No. HP cartridges have a chip which monitors/reports ink level.
I know you're talking about ink-jet printers (a bad idea if ever there was one), but HP laser printers have some of the same characteristics. It seems they're pretty "conservative" in their reporting of remaining toner. A couple of months ago my LaserJet 2015 lit its "toner low" light on the front panel. I ordered a new cartridge at the time, but I've since printed hundreds of pages and there's no sign (on the printed pages) that it's actually running out of toner. And as soon as the light came on I tried the "shake the cartridge" tactic, but the light never went out. I should have noted the page count at the time the light came on to see by how much it underestimates the remaining toner, but it's more than a little.
That chip must be reset when the cartridge is refilled or it will not report correctly. There are utilities that will do this if the service that refilled the cartridge did not.
HP laser printers will print their own status page, which includes a "Supplies" status page that shows how much of the toner remains. Mine says 1% and "zero pages remaining."
But you will have to search the web (google?) as I no longer use HP printers.
Out of curiosity, have you been dissatisfied with them? 'Cause I love this LaserJet 2015. Duplex printing, fast, great font rendering, Energy Star, (but not quiet when printing), flexible paper-handling options, full PostScript level III, USB and Ethernet interface, expandable RAM (with easy-access notebook-format DIMM socket).
-- Patrick Shanahan
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