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crwdns2934241:0crwdne2934241:0 ElenoraDavis

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I removed the CMOS-Battery from my old HP Officejet Pro L7680 , Firmware Version R0040xxNxdN0 , and the  "expiration date error on panel" is now GONE ! But, it still tells me when the ink-tanks are "almost empty" or that "Yellow ink is now empty".  It also tells me that I am using a "BLACK non-original HP ink cartrige". Very friendly. What drives me crazy is, that, once I disconnect the Printer from the wall power overnight or for some days, it starts with excessive self-testing after I plugged it back in.  And doing that it waists a lot of ink obviously (see the milliliters on the webfrontend, section "Accumulated Ink Usage"). Does anyone know a trick (key combination on panel or a command per LAN/USB/telnet/http whatever), to stop/disable the self-test which lasts sometimes 10 minutes ?  Is there "alternative firmware" available that cuts the "punishment-self-test-orgy" to a minimum ?

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open