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Hewlett Packard
HP Officejet Pro 8000: Blinking Lights
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[QUOTE="Mark Messa, post: 214528, member: 13203"] The power light and all color cartridges lights are blinking. According to [URL=https://support.hp.com/us-en/document/c01628597#AbT27]HP support[/URL] such light pattern means that those "cartridges are faulty or need attention" and the solution is: [LIST] [*]reinsert cartridge, or [*]replace the cartridge [/LIST] Through out the years, whenever there was a cartridge issue I just had to override it (resume button or power+resume x3). Unfortunately, now is different (although there is no visible damage or other known reason). Even cleaning the gold contacts of the CISS chip made any difference. [B]Question[/B] [LIST] [*]What might be causing such issue? [*]Any way to solve it without replacing the cartridges with new ones (extremely expensive)? [/LIST] _______________________________________________________________________________ [B]ADDITIONAL NOTES[/B] [B]Firmware[/B] I've already executed [URL=https://ftp.hp.com/pub/softlib/software12/COL34350/mp-85040-2/OfficejetPro8000_R1006BR_ENG.exe]HP Officejet Pro Firmware[/URL]. The firmware was already the latest one, even so I required it to be updated. [B]Damaged/dirty component/sensor[/B] I've already cleaned them with isopropil alkohol. [B]Bad cartridge[/B] They were all installed in 2010. Never had any issue with them. Recently all 3 decided to fail simultaneously. However, there are no visual damage and the gold contacts were also cleaned with isopropil alkohol. I've also executed [URL=https://ftp.hp.com/pub/printers/hppsdr/HPPSdr.exe]HP Print and Scan Doctor for Windows[/URL] which shows: black | yellow | magenta | cyan :---: | :-----: | :-----: | :-----: ready | failure | failure | failure However, the sensors can precisely pinpoint whether the cartridge is missing or is a failure. For example, removing only the magenta would show: black | yellow | magenta | cyan :---: | :-----: | :-----: | :-----: ready | failure | missing | failure [B]Cartridge compartment[/B] I've already check that several times: [URL=https://imgur.com/a/sf54Jsv]cartridges compartment[/URL]. [B]Bottom of the cartridges[/B] I've already check that several times also: [URL=https://imgur.com/a/Akw1YAu]bottom view of cartridges[/URL]. [B]Hard Reset*[/B] I've already tried that with several different black cartridges and several different black/yellow printheads: [URL=https://imgur.com/a/TbBGj0X]cartridges and printheads[/URL]. (*) Fully power cycle the machine by shutting it down, take out the cartridges, unplug it from the power source, and pressing the power button 5-10 times, and then starting it back up. [/QUOTE]
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HP Officejet Pro 8000: Blinking Lights
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