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Re: HP 3755 Printer, Black Ink Mystery

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Boris <Boris@invalid.invalid> wrote:
>Tony <lizandtony@orcon.net.nz> wrote in
>news:part1of1.1.#oXtwiQt3MA89g@ue.ph: 
>
>> Boris <Boris@invalid.invalid> wrote:
>>>Printer is an HP DeskJet 3755.  It uses a tri-color cartridge, and a 
>>>black cartridge.  It's connected to various Windows computers via a 
>>>Netgear router.  Connection is fine.
>>>
>>>The black cartridge is empty, as demonstrated by the fact that when 
>>>printing a 'Test page', all that is printed is the blue printer icon,
>>>and also in blue, the words "Windows Printer Test Page".  
>>>
>>>When printing any multi-color document, all colors are printed, but 
>>>nothing black, such as text, appears.  OK, it's out of black, but...
>>>
>>>If I use the printer's control panel to print out internal reports
>>>such as "Printer Information Page", or "Printer Status Report", which
>>>are in black text, these reports are printed perfectly in black.
>>>
>>>How is this possible?
>>>
>>>Hmmm...print jobs issued from Windows don't print black, but print
>>>jobs issued internally from the printer's control panel do print
>>>black. 
>>>
>>>I downloaded and ran HP's Print and Scan Doctor for Windows.  It said
>>>it corrected a printer issue (it didn't identify the issue), and then
>>>went on to check ink and printing quality, such as alignment and
>>>cleaning printheads.  The result was that colors were fine, alignment
>>>was fine, but it didn't print out any black patterns, saying that the
>>>black cartridge was empty.
>>>
>>>So, HP's own diagnostic verified black ink was empty.
>>>
>>>But where does the black ink come from to print the internal reports, 
>>>perfectly?
>>>
>>>Any ideas?
>> If the black cartridge is empty then the only way that the printer can
>> print black is to use the colour cartridges. That is probably what is
>> happening. The printer is probably designed to combine the colours to
>> print black for internal reports.
>
>Tony, you may have been correct.  I finally got around to getting a new 
>black cartridge (the printer is 3 hours away from where I normally 
>reside, thus the long time to reply).  Once installed, the printers is 
>working beautifully.  It prints black (and all colors) perfectly.
>Thanks for the reply.
You are most welcome.

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HP 3755 Printer, Black Ink Mystery Boris <Boris@invalid.invalid> - 2024-11-27 23:31 +0000
  Re: HP 3755 Printer, Black Ink Mystery Tony <lizandtony@orcon.net.nz> - 2024-11-28 19:22 +0000
    Re: HP 3755 Printer, Black Ink Mystery Boris <Boris@invalid.invalid> - 2024-12-27 05:59 +0000
      Re: HP 3755 Printer, Black Ink Mystery Tony <lizandtony@orcon.net.nz> - 2024-12-30 09:30 +0000

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