Printer Ink Issues

[RUNESMAN]

I have an HP OfficeJet Pro 7740 Wide Format printer that's about 1 year old.  Unfortunately, I was unaware that the HP driver upgrade prevents using HP OEM ink cartridges that have been refilled and outside vendors ink cartridges.

My printer refuses to print in black ink only, despite having checked the appropriate boxes in the set-up pages and having the empty original HP OEM color ink cartridges installed.  I've read that some HP printers will not print in black ink only unless color ink cartridges with some remaining ink are installed.  That doesn't seem right on several levels.  My printer also will not recognize the non-HP ink cartridges I purchased (allegedly with the latest chip and guaranteed to work), despite spending several hours trying to work-around this problem.

The non-HP set of 952XL ink cartridges (2 blacks, 1 each of the 3 colors) are about 1/3 the price of HP-952XL sets (with only 1 black). 

1. How do I get my HP 7740 to print with just the black ink cartridge installed?
2. How do I get my HP 7740 to recognize non-HP ink cartridges?

Please tell there's a viable work around.

Thanks for reading all this.  Hope to get an answer soon.

v/r

runesman

[TEJ1602]

@RUNESMAN, Welcome to HP Support Community!

Update the printer firmware-

Download available firmware updates from the HP website

With the printer on and connected to the computer, go to HP Customer Support - Software and Driver Downloads, and then identify your printer. Look for and install any available firmware updates. Refer to the document HP Printers - Updating or Upgrading Printer Firmware

The third-party ink cartridges will work. But there are many cartridges in the market which are refilled and sometimes the chip is not configured to work with the printer. You need to contact the cartridge manufacturer and find out why it is not working. Try a different cartridge supplier and check if that works.

I hope that answers your concern adequately. Let me know!

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