HP OfficeJet r40 InkJet Printer Logo
Posted on Apr 09, 2008
Answered by a Fixya Expert

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Won't print black and white, looks blue

I have had this copier for years and it has always out done any of our new ones, even those especially for photos. Now get ok colors sometimes, sometimes red tones, yellow seems to clog. I have been trying to print some black and white photos, scanned in and just copying. Both ways I get blue and white. I tried using the black option for copying and the color option, still blue. Any ideas? I have a pretty new black cartridge.

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John Bradley

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  • Expert 88 Answers
  • Posted on Jun 02, 2008
John Bradley
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Joined: Apr 27, 2008
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Hi

HP uses a system for black that prints a base ie: Cyan / *blue then overprints it with black...

Sounds like you are either out of black or you have an ink clog?

If so... you need to use a print head cleaner like Magic Inkjet Flush you can get a kit on Ebay.

Good Luck!

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Why won't it print in crisp black and white?

REPLACE THE DRUM UNIT/IMAGE UNIT TONER WILL NOT FIX THAT PROBLEM for Black

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/normanj_7893313f0751935f

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My printer is not printing well. ink cartridges are brand new- just cleaned heads and recalibrated- also reset settings- can't make black and white copies at all- on color only prints very faded blue to...

are you sure already check the box "Black and White" ?
reconnect the printer, turn it on, & open the 'preferences' or 'options'.
Look for the Advanced tab, click, and check the box 'Black & White' printing. i hope that work..
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Colour cartridge missing but I only want to print

No you cannot. Each one of your cartridges is smart chipped. When this cartridge registers as empty it acts as an on/off switch thus turning the printer off.'

You need to replace the empty cartridge in order to print.

Go printer settings and check option to print only black.

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Do a deep clean on the printer.

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widows is done from start, printers and faxes, click on your printer.
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Photosmart 6180 won't print black

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No blue copy

Hello rfaustin,
I understand your question and the possible reasons behind it. I have been a field engineer servicing copiers for over 20 years and the best answer I can give you is that your device does not have the ability to recognize one color over another. More recent models do but there are limitations there as well.Optical devices primarily look for the presence or absence of data (image) and especially with a black and white copier which because of customer needs have been refined to the point of being able to recognize and reproduce even the lightest lead pencil strokes. And your "digital" copier is one of the best at recognizing any image that is not pure white. You can "lighten" the exposure and minimize the blue as it will of course be naturally lighter than the rest of the black text of your document. I am sorry I could not "FIXYA" :-) but I hope I have helped you a little by providing the answer to your question. Be well. ..............SPINAL............
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Sounds like Color cartridge problem...
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Printer won't print in black

This could be to several reasons:
1#  The black cart contains blue ink-> Change to a brand new cart.

2# The cart assy has a bottom that is a foil. Sometimes this foil leaks.
Ink will mingle: You need a new cart assy.

Run the cleaning cycle twice after inserting a brand new bk ink cart and print out a test print. If you still see blue instead of bk the assy is leaking.
BTW the bk is darker than blue (or better cyan). You must see bk! So it seems to be the prob with the right ink....
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