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Old 10-05-05, 07:51 PM   #1
explody pup
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another dumb computer question, this time involving a printer

Okay. I'm trying to print a black and white photo on my HP 880C. The yellow on the color cartridge is empty. The black cartridge was replaced lastnight.

Whever I print a b/w photo, it comes out purple. There is no black ink anywhere on these photos, only the red and blue that are left in my color cartridge. I've selected "black and white" under print properties. I've converted to grayscale. None of this is helping.

Whenever I do a quick and dirty print, it'll go black and white. But when I select photo paper it prints in color. Same with printing in high quality.

I'm using a pirated copy of photoshop 8. I think I might download GIMP and try that.

Any ideas?
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Old 10-05-05, 08:12 PM   #2
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GIMP does the same thing. Text files print in b/w just fine. This is bugging the crap out of me.
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Old 10-05-05, 08:19 PM   #3
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The reason is the printer uses the color ink for ALL graphics mode printing.

You need a color cartridge dude.


edit: or just remove the color cartridge altogether and see what happens.
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Old 10-05-05, 08:26 PM   #4
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Quote:
Originally Posted by catatonic
The reason is the printer uses the color ink for ALL graphics mode printing.

You need a color cartridge dude.


edit: or just remove the color cartridge altogether and see what happens.
Well, crapola.

Yeah, I tried removing the cartridge lastnight. It won't print anything without it.

Thanks for the heads up, catatonic.

Looks like I'll have to figure something else out for the time being. Can't afford a color cart and I've had poor luck with the refills (lots of smearing).
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Old 10-05-05, 08:43 PM   #5
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When you click print and you have the screen with number of copies, collate, etc, click properties and look for a B&W option. That might do it.
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Old 10-05-05, 08:52 PM   #6
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Which OS are you using? Here's the instructions for Win2k/XP:

1. pull up Printers window (START -> SETTINGS -> PRINTERS)
2. RIGHT-CLICK on HP-800C -> PRINTING PREFERENCES
3. click on PAPER/QUALITY tab
4. under the Color section pick BLACK&WHITE

Hit OK to close the settings window, close the Printers window and that's it. This will make your printer use only the black&white cartridge, which gives much more accurate blacks than trying to mix the separate colors together (give a brown/green composite "black").
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Old 10-05-05, 09:05 PM   #7
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That's what I've been doing. It'll print in b/w at a "Normal" quality when I select "Plain Paper" under the "Media" pull-down menu. But when I select any type of photo paper, it switches to color. I've tried disabling Image Color Management to no avail. I think I'm just going to have to bite the bullet and get a new cart... or try the refills again.
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Old 10-06-05, 05:25 AM   #8
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Hint: H-P LaserJet 4L. Cheep as sin on the eBay. Buy refilled toner cartridges. Use an A-B switch for your printers, one to do text (B&W), the other for graphics (Color)

We get about six months out of a toner cartridge, under moderate to heavy print loads
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Old 10-06-05, 05:36 AM   #9
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B&W in graphics mode is really greyscale. I don't believe you can do greyscale with black ink because you can't make lighter shades of black (e.g. its always "black", and never "grey" to any degree of light/darkness).

So it must use color cartridges - period.

I'm just surmising, but it makes sense to me.
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Old 10-06-05, 11:28 AM   #10
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Quote:
Originally Posted by KingTermite
B&W in graphics mode is really greyscale. I don't believe you can do greyscale with black ink because you can't make lighter shades of black (e.g. its always "black", and never "grey" to any degree of light/darkness).
It's called dithering. Unless you have a dye-sub printer, ALL inkjets and laser-printers lay down discrete dots of a single color only. They simulate shades of grey and variable color-tones outside of the primary cyan/magenta/yellow/black colors by laying dots with variable spacings between them. A medium grey pattern is made up of 50/50% white-space and alternating black dots. A green color is made by laying down 50/50 yellow and cyan inks in alternating dots. Some of the more sophisticated printers can lay down variable dot-sizes too.

On the HP-880C if you select the black-cartridge only, it'll come out in greyscale.

Last edited by DannoXYZ; 10-07-05 at 06:12 PM.
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Old 10-06-05, 01:07 PM   #11
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Quote:
Originally Posted by Stacey
Hint: H-P LaserJet 4L. Cheep as sin on the eBay. Buy refilled toner cartridges. Use an A-B switch for your printers, one to do text (B&W), the other for graphics (Color)

We get about six months out of a toner cartridge, under moderate to heavy print loads
Sounds a little primitive LIke the others said, just use your B/W cartridge, otherwise you are getting processed black which is using cyan, magenta, yellow and black.
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