1) If background be black, thats the problem of High Voltage, main charger, lower charger
2)if whole copy black thats the problem of drum bios or beam or spark something
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Assuming the test print page prints using the black ink, printers have a setting that allows you to select black and white printing. If you need further help you need to include the manufacturer and brand of the printer. If the test page doesn't print the black ink and Since you say you have a full black ink cartridge I would also check that you completely removed the plastic tab/sticker that covered the hole the the inks comes out of and that the ink cartridge is securly installed.
I had a Epson printer that would not print or even allow me to use the scanner because the colored ink was out. Even though I had full black ink, it still would not let me print until i replaced the colored ink.
Canon PIXMA MX850 Multi Function Printer PrinterCanon MX850 will not print from...
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Canon MX850 will not print from small Black Ink Cartridge - 8BK. It only uses the large black ink... (More) Canon MX850 will not print from small Black Ink Cartridge - 8BK. It only uses the large black ink cartridge and I have a drawer full of small 8BK cartridges. How can I get it to use the small black cartridge and not the large black cartridge? Thanks
try taking the paper tray out and slamming the tray back in -- not to kill it but to jar it. Or maybe smacking the front of the machine. This will open the bar flap. Sounds kooky but try it.
hi im josh in cebu phils.may i help you? Friend the problem is the ink level dropped 3/4 after printing 7 pages and low exclamation mark in red. Friend it is the real deal since you are using a free ink cartrdge with your printer that ink is only a sample one and the content of that cartridge is not full thats why it dropped to empty in just a few pages of printing. It just appear full in the ink level monitoring since the printer auto detects new cartridge on the tank. It is just so You need to buy a new ink cartridge the one with the full content.and i'm sure it will last a long time since it is already full. thats all friend good luck hope i helped you.
yes you need to install all cartridge before printing any page ...I have also this model...but u need to install all 4 cartdge. before printing any page wheather color or blacknwhite..
On some printers, probably including yours, the black ink will be taken from the reserves in your colour cartridge unless you specifically tell it to do a black and white print on each document, regardless of whether it's printing black exclusively. I wouldn't worry, the black ink in it's own cartridge can also be used for colour photos etc with no detrimental effects.
some printers share the ink from color to black but you can select if you wants to use only black just go to printer than properies than select to use only black but you probably have to remove the empty color one
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