Photos and colored areas print normally, but black text comes out faint, broken or missing, or it looks dark brown instead of black. Many printers use a thick pigment black for crisp text on plain paper and a separate dye black for photos, and the pigment black is usually the first to clog. This guide checks the black cartridge or tank, then the settings that decide which black is used, and finally the cleaning steps that target black on its own.
What you might be seeing
- Black text is missing, faint or full of gaps
- Text prints brown, green or purple instead of black
- Photos print well but documents don't
- The black rows of the nozzle check are broken
Common causes
- Clogged pigment black nozzles
- Pigment black dries faster than dye-based colors, so its nozzles tend to block first after idle periods.
- Black cartridge or tank problem
- An empty cartridge, a leftover seal or a black tank below the lower line stops black reaching the printhead.
- Settings using a different black
- Paper type and quality settings decide whether the printer uses pigment black, photo black or mixed colors.
- Air in the black ink tube
- On ink tank printers, letting black run dry draws air into its tube.
- Color-only mode
- Some printers can run on the color cartridge alone, mixing colors into a brownish black.
How to fix it, step by step
Work through these in order and test a print after each one. Most people are done within the first few steps.
Pigment black is very hard to remove from fabric, so keep cartridges away from clothing and cover the work surface.
Read the black rows of a nozzle check
Print a nozzle check from the maintenance menu and study the black section. Printers with two blacks may show a wide block for pigment black and a fine grid for photo black, so note which one is broken. If the black rows are perfect, the hardware is fine and the cause is a setting or the document itself, so skip ahead to the settings step.
Check the black cartridge or tank
Look at the black level on the control panel. Remove the black cartridge, check that no tape or film covers its outlet or chip, and press it back until it clicks. On an ink tank printer, make sure the black tank is above the lower line with its cap closed, and that any ink valve or transport lever near the tanks is set to the printing position.
Review the settings that choose black ink
In Printing preferences on Windows, or the printer options in the macOS print dialog, set paper type to Plain Paper and quality to Standard for a text test, since photo settings often switch to photo black. If a grayscale option offers black ink only or composite gray, choose black ink only. Check the manufacturer's app for a color-cartridge-only mode too, then print a text page.
Clean only the black channel
Start a head cleaning and select black if the printer lets you choose, which spares the color ink. After one cycle, print a nozzle check and compare the black rows with your first page. Pigment black can be stubborn, so if the pattern improves but isn't complete, leave the printer for at least a few hours before cleaning black again.
Print a page of pure black
Make a document with a large black rectangle, or a page of bold black text, and print it on plain paper at standard quality. A continuous black area keeps every black nozzle firing and can loosen a partial blockage. Print two pages, then check the pattern again. White streaks in the same places on both pages mean those nozzles are still blocked.
Fit a new black cartridge
If your black cartridge has its own printhead, a fresh one replaces the black nozzles completely and is often the fastest cure for a stubborn blockage. On printers where cartridges are only ink containers, a new one helps if the old cartridge was nearly empty, faulty or had a blocked outlet. Print a nozzle check right after installing it.
Clear air from the black tube on a tank printer
If the black tank ran dry before you refilled it, air is probably sitting in the tube. Fill the tank to the upper line, then run Ink Flush, Ink Charge or Power Cleaning once, choosing black if the menu allows. It pulls ink through the tube and pushes the air out, using a fair amount of ink. Rest the printer a few hours, then recheck.
How to keep it from happening again
- Print a page with black text at least once a week
- Replace the black cartridge or refill its tank before it runs dry
- Use plain paper settings for everyday documents
- Shut down with the power button so the head is capped
Common questions
Why does my printer have two black inks?
Pigment black sits on the paper surface and gives crisp, water-resistant text on plain paper, while dye black blends smoothly for photos on glossy paper. The driver picks one based on the paper type setting, which is why black can fail on documents while photos still look fine.
Why is my black text coming out brown or green?
When real black isn't available, or a setting asks for it, the printer builds black from cyan, magenta and yellow. This composite black rarely looks neutral. It's a sign that the black nozzles aren't firing or that a color-only or composite grayscale option is switched on.
Can I print documents with only the color cartridge?
Some cartridge printers offer a single-cartridge mode, either automatically when black is missing or through the manufacturer's app. Text looks slightly tinted and color ink runs down faster, so treat it as a stopgap. Check your manual first, because not every printer allows it.
This guide is general information written for common home and office printers. Menus and button names vary between models, so check your printer’s manual where a step differs. Printer Problems Solved is independent and not affiliated with any printer manufacturer. See our disclaimer.