Your Canon printer outputs color fine but black text is missing, faded, or has horizontal streaks. This is one of the most common Canon printer problems and is almost always caused by clogged PGBK nozzles or cartridge issues — not a broken printer.
Understanding Canon Black Ink Types
Canon printers use two types of black ink, which causes confusion:
| Type | Name | Usage |
|---|---|---|
| PGBK | Pigment Black | Text/documents on plain paper |
| BK | Dye Black | Photos on glossy paper |
If your text documents have no black, the PGBK cartridge is the culprit. If photos lack black, it's the BK dye cartridge.
Fix 1: Run Printhead Cleaning
- Open Canon IJ Printer Utility (or printer's touchscreen)
- Go to Maintenance → Cleaning
- Select Black ink group
- Click OK and wait 2-3 minutes
- Print a Nozzle Check Pattern to verify
If the nozzle check still shows gaps, run Deep Cleaning (same menu). Deep cleaning uses more ink but is more thorough. Wait 12 hours after 2 deep cleanings before trying again — this lets ink soak into dried nozzles.
Fix 2: Reseat or Replace PGBK Cartridge
- Open the cartridge cover (printer must be ON)
- Press down on the PGBK cartridge tab and remove it
- Check for protective tape on the bottom — remove if present
- Look at the ink level — if empty, replace with a new cartridge
- Reinsert firmly until you hear a click
- Close the cover and print a test page
Fix 3: Clean Printhead Manually
If software cleaning doesn't work, do a manual clean:
- Turn off the printer and open the cartridge door
- Remove all cartridges
- Lift the printhead lock lever and remove the printhead
- Soak the bottom of the printhead in warm distilled water (not hot) for 10-15 minutes
- Gently dab with a lint-free cloth — you should see black ink on the cloth
- Let the printhead dry completely (1-2 hours)
- Reinstall printhead → reinstall cartridges → close door
- Run alignment from printer menu
Fix 4: Check Print Settings
- Open Print dialog → Preferences → Media Type
- Make sure it's set to Plain Paper for documents (not Glossy/Photo)
- Wrong media type can cause the printer to use the wrong black ink tank
- Also check Color/Grayscale settings — "Grayscale" should use PGBK for text
Fix 5: Print in "Color Only" Mode (Temporary)
If you need to print urgently: Printer Properties → Maintenance → Ink Cartridge Settings → Color Only. This uses composite black (mixing cyan, magenta, yellow) which gives a brownish-black but works for emergencies. Switch back to normal after fixing the black cartridge.
Fix 6: Update or Reinstall Printer Driver
- Go to canon.com/support → enter your printer model
- Download the latest full driver package
- Uninstall current driver: Settings → Apps → Canon printer → Uninstall
- Restart your computer
- Install the new driver
- Print a test page to verify
Fix 7: Reset the Printer
Turn off the printer → unplug the power cord → wait 2 full minutes → plug back in → turn on. This clears the printer's internal memory and forces fresh cartridge detection. After reset, run printhead alignment again.
Prevention Tips
- Print at least one page per week to prevent nozzle drying
- Use genuine Canon cartridges — third-party ink can clog printheads faster
- Store spare cartridges sealed in original packaging
- Keep printer in a cool, dry environment — heat dries ink faster
- Run a nozzle check monthly to catch problems early
Frequently Asked Questions
Why is my Canon printer not printing black even though the ink is full?
Common causes: (1) Clogged printhead nozzles — run deep cleaning from Canon IJ Printer Utility, (2) Wrong cartridge type — Canon uses PGBK (pigment black for text) and BK (dye black for photos), make sure the correct one is installed, (3) Protective tape not fully removed from cartridge, (4) Cartridge not properly seated — reinsert until it clicks, (5) Printhead contacts need cleaning.
How do I unclog a Canon printhead for black ink?
Go to printer Settings → Maintenance → Deep Cleaning → select Black ink group → confirm. Run this 2-3 times max, then wait 12 hours before trying again. If still clogged, remove the printhead and soak it in warm distilled water for 10-15 minutes. Dry thoroughly before reinstalling.
What is the difference between PGBK and BK in Canon printers?
PGBK (Pigment Black) is for text and documents — it prints on standard paper. BK (Dye Black) is for photo printing — it works with glossy photo paper. If PGBK is empty or clogged, text documents will print without black while photos may still work, and vice versa.
Can I print without black ink on Canon?
Partially yes: On some Canon models, go to printer Properties → Maintenance → Ink Cartridge Settings → select 'Color Only' printing. This uses composite black (mixing CMY) for text, which is lower quality but works in a pinch. Not all models support this feature.
How often should I clean Canon printheads?
Run standard cleaning only when you notice print quality issues — typically every 2-4 weeks if printing regularly. Deep cleaning uses significant ink, so use it sparingly. The best prevention is printing at least one page per week to keep nozzles from drying out.
Canon Still Not Printing Black?
Our technicians can diagnose printhead and cartridge issues remotely.