What Ink Does the Canon PIXMA MX722 Use?
Last Updated:The Canon PIXMA MX722 is a wireless office all-in-one with fax that uses five individual cartridges: Canon PGI-250 pigment black and CLI-251 black, cyan, magenta, and yellow. Standard and XL high-yield versions are available so you can balance ink cost against print volume.
Ink Cartridges at a Glance
| Cartridge | Color | Yield Options |
|---|---|---|
| PGI-250 | Pigment Black | Standard, XL |
| CLI-251 | Black (dye) | Standard, XL |
| CLI-251 | Cyan | Standard, XL |
| CLI-251 | Magenta | Standard, XL |
| CLI-251 | Yellow | Standard, XL |
The PGI-250/CLI-251 cartridge family is also used by many other Canon PIXMA models including the iP7220, iP8720, iX6820, MG5420, MG5520, MG6320, MG6420, MG6620, MG6820, MG7520, MG7720, and MX922. Stock one set to cover the whole family.
Save on PGI-250 and CLI-251 Ink
Castle Ink offers compatible PGI-250 and CLI-251 cartridges at significant savings versus OEM with matching page yields. Shop PGI-250 cartridges or browse CLI-251 colors for your MX722.
How to Replace Ink in the Canon PIXMA MX722
- Power on the printer and open the top scanner unit; the print head holder slides to the access position.
- Press the tab on the empty cartridge and lift it straight up out of the print head.
- Unwrap the new cartridge and remove the orange protective cap from the bottom.
- Insert the cartridge into the matching color slot and press down until you hear a click and the LED lights.
- Close the scanner unit and let the printer perform a print head alignment if prompted.
Troubleshooting Tips
Cartridge not recognized: Remove the cartridge, wipe its gold contacts with a lint-free cloth, and reseat firmly until the LED illuminates.
Faded or streaky prints: Run a print head cleaning via Setup > Maintenance. Repeat up to three times before swapping cartridges.
Fax can't send: The MX722 will refuse to fax if any cartridge is empty or unrecognized; resolve ink errors before retrying fax operations.
B200 print head error: Power cycle the printer; if the error persists, remove and reseat all cartridges and the print head assembly.
Official Canon Resources
Canon MX722 Support Page | Canon Genuine Ink
Bottom Line
The Canon PIXMA MX722 uses five PGI-250/CLI-251 cartridges. Choose XL yields for the lowest cost per page, and consider Castle Ink's compatibles for additional savings.
Frequently Asked Questions
Will PGI-270 cartridges fit the MX722? No, the MX722 requires PGI-250/CLI-251; PGI-270/CLI-271 have different chips and won't fit.
Are XL cartridges worth it? Yes, XL cartridges roughly double the page yield with a lower cost per page than standard.
Do I need all five cartridges to fax? Yes, all five cartridges must be installed and have ink for normal operation including fax functions.
Will compatibles void my warranty? No, compatible cartridges do not void your Canon warranty under the Magnuson-Moss Warranty Act unless they cause damage.
How do I check ink levels? Tap the LCD home screen and select Setup > Estimated Ink Levels to see each cartridge's remaining ink.
Written by William Elward, founder of Castle Ink, with 20+ years of experience in the printer and ink industry.