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Canon PIXMA MG6320 Ink: PGI-250 / CLI-251 XL Cartridges | Castle Ink

The Canon PIXMA MG6320 wireless all-in-one photo printer uses Canon PGI-250 pigment black and CLI-251 dye-based color ink cartridges. The MG6320 features a six-cartridge configuration (PGBK, BK, C, M, Y, Gray) with XL options.

Ink Cartridges at a Glance

Cartridge Color Approx. Yield
PGI-250 Pigment Black ~300 pages
PGI-250 XL Pigment Black ~500 pages
CLI-251 BK / C / M / Y / Gray ~300 pages
CLI-251 XL BK / C / M / Y / Gray ~660 pages

The PGI-250 / CLI-251 cartridge family is also used by the Canon PIXMA MG5420, MG5520, MG5620, MG6420, MG6620, MG7120, MG7520, iP7220, iP8720, iX6820, MX722, and MX922 series printers.

Save on PGI-250 / CLI-251 XL Ink

Castle Ink offers premium compatible PGI-250 and CLI-251 cartridges at up to 70% off Canon retail prices, with a full satisfaction warranty and free shipping on qualifying orders.

How to Replace Ink in the Canon PIXMA MG6320

  1. Power on the printer and open the top cover; the print head will move to center.
  2. Press the tab on the empty cartridge to release it and lift it out of the print head.
  3. Remove the new cartridge from packaging and pull off the orange protective cap.
  4. Insert the new cartridge into the matching color slot and push down until it clicks.
  5. Close the top cover and wait for the printer to initialize.

Troubleshooting Tips

Cartridge not recognized: Remove and reseat the cartridge; wipe the gold contacts gently with a dry lint-free cloth if needed.

Streaky or faded prints: Run Print Head Cleaning from the MG6320's touchscreen Maintenance menu.

Misaligned colors: Run Print Head Alignment using plain paper for best results.

Low ink warnings: Compatible cartridges may trigger ink-level warnings; printing continues normally.

Official Canon Resources

Canon PIXMA MG6320 Support · Canon Genuine Ink

Bottom Line

The Canon PIXMA MG6320 uses PGI-250 pigment black and CLI-251 dye-based color cartridges including Gray for photo gradients. Castle Ink compatibles save up to 70% vs Canon OEM — shop PGI-250 / CLI-251 ink now.

Frequently Asked Questions

Q: How many cartridges does the MG6320 use? Six — one PGI-250 plus five CLI-251 (BK, C, M, Y, Gray).

Q: What is the Gray (CLI-251GY) cartridge for? It improves grayscale smoothness and B&W photo quality.

Q: Are PGI-250 and PGI-270 interchangeable? No — different families, not cross-compatible.

Q: Are Castle Ink compatibles safe? Yes, engineered to OEM specs with a satisfaction warranty.

Q: Does XL save money? Yes — XL roughly doubles standard yield for significantly lower cost per page.

— William Elward, Castle Ink

Written and reviewed by — Founder of Castle Ink, 20+ years in the printer & imaging supplies industry.