Each cartridge has poor ink distribution on the page. For example, two or three lines or more per page will be darkened instead of being completely filled with ink. This will progress intermittently, starting with a few lines that are lightly applied from time to time and ending with a few lines that appear more frequently as the ink cartridge is used. If this happened to a single ink cartridge I probably wouldn't waste time giving a bad review, but it has happened to multiple cartridges.
TEINO Remanufactured Ink Cartridge Replacement for Canon 245XL 246XL PG-245XL CL-246XL PG-243 - Compatible with Canon PIXMA MG2520 MG2920 MG2922 MG2420 MG2522 TS3120 MG3022 MX490 MX492 (1 Black, 1 Tri-Color)
12 Review
MFP inkjet HP Ink Tank 315, color, A4, black
23 Review
Freezer Saratov 153 (MKSH-135), white
25 Review
Cool Toner 055H Compatible Toner Cartridge Replacement for Canon: High-Quality Ink for Your Printer (Black Cyan Magenta Yellow, with Chip, 4-Pack)
12 Review