4 Pack 280xxl PGBK Black Ink Cartridges for Canon 280 PGI-280 PGI-280XXL 280XXL PGBK for Canon PIXMA TR7520 TR8520 TS6120 TS6220 TS8120 TS8220 TS9120 TS9520 TS6320 TS9521 Printer

Product Information: Name: PGI-280XXL 280 PGBK Ink Cartridges Page Yield: 600 pages per ink cartridges(at 5% coverage of A4 paper) Ink Volume: 27ml Chip: With Chips Installation: Step1 Remove the orange protective cap carefully. Step2 Insert into corresponding slot until it clicks into place. For the better printing performance, please clean the printhead for 2-3 times after installing the new ink cartridges. To prevent the print head from becoming clogged, please turn on the power once a week if you do not use the printer regularly. Troubleshooting: 1.If the printer shows a message such as "NO INK" or "Non-Original", please click “Start” or “OK”. This is normal for compatible cartridges,please take them off and install again. 2.After installing, if the ink level monitor on the printer reads empty, please reinstall the cartridge. It may take a few attempts. Cartridge performance is unaffected even without ink level monitor. 3.If the cartridge give you an error message, please remove the cartridge and turn off the printer for about 30 seconds. Then turn on the and reinstall our cartridges. 4.If line or blurry happens, please try to clean printhead for three times.