1. Content:5 packs = 1 PGBK + 1 black + 1 cyan + 1 magenta + 1 yellowPrinted pages: 600 pages per black ink cartridge, 6360 pages per black small box, 800 pages per color ink cartridge2. Printer compatibility:Canon Pixma TR series:Pixma TR7520 series/ Pixma TR8520 seriesCanon Pixma TS series:Pixma TS6120 seriesPixma TS6220 seriesPixma TS8120 seriesPixma TS8220 seriesPixma TS9120 seriesPicma TS9520 / TS9521C3. Advantages:?High-quality chip: accurate display of ink volume. Good recognition ability and stable printing performance?Excellent ink quality: provide clear text and graphics, produce clear, no paper jam, no leakage, and harmless to the printer.?Professional packaging: Standard independent sealed packaging can ensure the safety of the ink cartridge during transportation.?Strict quality control: Each ink cartridge has been systematically tested before leaving the factory to ensure that compatible printer models have complete functions.4. Warm reminder:?Do not touch the chip, otherwise the ink cartridge may not recognize the printer.?If you receive a message such as "You have not installed the original ink cartridge", click "Yes" or "Continue". Then the printer will continue printing.?For better printing performance, please clean the printer head and nozzles 1-2 times.?If an error such as "ink cartridge is damaged" or "replace cartridge" appears, turn off the printer for 30 seconds. Then open it, and then reinstall the ink cartridge.5. If you have any questions, please contact the seller first. We will answer your questions within 24 hours.