For Use With(Printer Models): For Canon PIXMA MG5420 For Canon PIXMA MG6320 For Canon PIXMA MX722 For Canon PIXMA MX922 For Canon PIXMA iP7220FAQ: Q: Can I install empty Continuous Ink Supply System/Cartridges into printer? All CISS or refillable ink cartridge should not installed in printer to try chip working or not before you refill ink full level well, the chip may be locked permanently if the cartridge is empty. Don't install the empty (without ink)CISS/cartridges into the printer, that the CISS/cartridges must be filled full ink(tank/pipe/ink cartridge must be full ink), then installed into printer; otherwise, when the empty ink cartridges are inserted to printer, the chip will be locked permanently and can't be used normally, although after that you filled ink. Q: How does it work? Tubing is attached to cartridge and moves back and forth with the print head. Continuous inkreplacement as it is drawn out of cartridges. It does not touch inside of printer or affect normal operation in any way. Q: How sensitive is the printer to the ink level in the reservoir bottles? Your printer will operate properly as long as you keep the bottle at the same level as the printer. The padding in the cartridges creates a nice pressing buffer so that the printer is able to operate with various ink levels in the bottles. If you raise the bottle up to a higher level, you run a risk of ink pooling on the paper. In normal operation with the bottle sitting next to the printer, you will experience the same great print quality no matter what the level of ink in the reservoir bottles. In fact, the print quality should be equal to what you get with a fresh, full cartridge all the time.(Normal cartridges tend to degrade in quality as the ink level drops).
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