Canon Canon MG7720/MG7780 Inking Method

Do not know whether to buy the 7720 Black Friday have received the goods, today is a matter we are very concerned about the supplies, the printer was bought, it is not easy to use, the original supplies a set of prices to catch up with the machine price. Refillable ink cartridges are inexpensive, but they have many different types of quality and do not know which one to choose. In fact, the best solution is to use original ink cartridges to add ink. The following full dry goods, please look carefully to prevent mistakes.


The 7720 and 7780 are the same machine, but they are sold differently, the firmware is different, and the hardware is the same. Theoretically, the 7720 firmware can be applied to various 7780 original, compatible supplies.

1. Why add ink? A: The original ink cartridge is too expensive. The price of a set is close to that of the machine. The price is too low. Compatible cartridges are currently available on the market, and a few are also very expensive. One set is down to nearly 200 yuan. Compatible cartridges (filled cartridges) may leak ink due to the die process. Therefore, using original ink cartridges to add ink is the best choice to reduce the cost of use.

2, what ink? A: Many traditional big brands in the market are compatible with Canon ink, and other kinds of brands, such as the Sacramento, Tianwei, and Baidu West, are more subjective in terms of specific brands. There is also an original ink, which is used by Canon ink cartridge printers, which can be used to add. This may be the closest to the original ink effect, but only 4 colors, gray or use compatible ink. It should be noted that only the original ink cartridge PGBK is pigment ink and the rest are dye inks. The PPGK ink droplets are 13 pl, and pigment inks can be added as well as dye inks. Pigment ink is waterproof and the color looks darker, the document prints better, but the fluidity is not as good as the dye. Dye ink is more fluent and difficult to plug, but it is not waterproof. Marking with a marker, etc. may result in blurred writing. Other ink cartridges can only add dye ink, otherwise they will wait for the print head to be scrapped.

3, when to add ink? A: The first refill recommendation is to add compatible ink after the original ink has run out (the ink indicator light flashes rapidly). Since it is necessary to deactivate the ink detection later, it is necessary to estimate when it is appropriate to add the printing effect.

4, why not add ink ink printer also suggested no ink? A: The printer is based on the count data in the cartridge chip to determine whether there is ink in the cartridge, but not liquid level detection, so do not listen to what is added to the ink will show full of ink, not that matter! Printer Tips The ink level detection feature can be disabled by long press on the printer's stop button when no ink is available to print. The amount of ink on the printer and computer will be grayed out when disabled. Many filled cartridges are also unable to display the amount of ink, as with this, unless the chip is cracked. The advantage of filling the ink cartridge is that it is transparent and can easily see the remaining ink and add ink in time.

5. What is the difference between original ink cartridges and filled ink cartridges? A: No difference, the ink cartridges can be filled, but it is convenient to fill the ink cartridges.

6, the printer can not find the router how to do? A: Adjust the router's channel to 6 or 11.

Before adding ink, we first understand the structure of the ink cartridge. The Canon 7720/7780 cartridge uses a dual cartridge cartridge. The ink cartridge is divided into two parts: the front half is the sponge bin and the second half is the ink bin. There is a communication port.

The above pictures from the official user manual

As shown in the figure, we should add ink to the part A in the drawing, that is, the ink tank. Let the ink slowly penetrate the sponge through the communication port.

Picture from ininkool

Specific to the Canon original ink cartridges, you can see a few dismantling diagram

Picture from ininkool

Picture from ininkool

Here you can see that there are three sponges in the original cartridge

Picture from ininkool

Picture from ininkool

As can be seen from the above comparison chart, since the machine is equipped with a standard capacity ink cartridge instead of XL, the ink tank is small, and the ink tank is just below the label's two-dimensional code. Look at a close-up

Picture from ininkool

Originally, there was a hole above the ink cartridge of the original cartridge that could be used for ink refilling, but it was plugged by a plastic bead. So just remove the bead and fill the ink with a syringe to complete the ink refill.

Picture from ininkool

After reading the map above, everyone should know how to add ink. After taking the beads out, use a syringe to draw about 5ml of ink, and add it to the holes above. Be careful to add slowly and wait for the sponge to absorb. When installing ink, attach the cartridge cover to prevent ink leakage. About 5ml is added for each color, and about 10ml can be added for big black (PGBK). After the addition, use a transparent tape or buy a sealing plug from Ma Shoufu to seal the ink injection hole to prevent the ink from evaporating, entering the dust, and spilling the ink during handling.

The number of pages printed by the official MG7720/7780 is 4,000 pages. Exceeding this number will indicate that the ink pad is full. When prompted prompt ink pad full need to enter the maintenance mode with software cleared, the specific method is a lot of online, not written in detail

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