Lenovo M7400 printer cartridge is still prompted to replace after replacement, what should I do

Either you didn't install it well, or you installed it not original, and the system can't recognize it.

If it's the reason for the compact, that is, you are greedy for cheap and didn't buy the original one, then just buy a new one.

If you buy a genuine one, since you have already replaced it, it is definitely not toner.

The reason for the rest can only be that you didn't install it well during the installation process, you can take the printer apart and then remove the cartridge and then reinstall it.

Fault analysis: take out the toner cartridge, shake it and find that there is a lot of powder in it, open the toner cartridge window to check that the remaining powder of the two toner cartridges is basically toner, and then reinstall it on the printer, the printer can print again, but soon it prompts that the toner has been used up. Open the case, check, found that the machine is equipped with a toner sensor, once the toner in the toner cartridge is detected, the printer will immediately light up to indicate invalid, if you do not replace the new toner cartridge, it can not print.

The printer's powder prompt is a false alarm, which is a false alarm, which is mainly caused by the oversensitivity of the toner sensor. Troubleshooting method: Replace the toner sensor to troubleshoot.

However, due to the high cost of laser printing consumables, the toner sensor is shielded with a shield, and it is not allowed to alarm, but directly judged according to the printing effect until the toner is close to being used up.

Click Clear to show the replacement toner cartridge after returning, the dot is, it is useless, the replacement cartridge --- dot "start" and then nothing is displayed. Press the + sign. Until 11 is displayed, press OK and a confirmation appears.

Press Start, close the front cover 1, put the toner cartridge into the machine after adding powder, power on, open the front cover (the front panel that opens when the toner cartridge is put in), press the "Clear Return" button, then press "Start", then press the "+" button, press 11 times, display "11", and then press the "Confirm" button, accept, pass, the machine can work normally; 2. After adding powder, put the toner cartridge into the machine, power on, open the front cover (the front panel that opens when the toner cartridge is inserted), press the "Clear Return" button, then press the "*" button and then press the "0" button 2 times, and then press the "Confirm" button, accept, pass, and the machine can work normally. If the printer has been working for a period of time, the machine prompts a low amount of powder, as long as there is powder in the compact, it can continue to be cleared and used in this way.

What is the reason why Lenovo printer M7400 still prompts to replace the toner cartridge after replacing the toner?

1 38 people asked.

Xianxing Tianxia 667

Here's how to replace it.

1. Power on - open the front cover - press the clear return button - up arrow;

2. Press the Clear Return Key - Start Key - Up Arrow 11 Times - Display 11 on the screen - OK Key - Close the front cover.

3.Remove the toner cartridge and separate the toner cartridge from the toner cartridge (press the green button);

4.Remove these two screws. And remove all the plastic gears, remember to take pictures so as not to forget the order.

7.Insert the toner cover into the corner with a screwdriver and remove it.

Lenovo M7400 printer cartridge is still prompted to replace after replacement, you have bought fake consumables for this problem, because there is a chip for new consumables, and the device will automatically identify it and use it normally. Of course, if it is not recognized, it will not work, and even brand new consumables will not be usable.

Description: There is no printer clearing.

Tool Material: Take Lenovo M7400 all-in-one as an example.

1. First of all, open the carton lid of the Lenovo M7400 all-in-one computer.

2. Furthermore, the ink cartridge of the Lenovo M7400 all-in-one computer is pulled out, so that the Lenovo M7400 all-in-one computer is in a vacant state.

3. Next, press the "1" button on the operation panel of the Lenovo M7400 all-in-one machine.

4. After that, press the "Clear and Return" button on the operation panel of the Lenovo M7400 all-in-one machine.

5. Finally, on the operation panel of the Lenovo M7400 all-in-one machine, press the "Start" button to clear the Lenovo M7400 all-in-one machine.

Lenovo printer M7400 keeps displaying: Open the front cover and replace the toner cartridge, what should I do?

1. Prompt that you need to replace the ink cartridge and open the front cover. 2. Remove the toner cartridge and drum unit components from the device. 3. Press the green lock lever and remove the toner cartridge from the toner cartridge.

4. Remove the protective cover. 5. Tightly load the new toner cartridge into the drum unit, and a machine sound will sound when it reaches its locking position. Make sure the toner cartridge is properly loaded and when installed correctly, the green lock lever will automatically lift.

6. Gently slide the green slider left and right several times to clean the corona wire in the drum unit. Returns the slider to its initial position. The arrows on the slider must be aligned with the arrows on the drum unit.

7. After replacing the toner cartridge, close the front cover.

Tool Material: Lenovo M7400 printer.

1. First open the front cover of the Lenovo M7400 printer.

2. Then press the "Clear Back" button on the Lenovo M7400 printer operation panel.

3. Then put in the new toner cartridge of the Lenovo M7400 printer.

4. After that, the display screen of the Lenovo M7400 printer operation panel will have the words "whether to replace the toner cartridge".

5. Secondly, Lenovo M7400 printer operates the mountain sail as a panel and presses the "start" button to tease this hail, and then press the " " button.

6. At this time, the display screen of the Lenovo M7400 printer operation panel will appear with the word "01".

7. Finally, close the front cover of the Lenovo M7400 printer.