Common failures and troubleshooting methods of inkjet printers

In office equipment, inkjet printers are more commonly used. Due to reasons such as use, maintenance, and improper work, inkjet printers often have some faults. How to solve them is a problem that users care about. Here we will summarize the common faults and treatment methods in daily work, hoping to help everyone.

Common fault one: The ink is scarce when printing, and the handwriting is unrecognizable. Most of the faults are due to the printer's long-term unused or Other reasons, which cause the ink delivery system to be obstructed or the print head is blocked.

Remedy: If the nozzle is not clogged very badly, just perform the cleaning on the printer. If it still does not work after repeated cleaning, you can remove the ink cartridge (for printers with non-integrated ink cartridge nozzles, you need to remove the nozzle, but you need to be careful), soak the nozzle in warm water for a while, be careful not to put the circuit board The part is also immersed in water, otherwise the consequences will be unimaginable. Use absorbent paper to absorb the water droplets, and then clean the nozzle a few times after installation.

Common failure two: After replacing the new ink cartridge, the printer's "ink out" light on the panel when it is turned on

Under normal circumstances, the "ink out" light will only come on when the ink has run out. After replacing the new ink cartridge, the "ink-out" light on the printer panel is still on. This failure occurs. One is that the ink cartridge may not be installed properly, and the other may be that the old ink cartridge is removed and replaced with a new one in the shutdown state Ink cartridges. Because after replacing the ink cartridge, the printer will charge the ink delivery system, and this process will not be able to be performed when the power is off, so that the printer cannot detect the reinstalled ink cartridge. In addition, some printers use the electronic counter inside the printer to count the ink capacity (especially in the statistics of the color ink usage). When the counter reaches a certain value, the printer determines that the ink is used up. During the ink cartridge replacement process, the printer resets its internal electronic counter to confirm that a new ink cartridge is installed.

Solution: Turn on the power and move the print head to the ink cartridge replacement position. After installing the ink cartridge, let the printer refill the ink. After the refilling process is over, the fault is eliminated.

Common failure three: the treatment of the soft plug of the nozzle

Soft plugging refers to a wire breakage caused by the increased viscosity of the ink on the nozzle due to various reasons. Generally, the original ink tank can be restored after many times of cleaning, but this method is too wasteful of ink. The easiest way is to use the empty cartridge in your hand to clean the nozzle. Before cleaning with an empty ink cartridge, first use a needle to pull out the remaining ink in the ink cartridge as much as possible, the cleaner the better, and then add the cleaning solution (available in the accessory market). When filling the cleaning liquid, it should be done in a clean environment. Put the ink cartridge with the cleaning liquid on the machine according to the normal * of the printer, and press the cleaning button of the printer to clean it. Use the light color of the residual ink in the ink cartridge and the cleaning solution to perform the printing test. After the normal, replace the ink cartridge and use it. [next]

Common fault four: troubleshooting of printer cleaning pump nozzle

There are many problems with printer cleaning pump nozzles, and it is also one of the main factors that cause plugging. The cleaning nozzle of the printer plays a decisive role in the protection of the printer nozzle. After the nozzle carriage returns to position, the nozzle should be cleaned by the pump nozzle to perform weak suction treatment, and the nozzle should be sealed and protected. When a new ink cartridge is installed in the printer or the nozzle is disconnected, the suction pump at the lower end of the machine should use it to pump the nozzle. The higher the working accuracy of this nozzle, the better. However, in actual use, its performance and airtightness will be reduced due to the prolongation of time and the increase of residual solidification of dust and ink in this mouth. If the user does not regularly check or clean it, it will cause your printer nozzle to continue to malfunction.

The method of maintaining this part: remove the upper cover of the printer and remove the trolley, rinse it with a needle tube of pure water, especially clean the micro-porous gasket embedded in the mouth. Users are reminded here that when cleaning this part, do not use ethanol or methanol to clean it, as this will cause the microporous gaskets embedded in this component to dissolve and deform. In addition, the inkjet printer should be kept away from the high-temperature and dusty working environment as much as possible. Only a good working environment can ensure the long-term normal use of the machine.

Common fault five: The processing of detecting the normal ink line and the obvious deterioration of printing accuracy

In the use of inkjet printers, the printing accuracy gradually deteriorates due to the extension of the number of times and the time of use. Inkjet printer heads also have a lifespan. Generally, a new print head is used from the beginning to the end of its life. If there is no failure, it will be 20-40 ink cartridges. If your printer has been used for a long time, and the printing accuracy has deteriorated, you can try to replace the ink cartridge. If you replace several ink cartridges, the output results are the same, then the nozzle of your printer will be replaced. Too. If there are changes after replacing the ink cartridge, it may indicate that the ink cartridge you are using has non-original ink of poor quality.

If the printer is new, the results of printing will not satisfy you. Frequently, the printing line is unclear, the text graphics are skewed, the outer border of the text graphics is blurred, and the synchronization accuracy of the ink output control is poor. The ink cartridge used is a non-original product and should be replaced immediately.

Common fault six: Handling of the misalignment of the walking trolley

The track of the inkjet printer's walking trolley is made by the precise combination of two powder alloy copper sleeves and a round steel shaft to slide. Although a piece of linoleum pad is designed and installed on the walking trolley to supplement the lubricating oil on the shaft, because there is dust everywhere in our environment, for a long time, due to the oxidation of the air and the destruction of the dust, the lubricating oil on the surface of the shaft will age Failure, if you continue to use the printer at this time, the friction between the shaft and the copper sleeve will increase and the cart will move out of position until it collides with the front of the car and becomes unusable.

The solution is to turn off the power of the printer as soon as this fault occurs, and push the unreturned trolley back to the parking space by hand. Find a small piece of sponge or felt, soak it in the sewing machine oil and rub it back and forth with the tweezers on the spindle. It is best to remove the main shaft, wash it and apply oil, which has the best effect.

The other kind of cart collision is caused by damage to the device. There is a photoelectric sensor above the parking space of the printer car, which is an important element that provides the reset signal of the printing car to the printer motherboard. If this component is too dusty or damaged, the printer's car will not touch the front of the car because it cannot find the return signal, and it is generally necessary to replace the device when this fault occurs.

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