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5. Troubleshooting of printer cleaning pump nozzle

There are many problems with the printer cleaning pump nozzle, which is also one of the main factors causing the plug. The printer cleaning pump nozzle plays a decisive role in the protection of the printer nozzle. After the nozzle trolley returns to its position, the nozzle shall be weakly pumped by the cleaning pump nozzle to seal and protect the nozzle. 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 pump air through it to the nozzle. The higher the working precision of this nozzle, the better. However, in actual use, its performance and airtightness will be reduced due to the extension of time and the increase of dust and residual solidification of ink in the mouth. If the user doesn't check or clean it regularly, it will make your printer nozzle keep breaking down.

Maintenance method for this part: remove the upper cover of the printer and move the trolley, use a needle to suck in pure water to wash it, and especially fully clean the microporous gasket embedded in the mouth. In particular, the user should be reminded that when cleaning this component, it must not be cleaned with ethanol or methanol, which will cause the dissolution and deformation of the microporous gasket embedded in this component. In addition, it should be mentioned that the inkjet printer should be kept away from the working environment of high temperature and dust as far as possible. Only a good working environment can ensure the long-term normal use of the machine.

6. Processing of detecting normal ink lines and obvious deterioration of printing accuracy

The printing accuracy of inkjet printers will gradually deteriorate due to the extension of time and time. Inkjet printer nozzles also have a long life. Generally, a new nozzle is used from the beginning to the end of its service life. If there is no fault, it is more successful, that is, the consumption life of 20-40 ink cartridges. If your printer has been used for a long time and the printing accuracy is getting worse, you can try to replace the ink cartridge. If you replace several ink cartridges and the output printing results are the same, the nozzle of your printer will be replaced. If there is any change after replacing the ink cartridge, it means that the ink cartridge you are using may contain nonoriginal ink of poor quality.

If the printer is new and the printing result is not satisfactory to you, the printing line segment is often unclear, the text and graphics are skewed, the outer boundary of the text and graphics is fuzzy, and the synchronization accuracy of the printing ink control is poor, which indicates that you may have bought a fake ink cartridge or the ink cartridge you are using is a nonoriginal product, and it should be replaced immediately.

7. Treatment of the dislocation and collision of the traveling trolley

The track of the Epson inkjet printer trolley is completed by the precise combination of two powder alloy copper sleeves and a round steel shaft. Although a piece of a felt pad containing oil is designed and installed on the traveling trolley to supplement the lubricating oil on the shaft, there is dust everywhere in our living environment. Over time, the lubricating oil on the shaft surface will be aged and invalid due to the oxidation of air and the destruction of dust. At this time, if the printer continues to be used, the trolley will be displaced due to the increase of friction between the shaft and the copper sleeve, until it collides with the head of the vehicle, which will make it unusable.

The solution is: once this fault occurs, turn off the printer power immediately, and manually push the car that has not returned to the parking space. Find a small piece of sponge or felt, put it in the sewing machine oil, and wipe it back and forth on the spindle with tweezers. It is best to remove the main shaft, clean it and apply oil, which has the best effect.

The other kind of car collision is caused by device damage. There is a photoelectric sensor above the parking space of the printer trolley, which is an important component to provide the printer motherboard with the reset signal of the printer trolley. If this element is too dusty or damaged, the printer car will not be able to use it because it cannot find the return signal and touch the car head. Generally, the device needs to be replaced in case of this fault.

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