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What are the common faults of laser printers?
When the laser printing machine is in use, it does not need ink and other consumables. Its printing method is very economical and has no bad impact on the environment. Therefore, its application is very wide. When using, sometimes there are some faults, so what are the common faults of laser printers? Today, the editor of Harmony Tianyu will give you a brief introduction.
1. The laser printer has not been used for a long time, but the laser output power of the laser is relatively weak. This situation is caused by many reasons. When leaving the factory, the output power of the laser measured by the manufacturer did not meet the technical standard requirements; the second reason was that the accuracy of the resonator adjustment did not meet the requirements, and the third reason was that the total reflection film had light leakage. The last one The reason may be that the insertion loss of the acousto-optic switch is not within the specified range.
2. After using for a period of time, the output power of the laser of the laser printer decreases, and the reason for this situation is more complicated , you need to check one by one, first fine-tune the resonator mirror, so that the output spot is the best, and see if the laser resonator has changed; then look at the total reflection and whether the output diaphragm is stained; If it is found that the acousto-optic crystal is offset or the output energy of the acousto-optic power supply is low, you can adjust the position of the acousto-optic crystal; then check whether the temperature difference between the water temperature setting of the cooling water tank and the environment is greater than five degrees; the use of krypton lamps Has the life expired? If it is found that the laser entering the galvanometer is deviated from the center, the laser can be adjusted; if the current is adjusted to about 20 amps, and the photosensitive intensity is still not enough, it may be that the krypton lamp is aging and needs to be replaced new lights.
Through the above content, we have already understood the problem of the use of the laser printing machine. When the above problems occur, you need to find the cause in time , to see what is causing it, so that correct measures can be taken to deal with it.
(This article is edited by the editor, please be sure to indicate the source:)
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