In the daily use of the processor, there are some common problems such as insufficient development of the printing plate. If the developer concentration is insufficient, the time for replenishing the developer is adjusted too long, and the printing plate may be insufficiently developed. If the temperature of the developer in the plate processor is too low, the flushing speed of the plate processor is too fast, the development time will be shortened, the development will be insufficient, and the plate will not be cleaned.
The following solutions are proposed for these common problems.
1. Check the developer temperature and development time and adjust to reasonable data.
2. When using the developer, the manufacturer will provide the proportion of the formula, which will be done according to the ratio. But sometimes you can add some.
3, the plate machine should be repaired in time, replace the rubber roller, regularly clean the crystal in the tank and the pipe wall. The specific method is: using oxalic acid to circulate water in the plate processor and effectively remove the dirt, and the brush roller of the ps punching machine should also be cleaned, and the necessary replacement is required.
4. In the process of removing dirt, the operation is not careful, except that the amount of dirty liquid is insufficient, the dirty injection is invalid, the liquid consumption time is short, and the dryness is removed on the plate after the dirty liquid is used, which may cause the printing plate to be dirty.
5. In the process of sizing, a low concentration of glue is used, and oxidation of the non-image part will cause the plate to become dirty. The solution to this kind of problem is: the surface should be fully washed after being dirty, the glue concentration should be increased when the glue is applied, the glue should be evenly distributed; the cover should be tightly closed after the use of the dirty note; the plate after the glue is applied, the length of the plate is dry Then print again.
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