HP cp 1025 color laser printer has many black spots when printed.

There are many black spots on the paper printed by the laser printer, which may be due to the following reasons:

1, check whether the paper is normal, and replace the printing paper with better quality;

2. Check whether there are black spots on the drum core of the toner cartridge. If there are black spots, replace the drum core;

3. Check that there are black spots on the platen glass, and clean the platen glass with a paper towel;

4. Check whether there is a powder block on the fixing component, resulting in black spots when printing out;

5, check the laser for foreign bodies, clean the laser.