Pressure roller of skycolor uv roll to roll printer is in close contact with printing consumables of skycolor uv roll to roll printer. Its function is to press and feed printing consumables forward and backward. It also fully demonstrates automation function of skycolor uv roll to roll printer.

1. Some fault manifestations of pressure roller during printing process of skycolor uv roll to roll printer:

① There are indentations on consumables after pressure roller passes on printing consumables;

②A few of pressure rollers will not move;

③Pressure roller sometimes moves and sometimes does not move;

④All pressure rollers will not move;

⑤ Printing consumables appear to be off-track or dodged;

2. Solution

①Indentation appears on consumable

Check if it is indentation caused by flying ink produced by skycolor uv roll to roll printer head attached to pressure roller during printing. Then we can control the ink flying problem of skycolor uv roll to roll printer head to avoid indentation.

②Individual pressure roller does not rotate

Check whether there is debris in rotating part of pressure rollers or pressure rollers is broken.

③There is a phenomenon that pressure rollers sometimes moves and sometimes does not move

Check whether there is a problem with printing consumables, whether there is unevenness, or whether spring on the pressure roller is loose, and whether there is debris that causes card to not rotate, check whether U-shaped groove and table is deformed.

④All pressure rollers do not rotate

It may be that operating system of skycolor uv roll to roll printer has temporarily failed or pressure plate is broken;

⑤ Paper arching phenomenon appears

Check whether it is caused by over-tightening of spring on pressure roller or uneven pressure on pressure roller.