Four major sets of printing experience inaccurate reasons

mechanical

a. The heavenly adjusting plate locking screw is not fixed, or the M5 hexagonal screw on the feed rocker arm is tightly fixed;

b. Push paper seat copper sleeve is worn out;

c. Paper feed wear;

d. Printing pressure is too small;

e. gear wear;

f. The blanket is too loose and tight.

Paper

a. Paper cutting accuracy is not high;

b. The amount of water during printing is too large and the paper is stretched.

other

a. There is a problem with the plate or manuscript itself;

b. The stack of paper jams is too high or the pressure of the platen is too heavy, causing paper jams.

Left and right sets are not allowed:

a. The left and right baffles are too tight or the left and right baffle screws are fixed;

b. The length of cardboard is different;

c. The drum moves around;