Solution:
1. Check that the printing film is installed smoothly and correctly, whether the printing film align well, otherwise it will scratch the printhead, which is deadly to printhead.
2. Check whether the height of iron blocks on both sides of the fixed paper feeder are the same.
3. Check whether the fan suction function is on.
4. Check whether all the pinch rollers are pressed, check whether the pinch roller is damaged

Solution:
1. Check the printhead whether can suck out the ink (the solution follow the Qusstion one situation 2)
2. Check the headboard whether with red light flashing(According the Question 2)
3. Testing the problem of the print head itself or the problem of the channel on the head board,you need to connnect the print head which can't print at all or can't print a complete test trip to the other channel on the head board.
4. Check the cables on the both side of printhead whether there is any ink on the cables, clean away the ink on the printhead and then wipe it with dust-free cloth, confirm there is no ink on, then replace new cables, if the issues are the same, the problem is that there is ink leaking inside the printhead lead to the printhead burnt out.

Solution:
1. Check whether the printer is ON and whether the software version is correct
2. Check whether the printer network cable is in poor contact
3. Check whether the computer IP address is correct, the correct IP address : 192.168.127.11(the first three digits must be the same, the last digit can not be 10, other number can be)
4. Check the computer’s network cable port whether with a gigabit network card, 100Mbps network card will fail to connect to the printer.
5. Check whether the network cable connection port on the main board is damaged.

1. Check whether the bearing is stuck or damaged
2. Check whether the motor works, if it does not work, check whether the motor has DC 24V voltage input, there is a voltage input but the motor does not work, that is, the motor is broken. No voltage input need to check whether the powder dusting switch is damaged and whether the wire is in poor contact.

1. Check whether the heating pipe is all working, if there is damage, it need to replace.
2. Check whether the probe and the temperature controller’s wire are in bad contact.
3. Probe, the temperature controller or solid state relay(SSR) damage, need to be detected one by one.