Please restart ACE Pro and the printer. After the restart, please continue printing to check whether the printer still reports error.
If the printer still reports this error after restarting, please reinsert the ACE Pro signal cable.
(1)If it does not work, please reinsert the cable from the mainboard to the driver board by following the instruction below.
Kobra S1- Motherboard replacement guide
(2)Then refer to the following instruction from the driver board to reinsert the motherboard and driver board cable.
Kobra S1- Print head case removal instruction
(1)Remove the print head according to the following document, check whether the cable between the print head board and the motherboard is loose, and then reinsert the cable between the motherboard and the print head board.
Kobra S1- Print head board replacement guide
(2)Then refer to the following documents from the motherboard to reinsert the motherboard and printing board connection.
Kobra S1- Motherboard replacement guide