LQ-1600KII printer (motherboard) Common fault repair
Example 1: Fault Phenomenon: After the LQ-1600KII printer is turned on, the cartoon is reset, and then the control panel indicator is full and flashing 5 times. Maintenance method: CPU TMP96C041F and TL431 are damaged. After replacement, the measurement R6 is 47 ohms, if not 47 ohms, replace R6. Start up, the printer will return to normal work.
Example 2: Fault Phenomenon: Printing Method: First Exclude the failure of the printhead and the head cable, it is still deficient, that is, the needle drive STA475A is damaged, each STA475A drives 4 printing needles, and uses the multimeter measuring Damaged STA475A and replace, troubleshooting. If Sta475a is damaged, the printhead can't keep the coil, and should be replaced.
