1. Check the visual appearance of the printer and the print head. Has it been smashed and scratched?Good packaging. No smashed and scratched. 2. Check inside the printer, the ink systems, boards and filters as well as the PH cover.Good.3. Note all of the series of printer parts. Above.4. Power on. Observe the screen if there is any issue. Good.5. Enter the password. Set up the pressure and modulation, date, time, sensor and encoder. Show the test pattern. Pressure -178 Modulation - 150 Sensor - triggered 6. Go to "valve test". On and off 5 valves if they work well.
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