Many wall printer companies claim that they have two printheads or four printheads. In fact, not many companies have this technology. How to tell the lie of the wall printer multi-nozzle?
Very simple, if you can choose to control the parameters of each print head in the software of the wall printer, then it has the actual number of print nozzles.
Many companies are just trading companies, and there are no technical engineers to provide after-sales support to customers. Wall printers often work, and it is inevitable that there will be minor faults. If there is no reliable engineer to promptly solve the problem, it will cause great trouble to the customer.