Epson PX-437A Error 0x89 Title: Resolving Epson PX-437A Printer Error Code 0x89: Insufficient Light and Other Possible Failures Introduction: When utilizing the Epson PX-437A printer, encountering error code 0x89 can be frustrating. This error is typically accompanied by messages such as “Insufficient Light error,” “PIS failure,” “Fault Detection Plate failure,” “Main board failure,” or “Ink…