Chapter 1 Product Overview Unrecoverable Errors Printing is no longer possible when unrecoverable errors occur. The printer must be repaired. Turn off the power immediately when an unrecoverable error occurs. CAUTION 1 19 Error Error description Error LED flashing pattern Memory R/W error After R/W checking, the printer does not work correctly. LED ON LED OFF Approx. 160 ms High voltage error The power supply voltage is extremely high. LED ON LED OFF Approx. 160 ms Low voltage error The power supply voltage is extremely low. LED ON LED OFF Approx. 160 ms CPU execution error The CPU is executing an incorrect address. LED ON LED OFF Approx.
160 ms Internal circuit connection error Internal circuits are not connected correctly. LED ON LED OFF Approx. 2.56 s Approx. 160 ms