Epson 680Pro Service Manual - Page 115
EEPROM check function, Change EEPROM data
UPC - 010343832138
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EPSON Stylus COLOR 680/777/777i 5.1.13 EEPROM check function You can check the EEPROM data or can write the specific data into the specific address of the EEPROM directly even if the printer is error condition. (In case one of the main logic circuit such as CPU, I/F receiver IC, RAM, EEPROM is broken, this function is not available) Select the "EEPROM check" function in the Maintenance menu. The main menu of this function is as following figure. The following two function is built in this program. n Check the EEPROM data You can check the specific data stored in the specific address of the EEPROM. Input the specific address with hexadecimal code by referring Section 7.1.2 on page 127 (EEPROM map). Use this function in your analysis usefully. Revision B n Change EEPROM data You can change the specific data stored in the specific address of the EEPROM. However, do not use this function except the special case. Careless usage causes any trouble. C A U T IO N Figure 5-28. EEPROM data n Do not use this function except the special case. Careless usage causes any trouble. Adjustment Overview 115