Eeprom Check Function - Epson STYLUS COLOR 480 Service Manual

EPSON Stylus COLOR 480

5.3.5 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 three function is built in this
program.
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Check the cleaning counter
You can check the following information stored in the EEPROM.
* How many times of the manual cleaning were performed on the product.
* What kind of the manual cleaning was performed on the product.
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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 131 (EEPROM map). Use this function in your analysis usefully.
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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.
Figure 5-50. EEPROM function
Adjustment Individual service adjustment program feature
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Do not use this function except the special case. Careless usage
causes any trouble.
Revision B
118