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Stylus C40UX/C40SX/C20UX/C20SX Revision A
Adjustment Overview 83
5. By choosing the misaligned dot size, following input menu for the adjustment
value is displayed. Check the printed pattern again and Input the suitable value in
the following menu and click the “OK” button. The input value is written in the
specific address of the EEPROM.
Figure 5-13. Bi-d adjustment input menu
6. To confirm if the adjustment value is suitable, click the “Previous” button and go
back to the “Bi-Directional Adjustment” menu. Choose the “Print the Bi-D
adjustment patter” and click the “OK” button.
5.1.7 USB ID
When you replace the main board with a new one, you have to input the USB ID newly
into the specific address of the EEPROM. When the Printer and the PC are connected
with a USB cable, the USB port driver loads the unique code from the specific address
of the printer’s EEPROM and the provides the USB port number to the unique code.
The USB port driver controls the several USB ports under the Windows 98
environment.
A unique code called USB ID is input to the specific address of the EEPROM in our
manufactory and the following total 18-digit code is used as a USB ID for the EPSON
ink jet printer.
Factory line number (3-digit)
PC number (2-digit)
Input year/month/date/time (hour, minutes, second) (12-digit)
The timer data of the PC is used for this input data.
Number 0
A “0” is automatically added for the last digit in the input program.
In repair activity, we use a 10-digit code of the Serial number for a USB ID. The
remaining 8digits code is generated in the adjustment program and added to the serial
number automatically.