Input/Check Usb Id - Epson Stylus PHOTO 890 Service Manual

EPSON Stylus Photo 890/1280/1290
4. Click OK and the present adjustment values are displayed.
Figure 5-32. Present Adjustment Data Display
5. To exit or continue the program, click Quit on the lower left. Refer to Figure
5-17."Exit Window" on page -131.
The setting value is not effective until the printer is turned off and
C A U T I O N
back on. It is because the setting value is stored in EEPROM when
the printer is turned off.
ADJUSTMENT

5.3.3 Input/Check USB ID

You are required to perform Input USB ID whenever you replace the main board.
The Stylus PHOTO 1280 is equipped with the USB interface as standard. In the
Windows 98 or iMAC environment, the USB port driver controls its device using the
USB ID stored in EEPROM. Therefore, you need to input a unique USB ID for a new
main board.
During a repair service, a new USB ID is formed with a 10-digit product serial number
and the rest (8-digit) produced by the service program. You need to input the new USB
ID in EEPROM.
You need to input a new USB ID for the following reasons:
C A U T I O N
1.
2.
Individual Adjustment Program
If the main board is replaced, the ID for the board is no longer
used.
If the ID is in conflict with an ID used for any other peripheral
devices, the printer can not be connected with a USB interface.
Revision C
137