Epson AcuLaser C8500 Service Manual page 284

EPSON AcuLaser C8500
[SERVICE] TAB PROCEDURES
With the [Service] tab lets you write specifications to the MCU PWB
EEPROM(NVM), set the password, read the Master, and read/initialize
the Slave, and execute the FIRMWARE download function.
NOTE: The [Master] is the COMMUNICATION ASSY.
The [Slave] is the MCU PWB NVM.
The following screen is indicated by the direct connection with MCU
PWB or the option connector connection when it clicks on Service tab
after DIAG. tool was connected and DIAG. commander was started.
NOTE: Connect DIAG. tool by direct connection with MCU PWB when
using [Password Change], [Master Write], [Master Read], [Slave
Read], [Slave Initialize] surely.When [Port Number], [Flash
Write] are used, even which of the direct connection with MCU
PWB or the option connector connection is good.
NOTE: The connection establishment of the communication is done by
clicking on either menu button.
Chapter 4 Diagnostics
PORT NUMBER
The port number of the personal computer can be specified with [Port
Number]. (Contents of a change are kept.) If necessary, specify either
port number.
PASSWORD CHANGE
NOTE: This service is not available.
MASTER WRITE
NOTE: This service is not available.
Revision C
4-16