Epson DFX-9000 Service Manual page 260

Epson DFX 9000
Check Pattern Print
This function causes the printer to print out the current parameters stored
in EEPROM, as well as the check patterns for Bi-D alignment and
printhead pin check. If necessary, the Bi-D Alignment adjustment and
the EEPROM Initialization can be executed from within this menu
without having to return to the main menu.
Adjustment
Firmware Update
Through this menu, the IPL (Initial Program Loader) and the firmware
on the printer can be updated. Turn the printer ON, and transmit the IPL
and firmware data files to the printer.
Additional functions
Revision B
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