Epson AcuLaser CX11 Service Manual page 535

EPSON AcuLaser CX11/CX11F
5.2.2.2 MCU Firmware Update
The procedure to update the MCU firmware (engine firmware) is given in the following tables.
Procedure
1 Check the current version.
Print a status sheet or engine status sheet, and check the current firmware version.
After turning the power off for both the printer and computer, connect them with a USB cable.
Connect the printer with the C A U T I O N
2
computer.
3 Prepare the update data.
Turn the computer on and copy the program update file (the extension is MOT) onto the computer.
Turn the product ON while holding down the [Color Start], [Reset], [Up], and [Down] buttons. The product will start
up in "Engine Firmware Update" mode.
4 Start up the Printer.
ADJUSTMENT
Table 5-4. MCU Firmware Update
Before connecting the USB cable, make sure to disconnect other interface cables from the product.
Method
Printer Section
Revision B
LCD Panel
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Engine Firmware Update
EFU Ver. XXX
Please send EFU data
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