EPSON AcuLaser C1100 Revision B
ADJUSTMENT Overview 489
5.1.4 Controller Firmware Update
This section explains a Controller firmware update.
NOTE: The computer should be able to send binary data under DOS via a
parallel interface.
1. Print a status sheet, and check the current firmware version.
2. After turning the power off for both the printer and computer, connect them with a
parallel cable.
3. After turning the computer back on, copy the program data for the update (file
name.CRB) to any route directory of the computer.
4. Turn the printer on while pressing the [Down], [Job Cancel] and [Start/Stop] buttons.
5. The LCD panel of the printer will indicate the messages as follows:
6. Check that the message “Please Send Data” is indicated on the LCD panel.
7. To transfer the program data file from the computer to the printer, type the command
(shown below) on the DOS prompt (from the directory that has “****.crb”) and press
the ENTER key of the computer.
8. The LCD panel of the printer will indicate the message as follow:
9. Press the [Enter] button on the operation panel of the printer.
10. Message will be changed as follow
11. When downloading the program data is finished, the checksum will be indicated on the
LCD panel. Confirm the checksum and turn the printer off.
12. Turn the printer back on and print a status sheet.
13. Referring to the status sheet pr inted in step 1, make sure the program fi rmware version
has been updated.
C A U T IO N Disconnect all interface cables except the parallel cable in advance.
Program Device Ver. xx.xx Please Send Data
copy /b filename.crb LPT1
OLD: xxxx NEW: xxxx
Erasing Device PRG FF XXXXC0