Updating The Firmware; Updating The Program Rom; Error Indications And Measures - Epson EPL-N2700 Service Manual

EPSON EPL-N2700 / N2750

4.2.24 Updating the Firmware

The firmware for this printer is stored in the DIMM on the Main Circuit
Board. The following sections describe two different updating method.
(Refer to Chapter 1.)

4.2.25 Updating the Program ROM

This method involves downloading the firmware from a parallel
interface.
1. Make sure the firmware (a file with the extension code ".crb") is
saved in the hard disc of the PC.
2. Connect the printer with the PC using a parallel interface cable.
3. On Windows system, click Start / Settings / Printer, and set this
printer as default. then set the printer port to LPT1 (or corresponding
port).
4. While holding down the buttons On Line, Alt, and Value on the
control panel, turn the printer on.
The messages below consequently appear and enters ready status.
"Program Device" → "Version *.*"
C A U T I O N To cancel this function at this point, turn the printer
power off. The contents of the firmware remain old.
5. Type the following command line to transfer the new firmware.
> copy_*.crb_lpt1 [Return]
Disassembly/Assembly
→ "Please Send Data"
Disassembly Procedure
6. When the message "OLD: **** NEW:****" appears, press the Enter
button. As the message below appears, the firmware update begins.
To cancel the updating at this point, press the Menu
n
C A U T I O N
button. The message "WAIT RESET" appears and the
contents of the firmware remain old.
Once the Enter button is pressed, the updated
n
contents can not be returned to the old status.
7. If the message "Check Sum ROM Data" appears, it means the new
program has been properly transferred. Then turn the printer off and
back on or press the Enter button to boot the printer, and the printer
is in the ready status. After this point, the printer operates with the
new firmware.

4.2.25.1 Error Indications and Measures

A different type of firmware has been transferred.
o
After data transfer, the printer displays the following message
before version confirmation:
"<END : CMD Error : CONT>".
If the Menu button is pressed, the message "WAIT RESET"
n
appears, and the contents of the firmware remain old.
If the Enter button is pressed, the rewriting job continues and is
n
done properly, but the printer does not operate.
CRB file does not exist in the data file.
o
After data transfer, the printer displays the following message
before version confirmation:
"<END : CMD Error : CONT>".
If the Menu button is pressed, the message "WAIT RESET"
n
appears and the contents of the firmware remain old.
Revision B
140