EPSON | Rev. A |
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 *.*” → “Please Send Data”
C A U T IToO Ncancel 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]
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
C A U TI O N
button. The message “ WAIT RESET” appears and the contents of the firmware remain old.
Once the Enter button is pressed, the updated 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.
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”
appears, and the contents of the firmware remain old.
If the Enter button is pressed, the rewriting job continues and is
done properly, but the printer does not operate.
CRB file does not exist in the data file.
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” appears and the contents of the firmware remain old.
Chapter 4 Disassembly/Assembly | 130 |
