Firmware Upgrade; Local Machine; Remote Fax - Samsung ML-920 Service Manual

Troubleshooting

4-4-7 Firmware Upgrade

It is a new Firmware, and there are two Upgrade methods by local and remote.

4-4-7-1 Local Machine

RCP(Remote Control Panel) mode
This method is for Parallel Port.or USB Port Connect to PC and activate RCP(Remote Control Panel) to
upgrade the Firmware.
< Method >
How to Update Firmware using RCP
1. Connect PC and Printer with Parallel Cable or USB Cable.
2. Execute RCP and select Firmware Update. Current Firmware version and Emulation Version are displayed
on Current version window.
3. Search Firmware file to update with Browse Icon.
4. Click Update icon, firmware file is transmitted to Printer automatically and printer is initialized when it fin-
ished.
5. Click Refresh icon and check what is updated.
DOS Command mode
This method is just for Parallel Port. Connect to PC with Parallel cable and enter DOS Command to upgrade
the Firmware.
< Method >
a). The first of all, need the files : down.bat, down_com.bin, fprt.exe, and Rom File : file name for upgrade.Save the files in the
same folder.
b). In the DOS, input as below and push the enter key. Then, it will be automatically upgraded.
c) There are two commands for the conditions of product.
* When the product is in idle condition
down "rom file"
* When the product is in idle condition(TECH MODE → MAINTENANCE → FLASH UPGRADE → LOCAL)
fprt "rom file"
d) Do not turn off the power while upgrading process.

4-4-7-2 Remote FAX

This is a function that a fax with the latest firmware sends files to a fax in long distance through telephone line.
< Method >
1. Operate a fax with the latest firmware to prepare it being upgrade.
(TECH MODE MAINTENANCE FLASH UPGRADE REMOTE)
2. Input the fax number, which needs to be upgraded.
(Several faxes can be upgrade at the same time. In this case, enter the each fax number.)
3. After push the enter button, send the firmware file by calling to the appointed number.
(Around 10~15 minutes needs to send the file.)
< Caution >
1. sending and receiving fax must be the same model.
2. A sending fax must be set up as ECM mode, and a receiving memory must be set up as 100%.
If not, the function operates abnormally.
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