Brother HL-4200CN Service Manual page 354

1.2 Controller Firmware upgrade
All PCBs are supplied with Firmware written in, however, if there is a problem,
you can upgrade PCBs with the following procedures:
The following Firmware can be upgraded with the On-demand Downloader
- Controller firmware
- NIC Boot program (DIP SW (JP2) of NIC card must be ON.)
- NIC Firmware
The following Firmware must be written in Download mode
- Controller Boot program
- MCU NVM / Firmware
Setting up PC
1.
2.
Install the printer driver.
Install Filedg32 and Firmware (e.g.: hibana.dlb, Hbn1_01_01.dlb) in
C:¥HL4200.