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2. IF YOU REPLACE THE ENGINE PCB
<What to do when replacing the engine PCB>
Rewriting the firmware (Engine Program)
Performing the Color Calibration
Performing the Auto Registration
<Which parts to use>
- Engine PCB: The table below shows the ROM type.
Flash ROM 0 (512 Kbyte): Engine Program
<What you need to prepare>
(1) Computer (Windows
XP/2000 or later)
Create a “hl4000” folder on the C drive, for example.
(2) HL-4040CN/4050CDN/4070CDW target machine
(3) A USB flash memory drive
(4) The Firmware:
Engine Program:
LZ0833_A.djf
LZXXXX_$.djf
LZXXXX: First six digits are a parts number of the firmware.
$: Alphabet representing the revision of the firmware.
<Procedures>
Rewriting the firmware (Engine Program)
Note:
- Make sure that the USB flash memory drive has enough space to save the program file.
- If you want to print an index of the files, choose “Index Print”. The “Index Print” selection
can be found after you scroll down through all the file names. Press the OK or Go button.
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