HL-2030/2040/2070N SERVICE MANUAL
Confidential
6-1
CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS,
REQUIRED AFTER PARTS REPLACEMENT
1. IF YOU REPLACE THE MAIN PCB
The table below shows the ROM type of each main PCB.
Main PCB
Model
ROM 0
For a production part 8 Mbit Mask ROM x 1 HL-2030
For a supplied part 16 Mbit Flash ROM x 1
For a production part 8 Mbit Mask ROM x 1 HL-2040
For a supplied part 16 Mbit Flash ROM x 1
For a production part 64 Mbit Mask ROM x 1 HL-2070N
For a supplied part 64 Mbit Flash ROM x 1
<What to do when replacing the main PCB>
Rewriting the firmware (ROM) of the printer
Setting the default paper size.
Setting the serial number.
Inputting the adjusted value of the laser scanner.
Setting the starter toner cartridge.
<Which part to use for the operation>
HL-2030 LJ9712001 MAIN PCB ASSY 2030 FLASH
LZ0405001 FW: MAIN CONTROLLER 2040
HL-2040 LJ9797001 MAIN PCB ASSY 2040 FLASH
LZ0405001 FW: MAIN CONTROLLER 2040
HL-2070N LJ9764001 MAIN PCB ASSY 2070N FLASH
LZ0406001 FW: MAIN CONTROLLER 2070N
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