If You Replace The High-Voltage Power Supply Pcb Assy; Initializing Pre-Discharge Detection Parameters - Brother HL-5440D Service Manual

4. IF YOU REPLACE THE HIGH-VOLTAGE
POWER SUPPLY PCB ASSY
<What to do after replacement>
• After replacement, the new high-voltage power supply PCB ASSY is no longer compatible
with the main PCB. Therefore, initialize the pre-discharge detection parameters.
What you need to prepare
(1) One USB cable
(2) Create a temporary folder on the C drive of the computer (Windows
(3) Download utility (FILEDG32.EXE)
Copy this into the temporary folder created on the C drive.
(4) Maintenance driver (MaintenanceDriver.zip)
When the maintenance driver is not installed, copy this into the temporary folder created
on the C drive, and extract the copied file. Refer to
MAINTENANCE DRIVER"
(5) Pre-discharge detection parameter initialization PJL file
PREDISCHAGESET_RESET.pjl
4.1

Initializing Pre-discharge Detection Parameters

LED model
(1) Open the front cover. Press and hold
the [Go] button, and turn ON the power
switch of the machine. Check that the
Back Cover, Toner, Drum, Paper and
Error LEDs light, and release the [Go]
button. Check that all LEDs go out, and
then press the [Go] button for at least
two seconds. The Paper LED lights,
and the machine enters maintenance
mode.
(2) Connect the computer to the machine with the USB cable.
(3) Double-click "FILEDG32.EXE" on the computer to start it, and select the "Brother
Maintenance USB Printer".
(4) Drag and drop the "PREDISCHAGESET_RESET.pjl" file onto the "Brother Maintenance
USB Printer" icon.
(5) Turn OFF the power switch of the machine.
for the installation procedure.
LCD model
(1) While the machine is in the ready state,
press the [OK] and [Go] buttons in this
order. Then press the [
times, and the machine enters
maintenance mode.
4-11
®
XP or higher).
"APPENDIX 3 INSTALLING
] button four
Confidential