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3. IF YOU REPLACE THE LOW VOLTAGE
POWER SUPPLY PCB ASSY
3.1 Reset of Irregular Power Supply Detection Counter
The irregular power supply detection counter increases by one when the machine detects
irregular power supply. When the counter reaches the limit and the irregular power supply
detection error is displayed, replace the low voltage power supply PCB ASSY, which may
have been damaged by repeated irregular power supply, and reset the irregular power
supply detection counter.
In this case, if the same power supply is used, the same error may occur even when the low
voltage power supply PCB ASSY is replaced. Ask the user to review the installation
environment.
(1) Press the [Menu] button and then the [Start] button while the machine is in the ready
state. Next, press the [ ] button four times to enter the maintenance mode.
"
MAINTENANCE
" appears on the LCD, indicating that the machine is in the
initial state of the maintenance mode.
(2) Connect the computer to the machine with the USB cable.
(3) Double-click the "FILEDG32.EXE" file to start it. Select the "Brother Maintenance USB
Printer".
(4) Drag and drop the "SQWAVE.PJL" file onto the "Brother Maintenance USB Printer" icon.
Note:
• The maintenance driver must have been installed. (Refer to "APPENDIX 3
INSTALLING MAINTENANCE DRIVER".)
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