4-7 Confidential
3. IF THE IRREGULAR SUPPLY DETECTION
ERROR IS DETECTED AND THE LOW VOLTAGE
POWER SUPPLY PCB ASSY IS REPLACED
3.1 Reset of Irregular Power Supply Detection Counter
The irregular power supply detection counter is counted up when the machine detects
irregular power supply. If the counter reaches to the limit, the machine shows the service
error to replace the low-voltage power supply PCB because it might be damaged by
recursive irregular power supply.
3.1.1 Reset of irregular power supply detection counter using the PJL file
(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.
The machine displays
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■
MAINTENANCE
■
■
■
on the LCD.
(2) Connect the PC to the machine with the USB cable.
(3) Double-click the “FILEDG32.EXE” to start. The following screen appears. Select the
“Brother Maintenance USB Printer”.
(4) Click the “Brother Maintenance USB Printer” icon to select. Drag the SQWAVE.PJL and
drop it.
3.1.2 Reset of irregular power supply detection counter using the
maintenance tool
(1) Check that the machine is in the ready state, and then connect it to the PC with the USB
cable.
(2) Double-click “brmainte.exe” file (maintenance tool) copied to the temporary folder to
activate it.
(3) Click About.
Note:
• The maintenance driver must have been installed. (Refer to APPENDIX 3.)
Note:
• The printer driver of the relevant model must have been installed.
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