If The Irregular Power Supply Detection Error Is Detected And The Low Voltage Power Supply Pcb Assy Is Replaced; Reset Of Irregular Power Supply Detection Counter; Reset Of Irregular Power Supply Detection Counter Using The Pjl File - Brother HL-2250DN Service Manual

3. IF THE IRREGULAR POWER 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 printer detects irregular
power supply. If the counter reaches to the limit, the printer 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

Note :
• The maintenance driver must have been installed. (Refer to
INSTALLING THE MAINTENANCE PRINTER
(1) Open the front cover, and turn the power supply of the printer on while pressing down
the [Go] button. Make sure that the Toner/Drum/Error LED light up.
(2) Release the [Go] button, and then make sure that all LEDs light off.
(3) Press the [Go] button for over 2 seconds, and the Error LED light up. And then the
printer goes into the PIT3 mode.
(4) Connect the printer to PC with USB cable.
(5) Double-click the "FILEDG32.EXE" to start. The following screen appears. Select the
"Brother Maintenance USB Printer".
(6) Drag the SQWAVE.PJL and drop it onto the Brother Maintenance USB Printer icon.
DRIVER".)
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