Display Machine Error Code (Function Code: 82); Reset Irregular Power Supply Detection Counter Of Low-Voltage Power Supply Pcb (Function Code: 88); Quit Maintenance Mode (Function Code: 99) - Brother HL-L2300D Service Manual

1.3.19 Display machine error code (function code: 82)

<Function>
This function is used to display the latest error code on the LCD.
<Operating Procedure>
(1) Press the [▲] or [▼] key in the initial state of maintenance mode to display
"MAINTENANCE 82" on the LCD, and press the [OK] key. "MACHINE ERR XXXX" is
displayed on the LCD.
(2) Press the [Go] key, and the machine returns to the initial state of maintenance mode.
1.3.20 Reset irregular power supply detection counter of low-voltage power
supply PCB (function code: 88)
<Function>
This function is used to reset the number of irregular power supply errors in the main PCB
after replacing the low-voltage power supply PCB.
<Operating Procedure>
(1) Press the [▲] or [▼] key in the initial state of maintenance mode to display
"MAINTENANCE 88" on the LCD, and press the [OK] key. "Reset-LVPS" is displayed on
the LCD.
(2) Press the [OK] key. "LVPS OK?" is displayed on the LCD.
(3) Pressing the [Go] key resets the number of times that irregular power supply errors
occurred and "Reset-LVPS" is displayed on the LCD.
Press and hold the [Go] key, and the machine returns to the initial state of maintenance
mode.

1.3.21 Quit maintenance mode (function code: 99)

<Function>
This function is used to quit the maintenance mode, restart the machine, and return it to the
ready state. Also forcefully close the fuser unit error.
<Operating Procedure>
(1) Press the [▲] or [▼] key in the initial state of maintenance mode to display
"MAINTENANCE 99" on the LCD, and press the [OK] key. The machine quits
maintenance mode and returns to the ready state.
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