HL-5240/5250DN/5270DN/5280DW SERVICE MANUAL
Confidential
7-1
CHAPTER 7 SERVICE SUPPORT SOFTWARE
1. CONTROL PANEL
Various modes can be used if the power switch is set to ON while the Go button is held.
There are two types of modes: Users Mode and Service Mode.
1.1 Users Mode
Operation procedure of Users Mode is shown below. The function change depends on
number of times the Go button is pressed.
<HL-5240/5250DN>
1. Check that the front cover is closed.
2. Turn ON the power switch while holding down the Go button.
3. After all LEDs on the panel are lit, only the Status LED goes out.
4. Release the Go button and check that all LEDs are off.
5. Press the Go button. (If the Go button is pressed, the Status LED is lighted. If the Go
button is released, the LED is out.)
<HL-5270DN/5280DW>
1. Check that the front cover is closed.
2. Turn ON the power switch while holding down the Go button.
3. The message “USERS MODE” is shown on the LCD panel with the orange backlight.
4. Release the Go button and check that the Data LED is off.
5. Press the Go button. (If the Go button is pressed, the Data LED is lighted. If the Go
button is released, the LED is out.)
Press the Go button
Each mode starts after 2 seconds.
Once (1) Test Sample Page
Twice (2) Print Fonts
Three times (3) Hex Dump Mode
Four times (4) PCB ONLY Mode
Five times (5) 1push Printing Recovery Mode
* All LEDs are lit for 1 second and the printer returns to
the ready status.
Six times (6) Network Factory Reset 1 (APIPA: ON)
* All LEDs are lit for 1 second and the printer returns to
the ready status.
Seven times
(7) Network Factory Reset 2 (APIPA: OFF)
* All LEDs are lit for 1 second and the printer returns to
the ready status.
Eight times (8) NV-RAM Factory Reset
* All LEDs are lit for 1 second and the printer returns to
the ready status.
More than nine times
(1) Test Sample Page
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