Line Test Mode - Brother HL-2400C Service Manual

2.3

Line Test Mode

This mode tests the following items;
LCD TEST
LED TEST
SW TEST
SENSOR TEST
RAM SIZE TEST
TRAY 1 CHECK
TRAY 2 CHECK
FLASH CARD1 R/W TEST
FLASH CARD2 R/W TEST
MIO TEST
<Procedure>
Note:
If any errors occur during the following procedures, an error message appears. By
pressing the Continue button, it is possible to proceed with the tests.
1) Install flash memory cards 1 & 2 and an MIO card into the printer.
2) Turn on the power while holding down the
appears, release the
3) Press the Set button to make the printer start the self-test.
4) Press the Continue button to implement the LCD TEST.
Check that the LCDs are all displayed correctly and none of the dots have dropped
out.
Also, check that the LEDs are all on.
Item
Displays the checker pattern
Checks that all LEDs are on / off.
Checks that all buttons work correctly.
Checks that all sensors work correctly.
Displays the NVRAM size
Displays the paper size of the upper cassette
(Tray 1).
Displays the paper size of the lower cassette
(Tray 2).
Check/delete/import/export (read/write) on
Card 1 ID.
Check/delete/import/export (read/write) on
Card 2 ID.
Checks that the installed MIO card is initialized.
button.
L I N E T E S T
Self-test Description
button. When the message below
V-4