Test Print Mode; Nvram Reset Mode - Brother HL-3450CN Service Manual

CHAPTER 5 CONTROL PANEL OPERATION
2.4

Test Print Mode

This mode prints the specified pattern in order to check the engine.
<Procedure>
1) Press the -, + Set buttons in this order while holding down the Go button to enter the
2) The 'PRINT MENU' message is displayed on the LCD. Select 'single test print' or
3) If selecting 'single test print', select one of the following items by pressing the – or +
4) If selecting 'repeat test print', select one of the following items by pressing the – or +
2.5

NVRAM Reset Mode

This mode forces the NVRAM value of the video controller to be reset to the factory settings.
<Procedure>
1) While holding down the Set button, turn on the power.
2) Hold down the Set button until "RAM SIZE" is displayed on the LCD panel and the
3) The printer is reset to the factory setting.
test print mode.
'repeat test print' by pressing the – or + button, then press the Set button.
button, then press the Set button.
Single test print
TEST PTN=A – H
TEST PTN=G – H
TEST PTN=K2
TEST PTN=STRIPE
TEST PTN=NORMAL
TEST PTN=GRID
TEST PTN=LINE
TEST PTN=BLACK
TEST PTN=WHITE
button, then press the Set button.
Repeat test print (For the printed page, refer to 'single test print' described
above.)
TEST PTN=NORMAL
TEST PTN=GRID
TEST PTN=LINE
TEST PTN=BLACK
TEST PTN=WHITE
LEDs are all on momently.
Halftone Reproduction
Line Reproduction
Color Reproduction, registration and jitter
Fusing
Prints the test print page normally.
10mm grid pattern (to check the magnification and
paper skew.)
Horizontal line with 2 dots and 3 spaces (to check the
pitch of paper feeding.)
Prints the all black page. (to check the damage on the
fusing unit.)
Prints the blank page. (to check the black spots or
dark printing.)
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