6 ] Align Vertical Print Lines (Function Code 65) - Brother MFC990CW Service Manual

[ 6 ] Align vertical print lines (Function code 65)

Before starting the operation below, be sure to set A4-size paper in the paper tray for printing
check patterns.
(1) Press the 6, 5 and 1 keys in this order. (For models without numerical keypad, enter 6, 5,
and 1 in this order using the
The machine displays the "PRINTING" on the LCD and prints three sets of vertical
alignment check patterns (see below and the next page) in monochrome for 450 dpi, 600
dpi and 1200 dpi, each of which consists of #0 through #8 blocks. If the vertical alignment
is ON, #5 block shows vertically aligned lines.
The "450DPI NO. (1-8)" appears on the LCD.
(2) For 450 dpi, check the printed vertical alignment check patterns and find which number
block shows full alignment.
If the full alignment block is other than #5, enter that block number, using the numerical
keys. (For models without numerical keypad, enter that block number, using the
OK keys.)
The "600DPI NO. (1-8)" appears on the LCD.
(3) For 600 dpi, perform the same operation as in step (2).
The "1200DPI NO. (1-8)" appears on the LCD.
(4) For 1200 dpi, perform the same operation as in step (2).
The machine automatically returns to the initial stage of the maintenance mode.
NOTE: If #1 or #8 block is fully aligned so that you press the 1 or 8 key (or enter 1 or 8) in the
above procedure, then go back to step (1) to confirm that #5 block becomes aligned.
, and OK keys.)
Vertical Alignment Check Patterns (1/2)
7-20
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