Brother DCP-L8400CDN Service Manual page 415

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Switching of timing to execute Auto Registration
<Function>
Relative displacement between Cyan, Magenta, Yellow, and Black is detected using the
registration mark sensor, and the Auto Registration is executed at the timing when the
displacement value exceeds the stipulated threshold value.
This function is to switch the threshold value which is used as the timing to execute Auto
Registration. The threshold value can be switched in three phases between High, Mid, and
Low.
LCD
Reg Freq=Mid
Reg Freq=High
Reg Freq=Low
"*" is displayed at the end of the currently specified function in the LCD display.
Note:
It can be set regardless of the Auto Registration switching function in the function menu.
Even if this function is switched, it does not affect the timing to execute Auto Registration in
the function menu.
<Operating procedure>
(1) Press the 4 and 5 keys in this order in the initial state of the maintenance mode. "USBNo."
is displayed on the LCD.
(2) Press the or
(3) Press the or
and press the Mono Start or SET key.
(4) "Accepted" is displayed on the LCD, and the machine returns to the initial state of the
maintenance mode.
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Adjusting left-end print start position on second side in duplex printing
<Function>
This function is to adjust the left-end print start position on the second side in the left and right
direction if it is displaced in duplex printing. The adjustable range is -100 to 750 (unit: 300 dpi)
(The minus direction means the left direction.)
<Operating procedure>
(1) Press the 4 and 5 keys in this order in the initial state of the maintenance mode. "USBNo."
is displayed on the LCD.
(2) Press the or
key. "DX.XAdjust=**" is displayed on the LCD.
(3) To move the print start position to the left, press the
move the print start position to the right, press the
(4) When the value is changed to the adjustment value, press the Mono Start or SET key.
"Accepted" is displayed on the LCD, and the machine returns to the initial state of the
maintenance mode.
The frequency to execute Auto Registration is middle. (default)
The frequency to execute Auto Registration is high.
The frequency to execute Auto Registration is low.
key to display "Regi Freq" and then press the Mono Start or SET key.
key to select "RegiFreq=Mid", "RegiFreq=High" or "RegiFreq=Low",
key to display "DX.XAdjust" and then press the Mono Start or SET
5-31
Description
key and decrease the value. To
key and increase the value.
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