Brother MFC-9420CN - 1 ] Margin Adjust (Code 43)

8-39 Confidential
[ 1 ] Margin Adjust (Code 43)
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 Function
This function is to check and adjust the top margin and left margin.
The adjustment range is from –4.9mm max to +4.9mm max.
Always implement the operation when replacing the engine control board.
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 Operating Procedure
(1) Select Margin Adjust with using the 4 or 5 key in the initial stage of the factory mode.
After selecting, press the 6 key.
The “43 MARGIN ADJUST / ► TOP / LEFT / LEFT1” appears on the LCD.
(2) Select the top margin (TOP) or left margin (LEFT or LEFT1) with using the 4 or 5 key.
After selecting, press the 6 key.
LEFT: For adjusting the left margin on the paper in the upper tray
LEFT1: For adjusting the left margin on the paper in the lower tray
<Example of LCD indication>
“43 TOP +2.5mm / - 1 0 1 2 3 4
6 7 +”
・The margin can be adjusted up to 4.9mm max. in the right and left sides from the
standard value “0” by 0.7mm pitch.
・Select the value according as the adjusted amount with using the 4 or 5 key. The
selected amount is displayed at the upper right side.
・Press the 6 key to set the adjustment value.
(3) Press the 3 key so that the display is returned to the message described in Step (1).
(4) Press the 3 key again, and the machine returns to the initial stage of the factory mode.
<How to measure>
1) Implement “GRID PRINT” in the service mode.
2) Measure A and B of the top margin.
(Leading Edge) (A+B) / 2
Default Value 4.2±1.5mm
3) Measure C and D of the left margin.
(Left Margin) (C+D) / 2
Default Value 4.2±1.5mm
A B
C
D
Fig. 8-14
Paper Feeding
Direction
Print
Guarantee
Area
Left Margin