Brother DCP-L8400CDN Service Manual page 425

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Adjustment of inter-color position alignment without registration sensor
calibration (auto)
<Operating procedure>
(1) Press the 6 key twice in the initial state of the maintenance mode. "REGISTRATION" is
displayed on the LCD.
(2) Press the SET key. "PLS WAIT 66-1" is displayed on the LCD, and adjustment of inter-
color position alignment is automatically done.
(3) When this operation is completed without an error, "COMPLETED" is displayed on the
LCD.
(4) Press the X key to return the machine to the initial state of the maintenance mode.
Note:
If the Adjustment of inter-color position alignment without registration sensor calibration
(auto) fails while being in process, "ERROR 66-1" is displayed on the LCD. Refer to the
error message list in the table below for the troubleshooting.
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Error message list
Error message
FAILED REGIST
TONER EMPTY #
NG * L:C080 R:M105
NG R-L:C030
NG PWM L120 R180
NG PWM R-L:080
NG CNT R100 L100
NG S-POSI R:080
NG SKEW:120
NG PWM R-P L:080
NG XMARGIN:M191
Cover is Open
* # indicates the toner color (Y, M, or C) of which cartridge became empty.
Press the Mono Start key to clear the error. Perform the
Adjustment of inter-color position alignment (auto) again. If the
error recurs, clean the belt unit and the drum unit and then
perform the adjustment again. If the error still recurs, replace the
belt unit and the drum unit.
*
Replace the empty toner cartridge and press the Mono Start key
to clear the error. Perform the Adjustment of inter-color position
alignment (auto) again.
Press the Mono Start key to clear the error. Perform the
Adjustment of inter-color position alignment (auto) again.
Close the front cover.
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Measure
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