Drum Unit Cleaning Mode; Fuser Motor Speed Adjustment Mode - Brother DCP-9040CN Service Manual

2.3

Drum Unit Cleaning Mode

This mode is to remove the dust attached on the exposure drum. When white spots appear on
the printout, perform this operation to remove the dust by using the drum cleaning sheet.
<Operating Procedure>
(1) Load the drum cleaning sheet into the MP tray.
(2) Check that the status LED lights in green and press the
same time. "DRUM CLEANING" will appear on the LCD.
(3) Press the Black Start button. The machine starts cleaning the drum unit.
"DRUM CLEANING / PLEASE WAIT" appears on the LCD during cleaning.
(4) When finishing cleaning normally, "DRUM CLEANING / COMPLETE" appears on the
LCD.
(5) Press the Stop/Exit button so that the machine returns to the ready state.
2.4

Fuser Motor Speed Adjustment Mode

<Function>
The problem such as dirt on the paper bottom or the unexpected print image due to a paper
crease may be occurred when printing the thin paper. This mode allows you to change the
speed of the fuser motor (Paper feed/belt cleaner motor ASSY) according to the respective
problems.
<Operating Procedure>
(1) Press the 2 and 8 buttons at the same time while the front cover is opened.
"FU MOTOR SPEED / 0" will appear on the LCD.
(2) Press the ▲or ▼ button to choose the setting value and press the OK button.
"FU MOTOR SPEED / Accepted" will appear on the LCD, and the setting value is saved.
- Dirt on the paper bottom
Increase the fuser motor speed. (Setting value: 1, 2, 3)
- Unexpected print image due to a paper crease
Reduce the fuser motor speed. (Setting value: -1, -2, -3)
Note:
Make sure to return the setting value to "0" after printing the thin paper.
Failure to do so may cause color misregistration or dirt on the paper.
and Clear/Back buttons at the
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