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Confidential
5-29
Pressing the two buttons while the machine is in the ready state
Panel Operation
Function
Go
(+)
Parts life reset mode for the periodical replacement parts
(Refer to
“2.3 Parts Life Reset Function” in Chapter 2
.)
Go
( - )
USB transfer speed change mode in the PictBridge mode
(Refer to
“1.4.11 USB Transfer Speed Change in the
PictBridge Mode (Function code 45)”
on this chapter.)
Cancel Back Drum Unit Cleaning Mode
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) Make sure that “Ready” appears on the LCD and press the
Cancel
and
Back
buttons
at the same time.
“DRUM CLEANING” will appear on the LCD.
(3) Press
the
Go
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
Cancel
button so that the machine returns to the ready state.
Pressing the two buttons while the front cover is opened
Panel Operation
Function
Reprint
Cancel
Develop roller counter reset mode
(Refer to
“2.2 Develop Roller Counter Reset Function”
on this
chapter.)
Cancel
( - )
Fuser Motor Speed Adjustment Mode
Fuser Motor Speed Adjustment Mode
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
Cancel
and buttons at the same time while the front cover is opened.
(2) “FU MOTOR SPEED” will appear on the LCD. Press the or buttons to change
the setting value and press the
OK
button.
- 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.
Summary of Contents for HL-4040CN
Page 265: ...Confidential 4 7 11 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Page 320: ...Confidential 6 12 Charge High voltage Power Supply PCB Circuit Diagram 1 4 ...
Page 321: ...Confidential 6 13 Charge High voltage Power Supply PCB Circuit Diagram 2 4 ...
Page 322: ...Confidential 6 14 Charge High voltage Power Supply PCB Circuit Diagram 3 4 ...
Page 323: ...Confidential 6 15 Charge High voltage Power Supply PCB Circuit Diagram 4 4 ...
Page 324: ...Confidential 6 16 Transfer High voltage Power Supply PCB Circuit Diagram 1 2 ...
Page 325: ...Confidential 6 17 Transfer High voltage Power Supply PCB Circuit Diagram 2 2 ...
Page 326: ...Confidential 6 18 Low voltage Power Supply PCB Circuit Diagram 100V ...
Page 327: ...Confidential 6 19 Low voltage Power Supply PCB Circuit Diagram 200V ...