Confidential
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1.4.7 “One Push Demo” Setting (Function code 28)
<Function>
The One Push Demo function is to implement demo printing by pressing the Go button, which
is mainly used for sales promotion at the shop. It is disabled if printing from a PC even once.
Therefore, it is necessary to change the setting so that the function is enabled again.
OnePushDemo = ON (Enabled) / OFF (Disabled)
The default setting is displayed with “*”.
<Operating Procedure: How to set “OnePushDemo = ON”>
(1) Press the or button to display “MAINTENANCE 28” on the LCD in the initial stage of
the maintenance mode. Then, press the OK button.
The machine displays “One Push Demo=ON” on the LCD.
(2) Press the OK button so that the One Push Demo function is set to be enabled.
(3) The machine automatically returns to the initial stage of the maintenance mode.
Note:
- To terminate this operation, press the Cancel button. The machine returns to the initial stage
of the maintenance mode.
- For the DX model (HL-40450CDN/ 4070CDW), pressing the Reprint button allows you to
implement duplex demo printing.
1.4.8 Drum Unit Cleaning (Function code 31)
<Function>
This function allows you to remove the dust attached on the surface of the exposure drum by
using the drum cleaning sheet.
<Operating Procedure>
(1) Press the or button to display “MAINTENANCE 31” on the LCD in the initial stage of
the maintenance mode. Then, press the OK button.
The machine displays “DRUM CLEANING” on the LCD.
(2) Load the drum cleaning sheet into the MP tray.
(3) Press the Go button.
(4) When the machine ejects the drum cleaning sheet and finishes cleaning the drum unit,
“DRUM CLEANING/ COMPLETED” appears on the LCD.
(5) Press the Cancel button to terminate this operation. Then, the machine returns to the
initial stage of the maintenance mode.
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