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2. OTHER SERVICE FUNCTIONS
2.1 User Maintenance Mode
This section describes what the end user should do when replacing the consumable parts.
■ Resetting the drum counter
The printed image may deteriorate when using the drum unit to a certain degree. The
machine detects how much the drum unit is used with the drum counter and lights up the
Drum LED when the drum unit life is nearly at the end of its life to indicate to the end user that
the drum unit life reaches the end of its life soon, in order to prevent the printed image defects
due to drum unit deterioration.
The machine does not provide the function which resets the drum counter automatically
when the drum unit is replaced with a new one. If replacing the drum unit with a new one
without resetting the drum counter, the counted value of the old drum unit is used
continuously so that the Drum LED is not off.
Fig. 5-5
When replacing the drum unit with a new one, it is required to reset the drum counter
following the steps below:
<Procedure>
(1) Open the front cover while the power supply of the machine is ON, after check the LED
of the above-mentioned, and verify that the Error LED is lit.
(2) Keep the SW supporter pressed down until all LEDs on the control panel light up.
(approx. four seconds)
(3) Release the SW supporter when all LEDs light up and take the old drum unit out of the
machine.
(4) Verify that Error LED is lit, and install a new drum unit into the machine.
(5) Close the front cover.
Note:
When the machine printed out more than 100 pages after the drum counter is reset, the
replace counter for the drum is updated.