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■ Initializing the developing bias
When replacing the toner cartridge with a new one, the new toner sensor detects that the
toner cartridge is replaced, and the developing bias is initialized automatically. Therefore, the
end user is not necessary to initialize the developing bias.
If replacing the toner cartridge which contains enough toner with a used one, the new toner
sensor cannot detect that the toner cartridge is replaced so that the developing bias is not
initialized. In this case, the print density may be lighter than usual.
In such a case, initialize the developing bias forcedly following the steps below:
<Procedure>
• Standard toner cartridge
(1) Open the front cover.
(2) Take the drum unit out of the machine.
(3) Press the SW supporter.
(4) Install the drum unit into the machine.
(5) Press the SW supporter.
(6) Close the front cover.
• High-capacity toner cartridge
(1) Open the front cover.
(2) Take the drum unit out of the machine.
(3) Press the SW supporter.
(4) Install the drum unit into the machine.
(5) Press the SW supporter twice.
(6) Close the front cover.
■ Wireless LAN setting (HL-2170W only)
When the machine is in a standard state, you can switched to the Effective/Invalidity of the
wireless LAN setting by pressing the [Go] button for 10 seconds. At the same time, switched
to the Effective/Invalidity of the wired LAN setting. It is switched to a set value opposite to a
current set value, whenever switching. and then the wireless network information (Net
Config) printing is implement.
Check that which of wireless LAN or wired LAN became effective. Judge by the Active or
Inactive from “Node Type” which is mentioned in “Net Config” of “Printer Settings”.