OKIDATA OKIPAGE 20, Руководство по обслуживанию

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Sensor Function Sensing state
Inlet sensor 1 Detects the leading part of the paper and gives
the monitor timing for switching from hopping
operation to feeding operation. Monitors paper
feeding situation and paper size based on the
paper arrival time and running time. ON: Paper exists.
OFF: No paper exists.
Inlet sensor 2 Detects the paper width ON: A4 or larger
OFF: Small than A4
Paper sensor Detects the leading portion of the paper. Monitors
the paper feeding situation. ON: Paper exists.
OFF: No paper exists.
Outlet sensor Monitors the paper feeding and size according to
the time of arrival to and leaving the past the
sensor. ON: Paper exists.
OFF: No paper exists.
Paper and sensor Detects the end of the paper. ON: Paper exits.
OFF: No paper exists.
Toner low sensor Detects the lack of toner. - - - - -
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The power supply unit consists of an AC filter circuit, a low voltage power supply circuit, a high
voltage power supply circuit, heater drive circuit, and photosensors.
(1) Low voltage power supply circuit
This circuit generates the following voltages.