79
* (1) Channels : 2CH for 54V and 24V
(2) When protecting OCP or OVP, operates in the power off.
View of HVPS and Important Functions.
Block Diagram
Pin Array
Refer to DC Connector in Pin Array of LVPS.
Basic Functions
1. Channels : HVPS consists of 4 DC-DC converters and 7 channels such as
Charge(CHG), Photo Drum(PD), Developer unit(DEV, TR, BL) and
Transfer(TX+, TX-)
2. Output characteristics : Static voltage method including transfer channel.
3. Each logic control is entered to DC-DC converter , which has PWM signal to adjust the
converter.
4. 24.5VS is supplied from LVPS. The section before 24.5V is structured as SAFETY
INTERLOCK to prevent HVPS from high power output when the covers open.
To Next Page
Loading...
