Samsung CLP 510N - Color Laser Printer, Service Manual

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7-25
Samsung Electronics
Alignment & Adjustments
Service Manual
7.7.2.7 HVPS Test
This function allows the HVPS to be tested
<How to operate>
a) Press the "<" or ">" key until "HVPS Test" is displayed.
b) Press the "Enter" key to select this function.
c) Press the "<" or ">" key until you see the name of the voltage you wish to test.
d) Press the "Enter" key to select the test.
e) Press the "<" or ">" key to select the appropriate Duty Cycle and press "Enter" to start the test
The test is stopped by pressing the "Upper Level" key.
The display shows the acceptable range for this setting (column 4 in the table below)
The mid range (nominal) voltage is shown in column 3 in the table below.
e) Pressing the "Upper Level" key when the test is already stopped will return to step 'c' above.
f) Pressing the "Upper Level" key again will return to the EDC main menu.
Item Description
Lower Menu & Input
LCD Indication
Voltage
Charger Supply Voltage to the Charger Duty 50% : -1262V Duty 50% : -1224V ~ -1300V
Duty 80% : -2037V Duty 80% : -1976V ~ -2098V
T1 Supply Voltage to T1 Duty 50% : 1174V Duty 50% : 1139V ~ 1209V
Duty 90% : 2080V Duty 90% : 2018V ~ 2142V
T2 Supply Voltage to T2 Duty 30% : 1800V Duty 30% : 1746V ~ 1854V
Duty 80% : 4540V Duty 80% : 4404V ~ 4676
Reverse Bias : -900V Reverse Bias : -800V ~1200V
Dev DC Supply DC Voltage to Dev Duty 45% : -370V Duty 45% : -359V ~ -381V
Dev AC Supply AC Voltage to Dev Duty 35% : -2200V Duty 35% : -2134V ~ -2266V
* The allowed tolerance is co/- 3%, this is the value Displayed, in case of "Dev AC", it is the value of Vpp.
* T2 Reverse Bias.(Tolerance : +/-20%)