Samsung ML-2151N Spezifikationen PDF herunterladen (Seite 72)

6-7

Samsung Electronics

ALIGNMENT & ADJUSTMENTS

Service

Manual

6.1.2.6 HVPS Test Item : High Voltage Power Supply

- These Functions are used to check whether the control for HVPS is normal or not.

1. Press the "Menu Key", until finding "Developing Test" is displayed on the panel.

2. Press the "Select Key", when it's found.

3. Press the "Arrow keys" (< / >), until finding a suitable function

(Refer to the table below).

4. Press the "Select Key", when it's found.

5. Press the "Select Key" for execution or the "Cancel key" for stop.

Sub Menu Description Display (LCD) Remarks

Dev Bias Test Dev bias(- 470V) and Supply bias(- 650V) are Dev Bias On (Off)

supplied and after the execution key is chosen

and it stops when the stop key is chosen.

Charge Roll Charge roll voltage (- 1500V) is supplied after Charge: -1500V [Value] ADC value

Voltage Test the execution key is chosen and it stops when displayed

the stop key is chosen.

Transfer (+) Test Transfer positive voltage (+1000V) is supplied after Transfer: +1000V [Value ADC value

the execution key is chosen and it stops when displayed

the stop key is chosen.

Transfer (-) Test Transfer negative voltage(- 600 ~ -1000 V) is Transfer(-) On(Off) Voltage in

supplied after the execution key is chosen and it the range

stops when the stop key is chosen.

PTL Test PTL(Pre-Transfer Lamp) is on after the execution PTL On(Off)

key is chosen and it stops when the stop key

is chosen.

6.1.2.7 Developing Test Item : Fuser,Laser Scanning Unit

- These Functions are used to check whether functions related to the development are normal or not. (Fuser,

OPC, LSU)

1. Press the "Menu Key", until finding "Developing Test" is displayed on the panel.

2. Press the "Select Key", when it's found.

3. Press the "arrow keys" (< / >), until finding a suitable function

(Refer to the table below).

4. Press the "Select Key", when it's found.

5. Press the "Select Key" for execution or the "Cancel key" for stop.

Sub Menu Description Display (LCD) Remarks

Setting Temperature When “Temp” is displayed, Input a temperature [Temperature]:

Test

T:[target value]

you would like to set with the “arrow keys( )”. C:[current value]

It will be displayed on the bottom line. on/off

Laser Diode Test “Diode On” is displayed, when the laser diode is on. Ld On(Off)

On the other case “Diode Off” is displayed.

Laser Ready Test “Laser Leady” is displayed, When the Laser Laser Leady (Error)

Scanning Unit is ready to print. On the other case

“Laser Error”

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