Samsung ML-3561N Series, Service Manual

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6.1.9 Laser Scan Unit
These functions are to check a current state (normal or not) of the Laser Scanning Unit.
• Usage
1. Press the Arrow Keys ( / ) until finding [Main Menu]/ Laser Scanning message on the panel.
2. Press the OK Key , when it is found.
3. Searching the sub function for testing by Arrow key
4. Press the OK key, when it is found.
5. The sub function is following.
- [Function]/Laser Diode 0
- [Function]/Laser Diode 1
- [Function]/L Motor & Ready
6. Press the OK Key for executing or the Cancel key for stopping of the sub function.
• Function
* The procedure and content above can be changed according to the situation.
Alignment & Adjustments
Service Manual
6-13
Samsung Electronics
Function Name Description Display(LCD) Remarks
Laser Diode_0
Laser Diode0 On is displayed, when the laser diode
is on. On the other case Laser Diode0 Off is dis-
played.
Laser Diode0
On ( Off )
Laser Diode_1
Laser Diode1 On is displayed, when the laser diode
is on. On the other case Laser Diode1 Off is dis-
played.
Laser Diode1
On ( Off )
L Motor &
Ready
When Laser Scanning Unit is ready to print (Laser
diode on, Stable polygon motor speed) the
message, Laser Ready is displayed. On the other
case Laser Error
L Motor & Ready
Laser Ready
(Laser Error)