Motor Test; Fan Test - Samsung ML-4550 Service Manual

4.1.5 Motor Test

These functions are to check a current state (normal or not) of all motors.
• Usage
1. Press the Arrow Keys (
2. Press the OK Key , when it is found.
3. Press the Arrow keys until finding a suitable function (Refer to the table below).
4. Press the OK Key , when it is found.
5. Press the OK Key for execution or the Back key for return.
• Function
Function Name
Main Mtr Fwd. The motor will run on the forward direction or stop.
Main Mtr Bwd. The motor will run on the backward direction or stop.
Main Mtr Slow. The motor will run on the forwarding direction by half speed.
Dev Mtr Nor. The motor will run on the forwarding direction by normal speed.
Dev Mtr Slow. The motor will run on the forwarding direction by half speed.
Duplex Mtr Fwd. The motor will run on the forwarding direction.
T2 Feed Motor The motor will run on the forward direction or stop.
T3 Feed Motor The motor will run on the forward direction or stop.
T4 Feed Motor The tray2 motor will run on the forward direction or stop.
* The procedure and content above can be changed according to the situation.

4.1.6 Fan Test

These functions are to check a current state (normal or not) of all fans.
• Usage
1. Press the Arrow Keys (
2. Press the OK Key , when it is found.
3. Press the Arrow keys until finding a suitable function (Refer to the table below).
4. Press the OK Key , when it is found.
5. Press the OK Key for execution or the Back key for return.
Samsung Electronics
) until finding Component Test / 3.Motor Test message on the panel.
Description
) until finding Component Test / 4.Fan Test message on the panel.
Alignment & Adjustments
Display(LCD)
Main Mtr Fwd. [ON] / [OFF]
Main Mtr Bwd. [ON] / [OFF]
Main Mtr Slow. [ON] / [OFF]
Dev Mtr Slow. [ON] / [OFF]
Dev Mtr Slow. [ON] / [OFF]
Duplex Mtr Fwd. [ON] / [OFF]
T2 Feed Motor [ON] / [OFF]
T3 Feed Motor [ON] / [OFF]
T Feed Motor [ON] / [OFF]
Service Manual
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