Description Of Operation; Stepping Motor Drive; Feed / Yellow Developer Clutch Drive; Sensor Activation - Samsung CLP-600 Series Service Manual

System Overview

3.3.2 Description of Operation

3.3.2.1 Stepping Motor Drive

1) Using two TEA3718 ICs, the driver board drives one stepping motor.
2) When driving only four OPC, the driver board drives two stepping motors. When additionally driving the yellow
developer, it drives three stepping motors.

3.3.2.2 Feed / Yellow Developer Clutch Drive

According to the printing sequence and B/W printing option, the driver board puts on/off the correspondent clutch, trans-
mitting or intercepting the power.
3.3.2.3 Pickup / MP / DUP Solenoid Drive
According to the printing sequence and Duplex(reserved) option, the driver board drives correspondent solenoid.
3.3.2.4 FAN Drive
The driver board drives the fans for Fuser and SMPS.

3.3.2.5 Sensor Activation

The driver board activates MP_EMPT / EXIT / EMPT / FEED Sensors and transmits their signals to the Main Board.
Service Manual
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Samsung Electronics