Samsung CLP-600 Series - Basic Printing Tasks; Printing a Document; Canceling a Print Job

Samsung Electronics
Service Manual
System Overview
3-16
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.