Product spec and feature
Service Manual
2-24
Samsung Electronics
2.2.2.5 LSU
■ LSU consists of LD(Laser Diode) and polygon motor control. When the controller generate the printing
signal LD will turn on and Polygon motor starts.If the receiving part in LSU detect the beam and then
Hsync is generated. When the rotation of polygon motor is steady, it is time of LSU ready status for
printing. If either of two condition is not satisfied, LSU error is expected.
Trouble
Failure Analysis
Polygon Motor Error
No steady rotation of Polygon Motor
Hsync Error
In spite of steady rotation of Polygon Motor, No the generation of the Hsync
signal
2.2.2.6 Scanner( DADF)
■ Scanning Method: Color CCD
■ Scan speed : Mono 45 / Color 20 ipm@ 300dpi
■ FCOT (first copy out time) : Within 5 sec (from platen)
■ DADF Copy speed : simplex 45cpm(LTR)
duplex 30cpm(LTR)
Содержание SCX-6545N Series
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