Samsung ML-1700 Periodic Defective Image, L S U, OPC Drum, Charge Roller, Supply Roller, Fuser

ALIGNMENT & ADJUSTMENTS

6.7 Periodic Defective Image

If the delinquent image regularly occurs in the printed-paper, it is due to delinquent or damaged roller. Refer to the table in below and check the condition of the roller.

No

1

2

3

4

5

6

7

Roller	Defective image	Typical defect
OPC Drum	75.5mm	white spot on black image or black spot
Charge Roller	37.7mm	black spot
Supply Roller	37.0mm	light or dark horizontal image band
Developing Roller	35.3mm	horizontal image band
Transfer Roller	45.3mm	image ghost
Heat Roller	64.1mm	Black spot and image ghost
Pressure Roller	75.5mm	black spot on the backside

	L S U
Fuser	2	Toner Cartridge
6
	4	3
7	1
	PTL	MP Sensor
	5

L S U 1 OPC Drum 5 Tramsfer Roller

Fuser	CR		Toner Cartridge
		DR
	OPC	SR
	PR
		PTL	MP Sensor
	TR		FR

2 Charge Roller 6 Heat Roller

	R/
PIC	K

3 Supply Roller 7 Pressure Roller

4Developing Roller

<Rollers Layout>

Service Manual

Samsung Electronics

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