Samsung SCX-4200 manual Fault Signs Cause & Check Solution Ghost & Image

Troubleshooting

Fault	Signs	Cause & Check	Solution
Ghost & Image	• The printed image	1. The printed image is too light	1. All of Items 1, 2, 3
Contamination	is too light or dark,	or dark, or partially	(a) Clean the contacts on the
	or partially	contaminated black.	toner cartridge.
	contaminated black.	(a) Check if foreign substance	(b) Clean the contact points on
		or toner are stuck to the	the set.
	• Totally	terminals (point of contact)	(c) If the terminal assembly is
	contaminated black.	of the toner cartridge or set.	damaged repair or replace
	(Black image	(b) Check if the terminal	the terminals in the set or
	printed out)	assembly is normal.	replace the cartridge
	• The density of	2. Totally contaminated black.	2. In Item 2
	printouts is too dark	(Black image printed out)	This is particularly related to
	and ghost occurs.	(a) Check if foreign	problems with the charge roller
		substances are stuck to	contact. Pay close attention to
		the terminal (point of	the charge roller contacts.
		contact) of the toner
		cartridge or set.	3. In Item 3
		(b) Check if the terminal	This is particularly related to
		assembly is normal.	problems with the developer
		(Especially check the	bias voltage contact. Pay close
		charge roller terminal.)	attention to the charge roller
			contacts.
		3. The printed image is dark and
		ghost occurs.
		(a) Check if foreign
		substances are stuck to
		the terminal (point of
		contact) of the toner
		cartridge or set.
		(b) Check if the terminal
		assembly is normal.
		(Especially check the
		developer roller terminal.)

Samsung Electronics

Service Manual 6-23