Xerox 4512N manual Problem Possible Causes Corrective Actions

			P r i n t Q u a l i t y P r o b l e m s
Table 6.2	Print quality problems (continued)
Problem		Possible Cause(s)	Corrective Action(s)
Staining.		Paper quality problem.	Replace paper stock.
		Paper feed surfaces or guide dirty.	Inspect and clean the paper path, as described
			in the section “Cleaning the Paper Path”
			(page 7-9).
		Fusing unit dirty.	Replace the Cleaning Felt, as described in the
			section “Replacing the Toner Cartridge and
			Cleaning Felt” (page 7-2).
		Photoconductor / Drum damaged.	If marks repeat at regular 95mm intervals, the
			Photoconductor / Drum is damaged. Replace
			the Photoconductor / Drum, as described in the
			section “Replacing the Photoconductor /
			Drum” (page 7-6).
		Used Toner Cartridge from a	Install a new Toner Cartridge, as described in
		different printer installed.	the section “Replacing the Toner Cartridge
			and Cleaning Felt” (page 7-2).
Vertical lines.		Main corotron dirty.	Clean the main corotron, as described in the
			section “Cleaning the Corotron Wires”
			(page 7-10).
		Paper feed surfaces or guide dirty.	Inspect and clean the paper path, as described
			in the section “Cleaning the Paper Path”
			(page 7-9).
		Fusing unit dirty.	Replace the Cleaning Felt, as described in the
			section “Replacing the Toner Cartridge and
			Cleaning Felt” (page 7-2).
		Photoconductor / Drum damaged.	Replace the Photoconductor / Drum, as
			described in the section “Replacing the
			Photoconductor / Drum” (page 7-6).
			Table 6.2 Page 2 of 7

C h a p t e r 6 : T r o u b l e s h o o t i n g ❖ 6-9