Xerox 4512N manual Cleaning Felt

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)
Vertical white stripes.		Corotron parts dirty.	Clean the main corotron and tranfer corotron,
			as described in the section “Cleaning the
			Corotron Wires” (page 7-10).
		Toner Cartridge defective.	Replace the Toner Cartridge, as described in
			the section “Replacing the Toner Cartridge
			and Cleaning Felt” (page 7-2).
		Fusing unit dirty.	Replace the Cleaning Felt, as described in the
			section “Replacing the Toner Cartridge and
			Cleaning Felt” (page 7-2).
		Photoconductor / Drum unevenly	Replace the Photoconductor / Drum, as
		worn.	described in the section “Replacing the
			Photoconductor / Drum” (page 7-6).
Repetitive defects		Print density set too high.	Turn the print density adjuster dial
including ghost images.			counterclockwise to decrease the toner density.
			Refer to “Printer Components” (page 1-3) to
			locate the print density adjuster.
		Fusing unit dirty.	Replace the Cleaning Felt, as described in the
			section “Replacing the Toner Cartridge and
			Cleaning Felt” (page 7-2).
		Toner low or unevenly distributed.	Carefully remove the Toner Cartridge and
			gently agitate it to distribute toner evenly.
		Photoconductor / Drum damaged.	Replace the Photoconductor / Drum, as
			described in the section “Replacing the
			Photoconductor / Drum” (page 7-6).
			Table 6.2 Page 3 of 7

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