Samsung ML-1430 manual Gray background, Vertical repetitive, Defects

Solving Print Quality Problems

Problem

Solution

Gray background	If the amount of background shading becomes unacceptable,
	the procedures below may fix the problem.

AaBbCc	• Change to a lighter weight pages. See “Paper
AaBbCc
	Specifications” on page A.2.
AaBbCc
	• Check the printer’s environment; very dry (low humidity)
AaBbCc
	or high humidity (higher than 80% RH) conditions can
AaBbCc
	increase the amount of background shading.
	• Install a new toner cartridge.
Toner smear	• Clean the inside of the printer. See “Cleaning the Inside” on
	page 6.4.
	• Check the paper type and quality. See “Paper Specifications”
	on page A.2.
	• Install a new toner cartridge.

Vertical repetitive		If marks repeatedly appear on the printed side of the page at
	defects	even intervals:
		• The toner cartridge may be damaged. If a repetitive mark
	AaBbCc	occurs on the page, print a cleaning sheet several times to
	AaBbCc	clean the cartridge (see page 6.5). After the printout, if
	AaBbCc	you still have the same problems, install a new toner
	AaBbCc	cartridge.
	AaBbCc	• Parts of the printer may have toner on them. If the defects
		occur on the back of the page, the problem will likely
		correct itself after a few more pages.
		• The fusing assembly may be damaged. Contact a service
		representative.

PROBLEM SOLVING 7.13